remcos | 895417f8fd168a02d71365994d4e4500cdbf31af01be6ce8998fc38a342cac2e

General

Target

895417f8fd168a02d71365994d4e4500cdbf31af01be6ce8998fc38a342cac2e.exe
Size

568KB
MD5

91dd6ee8e62b032c8264b3b55e69eddb
SHA1

f2688c3f49fec062e9ad7a2dec3571cd668aa879
SHA256

895417f8fd168a02d71365994d4e4500cdbf31af01be6ce8998fc38a342cac2e
SHA512

194bb6a4314d9815851373b9559cc52b9d2712988d44e06db8ece1c9d45b98e41c15d51984e6ed4182adb17eedd278dd47cda9e42c01a3efc941fdfd0c3400e7
SSDEEP

12288:5T54bavS+gjBubIHBR5h2rZgS+0cWz198PCg7XwoCaz:5T54OK+A/Bl2rZEW59hg7X7Lz

Score

10^/10

remcos ready discovery execution persistence rat

Malware Config

Extracted

Family

remcos

Botnet

Ready

C2

freak4u.duckdns.org:22891

freak4u.duckdns.org:22892

hgbourst28lasor2.duckdns.org:22891

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
true
install_flag
false
keylog_crypt
false
keylog_file
lmzoiuts.dat
keylog_flag
false
keylog_path
%AppData%
mouse_option
false
mutex
alsmoritstf-T1OUDN
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\Soulx = "%Grundbegrebet% -windowstyle minimized $Sultens=(Get-ItemProperty -Path 'HKCU:\\Uncourtlike\\').Pepsin;%Grundbegrebet% ($Sultens)"	reg.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
3	drive.google.com
5	drive.google.com

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
2676	wab.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2840	Powershell.exe
2676	wab.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2840 set thread context of 2676	2840	Powershell.exe	33

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2840	Powershell.exe

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 5 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	895417f8fd168a02d71365994d4e4500cdbf31af01be6ce8998fc38a342cac2e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wab.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
2684	reg.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2840	Powershell.exe
2840	Powershell.exe
2840	Powershell.exe
2840	Powershell.exe
2840	Powershell.exe
2840	Powershell.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2840	Powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2840	Powershell.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 2840	2296	895417f8fd168a02d71365994d4e4500cdbf31af01be6ce8998fc38a342cac2e.exe	30
PID 2296 wrote to memory of 2840	2296	895417f8fd168a02d71365994d4e4500cdbf31af01be6ce8998fc38a342cac2e.exe	30
PID 2296 wrote to memory of 2840	2296	895417f8fd168a02d71365994d4e4500cdbf31af01be6ce8998fc38a342cac2e.exe	30
PID 2296 wrote to memory of 2840	2296	895417f8fd168a02d71365994d4e4500cdbf31af01be6ce8998fc38a342cac2e.exe	30
PID 2840 wrote to memory of 2676	2840	Powershell.exe	33
PID 2840 wrote to memory of 2676	2840	Powershell.exe	33
PID 2840 wrote to memory of 2676	2840	Powershell.exe	33
PID 2840 wrote to memory of 2676	2840	Powershell.exe	33
PID 2840 wrote to memory of 2676	2840	Powershell.exe	33
PID 2840 wrote to memory of 2676	2840	Powershell.exe	33
PID 2676 wrote to memory of 2700	2676	wab.exe	34
PID 2676 wrote to memory of 2700	2676	wab.exe	34
PID 2676 wrote to memory of 2700	2676	wab.exe	34
PID 2676 wrote to memory of 2700	2676	wab.exe	34
PID 2700 wrote to memory of 2684	2700	cmd.exe	36
PID 2700 wrote to memory of 2684	2700	cmd.exe	36
PID 2700 wrote to memory of 2684	2700	cmd.exe	36
PID 2700 wrote to memory of 2684	2700	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\895417f8fd168a02d71365994d4e4500cdbf31af01be6ce8998fc38a342cac2e.exe
"C:\Users\Admin\AppData\Local\Temp\895417f8fd168a02d71365994d4e4500cdbf31af01be6ce8998fc38a342cac2e.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2296
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
  "Powershell.exe" -windowstyle minimized "$Granulocyte = Get-Content 'C:\Users\Admin\AppData\Local\Temp\celleslim\farve\pitiableness\Forstbotanikkerne.mul' ; $Bratsch=$Granulocyte.SubString(74923,3);.$Bratsch($Granulocyte) "
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of SetThreadContext
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2840
- - C:\Program Files (x86)\windows mail\wab.exe
    "C:\Program Files (x86)\windows mail\wab.exe"
    3⤵
    - Suspicious use of NtCreateThreadExHideFromDebugger
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2676
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v "Soulx" /t REG_EXPAND_SZ /d "%Grundbegrebet% -windowstyle minimized $Sultens=(Get-ItemProperty -Path 'HKCU:\Uncourtlike\').Pepsin;%Grundbegrebet% ($Sultens)"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2700
    - - C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v "Soulx" /t REG_EXPAND_SZ /d "%Grundbegrebet% -windowstyle minimized $Sultens=(Get-ItemProperty -Path 'HKCU:\Uncourtlike\').Pepsin;%Grundbegrebet% ($Sultens)"
        5⤵
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Modifies registry key
        
        PID:2684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\celleslim\farve\pitiableness\Forstbotanikkerne.mul

Filesize
73KB

MD5
78eec866c6ffb79951d549e336dda7b9

SHA1
3b5a94808ff418990e482da13631af8efde0c29a

SHA256
eb97322a17dd92ff745c9333d9c04b5ccbfada8eeef148bc12620d29b8050112

SHA512
86308cd86bd9459f371fc30b62daaa0e29c2b98a1f18a7dfbe36752d6c33b8c92b433e90fd194ad1b35bfa7b6dff7e39df7819e05237d19dc573024974daca23

Download Submit
C:\Users\Admin\AppData\Local\Temp\celleslim\farve\pitiableness\Loxodromics.Det

Filesize
473KB

MD5
97a069e9227d6f5b5f7fbf44b09b27b4

SHA1
7c280441cd871bfbe870630e58a8332a38052c4f

SHA256
a96b25412afd0081ca2697e0e62bb6074a132f9078a93b770ffeb6492559d68e

SHA512
941cbae11f5d28beff3e281305521c070babd2b688e4d37298008232887b7152e063097783f4604392f3cb9981f16646e94865ef3ad9dd2303e2e1b9d52a0603

Download Submit
memory/2676-44-0x00000000007F0000-0x0000000001852000-memory.dmp

Filesize
16.4MB

Download
memory/2676-45-0x00000000007F0000-0x0000000001852000-memory.dmp

Filesize
16.4MB

Download
memory/2676-50-0x00000000007F0000-0x0000000001852000-memory.dmp

Filesize
16.4MB

Download
memory/2840-14-0x00000000739A1000-0x00000000739A2000-memory.dmp

Filesize
4KB

Download
memory/2840-16-0x00000000739A0000-0x0000000073F4B000-memory.dmp

Filesize
5.7MB

Download
memory/2840-15-0x00000000739A0000-0x0000000073F4B000-memory.dmp

Filesize
5.7MB

Download
memory/2840-18-0x00000000739A0000-0x0000000073F4B000-memory.dmp

Filesize
5.7MB

Download
memory/2840-21-0x00000000739A0000-0x0000000073F4B000-memory.dmp

Filesize
5.7MB

Download
memory/2840-20-0x0000000006980000-0x00000000094D2000-memory.dmp

Filesize
43.3MB

Download
memory/2840-22-0x00000000739A0000-0x0000000073F4B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads