remcos | 12a0e61c40e9664cd768c55b50d204e038067e9dfa34c04d0170426565eb2d2c

General

Target

04_extracted.exe
Size

456KB
MD5

58dc1cfd317058134777f77f86f62592
SHA1

22f19ee32e81d180be5c4e824d359456df811293
SHA256

12a0e61c40e9664cd768c55b50d204e038067e9dfa34c04d0170426565eb2d2c
SHA512

0d6984b84336c189eb590ae870b5a50ca81f3d90a7fe97ffdbfab9569b841711475054d6c1ea6e592ad9ae45e14ff70efcfd7c10effb865843a5e79b9a4be0c2

Score

10^/10

remcos rat spyware stealer

Malware Config

Signatures

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

NirSoft MailPassView 1 IoCs

Password recovery tool for various email clients

Processes:

resource	yara_rule
behavioral1/memory/768-68-0x0000000000455238-mapping.dmp	MailPassView

NirSoft WebBrowserPassView 1 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral1/memory/1332-62-0x0000000000476274-mapping.dmp	WebBrowserPassView

Nirsoft 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1332-62-0x0000000000476274-mapping.dmp	Nirsoft
behavioral1/memory/768-68-0x0000000000455238-mapping.dmp	Nirsoft

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 3 IoCs

Processes:

04_extracted.exe

description	pid	process	target process
PID 1076 set thread context of 1332	1076	04_extracted.exe	04_extracted.exe
PID 1076 set thread context of 688	1076	04_extracted.exe	04_extracted.exe
PID 1076 set thread context of 768	1076	04_extracted.exe	04_extracted.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

04_extracted.exe

pid process

1332 04_extracted.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

04_extracted.exe

description pid process

Token: SeDebugPrivilege 688 04_extracted.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

04_extracted.exe

pid process

1076 04_extracted.exe

pid	process
1332	04_extracted.exe

description	pid	process
Token: SeDebugPrivilege	688	04_extracted.exe

pid	process
1076	04_extracted.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

04_extracted.exe

description	pid	process	target process
PID 1076 wrote to memory of 1332	1076	04_extracted.exe	04_extracted.exe
PID 1076 wrote to memory of 1332	1076	04_extracted.exe	04_extracted.exe
PID 1076 wrote to memory of 1332	1076	04_extracted.exe	04_extracted.exe
PID 1076 wrote to memory of 1332	1076	04_extracted.exe	04_extracted.exe
PID 1076 wrote to memory of 1332	1076	04_extracted.exe	04_extracted.exe
PID 1076 wrote to memory of 1332	1076	04_extracted.exe	04_extracted.exe
PID 1076 wrote to memory of 1332	1076	04_extracted.exe	04_extracted.exe
PID 1076 wrote to memory of 1332	1076	04_extracted.exe	04_extracted.exe
PID 1076 wrote to memory of 688	1076	04_extracted.exe	04_extracted.exe
PID 1076 wrote to memory of 688	1076	04_extracted.exe	04_extracted.exe
PID 1076 wrote to memory of 688	1076	04_extracted.exe	04_extracted.exe
PID 1076 wrote to memory of 688	1076	04_extracted.exe	04_extracted.exe
PID 1076 wrote to memory of 688	1076	04_extracted.exe	04_extracted.exe
PID 1076 wrote to memory of 688	1076	04_extracted.exe	04_extracted.exe
PID 1076 wrote to memory of 688	1076	04_extracted.exe	04_extracted.exe
PID 1076 wrote to memory of 688	1076	04_extracted.exe	04_extracted.exe
PID 1076 wrote to memory of 768	1076	04_extracted.exe	04_extracted.exe
PID 1076 wrote to memory of 768	1076	04_extracted.exe	04_extracted.exe
PID 1076 wrote to memory of 768	1076	04_extracted.exe	04_extracted.exe
PID 1076 wrote to memory of 768	1076	04_extracted.exe	04_extracted.exe
PID 1076 wrote to memory of 768	1076	04_extracted.exe	04_extracted.exe
PID 1076 wrote to memory of 768	1076	04_extracted.exe	04_extracted.exe
PID 1076 wrote to memory of 768	1076	04_extracted.exe	04_extracted.exe
PID 1076 wrote to memory of 768	1076	04_extracted.exe	04_extracted.exe

C:\Users\Admin\AppData\Local\Temp\04_extracted.exe
"C:\Users\Admin\AppData\Local\Temp\04_extracted.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1076

C:\Users\Admin\AppData\Local\Temp\04_extracted.exe
C:\Users\Admin\AppData\Local\Temp\04_extracted.exe /stext "C:\Users\Admin\AppData\Local\Temp\dhuy"
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:1332

C:\Users\Admin\AppData\Local\Temp\04_extracted.exe
C:\Users\Admin\AppData\Local\Temp\04_extracted.exe /stext "C:\Users\Admin\AppData\Local\Temp\gjhqyuhw"
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:688

C:\Users\Admin\AppData\Local\Temp\04_extracted.exe
C:\Users\Admin\AppData\Local\Temp\04_extracted.exe /stext "C:\Users\Admin\AppData\Local\Temp\qdmbrnspqtb"
2⤵
PID:768

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\dhuy
MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/688-64-0x0000000000422206-mapping.dmp

Download
memory/688-63-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/688-71-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/768-67-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/768-68-0x0000000000455238-mapping.dmp

Download
memory/768-72-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/1076-60-0x0000000075AA1000-0x0000000075AA3000-memory.dmp

Filesize
8KB

Download
memory/1332-61-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1332-62-0x0000000000476274-mapping.dmp

Download
memory/1332-70-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads