remcos | 8d35d5af29a9bf3215debc87e823b56f0277b9a30d92f9f39588dbe6e914260a

General

Target

Order 15012025.scr
Size

1.0MB
MD5

0961238c5eb544064ec679ab3ae1d768
SHA1

97f2c51446ef7cc58451db902b83311540273dd3
SHA256

3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09
SHA512

89929f4730680d4d86efb9203ef615cee77fe68b141c1ba54932fb88455435afdd3f1249f8144f706cb10daf6fea6dea40f656fc3540dd559b46a808561a7fad
SSDEEP

24576:wYJN+UVsa/olu4AdAGswqi7Ramu9irQJ2GiaTQ:P3+UfP4MRMcrQ4ITQ

Score

10^/10

remcos host discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

Host

C2

87.121.86.6:2404

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
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
Rmc-QB5RVX
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Remcos family
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
2624	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2100 set thread context of 2828	2100	Order 15012025.scr	34

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 3 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	Order 15012025.scr
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Order 15012025.scr

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2100	Order 15012025.scr
2100	Order 15012025.scr
2100	Order 15012025.scr
2100	Order 15012025.scr
2624	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2100	Order 15012025.scr
Token: SeDebugPrivilege	2624	powershell.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 2624	2100	Order 15012025.scr	30
PID 2100 wrote to memory of 2624	2100	Order 15012025.scr	30
PID 2100 wrote to memory of 2624	2100	Order 15012025.scr	30
PID 2100 wrote to memory of 2624	2100	Order 15012025.scr	30
PID 2100 wrote to memory of 2616	2100	Order 15012025.scr	32
PID 2100 wrote to memory of 2616	2100	Order 15012025.scr	32
PID 2100 wrote to memory of 2616	2100	Order 15012025.scr	32
PID 2100 wrote to memory of 2616	2100	Order 15012025.scr	32
PID 2100 wrote to memory of 2864	2100	Order 15012025.scr	33
PID 2100 wrote to memory of 2864	2100	Order 15012025.scr	33
PID 2100 wrote to memory of 2864	2100	Order 15012025.scr	33
PID 2100 wrote to memory of 2864	2100	Order 15012025.scr	33
PID 2100 wrote to memory of 2828	2100	Order 15012025.scr	34
PID 2100 wrote to memory of 2828	2100	Order 15012025.scr	34
PID 2100 wrote to memory of 2828	2100	Order 15012025.scr	34
PID 2100 wrote to memory of 2828	2100	Order 15012025.scr	34
PID 2100 wrote to memory of 2828	2100	Order 15012025.scr	34
PID 2100 wrote to memory of 2828	2100	Order 15012025.scr	34
PID 2100 wrote to memory of 2828	2100	Order 15012025.scr	34
PID 2100 wrote to memory of 2828	2100	Order 15012025.scr	34
PID 2100 wrote to memory of 2828	2100	Order 15012025.scr	34
PID 2100 wrote to memory of 2828	2100	Order 15012025.scr	34
PID 2100 wrote to memory of 2828	2100	Order 15012025.scr	34

C:\Users\Admin\AppData\Local\Temp\Order 15012025.scr
"C:\Users\Admin\AppData\Local\Temp\Order 15012025.scr" /S
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Order 15012025.scr"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2624
- C:\Users\Admin\AppData\Local\Temp\Order 15012025.scr
  "C:\Users\Admin\AppData\Local\Temp\Order 15012025.scr"
  2⤵
  PID:2616
- C:\Users\Admin\AppData\Local\Temp\Order 15012025.scr
  "C:\Users\Admin\AppData\Local\Temp\Order 15012025.scr"
  2⤵
  PID:2864
- C:\Users\Admin\AppData\Local\Temp\Order 15012025.scr
  "C:\Users\Admin\AppData\Local\Temp\Order 15012025.scr"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2828

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2100-23-0x00000000743A0000-0x0000000074A8E000-memory.dmp

Filesize
6.9MB

Download
memory/2100-1-0x00000000009E0000-0x0000000000AEE000-memory.dmp

Filesize
1.1MB

Download
memory/2100-2-0x00000000743A0000-0x0000000074A8E000-memory.dmp

Filesize
6.9MB

Download
memory/2100-3-0x0000000001F90000-0x0000000001FB6000-memory.dmp

Filesize
152KB

Download
memory/2100-4-0x00000000743AE000-0x00000000743AF000-memory.dmp

Filesize
4KB

Download
memory/2100-5-0x00000000743A0000-0x0000000074A8E000-memory.dmp

Filesize
6.9MB

Download
memory/2100-6-0x0000000005E20000-0x0000000005EE2000-memory.dmp

Filesize
776KB

Download
memory/2100-0-0x00000000743AE000-0x00000000743AF000-memory.dmp

Filesize
4KB

Download
memory/2828-12-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2828-28-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2828-20-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2828-19-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2828-17-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2828-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2828-14-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2828-13-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2828-11-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2828-9-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2828-7-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2828-26-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2828-27-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2828-22-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2828-30-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2828-31-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2828-32-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2828-33-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2828-34-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2828-36-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2828-35-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2828-37-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2828-38-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2828-39-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2828-40-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download

Analysis

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