remcos | b76e862dccd0da9b40dccf294bef402dc7a34185449bf55b022eb79dc8ce6e23

General

Target

sB2ppXd9nd1DsMC.exe
Size

831KB
MD5

6471f431e11c4285b7ba8ac3c3e71ad9
SHA1

46f5265999242b24f5ff5cae831709b616a2c381
SHA256

b76e862dccd0da9b40dccf294bef402dc7a34185449bf55b022eb79dc8ce6e23
SHA512

095f5ed132db126a2f4571d3209fb697a609f75887d2a37a8630d5397f7422288d1903b2f21b62138be8644fe1fe9ca1c0537076a541fa9cecb1cb57779dd5f4

Score

10^/10

remcos rat spyware

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

NirSoft WebBrowserPassView 1 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral1/memory/280-15-0x0000000000476274-mapping.dmp	WebBrowserPassView

Nirsoft 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/280-15-0x0000000000476274-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

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 3 IoCs

Processes:

sB2ppXd9nd1DsMC.exesB2ppXd9nd1DsMC.exe

description	pid	process	target process
PID 1732 set thread context of 1016	1732	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1016 set thread context of 280	1016	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1016 set thread context of 996	1016	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

1708 schtasks.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

sB2ppXd9nd1DsMC.exe

pid process

280 sB2ppXd9nd1DsMC.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

sB2ppXd9nd1DsMC.exe

description pid process

Token: SeDebugPrivilege 996 sB2ppXd9nd1DsMC.exe

pid	process
1708	schtasks.exe

pid	process
280	sB2ppXd9nd1DsMC.exe

description	pid	process
Token: SeDebugPrivilege	996	sB2ppXd9nd1DsMC.exe

Suspicious use of WriteProcessMemory 41 IoCs

Processes:

sB2ppXd9nd1DsMC.exesB2ppXd9nd1DsMC.exe

description	pid	process	target process
PID 1732 wrote to memory of 1708	1732	sB2ppXd9nd1DsMC.exe	schtasks.exe
PID 1732 wrote to memory of 1708	1732	sB2ppXd9nd1DsMC.exe	schtasks.exe
PID 1732 wrote to memory of 1708	1732	sB2ppXd9nd1DsMC.exe	schtasks.exe
PID 1732 wrote to memory of 1708	1732	sB2ppXd9nd1DsMC.exe	schtasks.exe
PID 1732 wrote to memory of 1016	1732	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1732 wrote to memory of 1016	1732	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1732 wrote to memory of 1016	1732	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1732 wrote to memory of 1016	1732	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1732 wrote to memory of 1016	1732	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1732 wrote to memory of 1016	1732	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1732 wrote to memory of 1016	1732	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1732 wrote to memory of 1016	1732	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1732 wrote to memory of 1016	1732	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1732 wrote to memory of 1016	1732	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1732 wrote to memory of 1016	1732	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1016 wrote to memory of 2016	1016	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1016 wrote to memory of 2016	1016	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1016 wrote to memory of 2016	1016	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1016 wrote to memory of 2016	1016	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1016 wrote to memory of 280	1016	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1016 wrote to memory of 280	1016	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1016 wrote to memory of 280	1016	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1016 wrote to memory of 280	1016	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1016 wrote to memory of 280	1016	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1016 wrote to memory of 280	1016	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1016 wrote to memory of 280	1016	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1016 wrote to memory of 280	1016	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1016 wrote to memory of 280	1016	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1016 wrote to memory of 996	1016	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1016 wrote to memory of 996	1016	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1016 wrote to memory of 996	1016	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1016 wrote to memory of 996	1016	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1016 wrote to memory of 996	1016	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1016 wrote to memory of 996	1016	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1016 wrote to memory of 996	1016	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1016 wrote to memory of 996	1016	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1016 wrote to memory of 996	1016	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1016 wrote to memory of 436	1016	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1016 wrote to memory of 436	1016	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1016 wrote to memory of 436	1016	sB2ppXd9nd1DsMC.exe	sB2ppXd9nd1DsMC.exe
PID 1016 wrote to memory of 436	1016	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 use of WriteProcessMemory
PID:1732

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wShTcQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE994.tmp"
2⤵
- Creates scheduled task(s)
PID:1708

C:\Users\Admin\AppData\Local\Temp\sB2ppXd9nd1DsMC.exe
"C:\Users\Admin\AppData\Local\Temp\sB2ppXd9nd1DsMC.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1016

C:\Users\Admin\AppData\Local\Temp\sB2ppXd9nd1DsMC.exe
C:\Users\Admin\AppData\Local\Temp\sB2ppXd9nd1DsMC.exe /stext "C:\Users\Admin\AppData\Local\Temp\btjvffp"
3⤵
PID:2016

C:\Users\Admin\AppData\Local\Temp\sB2ppXd9nd1DsMC.exe
C:\Users\Admin\AppData\Local\Temp\sB2ppXd9nd1DsMC.exe /stext "C:\Users\Admin\AppData\Local\Temp\btjvffp"
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:280

C:\Users\Admin\AppData\Local\Temp\sB2ppXd9nd1DsMC.exe
C:\Users\Admin\AppData\Local\Temp\sB2ppXd9nd1DsMC.exe /stext "C:\Users\Admin\AppData\Local\Temp\dwofgyzwak"
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:996

C:\Users\Admin\AppData\Local\Temp\sB2ppXd9nd1DsMC.exe
C:\Users\Admin\AppData\Local\Temp\sB2ppXd9nd1DsMC.exe /stext "C:\Users\Admin\AppData\Local\Temp\nqcyhqkxosmhiz"
3⤵
PID:436

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

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE994.tmp
MD5
8d8ac7df42305e6cb4ce97e3b9b635c6

SHA1
03f652d663b2fa5330b90c4ba27b19ce55d1e50c

SHA256
571f2eba729d8670fcc3c2c84b1c1f2b8a375f3fe3e15fa32a5811bfd71d5743

SHA512
10ffcdf580af4085b475bd708ec912275aa9eb64ec93a250cb0aa578681257c7aa253ac84793d564d554ae88ea3f4892acaba608a42d51202a5d1f964bead38e

Download Submit
memory/280-14-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/280-20-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/280-15-0x0000000000476274-mapping.dmp

Download
memory/996-21-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/996-17-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/996-18-0x0000000000422206-mapping.dmp

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memory/1016-11-0x0000000000413FA4-mapping.dmp

Download
memory/1016-12-0x0000000075AE1000-0x0000000075AE3000-memory.dmp

Filesize
8KB

Download
memory/1016-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1016-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1636-22-0x000007FEF6400000-0x000007FEF667A000-memory.dmp

Filesize
2.5MB

Download
memory/1708-8-0x0000000000000000-mapping.dmp

Download
memory/1732-2-0x0000000074120000-0x000000007480E000-memory.dmp

Filesize
6.9MB

Download
memory/1732-7-0x0000000004C80000-0x0000000004CD9000-memory.dmp

Filesize
356KB

Download
memory/1732-6-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/1732-5-0x0000000002070000-0x0000000002093000-memory.dmp

Filesize
140KB

Download
memory/1732-3-0x0000000000210000-0x0000000000211000-memory.dmp

Filesize
4KB

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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