Analysis
- max time kernel
149s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20250610-en - resource tags
arch:x64arch:x86image:win10v2004-20250610-enlocale:en-usos:windows10-2004-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 4696 powershell.exe 412 powershell.exe - Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-815616237-4012932787-4224613991-1000\Control Panel\International\Geo\Nation b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe Key value queried \REGISTRY\USER\S-1-5-21-815616237-4012932787-4224613991-1000\Control Panel\International\Geo\Nation b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe Key value queried \REGISTRY\USER\S-1-5-21-815616237-4012932787-4224613991-1000\Control Panel\International\Geo\Nation remcos.exe - Executes dropped EXE 3 IoCs
pid Process 4268 remcos.exe 4840 remcos.exe 1824 remcos.exe - Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-815616237-4012932787-4224613991-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-RWPRD5 = "\"C:\\ProgramData\\Remcos\\remcos.exe\"" b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 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-1-5-21-815616237-4012932787-4224613991-1000\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 - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3204 set thread context of 4760 3204 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 95 PID 4268 set thread context of 1824 4268 remcos.exe 106 - 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 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language remcos.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 powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.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 - 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 4392 schtasks.exe 3180 schtasks.exe - Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 3204 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 3204 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 4696 powershell.exe 4696 powershell.exe 4268 remcos.exe 412 powershell.exe 4268 remcos.exe 412 powershell.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3204 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe Token: SeDebugPrivilege 4696 powershell.exe Token: SeDebugPrivilege 4268 remcos.exe Token: SeDebugPrivilege 412 powershell.exe - Suspicious use of WriteProcessMemory 38 IoCs
description pid Process procid_target PID 3204 wrote to memory of 4696 3204 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 91 PID 3204 wrote to memory of 4696 3204 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 91 PID 3204 wrote to memory of 4696 3204 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 91 PID 3204 wrote to memory of 4392 3204 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 93 PID 3204 wrote to memory of 4392 3204 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 93 PID 3204 wrote to memory of 4392 3204 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 93 PID 3204 wrote to memory of 4760 3204 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 95 PID 3204 wrote to memory of 4760 3204 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 95 PID 3204 wrote to memory of 4760 3204 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 95 PID 3204 wrote to memory of 4760 3204 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 95 PID 3204 wrote to memory of 4760 3204 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 95 PID 3204 wrote to memory of 4760 3204 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 95 PID 3204 wrote to memory of 4760 3204 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 95 PID 3204 wrote to memory of 4760 3204 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 95 PID 3204 wrote to memory of 4760 3204 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 95 PID 3204 wrote to memory of 4760 3204 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 95 PID 4760 wrote to memory of 4268 4760 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 98 PID 4760 wrote to memory of 4268 4760 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 98 PID 4760 wrote to memory of 4268 4760 b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe 98 PID 5428 wrote to memory of 4840 5428 cmd.exe 99 PID 5428 wrote to memory of 4840 5428 cmd.exe 99 PID 5428 wrote to memory of 4840 5428 cmd.exe 99 PID 4268 wrote to memory of 412 4268 remcos.exe 102 PID 4268 wrote to memory of 412 4268 remcos.exe 102 PID 4268 wrote to memory of 412 4268 remcos.exe 102 PID 4268 wrote to memory of 3180 4268 remcos.exe 104 PID 4268 wrote to memory of 3180 4268 remcos.exe 104 PID 4268 wrote to memory of 3180 4268 remcos.exe 104 PID 4268 wrote to memory of 1824 4268 remcos.exe 106 PID 4268 wrote to memory of 1824 4268 remcos.exe 106 PID 4268 wrote to memory of 1824 4268 remcos.exe 106 PID 4268 wrote to memory of 1824 4268 remcos.exe 106 PID 4268 wrote to memory of 1824 4268 remcos.exe 106 PID 4268 wrote to memory of 1824 4268 remcos.exe 106 PID 4268 wrote to memory of 1824 4268 remcos.exe 106 PID 4268 wrote to memory of 1824 4268 remcos.exe 106 PID 4268 wrote to memory of 1824 4268 remcos.exe 106 PID 4268 wrote to memory of 1824 4268 remcos.exe 106
Processes
-
C:\Users\Admin\AppData\Local\Temp\b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe"C:\Users\Admin\AppData\Local\Temp\b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3204 -
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:4696
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OJXXJkGJNkvdB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFE84.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4392
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-
C:\Users\Admin\AppData\Local\Temp\b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe"C:\Users\Admin\AppData\Local\Temp\b32da4c31255e2f5dcf961e35e1757aca22f0c39cf80b3fac1d2a8aa734ae167.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4760 -
C:\ProgramData\Remcos\remcos.exe"C:\ProgramData\Remcos\remcos.exe"3⤵
- Checks computer location settings
- 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:4268 -
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"4⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:412
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-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OJXXJkGJNkvdB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp47C2.tmp"4⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3180
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-
C:\ProgramData\Remcos\remcos.exe"C:\ProgramData\Remcos\remcos.exe"4⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:1824
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-
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\ProgramData\Remcos\remcos.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:5428 -
C:\ProgramData\Remcos\remcos.exeC:\ProgramData\Remcos\remcos.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4840
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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 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
- MD5 968cb9309758126772781b83adb8a28f
- SHA1 8da30e71accf186b2ba11da1797cf67f8f78b47c
- SHA512 4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\remcos.exe.log
- Size 1KB
- SHA256 0f995d44f947f2cdf6b96bfcd5c93fddd90f3d3179f47b211f9090468f64dba5
- MD5 bffe8c1baae8287fce70feee8dca485b
- SHA1 56f80ea800cc1c0d39e429f556cc2602d09c5835
- SHA512 bc9b92c0cf60877310891fd28eef194b3e0176489dd0449f5b32b4506b5bec9c14bdaec1360534afc8ff8b57977cab1582ab7d51fe8962974bf4171a4e64ad97
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 18KB
- SHA256 58b5cfb3c57350d7f89f3856d86dda660e3b2e0ade5cff864c8a3d94740fbbe4
- MD5 d5e9cd477844442a1d36adf409cff2d8
- SHA1 5e51bed375af6966c24dd9ff196974b4bb5a483d
- SHA512 fe49818e20512db6c18d0369e3f035d53839ed14f2cd0865d613363768ec24eeb8931c7a3bac091852dbabe80cb5566f7e52a0e3ac7bc245977056e877360b01
- SSDEEP 384:ksf+B19i+jbTc6IdBizVPgVo9o2TVK6seYLME/J03SoZ+fYSgIjEDk+Q0gdUtkKF:RfqbI7oS2o2TVNgrSSZWWEDzCO3
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1i5ula5r.hb5.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\tmpFE84.tmp
- Size 1KB
- SHA256 aaf98186eb972cacd9b5941d7a808be010cc0a0af8b4ff8b6a7fe9d28b915938
- MD5 9dd57d0ce90f617335ef3d7bd819a3b5
- SHA1 0dfce3381f6b4b7bb0b9f537fa9bea86b95074d8
- SHA512 ccb1c55037880177778d5ce4e170a1e77a33c83b01bd8c11dcc9b95754052a01588ce98acf261238200cc05c34e17a5688c692d2dc64a802c9e1f18008de611e
- MD5 SHA1 SHA512