remcos | 992ff2cda226636077c32a5481799a950354f4a647bc6a5266cd8b1820902621

General

Target

187e55965acaf3a1b7d4af227b8a97f8.exe
Size

1.2MB
MD5

187e55965acaf3a1b7d4af227b8a97f8
SHA1

c1a0f081459ba0595aa85a5c14998a853aede3f5
SHA256

992ff2cda226636077c32a5481799a950354f4a647bc6a5266cd8b1820902621
SHA512

5be926becd069650db79138c6ae7f279193bf17d9e319c5f365d67707a81ae32753c7284ce1a50528e91456b1b4663a59cd3661221a591408f2ec88d6c999fbb

Score

10^/10

remcos persistence rat

Malware Config

Extracted

Family

remcos

C2

wedsazxcvfghyuiokjhbnvfcdsaweyplmhbvrtud.ydns.eu:1996

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Executes dropped EXE 2 IoCs

Processes:

win.exewin.exe

pid process

960 win.exe
1004 win.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

1164 cmd.exe

pid	process
960	win.exe
1004	win.exe

pid	process
1164	cmd.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

187e55965acaf3a1b7d4af227b8a97f8.exewin.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\	187e55965acaf3a1b7d4af227b8a97f8.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\win = "\"C:\\Users\\Admin\\AppData\\Roaming\\win.exe\""	187e55965acaf3a1b7d4af227b8a97f8.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\	win.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\win = "\"C:\\Users\\Admin\\AppData\\Roaming\\win.exe\""	win.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

187e55965acaf3a1b7d4af227b8a97f8.exewin.exe

description	pid	process	target process
PID 1208 set thread context of 1528	1208	187e55965acaf3a1b7d4af227b8a97f8.exe	187e55965acaf3a1b7d4af227b8a97f8.exe
PID 960 set thread context of 1004	960	win.exe	win.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

187e55965acaf3a1b7d4af227b8a97f8.exe

pid	process
1208	187e55965acaf3a1b7d4af227b8a97f8.exe
1208	187e55965acaf3a1b7d4af227b8a97f8.exe
1208	187e55965acaf3a1b7d4af227b8a97f8.exe
1208	187e55965acaf3a1b7d4af227b8a97f8.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

187e55965acaf3a1b7d4af227b8a97f8.exe

description pid process

Token: SeDebugPrivilege 1208 187e55965acaf3a1b7d4af227b8a97f8.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

win.exe

pid process

1004 win.exe

description	pid	process
Token: SeDebugPrivilege	1208	187e55965acaf3a1b7d4af227b8a97f8.exe

pid	process
1004	win.exe

Suspicious use of WriteProcessMemory 42 IoCs

Processes:

187e55965acaf3a1b7d4af227b8a97f8.exe187e55965acaf3a1b7d4af227b8a97f8.exeWScript.execmd.exewin.exe

