remcos | e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e

Analysis

max time kernel
151s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	zoomint.exe

Executes dropped EXE 2 IoCs

pid	Process
4360	zoomint.exe
2068	zoomint.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3068 set thread context of 2728	3068	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	101
PID 4360 set thread context of 1028	4360	zoomint.exe	110

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4832	1028	WerFault.exe	110

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	zoomint.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	schtasks.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	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.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
1916	schtasks.exe
884	schtasks.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2728	RegAsm.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 3716	3068	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	97
PID 3068 wrote to memory of 3716	3068	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	97
PID 3068 wrote to memory of 3716	3068	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	97
PID 3068 wrote to memory of 1004	3068	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	99
PID 3068 wrote to memory of 1004	3068	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	99
PID 3068 wrote to memory of 1004	3068	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	99
PID 3068 wrote to memory of 2728	3068	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	101
PID 3068 wrote to memory of 2728	3068	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	101
PID 3068 wrote to memory of 2728	3068	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	101
PID 3068 wrote to memory of 2728	3068	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	101
PID 3068 wrote to memory of 2728	3068	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	101
PID 3068 wrote to memory of 2728	3068	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	101
PID 3068 wrote to memory of 2728	3068	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	101
PID 3068 wrote to memory of 2728	3068	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	101
PID 3068 wrote to memory of 2728	3068	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	101
PID 3068 wrote to memory of 2728	3068	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	101
PID 3068 wrote to memory of 2728	3068	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	101
PID 3068 wrote to memory of 2728	3068	JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe	101
PID 3716 wrote to memory of 1916	3716	cmd.exe	102
PID 3716 wrote to memory of 1916	3716	cmd.exe	102
PID 3716 wrote to memory of 1916	3716	cmd.exe	102
PID 4360 wrote to memory of 2896	4360	zoomint.exe	106
PID 4360 wrote to memory of 2896	4360	zoomint.exe	106
PID 4360 wrote to memory of 2896	4360	zoomint.exe	106
PID 4360 wrote to memory of 4648	4360	zoomint.exe	108
PID 4360 wrote to memory of 4648	4360	zoomint.exe	108
PID 4360 wrote to memory of 4648	4360	zoomint.exe	108
PID 4360 wrote to memory of 1028	4360	zoomint.exe	110
PID 4360 wrote to memory of 1028	4360	zoomint.exe	110
PID 4360 wrote to memory of 1028	4360	zoomint.exe	110
PID 4360 wrote to memory of 1028	4360	zoomint.exe	110
PID 4360 wrote to memory of 1028	4360	zoomint.exe	110
PID 4360 wrote to memory of 1028	4360	zoomint.exe	110
PID 4360 wrote to memory of 1028	4360	zoomint.exe	110
PID 4360 wrote to memory of 1028	4360	zoomint.exe	110
PID 4360 wrote to memory of 1028	4360	zoomint.exe	110
PID 4360 wrote to memory of 1028	4360	zoomint.exe	110
PID 4360 wrote to memory of 1028	4360	zoomint.exe	110
PID 4360 wrote to memory of 1028	4360	zoomint.exe	110
PID 2896 wrote to memory of 884	2896	cmd.exe	111
PID 2896 wrote to memory of 884	2896	cmd.exe	111
PID 2896 wrote to memory of 884	2896	cmd.exe	111

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e5c85966816a4d1bf0b624712095bce065d7ba277ca7126e8e2d8951222baf4e.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3068
- 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:3716
- - 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:1916
- 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:1004
- 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:\Users\Admin\AppData\Roaming\zoomint.exe
C:\Users\Admin\AppData\Roaming\zoomint.exe
1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4360
- 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:2896
- - 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:884
- 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"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4648
- 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
  PID:1028
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1028 -s 632
    3⤵
    - Program crash
    PID:4832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1028 -ip 1028
1⤵
PID:4840

C:\Users\Admin\AppData\Roaming\zoomint.exe
C:\Users\Admin\AppData\Roaming\zoomint.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2068

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

Query Registry

T1012

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\zoomint.exe.log

Filesize
805B

MD5
6c0bd04f38620f0bad46fa4924904d74

SHA1
6458eb703025f724af7f4ce708fe74ebc1b3ef0f

SHA256
4adc6c8735d842f637912b16fd9f42e325406ac7c77540c23ac34d34b0a03277

SHA512
4f641f4201532365f545c60ad775be380c63af95fbf83638a2aaedb511aae2b163bc4dd9b8d2e3b958b95b62a44d3085a5a1088d0d0d6a1741d63f0e65a16409

Download Submit
memory/1028-75-0x0000000000510000-0x000000000058A000-memory.dmp

Filesize
488KB

Download
memory/1028-79-0x0000000000510000-0x000000000058A000-memory.dmp

Filesize
488KB

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

Filesize
488KB

Download
memory/2728-19-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

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

Filesize
488KB

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

Filesize
488KB

Download
memory/2728-17-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-71-0x0000000000400000-0x000000000047A000-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/2728-68-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-11-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

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

Filesize
488KB

Download
memory/2728-21-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-22-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

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

Filesize
488KB

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

Filesize
488KB

Download
memory/2728-26-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-27-0x0000000000400000-0x000000000047A000-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/2728-34-0x0000000000400000-0x000000000047A000-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/2728-9-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

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

Filesize
488KB

Download
memory/2728-13-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2728-24-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

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

Filesize
488KB

Download
memory/2728-45-0x0000000000400000-0x000000000047A000-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/2728-54-0x0000000000400000-0x000000000047A000-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/3068-6-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/3068-5-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

Filesize
4KB

Download
memory/3068-4-0x00000000058C0000-0x0000000005952000-memory.dmp

Filesize
584KB

Download
memory/3068-3-0x0000000005F90000-0x0000000006534000-memory.dmp

Filesize
5.6MB

Download
memory/3068-2-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/3068-1-0x0000000000E10000-0x0000000000EC0000-memory.dmp

Filesize
704KB

Download
memory/3068-0-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

Filesize
4KB

Download
memory/3068-15-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads