remcos | af6054c52f9d147fe0dd9efd156d20d1be517145a61576c9ac065e4b99a66c3e

Analysis

max time kernel
150s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-09-2024 01:14

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General

Target

6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe
Size

914KB
MD5

57c246dd2b2221edbfd54ff9246a0099
SHA1

3e4dc6e19407ff041b25629082a90382be7b957f
SHA256

6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96
SHA512

5a49e14dfaa8b6f53bc9e5da299f43d199389ded897c9a23ec6615c396bc83e6589787f0704fa097c395296d643fd0b6b3e83dbdddad385d2ee5af5825cea9e2
SSDEEP

24576:+Eb5NCjPBS2nv0frerFWM+u848EUjooYgyUKHdw:N5N+5S2nv0fKxIuRUjoSK

Score

10^/10

remcos throttle_8967 discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

throttle_8967

154.216.18.217:8967

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
remcos
mouse_option
false
mutex
Rmc-4SV4HO
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
2676	powershell.exe
2816	powershell.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1392 set thread context of 2708	1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe	38

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	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe
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

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
2688	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe
1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe
1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe
1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe
1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe
1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe
1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe
1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe
1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe
2816	powershell.exe
2676	powershell.exe
1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe
Token: SeDebugPrivilege	2816	powershell.exe
Token: SeDebugPrivilege	2676	powershell.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 1392 wrote to memory of 2676	1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe	31
PID 1392 wrote to memory of 2676	1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe	31
PID 1392 wrote to memory of 2676	1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe	31
PID 1392 wrote to memory of 2676	1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe	31
PID 1392 wrote to memory of 2816	1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe	33
PID 1392 wrote to memory of 2816	1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe	33
PID 1392 wrote to memory of 2816	1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe	33
PID 1392 wrote to memory of 2816	1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe	33
PID 1392 wrote to memory of 2688	1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe	34
PID 1392 wrote to memory of 2688	1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe	34
PID 1392 wrote to memory of 2688	1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe	34
PID 1392 wrote to memory of 2688	1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe	34
PID 1392 wrote to memory of 2476	1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe	37
PID 1392 wrote to memory of 2476	1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe	37
PID 1392 wrote to memory of 2476	1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe	37
PID 1392 wrote to memory of 2476	1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe	37
PID 1392 wrote to memory of 2708	1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe	38
PID 1392 wrote to memory of 2708	1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe	38
PID 1392 wrote to memory of 2708	1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe	38
PID 1392 wrote to memory of 2708	1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe	38
PID 1392 wrote to memory of 2708	1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe	38
PID 1392 wrote to memory of 2708	1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe	38
PID 1392 wrote to memory of 2708	1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe	38
PID 1392 wrote to memory of 2708	1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe	38
PID 1392 wrote to memory of 2708	1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe	38
PID 1392 wrote to memory of 2708	1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe	38
PID 1392 wrote to memory of 2708	1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe	38
PID 1392 wrote to memory of 2708	1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe	38
PID 1392 wrote to memory of 2708	1392	6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe	38

C:\Users\Admin\AppData\Local\Temp\6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe
"C:\Users\Admin\AppData\Local\Temp\6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1392
- 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\6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2676
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VdrrjnwYc.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2816
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VdrrjnwYc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp455A.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2688
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:2476
- 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
  PID:2708

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

Scripting

T1064

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Scripting

T1064

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:\Users\Admin\AppData\Local\Temp\tmp455A.tmp

Filesize
1KB

MD5
f89f8fc6670be6eb723c548d6411ff67

SHA1
ebdfe0e9afce77e7ab6b442553c0ba081a9c0703

SHA256
dc0c57b411333be0b56dcfbcc1f5c209c95b39bdc8e105b47d34e13955a31759

SHA512
07c3997aff154ce478b65d3ace130373276e020521fef66ebc52845614a7f79ce1f361d28e81be181104509182da1a06092331fdea2d8465ef8b8092cc5e727d

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

Filesize
7KB

MD5
8a00f86da02c819a391d69e503540a70

SHA1
0be6f6a4700d2a7ea670df980bae0e643e978b5e

SHA256
cda30f63ee10bbe13d064f5b8ed4c5da9527b5057d5c10bc347f698f18da6fb0

SHA512
dbb490c866d13b43129c0ebd036c037aeb0adbc0625745fadecd03030dad10641b005ffa93fd876a4073f1853e7ab78443a5b935010aa1537fe7eee8f03775f9

Download Submit
memory/1392-0-0x000000007467E000-0x000000007467F000-memory.dmp

Filesize
4KB

Download
memory/1392-1-0x0000000000240000-0x000000000032A000-memory.dmp

Filesize
936KB

Download
memory/1392-2-0x0000000074670000-0x0000000074D5E000-memory.dmp

Filesize
6.9MB

Download
memory/1392-3-0x0000000000540000-0x0000000000558000-memory.dmp

Filesize
96KB

Download
memory/1392-4-0x000000007467E000-0x000000007467F000-memory.dmp

Filesize
4KB

Download
memory/1392-5-0x0000000074670000-0x0000000074D5E000-memory.dmp

Filesize
6.9MB

Download
memory/1392-6-0x00000000054B0000-0x0000000005570000-memory.dmp

Filesize
768KB

Download
memory/1392-40-0x0000000074670000-0x0000000074D5E000-memory.dmp

Filesize
6.9MB

Download
memory/2708-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-35-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2708-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-51-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-52-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-53-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-54-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-56-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-57-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-58-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-60-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-61-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-62-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-63-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-64-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-65-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-66-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-67-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-68-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-69-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-70-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-71-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-72-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-73-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-74-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-75-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-76-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-77-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-78-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-79-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-80-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-81-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-82-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2708-83-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download