remcos | e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e

Analysis

max time kernel
151s
max time network
154s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 23:37

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General

Target

JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe
Size

300.0MB
MD5

c4c2beda15179f6664a458f36d2c290d
SHA1

3ce80b1ac6a5cf4f3cb3c127223a161023e0be59
SHA256

e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e
SHA512

c91ee4c2a462090362bb7cd27c6c3b1db4423b6fd5761fe4f16885a5858ad8936d264fbb12ca9a24cb8ddd15c4df1779c0461ce73d2b0dde814aae08aaefe863
SSDEEP

12288:7rThwUxpprVUKi0LVUDdz71Cmv0gLpsmT4Rhni6ivmZ:jh1prTi0odz7AWeo4RhMvU

Score

10^/10

remcos comrade march-21 discovery rat

Malware Config

Extracted

Family

remcos

Botnet

COMRADE MARCH-21

comaand-marc-21.duckdns.org:30288

Attributes

audio_folder
MicRecords
audio_path
%AppData%
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
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
sms-audio
keylog_path
%AppData%
mouse_option
false
mutex
Snappy1yld7-2Q760T
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
take_screenshot_title
notepad;solitaire;

Signatures

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

Executes dropped EXE 2 IoCs

pid	Process
2276	zoomint.exe
2664	zoomint.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2880 set thread context of 2728	2880	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	36
PID 2276 set thread context of 1856	2276	zoomint.exe	43

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 11 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	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zoomint.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zoomint.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2664	schtasks.exe
1952	schtasks.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2728	RegAsm.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2880 wrote to memory of 2680	2880	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	31
PID 2880 wrote to memory of 2680	2880	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	31
PID 2880 wrote to memory of 2680	2880	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	31
PID 2880 wrote to memory of 2680	2880	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	31
PID 2880 wrote to memory of 2708	2880	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	33
PID 2880 wrote to memory of 2708	2880	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	33
PID 2880 wrote to memory of 2708	2880	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	33
PID 2880 wrote to memory of 2708	2880	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	33
PID 2680 wrote to memory of 2664	2680	cmd.exe	35
PID 2680 wrote to memory of 2664	2680	cmd.exe	35
PID 2680 wrote to memory of 2664	2680	cmd.exe	35
PID 2680 wrote to memory of 2664	2680	cmd.exe	35
PID 2880 wrote to memory of 2728	2880	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	36
PID 2880 wrote to memory of 2728	2880	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	36
PID 2880 wrote to memory of 2728	2880	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	36
PID 2880 wrote to memory of 2728	2880	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	36
PID 2880 wrote to memory of 2728	2880	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	36
PID 2880 wrote to memory of 2728	2880	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	36
PID 2880 wrote to memory of 2728	2880	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	36
PID 2880 wrote to memory of 2728	2880	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	36
PID 2880 wrote to memory of 2728	2880	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	36
PID 2880 wrote to memory of 2728	2880	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	36
PID 2880 wrote to memory of 2728	2880	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	36
PID 2880 wrote to memory of 2728	2880	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	36
PID 2880 wrote to memory of 2728	2880	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	36
PID 2880 wrote to memory of 2728	2880	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	36
PID 2880 wrote to memory of 2728	2880	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	36
PID 2880 wrote to memory of 2728	2880	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	36
PID 2216 wrote to memory of 2276	2216	taskeng.exe	38
PID 2216 wrote to memory of 2276	2216	taskeng.exe	38
PID 2216 wrote to memory of 2276	2216	taskeng.exe	38
PID 2216 wrote to memory of 2276	2216	taskeng.exe	38
PID 2276 wrote to memory of 1624	2276	zoomint.exe	39
PID 2276 wrote to memory of 1624	2276	zoomint.exe	39
PID 2276 wrote to memory of 1624	2276	zoomint.exe	39
PID 2276 wrote to memory of 1624	2276	zoomint.exe	39
PID 2276 wrote to memory of 1708	2276	zoomint.exe	40
PID 2276 wrote to memory of 1708	2276	zoomint.exe	40
PID 2276 wrote to memory of 1708	2276	zoomint.exe	40
PID 2276 wrote to memory of 1708	2276	zoomint.exe	40
PID 2276 wrote to memory of 1856	2276	zoomint.exe	43
PID 2276 wrote to memory of 1856	2276	zoomint.exe	43
PID 2276 wrote to memory of 1856	2276	zoomint.exe	43
PID 2276 wrote to memory of 1856	2276	zoomint.exe	43
PID 2276 wrote to memory of 1856	2276	zoomint.exe	43
PID 2276 wrote to memory of 1856	2276	zoomint.exe	43
PID 2276 wrote to memory of 1856	2276	zoomint.exe	43
PID 1624 wrote to memory of 1952	1624	cmd.exe	44
PID 1624 wrote to memory of 1952	1624	cmd.exe	44
PID 1624 wrote to memory of 1952	1624	cmd.exe	44
PID 1624 wrote to memory of 1952	1624	cmd.exe	44
PID 2276 wrote to memory of 1856	2276	zoomint.exe	43
PID 2276 wrote to memory of 1856	2276	zoomint.exe	43
PID 2276 wrote to memory of 1856	2276	zoomint.exe	43
PID 2276 wrote to memory of 1856	2276	zoomint.exe	43
PID 2276 wrote to memory of 1856	2276	zoomint.exe	43
PID 2276 wrote to memory of 1856	2276	zoomint.exe	43
PID 2276 wrote to memory of 1856	2276	zoomint.exe	43
PID 2276 wrote to memory of 1856	2276	zoomint.exe	43
PID 2276 wrote to memory of 1856	2276	zoomint.exe	43
PID 2216 wrote to memory of 2664	2216	taskeng.exe	45
PID 2216 wrote to memory of 2664	2216	taskeng.exe	45
PID 2216 wrote to memory of 2664	2216	taskeng.exe	45
PID 2216 wrote to memory of 2664	2216	taskeng.exe	45