description	pid	process	target process
PID 1208 wrote to memory of 1624	1208	187e55965acaf3a1b7d4af227b8a97f8.exe	187e55965acaf3a1b7d4af227b8a97f8.exe
PID 1208 wrote to memory of 1624	1208	187e55965acaf3a1b7d4af227b8a97f8.exe	187e55965acaf3a1b7d4af227b8a97f8.exe
PID 1208 wrote to memory of 1624	1208	187e55965acaf3a1b7d4af227b8a97f8.exe	187e55965acaf3a1b7d4af227b8a97f8.exe
PID 1208 wrote to memory of 1624	1208	187e55965acaf3a1b7d4af227b8a97f8.exe	187e55965acaf3a1b7d4af227b8a97f8.exe
PID 1208 wrote to memory of 1596	1208	187e55965acaf3a1b7d4af227b8a97f8.exe	187e55965acaf3a1b7d4af227b8a97f8.exe
PID 1208 wrote to memory of 1596	1208	187e55965acaf3a1b7d4af227b8a97f8.exe	187e55965acaf3a1b7d4af227b8a97f8.exe
PID 1208 wrote to memory of 1596	1208	187e55965acaf3a1b7d4af227b8a97f8.exe	187e55965acaf3a1b7d4af227b8a97f8.exe
PID 1208 wrote to memory of 1596	1208	187e55965acaf3a1b7d4af227b8a97f8.exe	187e55965acaf3a1b7d4af227b8a97f8.exe
PID 1208 wrote to memory of 1528	1208	187e55965acaf3a1b7d4af227b8a97f8.exe	187e55965acaf3a1b7d4af227b8a97f8.exe
PID 1208 wrote to memory of 1528	1208	187e55965acaf3a1b7d4af227b8a97f8.exe	187e55965acaf3a1b7d4af227b8a97f8.exe
PID 1208 wrote to memory of 1528	1208	187e55965acaf3a1b7d4af227b8a97f8.exe	187e55965acaf3a1b7d4af227b8a97f8.exe
PID 1208 wrote to memory of 1528	1208	187e55965acaf3a1b7d4af227b8a97f8.exe	187e55965acaf3a1b7d4af227b8a97f8.exe
PID 1208 wrote to memory of 1528	1208	187e55965acaf3a1b7d4af227b8a97f8.exe	187e55965acaf3a1b7d4af227b8a97f8.exe
PID 1208 wrote to memory of 1528	1208	187e55965acaf3a1b7d4af227b8a97f8.exe	187e55965acaf3a1b7d4af227b8a97f8.exe
PID 1208 wrote to memory of 1528	1208	187e55965acaf3a1b7d4af227b8a97f8.exe	187e55965acaf3a1b7d4af227b8a97f8.exe
PID 1208 wrote to memory of 1528	1208	187e55965acaf3a1b7d4af227b8a97f8.exe	187e55965acaf3a1b7d4af227b8a97f8.exe
PID 1208 wrote to memory of 1528	1208	187e55965acaf3a1b7d4af227b8a97f8.exe	187e55965acaf3a1b7d4af227b8a97f8.exe
PID 1208 wrote to memory of 1528	1208	187e55965acaf3a1b7d4af227b8a97f8.exe	187e55965acaf3a1b7d4af227b8a97f8.exe
PID 1208 wrote to memory of 1528	1208	187e55965acaf3a1b7d4af227b8a97f8.exe	187e55965acaf3a1b7d4af227b8a97f8.exe
PID 1528 wrote to memory of 1804	1528	187e55965acaf3a1b7d4af227b8a97f8.exe	WScript.exe
PID 1528 wrote to memory of 1804	1528	187e55965acaf3a1b7d4af227b8a97f8.exe	WScript.exe
PID 1528 wrote to memory of 1804	1528	187e55965acaf3a1b7d4af227b8a97f8.exe	WScript.exe
PID 1528 wrote to memory of 1804	1528	187e55965acaf3a1b7d4af227b8a97f8.exe	WScript.exe
PID 1804 wrote to memory of 1164	1804	WScript.exe	cmd.exe
PID 1804 wrote to memory of 1164	1804	WScript.exe	cmd.exe
PID 1804 wrote to memory of 1164	1804	WScript.exe	cmd.exe
PID 1804 wrote to memory of 1164	1804	WScript.exe	cmd.exe
PID 1164 wrote to memory of 960	1164	cmd.exe	win.exe
PID 1164 wrote to memory of 960	1164	cmd.exe	win.exe
PID 1164 wrote to memory of 960	1164	cmd.exe	win.exe
PID 1164 wrote to memory of 960	1164	cmd.exe	win.exe
PID 960 wrote to memory of 1004	960	win.exe	win.exe
PID 960 wrote to memory of 1004	960	win.exe	win.exe
PID 960 wrote to memory of 1004	960	win.exe	win.exe
PID 960 wrote to memory of 1004	960	win.exe	win.exe
PID 960 wrote to memory of 1004	960	win.exe	win.exe
PID 960 wrote to memory of 1004	960	win.exe	win.exe
PID 960 wrote to memory of 1004	960	win.exe	win.exe
PID 960 wrote to memory of 1004	960	win.exe	win.exe
PID 960 wrote to memory of 1004	960	win.exe	win.exe
PID 960 wrote to memory of 1004	960	win.exe	win.exe
PID 960 wrote to memory of 1004	960	win.exe	win.exe

C:\Users\Admin\AppData\Local\Temp\187e55965acaf3a1b7d4af227b8a97f8.exe
"C:\Users\Admin\AppData\Local\Temp\187e55965acaf3a1b7d4af227b8a97f8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1208

C:\Users\Admin\AppData\Local\Temp\187e55965acaf3a1b7d4af227b8a97f8.exe
"C:\Users\Admin\AppData\Local\Temp\187e55965acaf3a1b7d4af227b8a97f8.exe"
2⤵
PID:1624

