remcos | b76e862dccd0da9b40dccf294bef402dc7a34185449bf55b022eb79dc8ce6e23

General

Target

sB2ppXd9nd1DsMC.exe
Size

831KB
MD5

6471f431e11c4285b7ba8ac3c3e71ad9
SHA1

46f5265999242b24f5ff5cae831709b616a2c381
SHA256

b76e862dccd0da9b40dccf294bef402dc7a34185449bf55b022eb79dc8ce6e23
SHA512

095f5ed132db126a2f4571d3209fb697a609f75887d2a37a8630d5397f7422288d1903b2f21b62138be8644fe1fe9ca1c0537076a541fa9cecb1cb57779dd5f4

Score

10^/10

remcos rat

Malware Config

Extracted

Family

remcos

C2

185.244.26.241:1989

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Suspicious use of SetThreadContext 1 IoCs

Processes:

sB2ppXd9nd1DsMC.exe

description pid process target process

PID 636 set thread context of 744 636 sB2ppXd9nd1DsMC.exe sB2ppXd9nd1DsMC.exe
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

684 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

sB2ppXd9nd1DsMC.exe

pid process

636 sB2ppXd9nd1DsMC.exe
636 sB2ppXd9nd1DsMC.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

sB2ppXd9nd1DsMC.exe

description pid process

Token: SeDebugPrivilege 636 sB2ppXd9nd1DsMC.exe

description	pid	process	target process
PID 636 set thread context of 744	636	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe

pid	process
684	schtasks.exe

pid	process
636	sB2ppXd9nd1DsMC.exe
636	sB2ppXd9nd1DsMC.exe

description	pid	process
Token: SeDebugPrivilege	636	sB2ppXd9nd1DsMC.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

sB2ppXd9nd1DsMC.exe

description	pid	process	target process
PID 636 wrote to memory of 684	636	sB2ppXd9nd1DsMC.exe	schtasks.exe
PID 636 wrote to memory of 684	636	sB2ppXd9nd1DsMC.exe	schtasks.exe
PID 636 wrote to memory of 684	636	sB2ppXd9nd1DsMC.exe	schtasks.exe
PID 636 wrote to memory of 3228	636	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 636 wrote to memory of 3228	636	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 636 wrote to memory of 3228	636	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 636 wrote to memory of 744	636	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 636 wrote to memory of 744	636	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 636 wrote to memory of 744	636	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 636 wrote to memory of 744	636	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 636 wrote to memory of 744	636	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 636 wrote to memory of 744	636	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 636 wrote to memory of 744	636	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 636 wrote to memory of 744	636	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 636 wrote to memory of 744	636	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 636 wrote to memory of 744	636	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe

C:\Users\Admin\AppData\Local\Temp\sB2ppXd9nd1DsMC.exe
"C:\Users\Admin\AppData\Local\Temp\sB2ppXd9nd1DsMC.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:636

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wShTcQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp51E9.tmp"
2⤵
- Creates scheduled task(s)
PID:684

C:\Users\Admin\AppData\Local\Temp\sB2ppXd9nd1DsMC.exe
"C:\Users\Admin\AppData\Local\Temp\sB2ppXd9nd1DsMC.exe"
2⤵
PID:3228

C:\Users\Admin\AppData\Local\Temp\sB2ppXd9nd1DsMC.exe
"C:\Users\Admin\AppData\Local\Temp\sB2ppXd9nd1DsMC.exe"
2⤵
PID:744

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp51E9.tmp
MD5
1f5479b7005731bfda18fcecc1855a9e

SHA1
c78fb8d3537ae4ce1954bf48fc23b75fb4d9f0f3

SHA256
20ea43de452767b74bfd7e990218c6a4c48333242996a6f992cc7e32b99303c7

SHA512
6bf56d37072209f8398b26a42fbd6b5291288ef41790294b46d52ffdce383646565802af69100faaf34e0c731d0e5b5b56caf006a68351813cebf7d2998eee79

Download Submit
memory/636-9-0x00000000054B0000-0x00000000054B1000-memory.dmp

Filesize
4KB

Download
memory/636-11-0x00000000053D0000-0x00000000053F3000-memory.dmp

Filesize
140KB

Download
memory/636-6-0x00000000057B0000-0x00000000057B1000-memory.dmp

Filesize
4KB

Download
memory/636-7-0x00000000052B0000-0x00000000052B1000-memory.dmp

Filesize
4KB

Download
memory/636-8-0x0000000005390000-0x0000000005391000-memory.dmp

Filesize
4KB

Download
memory/636-2-0x0000000073E00000-0x00000000744EE000-memory.dmp

Filesize
6.9MB

Download
memory/636-10-0x00000000054C0000-0x00000000054C1000-memory.dmp

Filesize
4KB

Download
memory/636-5-0x0000000005210000-0x0000000005211000-memory.dmp

Filesize
4KB

Download
memory/636-12-0x0000000005F80000-0x0000000005FD9000-memory.dmp

Filesize
356KB

Download
memory/636-3-0x00000000008A0000-0x00000000008A1000-memory.dmp

Filesize
4KB

Download
memory/684-13-0x0000000000000000-mapping.dmp

Download
memory/744-15-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/744-16-0x0000000000413FA4-mapping.dmp

Download
memory/744-17-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads