Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20250502-en - resource tags
arch:x64arch:x86image:win11-20250502-enlocale:en-usos:windows11-21h2-x64system - submitted
12/08/2025, 17:01
Static task
static1
Behavioral task
behavioral1
Sample
b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe
Resource
win10v2004-20250610-en
Behavioral task
behavioral2
Sample
b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe
Resource
win11-20250502-en
General
- Target b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe
- Size 1.0MB
- Sample250812-vj22waspx4
- SHA256 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167
- MD5 c782c47798d131d9bcdde8d04b48ec4d
- SHA1 fa46f037e61ba618317d5a43d790906ccacc7195
- SHA512 9c4db1db2a529f0990dd90160ab0874e9f8de993cb3fe93f5640492371cef3fc8aef82f861b66daa122c22c612827eb0efdbf0d3ecf7ab6897ecfc60886a5cbe
- SSDEEP 24576:cx40ZLVqmBmhxSr79IWbNXrFY7tsAKZNQHCiz+Z5Jdog:cxvZxq2m+r79hZFesAKrQHBGDdT
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
remcos
-
7.0.1 Pro
-
172.94.96.90:5999
Signatures
- Remcos family
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2916 powershell.exe 3168 powershell.exe - Executes dropped EXE 3 IoCs
pid Process 4864 remcos.exe 884 remcos.exe 3948 remcos.exe - Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-RWPRD5 = "\"C:\\ProgramData\\Remcos\\remcos.exe\"" b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe Set value (str) \REGISTRY\USER\S-1-5-21-330179853-1108322181-418488014-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rmc-RWPRD5 = "\"C:\\ProgramData\\Remcos\\remcos.exe\"" remcos.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-RWPRD5 = "\"C:\\ProgramData\\Remcos\\remcos.exe\"" remcos.exe Set value (str) \REGISTRY\USER\S-1-5-21-330179853-1108322181-418488014-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rmc-RWPRD5 = "\"C:\\ProgramData\\Remcos\\remcos.exe\"" b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 5148 set thread context of 4784 5148 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 82 PID 884 set thread context of 3948 884 remcos.exe 91 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 9 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language remcos.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language remcos.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language remcos.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1468 schtasks.exe 5000 schtasks.exe - Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 5148 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 5148 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 2916 powershell.exe 2916 powershell.exe 884 remcos.exe 884 remcos.exe 3168 powershell.exe 3168 powershell.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5148 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe Token: SeDebugPrivilege 2916 powershell.exe Token: SeDebugPrivilege 884 remcos.exe Token: SeDebugPrivilege 3168 powershell.exe - Suspicious use of WriteProcessMemory 38 IoCs
description pid Process procid_target PID 5148 wrote to memory of 2916 5148 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 78 PID 5148 wrote to memory of 2916 5148 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 78 PID 5148 wrote to memory of 2916 5148 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 78 PID 5148 wrote to memory of 1468 5148 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 80 PID 5148 wrote to memory of 1468 5148 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 80 PID 5148 wrote to memory of 1468 5148 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 80 PID 5148 wrote to memory of 4784 5148 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 82 PID 5148 wrote to memory of 4784 5148 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 82 PID 5148 wrote to memory of 4784 5148 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 82 PID 5148 wrote to memory of 4784 5148 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 82 PID 5148 wrote to memory of 4784 5148 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 82 PID 5148 wrote to memory of 4784 5148 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 82 PID 5148 wrote to memory of 4784 5148 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 82 PID 5148 wrote to memory of 4784 5148 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 82 PID 5148 wrote to memory of 4784 5148 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 82 PID 5148 wrote to memory of 4784 5148 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 82 PID 4784 wrote to memory of 4864 4784 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 85 PID 4784 wrote to memory of 4864 4784 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 85 PID 4784 wrote to memory of 4864 4784 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 85 PID 3064 wrote to memory of 884 3064 cmd.exe 86 PID 3064 wrote to memory of 884 3064 cmd.exe 86 PID 3064 wrote to memory of 884 3064 cmd.exe 86 PID 884 wrote to memory of 3168 884 remcos.exe 87 PID 884 wrote to memory of 3168 884 remcos.exe 87 PID 884 wrote to memory of 3168 884 remcos.exe 87 PID 884 wrote to memory of 5000 884 remcos.exe 89 PID 884 wrote to memory of 5000 884 remcos.exe 89 PID 884 wrote to memory of 5000 884 remcos.exe 89 PID 884 wrote to memory of 3948 884 remcos.exe 91 PID 884 wrote to memory of 3948 884 remcos.exe 91 PID 884 wrote to memory of 3948 884 remcos.exe 91 PID 884 wrote to memory of 3948 884 remcos.exe 91 PID 884 wrote to memory of 3948 884 remcos.exe 91 PID 884 wrote to memory of 3948 884 remcos.exe 91 PID 884 wrote to memory of 3948 884 remcos.exe 91 PID 884 wrote to memory of 3948 884 remcos.exe 91 PID 884 wrote to memory of 3948 884 remcos.exe 91 PID 884 wrote to memory of 3948 884 remcos.exe 91
Processes
-
C:\Users\Admin\AppData\Local\Temp\b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe"C:\Users\Admin\AppData\Local\Temp\b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5148 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OJXXJkGJNkvdB.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2916
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OJXXJkGJNkvdB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC6BB.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1468
-
-
C:\Users\Admin\AppData\Local\Temp\b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe"C:\Users\Admin\AppData\Local\Temp\b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4784 -
C:\ProgramData\Remcos\remcos.exe"C:\ProgramData\Remcos\remcos.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4864
-
-
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\ProgramData\Remcos\remcos.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3064 -
C:\ProgramData\Remcos\remcos.exeC:\ProgramData\Remcos\remcos.exe2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:884 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OJXXJkGJNkvdB.exe"3⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3168
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OJXXJkGJNkvdB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFF9.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:5000
-
-
C:\ProgramData\Remcos\remcos.exe"C:\ProgramData\Remcos\remcos.exe"3⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:3948
-
-
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\ProgramData\Remcos\remcos.exe
- Size 1.0MB
- SHA256 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167
- MD5 c782c47798d131d9bcdde8d04b48ec4d
- SHA1 fa46f037e61ba618317d5a43d790906ccacc7195
- SHA512 9c4db1db2a529f0990dd90160ab0874e9f8de993cb3fe93f5640492371cef3fc8aef82f861b66daa122c22c612827eb0efdbf0d3ecf7ab6897ecfc60886a5cbe
- SSDEEP 24576:cx40ZLVqmBmhxSr79IWbNXrFY7tsAKZNQHCiz+Z5Jdog:cxvZxq2m+r79hZFesAKrQHBGDdT
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
- Size 2KB
- SHA256 e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
- MD5 ac4917a885cf6050b1a483e4bc4d2ea5
- SHA1 b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
- SHA512 092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\remcos.exe.log
- Size 1KB
- SHA256 929bf372a52cdd4a9078e76b856f007273c739706372688c80ac073358f945c3
- MD5 04d419b959cdb805934a176890deb896
- SHA1 18bbeeb4fd04bcdca58176dbae0d1ccd5fbc6618
- SHA512 cb9c2f2dc3b8ebdf1b492c2f460f9056f02eaa5553e0ca1734759276aeea8f0edc8ef207265db7ddac193ac4b9dfaef55831fef6224638e397b352998979d0d0
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 18KB
- SHA256 cef18ac4fc3103e4a75f68dc62577e29b4a448fa5b6863c85da5b68fd24e3602
- MD5 61686e3736c2ba1dbd6785e705f99764
- SHA1 fd46b3801ea3ddd72da4fb422dd5a19d8533c714
- SHA512 b085d7db4a64290933c1c9a3f816cdb4716f9909a37342113b41bf0d187cfea9d823b5fde33c248e0f75c0d72bfded11a82f3c0d055de2eb411c6100be654f55
- SSDEEP 384:aTHhRSS1julQPRcaMEhHnnNPjs2xtgHNTiI5949E0X0iFzBX:ASSxu6PRKElNPj7xtgtTia49E0X0yt
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_p1gx5dfi.zyw.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\tmpC6BB.tmp
- Size 1KB
- SHA256 f92f5f9c4b9b9a46e262c108a1a5e222e765d9cf66694823e0d7cce264954327
- MD5 2a58cee899d62aa45107e7cdd62dd0bd
- SHA1 77db42142435cfd6b3eeaab68417fa0bff751d5d
- SHA512 8c32e31905ae2f31e6cfd78b857756b49c13ae724a4b0bfb40bb2ae8cbc48155c0dbafe7a8a6fc657d44d1566bc3eb3b5a70ad031d23e1dce74856e28515ae06
- MD5 SHA1 SHA512