remcos | 932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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
2356	powershell.exe
2668	powershell.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 2140 set thread context of 2044	2140	1d818c67cd7b934a84588a3207b2e50a.exe	39

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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
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

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
2608	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2140	1d818c67cd7b934a84588a3207b2e50a.exe
2140	1d818c67cd7b934a84588a3207b2e50a.exe
2140	1d818c67cd7b934a84588a3207b2e50a.exe
2356	powershell.exe
2668	powershell.exe
2140	1d818c67cd7b934a84588a3207b2e50a.exe
2140	1d818c67cd7b934a84588a3207b2e50a.exe
2140	1d818c67cd7b934a84588a3207b2e50a.exe
2140	1d818c67cd7b934a84588a3207b2e50a.exe
2140	1d818c67cd7b934a84588a3207b2e50a.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2140	1d818c67cd7b934a84588a3207b2e50a.exe
Token: SeDebugPrivilege	2356	powershell.exe
Token: SeDebugPrivilege	2668	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2044	vbc.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 2140 wrote to memory of 2356	2140	1d818c67cd7b934a84588a3207b2e50a.exe	30
PID 2140 wrote to memory of 2356	2140	1d818c67cd7b934a84588a3207b2e50a.exe	30
PID 2140 wrote to memory of 2356	2140	1d818c67cd7b934a84588a3207b2e50a.exe	30
PID 2140 wrote to memory of 2356	2140	1d818c67cd7b934a84588a3207b2e50a.exe	30
PID 2140 wrote to memory of 2668	2140	1d818c67cd7b934a84588a3207b2e50a.exe	32
PID 2140 wrote to memory of 2668	2140	1d818c67cd7b934a84588a3207b2e50a.exe	32
PID 2140 wrote to memory of 2668	2140	1d818c67cd7b934a84588a3207b2e50a.exe	32
PID 2140 wrote to memory of 2668	2140	1d818c67cd7b934a84588a3207b2e50a.exe	32
PID 2140 wrote to memory of 2608	2140	1d818c67cd7b934a84588a3207b2e50a.exe	34
PID 2140 wrote to memory of 2608	2140	1d818c67cd7b934a84588a3207b2e50a.exe	34
PID 2140 wrote to memory of 2608	2140	1d818c67cd7b934a84588a3207b2e50a.exe	34
PID 2140 wrote to memory of 2608	2140	1d818c67cd7b934a84588a3207b2e50a.exe	34
PID 2140 wrote to memory of 2560	2140	1d818c67cd7b934a84588a3207b2e50a.exe	36
PID 2140 wrote to memory of 2560	2140	1d818c67cd7b934a84588a3207b2e50a.exe	36
PID 2140 wrote to memory of 2560	2140	1d818c67cd7b934a84588a3207b2e50a.exe	36
PID 2140 wrote to memory of 2560	2140	1d818c67cd7b934a84588a3207b2e50a.exe	36
PID 2140 wrote to memory of 1104	2140	1d818c67cd7b934a84588a3207b2e50a.exe	37
PID 2140 wrote to memory of 1104	2140	1d818c67cd7b934a84588a3207b2e50a.exe	37
PID 2140 wrote to memory of 1104	2140	1d818c67cd7b934a84588a3207b2e50a.exe	37
PID 2140 wrote to memory of 1104	2140	1d818c67cd7b934a84588a3207b2e50a.exe	37
PID 2140 wrote to memory of 2928	2140	1d818c67cd7b934a84588a3207b2e50a.exe	38
PID 2140 wrote to memory of 2928	2140	1d818c67cd7b934a84588a3207b2e50a.exe	38
PID 2140 wrote to memory of 2928	2140	1d818c67cd7b934a84588a3207b2e50a.exe	38
PID 2140 wrote to memory of 2928	2140	1d818c67cd7b934a84588a3207b2e50a.exe	38
PID 2140 wrote to memory of 2044	2140	1d818c67cd7b934a84588a3207b2e50a.exe	39
PID 2140 wrote to memory of 2044	2140	1d818c67cd7b934a84588a3207b2e50a.exe	39
PID 2140 wrote to memory of 2044	2140	1d818c67cd7b934a84588a3207b2e50a.exe	39
PID 2140 wrote to memory of 2044	2140	1d818c67cd7b934a84588a3207b2e50a.exe	39
PID 2140 wrote to memory of 2044	2140	1d818c67cd7b934a84588a3207b2e50a.exe	39
PID 2140 wrote to memory of 2044	2140	1d818c67cd7b934a84588a3207b2e50a.exe	39
PID 2140 wrote to memory of 2044	2140	1d818c67cd7b934a84588a3207b2e50a.exe	39
PID 2140 wrote to memory of 2044	2140	1d818c67cd7b934a84588a3207b2e50a.exe	39
PID 2140 wrote to memory of 2044	2140	1d818c67cd7b934a84588a3207b2e50a.exe	39
PID 2140 wrote to memory of 2044	2140	1d818c67cd7b934a84588a3207b2e50a.exe	39
PID 2140 wrote to memory of 2044	2140	1d818c67cd7b934a84588a3207b2e50a.exe	39
PID 2140 wrote to memory of 2044	2140	1d818c67cd7b934a84588a3207b2e50a.exe	39
PID 2140 wrote to memory of 2044	2140	1d818c67cd7b934a84588a3207b2e50a.exe	39

C:\Users\Admin\AppData\Local\Temp\1d818c67cd7b934a84588a3207b2e50a.exe
"C:\Users\Admin\AppData\Local\Temp\1d818c67cd7b934a84588a3207b2e50a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2140
- 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:2356
- 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:2668
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wTTruYPumnUe" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAAB1.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2608
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:2560
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:1104
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:2928
- 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:2044

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

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
6bcf083bec6d034e015a17bb0ff40436

SHA1
57ecedd952353a95a8e2cdf6458ef50f4dcd9e2c

SHA256
23a510ecc92103ae6e47f105634f3c01afff6222951c6c21ce9c704c47490d90

SHA512
eed7c52c038e5c666d53a0d1f2a8fe814827fcc2aff728de9e911923a3ff0596077d8bf14c0b922810190f4897640d3628083730caedce20e494d2a3a5f00da0

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpAAB1.tmp

Filesize
1KB

MD5
ad2faadc4e62c92e5cd846d22f99533c

SHA1
d0032f6c9768174bb694fe56462a882abe39acb8

SHA256
362218ab7a3c1b17b80fe63bf1493663c536bc3c0ecd3b0c3eb556920537b08f

SHA512
ca71c7075bea0a3d8e1b999476d91bb7474668e7cecc7868d293a1411b01655bf784fd4b499eecfe47c85fea1ac68a14ee64d9c279c8083c142410159de151a6

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
5267018f40accf4062544dd7b8e875ee

SHA1
f5e71884a19e1a736c3b94c73af86ae4d7a3ddff

SHA256
e8c36c604474a39148ebf2925c219e34c22e34cd13e700710952739939693832

SHA512
25f8e6efebc913469cd18446464be03943dbd9341e088812bdfbeeeacc753062062e19f1635c2b7de96324c607f73a5210670258b61c020d6fd2516a5b67092e

Download Submit
memory/2044-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2044-83-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2044-84-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2044-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2044-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2044-75-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2044-76-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2044-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2044-36-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2044-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2044-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2044-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2044-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2044-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2044-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2044-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2044-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2044-68-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2044-67-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2044-60-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2044-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2044-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2044-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2044-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2044-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2044-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2044-52-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2044-51-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2140-1-0x0000000000310000-0x00000000003F2000-memory.dmp

Filesize
904KB

Download
memory/2140-43-0x0000000074150000-0x000000007483E000-memory.dmp

Filesize
6.9MB

Download
memory/2140-4-0x0000000000650000-0x0000000000660000-memory.dmp

Filesize
64KB

Download
memory/2140-6-0x0000000074150000-0x000000007483E000-memory.dmp

Filesize
6.9MB

Download
memory/2140-0-0x000000007415E000-0x000000007415F000-memory.dmp

Filesize
4KB

Download
memory/2140-2-0x0000000074150000-0x000000007483E000-memory.dmp

Filesize
6.9MB

Download
memory/2140-3-0x0000000004FE0000-0x00000000050BA000-memory.dmp

Filesize
872KB

Download
memory/2140-7-0x00000000054E0000-0x00000000055A0000-memory.dmp

Filesize
768KB

Download
memory/2140-5-0x000000007415E000-0x000000007415F000-memory.dmp

Filesize
4KB

Download