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2880
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C schtasks /create /sc minute /mo 1 /tn "Nadnasia" /tr "'C:\Users\Admin\AppData\Roaming\zoomint.exe'" /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2680
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "Nadnasia" /tr "'C:\Users\Admin\AppData\Roaming\zoomint.exe'" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2664
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C copy "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe" "C:\Users\Admin\AppData\Roaming\zoomint.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2708
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2728

C:\Windows\system32\taskeng.exe
taskeng.exe {2DA57D46-6C2C-4145-9527-FFDF3D083CC9} S-1-5-21-2039016743-699959520-214465309-1000:PIDEURYY\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Users\Admin\AppData\Roaming\zoomint.exe
  C:\Users\Admin\AppData\Roaming\zoomint.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2276
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /C schtasks /create /sc minute /mo 1 /tn "Nadnasia" /tr "'C:\Users\Admin\AppData\Roaming\zoomint.exe'" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1624
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /sc minute /mo 1 /tn "Nadnasia" /tr "'C:\Users\Admin\AppData\Roaming\zoomint.exe'" /f
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:1952
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /C copy "C:\Users\Admin\AppData\Roaming\zoomint.exe" "C:\Users\Admin\AppData\Roaming\zoomint.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1708
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1856
- C:\Users\Admin\AppData\Roaming\zoomint.exe
  C:\Users\Admin\AppData\Roaming\zoomint.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

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Downloads

memory/2276-75-0x0000000000EC0000-0x0000000000F70000-memory.dmp

Filesize
704KB

Download
memory/2664-151-0x00000000001B0000-0x0000000000260000-memory.dmp

Filesize
704KB

Download
memory/2728-43-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-15-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-72-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-8-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-45-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-14-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-12-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-10-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-7-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2728-6-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-5-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-20-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-71-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-23-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-25-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-28-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-29-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-30-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-31-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-32-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-33-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-35-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-36-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-37-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-38-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-39-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-40-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-41-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-42-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-44-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-70-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-69-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-46-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-47-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-48-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-49-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-50-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-51-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-52-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-53-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-54-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-55-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-56-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-57-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-58-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-59-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-60-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-61-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-62-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-63-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-64-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-65-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-66-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-67-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-68-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2880-3-0x0000000074CCE000-0x0000000074CCF000-memory.dmp

Filesize
4KB

Download
memory/2880-4-0x0000000074CC0000-0x00000000753AE000-memory.dmp

Filesize
6.9MB

Download
memory/2880-22-0x0000000074CC0000-0x00000000753AE000-memory.dmp

Filesize
6.9MB

Download
memory/2880-0-0x0000000074CCE000-0x0000000074CCF000-memory.dmp

Filesize
4KB

Download
memory/2880-2-0x0000000074CC0000-0x00000000753AE000-memory.dmp

Filesize
6.9MB

Download
memory/2880-1-0x00000000011A0000-0x0000000001250000-memory.dmp

Filesize
704KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads