remcos | 9bab6645fcdf0b227951503269cc6606b28ce3da83e7fabdcece821d40b8d089

Analysis

max time kernel
148s
max time network
144s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-09-2024 02:58

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

quote list.exe
Size

869KB
MD5

d015c17dca0c59e602fe84a228e39a22
SHA1

2e8bdba65c967be5f8be70e30518ead644be0977
SHA256

915b501be529cba600bb05585f9206277972284e1bdac44094d256fd01b9da46
SHA512

293b625d8072249e08036876487a43efe80896d72c759bd0d2e2a40cdf44683a7afaa5ed0c16289fde67dd89e334cad9c772c44e1078909b41b4b09cdb56c6cd
SSDEEP

12288:ynKzK2l5btpicIKvL9JYNqt63GBJe0q3Ax7j3HiC6TpOIBl5c39WFac+brKQajeL:yKuQPIS9JYE63ienG7jTI929WiKaL

Score

10^/10

remcos 3456789 discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

3456789

172.93.220.148:45682

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
765-8M14I5
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Remcos
take_screenshot_option
false
take_screenshot_time
5

Signatures

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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2712	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2984 set thread context of 2856	2984	quote list.exe	37

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	quote list.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	quote list.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2872	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2984	quote list.exe
2984	quote list.exe
2984	quote list.exe
2984	quote list.exe
2712	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2984	quote list.exe
Token: SeDebugPrivilege	2712	powershell.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2984 wrote to memory of 2712	2984	quote list.exe	31
PID 2984 wrote to memory of 2712	2984	quote list.exe	31
PID 2984 wrote to memory of 2712	2984	quote list.exe	31
PID 2984 wrote to memory of 2712	2984	quote list.exe	31
PID 2984 wrote to memory of 2872	2984	quote list.exe	33
PID 2984 wrote to memory of 2872	2984	quote list.exe	33
PID 2984 wrote to memory of 2872	2984	quote list.exe	33
PID 2984 wrote to memory of 2872	2984	quote list.exe	33
PID 2984 wrote to memory of 2708	2984	quote list.exe	35
PID 2984 wrote to memory of 2708	2984	quote list.exe	35
PID 2984 wrote to memory of 2708	2984	quote list.exe	35
PID 2984 wrote to memory of 2708	2984	quote list.exe	35
PID 2984 wrote to memory of 1276	2984	quote list.exe	36
PID 2984 wrote to memory of 1276	2984	quote list.exe	36
PID 2984 wrote to memory of 1276	2984	quote list.exe	36
PID 2984 wrote to memory of 1276	2984	quote list.exe	36
PID 2984 wrote to memory of 2856	2984	quote list.exe	37
PID 2984 wrote to memory of 2856	2984	quote list.exe	37
PID 2984 wrote to memory of 2856	2984	quote list.exe	37
PID 2984 wrote to memory of 2856	2984	quote list.exe	37
PID 2984 wrote to memory of 2856	2984	quote list.exe	37
PID 2984 wrote to memory of 2856	2984	quote list.exe	37
PID 2984 wrote to memory of 2856	2984	quote list.exe	37
PID 2984 wrote to memory of 2856	2984	quote list.exe	37
PID 2984 wrote to memory of 2856	2984	quote list.exe	37
PID 2984 wrote to memory of 2856	2984	quote list.exe	37
PID 2984 wrote to memory of 2856	2984	quote list.exe	37
PID 2984 wrote to memory of 2856	2984	quote list.exe	37
PID 2984 wrote to memory of 2856	2984	quote list.exe	37

C:\Users\Admin\AppData\Local\Temp\quote list.exe
"C:\Users\Admin\AppData\Local\Temp\quote list.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2984
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\RPwgSSbfZvt.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2712
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RPwgSSbfZvt" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF641.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2872
- C:\Users\Admin\AppData\Local\Temp\quote list.exe
  "C:\Users\Admin\AppData\Local\Temp\quote list.exe"
  2⤵
  PID:2708
- C:\Users\Admin\AppData\Local\Temp\quote list.exe
  "C:\Users\Admin\AppData\Local\Temp\quote list.exe"
  2⤵
  PID:1276
- C:\Users\Admin\AppData\Local\Temp\quote list.exe
  "C:\Users\Admin\AppData\Local\Temp\quote list.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF641.tmp

Filesize
1KB

MD5
56b9fca6216ba79fd9d9555614ba287e

SHA1
cc15362529ac6443c5d649f3c80999f695c80dfc

SHA256
f219f4bf3418955207e686235bddc52e5cbb7a2b231de75f503dbcf66c687034

SHA512
360172e0d6cd9294e3f1a7cbcd3cf838671565197c6d3ec1f0943c61fdc0632e8a3acf508bb2b549d49384eec447a4ccdaa5e9725d70657bd9d2fbc300c47c8e

Download Submit
memory/2856-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2856-16-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2856-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-2-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2984-4-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

Filesize
4KB

Download
memory/2984-0-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

Filesize
4KB

Download
memory/2984-35-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2984-1-0x00000000001A0000-0x0000000000280000-memory.dmp

Filesize
896KB

Download
memory/2984-6-0x00000000050B0000-0x000000000516E000-memory.dmp

Filesize
760KB

Download
memory/2984-5-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2984-3-0x0000000000670000-0x0000000000680000-memory.dmp

Filesize
64KB

Download