C:\Users\Admin\AppData\Local\Temp\187e55965acaf3a1b7d4af227b8a97f8.exe
"C:\Users\Admin\AppData\Local\Temp\187e55965acaf3a1b7d4af227b8a97f8.exe"
2⤵
PID:1596

C:\Users\Admin\AppData\Local\Temp\187e55965acaf3a1b7d4af227b8a97f8.exe
"C:\Users\Admin\AppData\Local\Temp\187e55965acaf3a1b7d4af227b8a97f8.exe"
2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1528

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"
3⤵
- Suspicious use of WriteProcessMemory
PID:1804

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\win.exe"
4⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1164

C:\Users\Admin\AppData\Roaming\win.exe
C:\Users\Admin\AppData\Roaming\win.exe
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:960

C:\Users\Admin\AppData\Roaming\win.exe
"C:\Users\Admin\AppData\Roaming\win.exe"
6⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
PID:1004

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\install.vbs
MD5
4a74e626596d6e66b4bbc59ee6848f2d

SHA1
047849ac8735ecc0943428c7cd5e00b52eee06ed

SHA256
98bd6dc219a7a3e04d3d67bbec9f0b4d4640831a3a6be0a0078b050041088b0e

SHA512
1cd943482d0f1ce2ffaf6ee4a82895e4d57c52051bb14bbda0548cf072b4c5cbe719d2cdb549b5ae7c0241dd9c68dd9d1674acd26aed684b8145500079cc5403

Download Submit
C:\Users\Admin\AppData\Roaming\win.exe
MD5
187e55965acaf3a1b7d4af227b8a97f8

SHA1
c1a0f081459ba0595aa85a5c14998a853aede3f5

SHA256
992ff2cda226636077c32a5481799a950354f4a647bc6a5266cd8b1820902621

SHA512
5be926becd069650db79138c6ae7f279193bf17d9e319c5f365d67707a81ae32753c7284ce1a50528e91456b1b4663a59cd3661221a591408f2ec88d6c999fbb

Download Submit
C:\Users\Admin\AppData\Roaming\win.exe
MD5
187e55965acaf3a1b7d4af227b8a97f8

SHA1
c1a0f081459ba0595aa85a5c14998a853aede3f5

SHA256
992ff2cda226636077c32a5481799a950354f4a647bc6a5266cd8b1820902621

SHA512
5be926becd069650db79138c6ae7f279193bf17d9e319c5f365d67707a81ae32753c7284ce1a50528e91456b1b4663a59cd3661221a591408f2ec88d6c999fbb

Download Submit
C:\Users\Admin\AppData\Roaming\win.exe
MD5
187e55965acaf3a1b7d4af227b8a97f8

SHA1
c1a0f081459ba0595aa85a5c14998a853aede3f5

SHA256
992ff2cda226636077c32a5481799a950354f4a647bc6a5266cd8b1820902621

SHA512
5be926becd069650db79138c6ae7f279193bf17d9e319c5f365d67707a81ae32753c7284ce1a50528e91456b1b4663a59cd3661221a591408f2ec88d6c999fbb

Download Submit
\Users\Admin\AppData\Roaming\win.exe
MD5
187e55965acaf3a1b7d4af227b8a97f8

SHA1
c1a0f081459ba0595aa85a5c14998a853aede3f5

SHA256
992ff2cda226636077c32a5481799a950354f4a647bc6a5266cd8b1820902621

SHA512
5be926becd069650db79138c6ae7f279193bf17d9e319c5f365d67707a81ae32753c7284ce1a50528e91456b1b4663a59cd3661221a591408f2ec88d6c999fbb

Download Submit
memory/960-74-0x0000000000000000-mapping.dmp

Download
memory/960-76-0x00000000011B0000-0x00000000011B1000-memory.dmp

Filesize
4KB

Download
memory/960-79-0x0000000005030000-0x0000000005031000-memory.dmp

Filesize
4KB

Download
memory/1004-84-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1004-81-0x0000000000413FA4-mapping.dmp

Download
memory/1164-71-0x0000000000000000-mapping.dmp

Download
memory/1208-60-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/1208-63-0x0000000004B60000-0x0000000004B61000-memory.dmp

Filesize
4KB

Download
memory/1208-62-0x0000000000460000-0x000000000048B000-memory.dmp

Filesize
172KB

Download
memory/1528-64-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1528-65-0x0000000000413FA4-mapping.dmp

Download
memory/1528-67-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1528-66-0x0000000075561000-0x0000000075563000-memory.dmp

Filesize
8KB

Download
memory/1804-68-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads