remcos | 3891a0ae29a94c4c2be6091b1f16f54bdcc3ccd03c6d0582eea1ce1864b562e1

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-11-2024 11:30

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General

Target

8gLdIfw09Wi50H5.exe
Size

1.1MB
MD5

8dec3e4013cf6502f5a8a47b74f2338f
SHA1

1239981acfea06a72aff099f30304f24c7f572de
SHA256

3891a0ae29a94c4c2be6091b1f16f54bdcc3ccd03c6d0582eea1ce1864b562e1
SHA512

05230b69295a8828a9ccc9720ea5a24c6599d0d29fcde27368cf34efec7e7d28be1bd132fd00c92b78439cc0a50066ef8f42d106b7794ec0597e60e4c247ffaa
SSDEEP

24576:u1CC4aPMrdfl4Ciephkv/9pZCrI8UvzWdj2l59EU6h1NhMue8u:FCpMrdfiCiIyVpZok39MRMP8

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

192.3.220.30:8080

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
Rmc-SF7E52
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
2912	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2932 set thread context of 2624	2932	8gLdIfw09Wi50H5.exe	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	8gLdIfw09Wi50H5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8gLdIfw09Wi50H5.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2932	8gLdIfw09Wi50H5.exe
2932	8gLdIfw09Wi50H5.exe
2932	8gLdIfw09Wi50H5.exe
2932	8gLdIfw09Wi50H5.exe
2912	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2932	8gLdIfw09Wi50H5.exe
Token: SeDebugPrivilege	2912	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 2912	2932	8gLdIfw09Wi50H5.exe	31
PID 2932 wrote to memory of 2912	2932	8gLdIfw09Wi50H5.exe	31
PID 2932 wrote to memory of 2912	2932	8gLdIfw09Wi50H5.exe	31
PID 2932 wrote to memory of 2912	2932	8gLdIfw09Wi50H5.exe	31
PID 2932 wrote to memory of 2860	2932	8gLdIfw09Wi50H5.exe	33
PID 2932 wrote to memory of 2860	2932	8gLdIfw09Wi50H5.exe	33
PID 2932 wrote to memory of 2860	2932	8gLdIfw09Wi50H5.exe	33
PID 2932 wrote to memory of 2860	2932	8gLdIfw09Wi50H5.exe	33
PID 2932 wrote to memory of 2624	2932	8gLdIfw09Wi50H5.exe	34
PID 2932 wrote to memory of 2624	2932	8gLdIfw09Wi50H5.exe	34
PID 2932 wrote to memory of 2624	2932	8gLdIfw09Wi50H5.exe	34
PID 2932 wrote to memory of 2624	2932	8gLdIfw09Wi50H5.exe	34
PID 2932 wrote to memory of 2624	2932	8gLdIfw09Wi50H5.exe	34
PID 2932 wrote to memory of 2624	2932	8gLdIfw09Wi50H5.exe	34
PID 2932 wrote to memory of 2624	2932	8gLdIfw09Wi50H5.exe	34
PID 2932 wrote to memory of 2624	2932	8gLdIfw09Wi50H5.exe	34
PID 2932 wrote to memory of 2624	2932	8gLdIfw09Wi50H5.exe	34
PID 2932 wrote to memory of 2624	2932	8gLdIfw09Wi50H5.exe	34
PID 2932 wrote to memory of 2624	2932	8gLdIfw09Wi50H5.exe	34
PID 2932 wrote to memory of 2624	2932	8gLdIfw09Wi50H5.exe	34
PID 2932 wrote to memory of 2624	2932	8gLdIfw09Wi50H5.exe	34

C:\Users\Admin\AppData\Local\Temp\8gLdIfw09Wi50H5.exe
"C:\Users\Admin\AppData\Local\Temp\8gLdIfw09Wi50H5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2932
- 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\8gLdIfw09Wi50H5.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2912
- C:\Users\Admin\AppData\Local\Temp\8gLdIfw09Wi50H5.exe
  "C:\Users\Admin\AppData\Local\Temp\8gLdIfw09Wi50H5.exe"
  2⤵
  PID:2860
- C:\Users\Admin\AppData\Local\Temp\8gLdIfw09Wi50H5.exe
  "C:\Users\Admin\AppData\Local\Temp\8gLdIfw09Wi50H5.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

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

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Downloads

memory/2624-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-58-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2624-74-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-73-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-8-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-71-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-70-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-69-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-68-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-67-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-7-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-72-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-51-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-52-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-53-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-54-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-56-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-57-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-60-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-61-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-62-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-63-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-64-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-65-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-66-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2932-28-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download
memory/2932-6-0x0000000004D10000-0x0000000004DD4000-memory.dmp

Filesize
784KB

Download
memory/2932-5-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download
memory/2932-4-0x000000007466E000-0x000000007466F000-memory.dmp

Filesize
4KB

Download
memory/2932-3-0x0000000000530000-0x000000000054C000-memory.dmp

Filesize
112KB

Download
memory/2932-2-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download
memory/2932-1-0x0000000000B30000-0x0000000000C5A000-memory.dmp

Filesize
1.2MB

Download
memory/2932-0-0x000000007466E000-0x000000007466F000-memory.dmp

Filesize
4KB

Download