remcos | fd1f86d98d28f8e9ae73acf4609e8cc0e669e97495c7d9bf679151b47432e005

Analysis

max time kernel
152s
max time network
159s
platform
windows10_x64
resource
win10
submitted
19/10/2020, 06:39

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General

Target
Payment 18 10 2020.exe
Size 655KB
Sample201019-d7c77d3xnj
SHA256 fd1f86d98d28f8e9ae73acf4609e8cc0e669e97495c7d9bf679151b47432e005
MD5 4703bea7e09685c37eb0f53291feaa91
SHA1 53e5808c1db1cc5919a850d91ae39889a54c0a84
SHA512 2595a473df878afbd915a3e7bf90f85dbbedc201f9dbdf460661c2828422bdba278d0d6de4bb5984c5ae4817fe578a5a6acf6959fc4d8350554cd19169c4450d
MD5 SHA1 SHA512

Score

10^/10

rat remcos spyware

Malware Config

Extracted

Family

remcos

185.140.53.192:1011

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
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
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 4092 set thread context of 4012	4092	Payment 18 10 2020.exe	79
PID 4012 set thread context of 3880	4012	vbc.exe	80
PID 4012 set thread context of 3952	4012	vbc.exe	81
PID 4012 set thread context of 3344	4012	vbc.exe	82

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

pid	Process
2692	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4092	Payment 18 10 2020.exe
4092	Payment 18 10 2020.exe
3880	vbc.exe
3880	vbc.exe
3952	vbc.exe
3952	vbc.exe
3880	vbc.exe
3880	vbc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4092	Payment 18 10 2020.exe
Token: SeDebugPrivilege	3952	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4012	vbc.exe

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 4092 wrote to memory of 2692	4092	Payment 18 10 2020.exe	76
PID 4092 wrote to memory of 2692	4092	Payment 18 10 2020.exe	76
PID 4092 wrote to memory of 2692	4092	Payment 18 10 2020.exe	76
PID 4092 wrote to memory of 3012	4092	Payment 18 10 2020.exe	78
PID 4092 wrote to memory of 3012	4092	Payment 18 10 2020.exe	78
PID 4092 wrote to memory of 3012	4092	Payment 18 10 2020.exe	78
PID 4092 wrote to memory of 4012	4092	Payment 18 10 2020.exe	79
PID 4092 wrote to memory of 4012	4092	Payment 18 10 2020.exe	79
PID 4092 wrote to memory of 4012	4092	Payment 18 10 2020.exe	79
PID 4092 wrote to memory of 4012	4092	Payment 18 10 2020.exe	79
PID 4092 wrote to memory of 4012	4092	Payment 18 10 2020.exe	79
PID 4092 wrote to memory of 4012	4092	Payment 18 10 2020.exe	79
PID 4092 wrote to memory of 4012	4092	Payment 18 10 2020.exe	79
PID 4092 wrote to memory of 4012	4092	Payment 18 10 2020.exe	79
PID 4092 wrote to memory of 4012	4092	Payment 18 10 2020.exe	79
PID 4092 wrote to memory of 4012	4092	Payment 18 10 2020.exe	79
PID 4012 wrote to memory of 3880	4012	vbc.exe	80
PID 4012 wrote to memory of 3880	4012	vbc.exe	80
PID 4012 wrote to memory of 3880	4012	vbc.exe	80
PID 4012 wrote to memory of 3880	4012	vbc.exe	80
PID 4012 wrote to memory of 3880	4012	vbc.exe	80
PID 4012 wrote to memory of 3880	4012	vbc.exe	80
PID 4012 wrote to memory of 3880	4012	vbc.exe	80
PID 4012 wrote to memory of 3880	4012	vbc.exe	80
PID 4012 wrote to memory of 3952	4012	vbc.exe	81
PID 4012 wrote to memory of 3952	4012	vbc.exe	81
PID 4012 wrote to memory of 3952	4012	vbc.exe	81
PID 4012 wrote to memory of 3952	4012	vbc.exe	81
PID 4012 wrote to memory of 3952	4012	vbc.exe	81
PID 4012 wrote to memory of 3952	4012	vbc.exe	81
PID 4012 wrote to memory of 3952	4012	vbc.exe	81
PID 4012 wrote to memory of 3952	4012	vbc.exe	81
PID 4012 wrote to memory of 3344	4012	vbc.exe	82
PID 4012 wrote to memory of 3344	4012	vbc.exe	82
PID 4012 wrote to memory of 3344	4012	vbc.exe	82
PID 4012 wrote to memory of 3344	4012	vbc.exe	82
PID 4012 wrote to memory of 3344	4012	vbc.exe	82
PID 4012 wrote to memory of 3344	4012	vbc.exe	82
PID 4012 wrote to memory of 3344	4012	vbc.exe	82
PID 4012 wrote to memory of 3344	4012	vbc.exe	82

C:\Users\Admin\AppData\Local\Temp\Payment 18 10 2020.exe
"C:\Users\Admin\AppData\Local\Temp\Payment 18 10 2020.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4092
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\Ynlgudxe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9F4.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2692
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:3012
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4012
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\dlsqghhjw"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:3880
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\ooxbhzsdkseg"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3952
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\qikthscfyawlsve"
    3⤵
    PID:3344

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Scripting

T1064

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Scripting

T1064

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/3344-23-0x0000000000400000-0x0000000000457000-memory.dmp

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memory/3344-26-0x0000000000400000-0x0000000000457000-memory.dmp

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memory/3344-27-0x0000000000400000-0x0000000000457000-memory.dmp

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memory/3880-16-0x0000000000400000-0x0000000000478000-memory.dmp

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memory/3880-21-0x0000000000400000-0x0000000000478000-memory.dmp

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memory/3880-19-0x0000000000400000-0x0000000000478000-memory.dmp

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memory/3952-24-0x0000000000400000-0x0000000000424000-memory.dmp

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memory/3952-22-0x0000000000400000-0x0000000000424000-memory.dmp

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memory/3952-18-0x0000000000400000-0x0000000000424000-memory.dmp

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memory/4012-15-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/4012-13-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/4092-0-0x0000000073290000-0x000000007397E000-memory.dmp

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memory/4092-10-0x0000000006330000-0x0000000006353000-memory.dmp

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memory/4092-9-0x00000000062D0000-0x0000000006324000-memory.dmp

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memory/4092-8-0x0000000005480000-0x000000000548B000-memory.dmp

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memory/4092-7-0x0000000005760000-0x0000000005761000-memory.dmp

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memory/4092-6-0x0000000005460000-0x0000000005461000-memory.dmp

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memory/4092-5-0x0000000005560000-0x0000000005561000-memory.dmp

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memory/4092-4-0x0000000005A60000-0x0000000005A61000-memory.dmp

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memory/4092-3-0x00000000054C0000-0x00000000054C1000-memory.dmp

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memory/4092-1-0x0000000000BA0000-0x0000000000BA1000-memory.dmp

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