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

1172 win.exe
1072 win.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

960 cmd.exe

pid	process
1172	win.exe
1072	win.exe

pid	process
960	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 1048 set thread context of 1500	1048	187e55965acaf3a1b7d4af227b8a97f8.exe	187e55965acaf3a1b7d4af227b8a97f8.exe
PID 1172 set thread context of 1072	1172	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 use of SetWindowsHookEx 1 IoCs

Processes:

win.exe

pid process

1072 win.exe

pid	process
1072	win.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

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

description	pid	process	target process
PID 1048 wrote to memory of 1500	1048	187e55965acaf3a1b7d4af227b8a97f8.exe	187e55965acaf3a1b7d4af227b8a97f8.exe
PID 1048 wrote to memory of 1500	1048	187e55965acaf3a1b7d4af227b8a97f8.exe	187e55965acaf3a1b7d4af227b8a97f8.exe
PID 1048 wrote to memory of 1500	1048	187e55965acaf3a1b7d4af227b8a97f8.exe	187e55965acaf3a1b7d4af227b8a97f8.exe
PID 1048 wrote to memory of 1500	1048	187e55965acaf3a1b7d4af227b8a97f8.exe	187e55965acaf3a1b7d4af227b8a97f8.exe
PID 1048 wrote to memory of 1500	1048	187e55965acaf3a1b7d4af227b8a97f8.exe	187e55965acaf3a1b7d4af227b8a97f8.exe
PID 1048 wrote to memory of 1500	1048	187e55965acaf3a1b7d4af227b8a97f8.exe	187e55965acaf3a1b7d4af227b8a97f8.exe
PID 1048 wrote to memory of 1500	1048	187e55965acaf3a1b7d4af227b8a97f8.exe	187e55965acaf3a1b7d4af227b8a97f8.exe
PID 1048 wrote to memory of 1500	1048	187e55965acaf3a1b7d4af227b8a97f8.exe	187e55965acaf3a1b7d4af227b8a97f8.exe
PID 1048 wrote to memory of 1500	1048	187e55965acaf3a1b7d4af227b8a97f8.exe	187e55965acaf3a1b7d4af227b8a97f8.exe
PID 1048 wrote to memory of 1500	1048	187e55965acaf3a1b7d4af227b8a97f8.exe	187e55965acaf3a1b7d4af227b8a97f8.exe
PID 1048 wrote to memory of 1500	1048	187e55965acaf3a1b7d4af227b8a97f8.exe	187e55965acaf3a1b7d4af227b8a97f8.exe
PID 1500 wrote to memory of 752	1500	187e55965acaf3a1b7d4af227b8a97f8.exe	WScript.exe
PID 1500 wrote to memory of 752	1500	187e55965acaf3a1b7d4af227b8a97f8.exe	WScript.exe
PID 1500 wrote to memory of 752	1500	187e55965acaf3a1b7d4af227b8a97f8.exe	WScript.exe
PID 1500 wrote to memory of 752	1500	187e55965acaf3a1b7d4af227b8a97f8.exe	WScript.exe
PID 752 wrote to memory of 960	752	WScript.exe	cmd.exe
PID 752 wrote to memory of 960	752	WScript.exe	cmd.exe
PID 752 wrote to memory of 960	752	WScript.exe	cmd.exe
PID 752 wrote to memory of 960	752	WScript.exe	cmd.exe
PID 960 wrote to memory of 1172	960	cmd.exe	win.exe
PID 960 wrote to memory of 1172	960	cmd.exe	win.exe
PID 960 wrote to memory of 1172	960	cmd.exe	win.exe
PID 960 wrote to memory of 1172	960	cmd.exe	win.exe
PID 1172 wrote to memory of 1072	1172	win.exe	win.exe
PID 1172 wrote to memory of 1072	1172	win.exe	win.exe
PID 1172 wrote to memory of 1072	1172	win.exe	win.exe
PID 1172 wrote to memory of 1072	1172	win.exe	win.exe
PID 1172 wrote to memory of 1072	1172	win.exe	win.exe
PID 1172 wrote to memory of 1072	1172	win.exe	win.exe
PID 1172 wrote to memory of 1072	1172	win.exe	win.exe
PID 1172 wrote to memory of 1072	1172	win.exe	win.exe
PID 1172 wrote to memory of 1072	1172	win.exe	win.exe
PID 1172 wrote to memory of 1072	1172	win.exe	win.exe
PID 1172 wrote to memory of 1072	1172	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 use of WriteProcessMemory
PID:1048

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:1500

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"
3⤵
- Suspicious use of WriteProcessMemory
PID:752

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:960

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:1172

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:1072

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

Replay Monitor

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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/752-66-0x0000000000000000-mapping.dmp

Download
memory/960-70-0x0000000000000000-mapping.dmp

Download
memory/1048-59-0x00000000008E0000-0x00000000008E1000-memory.dmp

Filesize
4KB

Download
memory/1048-62-0x0000000004BF0000-0x0000000004BF1000-memory.dmp

Filesize
4KB

Download
memory/1048-61-0x0000000000360000-0x000000000038B000-memory.dmp

Filesize
172KB

Download
memory/1072-80-0x0000000000413FA4-mapping.dmp

Download
memory/1072-83-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1172-78-0x0000000005110000-0x0000000005111000-memory.dmp

Filesize
4KB

Download
memory/1172-73-0x0000000000000000-mapping.dmp

Download
memory/1172-75-0x0000000001100000-0x0000000001101000-memory.dmp

Filesize
4KB

Download
memory/1500-64-0x0000000000413FA4-mapping.dmp

Download
memory/1500-69-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1500-65-0x0000000075721000-0x0000000075723000-memory.dmp

Filesize
8KB

Download
memory/1500-63-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads