remcos | f5277278370d2ba066b6c402183d0c4204a6367a6f92ef261e18b1c40484b92c

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05/11/2024, 19:42

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General

Target

1bd73cc068f858e99861b797860bc4aeeb5b339ad92dcbc17d934d090f06d520.exe
Size

459KB
MD5

5baa9bb599abb45d2ae3eb2be49c229a
SHA1

74e470299380176e56fc343235215bede4d820fa
SHA256

1bd73cc068f858e99861b797860bc4aeeb5b339ad92dcbc17d934d090f06d520
SHA512

66cf73331ed2c974c7fc2858e40cad2e8ca5289036495ce83fbf1fde6509bb424e66623145db56c8392ed8630082a17bedce09e7fa05fdd91f6edf030a6c009b
SSDEEP

6144:6a4YiP1U/VOKRUz7mxE3oEhxv2gYnCLrbLM9iHul+jZ5mv9Qoj8lAOZZlvXI2FEW:6a4RU/U3AVE2gNrY9iH8+1YMfZlAOeG

Score

10^/10

remcos hopa discovery persistence rat

Malware Config

Extracted

Family

remcos

Version

3.3.0 Pro

Botnet

hopa

178.20.44.131:2405

my.bingoroll20.net:2405

my.bingoroll19.net:2405

my.bingoroll18.net:2405

Attributes

audio_folder
MicRecords
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
winmap.exe
copy_folder
winmap
delete_file
true
hide_file
true
hide_keylog_file
false
install_flag
true
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
pidron-PXIKI2
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
winmap
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

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	1bd73cc068f858e99861b797860bc4aeeb5b339ad92dcbc17d934d090f06d520.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\winmap = "\"C:\\Users\\Admin\\AppData\\Roaming\\winmap\\winmap.exe\""	1bd73cc068f858e99861b797860bc4aeeb5b339ad92dcbc17d934d090f06d520.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	winmap.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\winmap = "\"C:\\Users\\Admin\\AppData\\Roaming\\winmap\\winmap.exe\""	winmap.exe

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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	1bd73cc068f858e99861b797860bc4aeeb5b339ad92dcbc17d934d090f06d520.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	WScript.exe

Deletes itself 1 IoCs

pid	Process
1660	WScript.exe

Executes dropped EXE 1 IoCs

pid	Process
376	winmap.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winmap = "\"C:\\Users\\Admin\\AppData\\Roaming\\winmap\\winmap.exe\""	winmap.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\winmap = "\"C:\\Users\\Admin\\AppData\\Roaming\\winmap\\winmap.exe\""	winmap.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winmap = "\"C:\\Users\\Admin\\AppData\\Roaming\\winmap\\winmap.exe\""	1bd73cc068f858e99861b797860bc4aeeb5b339ad92dcbc17d934d090f06d520.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\winmap = "\"C:\\Users\\Admin\\AppData\\Roaming\\winmap\\winmap.exe\""	1bd73cc068f858e99861b797860bc4aeeb5b339ad92dcbc17d934d090f06d520.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 376 set thread context of 3492	376	winmap.exe	92

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	1bd73cc068f858e99861b797860bc4aeeb5b339ad92dcbc17d934d090f06d520.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winmap.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000_Classes\Local Settings	1bd73cc068f858e99861b797860bc4aeeb5b339ad92dcbc17d934d090f06d520.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1084 wrote to memory of 1660	1084	1bd73cc068f858e99861b797860bc4aeeb5b339ad92dcbc17d934d090f06d520.exe	87
PID 1084 wrote to memory of 1660	1084	1bd73cc068f858e99861b797860bc4aeeb5b339ad92dcbc17d934d090f06d520.exe	87
PID 1084 wrote to memory of 1660	1084	1bd73cc068f858e99861b797860bc4aeeb5b339ad92dcbc17d934d090f06d520.exe	87
PID 1660 wrote to memory of 1560	1660	WScript.exe	89
PID 1660 wrote to memory of 1560	1660	WScript.exe	89
PID 1660 wrote to memory of 1560	1660	WScript.exe	89
PID 1560 wrote to memory of 376	1560	cmd.exe	91
PID 1560 wrote to memory of 376	1560	cmd.exe	91
PID 1560 wrote to memory of 376	1560	cmd.exe	91
PID 376 wrote to memory of 3492	376	winmap.exe	92
PID 376 wrote to memory of 3492	376	winmap.exe	92
PID 376 wrote to memory of 3492	376	winmap.exe	92
PID 376 wrote to memory of 3492	376	winmap.exe	92
PID 376 wrote to memory of 3492	376	winmap.exe	92
PID 376 wrote to memory of 3492	376	winmap.exe	92
PID 376 wrote to memory of 3492	376	winmap.exe	92
PID 376 wrote to memory of 3492	376	winmap.exe	92
PID 376 wrote to memory of 3492	376	winmap.exe	92
PID 376 wrote to memory of 3492	376	winmap.exe	92
PID 376 wrote to memory of 3492	376	winmap.exe	92
PID 376 wrote to memory of 3492	376	winmap.exe	92

C:\Users\Admin\AppData\Local\Temp\1bd73cc068f858e99861b797860bc4aeeb5b339ad92dcbc17d934d090f06d520.exe
"C:\Users\Admin\AppData\Local\Temp\1bd73cc068f858e99861b797860bc4aeeb5b339ad92dcbc17d934d090f06d520.exe"
1⤵
- Adds policy Run key to start application
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1084
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"
  2⤵
  - Checks computer location settings
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1660
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\winmap\winmap.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1560
  - - C:\Users\Admin\AppData\Roaming\winmap\winmap.exe
      C:\Users\Admin\AppData\Roaming\winmap\winmap.exe
      4⤵
      Adds policy Run key to start application
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:376
    - - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\SysWOW64\svchost.exe
        5⤵
        
        PID:3492

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\install.vbs

Filesize
658B

MD5
5972d87f3b08615bfd8778dd5044e79c

SHA1
e230fc56247f6c510f1078a24ba5321dfd73eb91

SHA256
323f91b276a2542c87c2f71f042c247072b7f0447de282616baec042f14add4f

SHA512
21362a24c51685a6429922868b6480cc8f2d51b325069013f098b257ec31aa4e5b6cb94ce5e36b2a497a18454fdfd332c9d080bb05ba8a24aee841d7f58802f7

Download Submit
C:\Users\Admin\AppData\Roaming\winmap\winmap.exe

Filesize
459KB

MD5
5baa9bb599abb45d2ae3eb2be49c229a

SHA1
74e470299380176e56fc343235215bede4d820fa

SHA256
1bd73cc068f858e99861b797860bc4aeeb5b339ad92dcbc17d934d090f06d520

SHA512
66cf73331ed2c974c7fc2858e40cad2e8ca5289036495ce83fbf1fde6509bb424e66623145db56c8392ed8630082a17bedce09e7fa05fdd91f6edf030a6c009b

Download Submit
memory/3492-9-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/3492-10-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/3492-11-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/3492-12-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads