remcos | 932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30-09-2024 23:11

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General

Target

1d818c67cd7b934a84588a3207b2e50a.exe
Size

879KB
MD5

1d818c67cd7b934a84588a3207b2e50a
SHA1

f143719dafea314eb6ae638e9a7694da54c3a445
SHA256

932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d
SHA512

41e68271ed5c52427c1e9953bc3ac9c0562541a186a6a44712602dd88968fdd2d896f3c56dccc39dac512c9885e0eb9c194d26f148ce484418b001d1bf60401e
SSDEEP

24576:Ovd+fC6BjsHpE+dOj+18tyAgajKCzMlTyFjSIi0/:O1+a6NsHp3MlhOGM1mO0/

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

www.c42staging.com:2404

www.vdoclabs.com:2404

www.ozkol-aluminyum.com:2404

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
dfghj
mouse_option
false
mutex
Rmc-QCH1J0
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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2124	powershell.exe
964	powershell.exe

Checks computer location settings 2 TTPs 1 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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	1d818c67cd7b934a84588a3207b2e50a.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3316 set thread context of 2448	3316	1d818c67cd7b934a84588a3207b2e50a.exe	91

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 5 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1d818c67cd7b934a84588a3207b2e50a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2164	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3316	1d818c67cd7b934a84588a3207b2e50a.exe
2124	powershell.exe
964	powershell.exe
3316	1d818c67cd7b934a84588a3207b2e50a.exe
3316	1d818c67cd7b934a84588a3207b2e50a.exe
3316	1d818c67cd7b934a84588a3207b2e50a.exe
964	powershell.exe
2124	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3316	1d818c67cd7b934a84588a3207b2e50a.exe
Token: SeDebugPrivilege	2124	powershell.exe
Token: SeDebugPrivilege	964	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2448	vbc.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 3316 wrote to memory of 2124	3316	1d818c67cd7b934a84588a3207b2e50a.exe	84
PID 3316 wrote to memory of 2124	3316	1d818c67cd7b934a84588a3207b2e50a.exe	84
PID 3316 wrote to memory of 2124	3316	1d818c67cd7b934a84588a3207b2e50a.exe	84
PID 3316 wrote to memory of 964	3316	1d818c67cd7b934a84588a3207b2e50a.exe	86
PID 3316 wrote to memory of 964	3316	1d818c67cd7b934a84588a3207b2e50a.exe	86
PID 3316 wrote to memory of 964	3316	1d818c67cd7b934a84588a3207b2e50a.exe	86
PID 3316 wrote to memory of 2164	3316	1d818c67cd7b934a84588a3207b2e50a.exe	88
PID 3316 wrote to memory of 2164	3316	1d818c67cd7b934a84588a3207b2e50a.exe	88
PID 3316 wrote to memory of 2164	3316	1d818c67cd7b934a84588a3207b2e50a.exe	88
PID 3316 wrote to memory of 556	3316	1d818c67cd7b934a84588a3207b2e50a.exe	90
PID 3316 wrote to memory of 556	3316	1d818c67cd7b934a84588a3207b2e50a.exe	90
PID 3316 wrote to memory of 556	3316	1d818c67cd7b934a84588a3207b2e50a.exe	90
PID 3316 wrote to memory of 2448	3316	1d818c67cd7b934a84588a3207b2e50a.exe	91
PID 3316 wrote to memory of 2448	3316	1d818c67cd7b934a84588a3207b2e50a.exe	91
PID 3316 wrote to memory of 2448	3316	1d818c67cd7b934a84588a3207b2e50a.exe	91
PID 3316 wrote to memory of 2448	3316	1d818c67cd7b934a84588a3207b2e50a.exe	91
PID 3316 wrote to memory of 2448	3316	1d818c67cd7b934a84588a3207b2e50a.exe	91
PID 3316 wrote to memory of 2448	3316	1d818c67cd7b934a84588a3207b2e50a.exe	91
PID 3316 wrote to memory of 2448	3316	1d818c67cd7b934a84588a3207b2e50a.exe	91
PID 3316 wrote to memory of 2448	3316	1d818c67cd7b934a84588a3207b2e50a.exe	91
PID 3316 wrote to memory of 2448	3316	1d818c67cd7b934a84588a3207b2e50a.exe	91
PID 3316 wrote to memory of 2448	3316	1d818c67cd7b934a84588a3207b2e50a.exe	91
PID 3316 wrote to memory of 2448	3316	1d818c67cd7b934a84588a3207b2e50a.exe	91
PID 3316 wrote to memory of 2448	3316	1d818c67cd7b934a84588a3207b2e50a.exe	91

C:\Users\Admin\AppData\Local\Temp\1d818c67cd7b934a84588a3207b2e50a.exe
"C:\Users\Admin\AppData\Local\Temp\1d818c67cd7b934a84588a3207b2e50a.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3316
- 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\1d818c67cd7b934a84588a3207b2e50a.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2124
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wTTruYPumnUe.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:964
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wTTruYPumnUe" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF915.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2164
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:556
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2448

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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:\ProgramData\dfghj\logs.dat

Filesize
144B

MD5
9a91f21b0fbeb92b7f0e7dc6da9587cf

SHA1
ce7776e8386672d8fd9e87fb12b036961876d9ed

SHA256
e3f34dc48b3e29b0eea7784b1fe353fc48eb1196511f1a6354ca66bd369b7ff5

SHA512
3d6c03af99cc49eca7c6719b87aaf6268e4e6882eb5882515f2453d0558fbe2b8f83fad4fcad782899cf57a8eb5b65bde9cfa69c32e7b7d5555306d20d5cf38c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
c429b9f06154b3b7bd39cdffc53c84a9

SHA1
b190a67d9d3a68217c54ede01f8520f0eee081a2

SHA256
1b480fdf5220e06deddc9d3cc3de8aa965a99f5290e290f0a6551f7f986d61fd

SHA512
840dbe17048441046118c366fdc1919deb6570835c4a10d2bb98d26de9b109be351d78adf050c334d3ce468d7c095dd5c3ab46c5b654655d7bb8a66b0e321c6f

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bni1l0bq.f0k.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF915.tmp

Filesize
1KB

MD5
a11a871812fedcc92f3dd962d054a6a6

SHA1
03b909cbb407ec8474441fced07fc16cf4bed4c8

SHA256
6d8f5181218cce7a4566ecda3cf0195b037e0070fec4cb640b62f54e8425f539

SHA512
b321022e9636d32ffa1143bf3ad70f0f22ef5dd767839cd587b2094bfbfa46f23478b84288bd3d76fd5bfde4169c406f9a7437c78a6ebb1e8281b3a82c1dfa6b

Download Submit
memory/964-83-0x0000000007280000-0x000000000728A000-memory.dmp

Filesize
40KB

Download
memory/964-87-0x0000000007410000-0x0000000007421000-memory.dmp

Filesize
68KB

Download
memory/964-86-0x0000000007490000-0x0000000007526000-memory.dmp

Filesize
600KB

Download
memory/964-23-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/964-70-0x00000000064E0000-0x00000000064FE000-memory.dmp

Filesize
120KB

Download
memory/964-59-0x0000000075600000-0x000000007564C000-memory.dmp

Filesize
304KB

Download
memory/964-56-0x0000000005F90000-0x0000000005FDC000-memory.dmp

Filesize
304KB

Download
memory/964-55-0x0000000005ED0000-0x0000000005EEE000-memory.dmp

Filesize
120KB

Download
memory/964-90-0x0000000007450000-0x0000000007464000-memory.dmp

Filesize
80KB

Download
memory/964-53-0x0000000005790000-0x0000000005AE4000-memory.dmp

Filesize
3.3MB

Download
memory/964-24-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/964-101-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/964-22-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/2124-19-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/2124-58-0x0000000006E40000-0x0000000006E72000-memory.dmp

Filesize
200KB

Download
memory/2124-92-0x0000000007310000-0x0000000007318000-memory.dmp

Filesize
32KB

Download
memory/2124-26-0x0000000005530000-0x0000000005552000-memory.dmp

Filesize
136KB

Download
memory/2124-38-0x00000000056E0000-0x0000000005746000-memory.dmp

Filesize
408KB

Download
memory/2124-37-0x0000000005600000-0x0000000005666000-memory.dmp

Filesize
408KB

Download
memory/2124-91-0x0000000007330000-0x000000000734A000-memory.dmp

Filesize
104KB

Download
memory/2124-18-0x0000000004E10000-0x0000000005438000-memory.dmp

Filesize
6.2MB

Download
memory/2124-89-0x0000000007220000-0x000000000722E000-memory.dmp

Filesize
56KB

Download
memory/2124-100-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/2124-17-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/2124-20-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/2124-82-0x0000000006FF0000-0x000000000700A000-memory.dmp

Filesize
104KB

Download
memory/2124-16-0x0000000002390000-0x00000000023C6000-memory.dmp

Filesize
216KB

Download
memory/2124-81-0x0000000007630000-0x0000000007CAA000-memory.dmp

Filesize
6.5MB

Download
memory/2124-80-0x0000000006EB0000-0x0000000006F53000-memory.dmp

Filesize
652KB

Download
memory/2124-60-0x0000000075600000-0x000000007564C000-memory.dmp

Filesize
304KB

Download
memory/2448-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2448-85-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2448-121-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2448-57-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2448-129-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2448-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2448-120-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2448-84-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2448-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2448-128-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2448-113-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2448-88-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2448-136-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2448-112-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2448-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2448-137-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2448-94-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2448-105-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2448-104-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3316-7-0x0000000005920000-0x0000000005930000-memory.dmp

Filesize
64KB

Download
memory/3316-2-0x0000000005970000-0x0000000005F14000-memory.dmp

Filesize
5.6MB

Download
memory/3316-3-0x0000000005460000-0x00000000054F2000-memory.dmp

Filesize
584KB

Download
memory/3316-4-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/3316-1-0x0000000000930000-0x0000000000A12000-memory.dmp

Filesize
904KB

Download
memory/3316-5-0x0000000005410000-0x000000000541A000-memory.dmp

Filesize
40KB

Download
memory/3316-6-0x0000000006A90000-0x0000000006B6A000-memory.dmp

Filesize
872KB

Download
memory/3316-8-0x0000000074D7E000-0x0000000074D7F000-memory.dmp

Filesize
4KB

Download
memory/3316-9-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/3316-10-0x0000000006F50000-0x0000000007010000-memory.dmp

Filesize
768KB

Download
memory/3316-11-0x0000000009660000-0x00000000096FC000-memory.dmp

Filesize
624KB

Download
memory/3316-54-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/3316-0-0x0000000074D7E000-0x0000000074D7F000-memory.dmp

Filesize
4KB

Download