remcos | ce39a137b9ff86bf23d7c62480a804e8d25c8b9154e9792b669374ac7f92e192

Analysis

max time kernel
157s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
23/10/2023, 11:11

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General

Target

Cheque copy.exe
Size

1.0MB
MD5

23a617011a3d71135f895ed5fd643c6e
SHA1

15b7efb6dfa050ee1892a1112329ef360bc1317c
SHA256

ce39a137b9ff86bf23d7c62480a804e8d25c8b9154e9792b669374ac7f92e192
SHA512

0e7f3fe27c6ebd66a93291349f91db1e30dc88f0bc96064a935f6e5f42b93e6967e8a9101fae14a9e7d18224dcffb1e8402dab451f16e465550d960970e1fcad
SSDEEP

24576:tDDxs6gnAsLzJ6Wy3V6yANOVofLAw8meQcOQezIcLUCs:tDNs6gnAsL9O+gCfLAwdcOQYI

Score

10^/10

remcos fun rat

Malware Config

Extracted

Family

remcos

Botnet

fun

194.147.140.194:1998

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-62Q8OD
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

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-1-5-21-1873812795-1433807462-1429862679-1000\Control Panel\International\Geo\Nation	Cheque copy.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1444 set thread context of 2380	1444	Cheque copy.exe	99

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
2036	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
1444	Cheque copy.exe
1444	Cheque copy.exe
1444	Cheque copy.exe
1444	Cheque copy.exe
1444	Cheque copy.exe
1444	Cheque copy.exe
1444	Cheque copy.exe
1444	Cheque copy.exe
1444	Cheque copy.exe
1144	powershell.exe
1144	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1444	Cheque copy.exe
Token: SeDebugPrivilege	1144	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2380	Cheque copy.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1444 wrote to memory of 1144	1444	Cheque copy.exe	94
PID 1444 wrote to memory of 1144	1444	Cheque copy.exe	94
PID 1444 wrote to memory of 1144	1444	Cheque copy.exe	94
PID 1444 wrote to memory of 2036	1444	Cheque copy.exe	96
PID 1444 wrote to memory of 2036	1444	Cheque copy.exe	96
PID 1444 wrote to memory of 2036	1444	Cheque copy.exe	96
PID 1444 wrote to memory of 2248	1444	Cheque copy.exe	98
PID 1444 wrote to memory of 2248	1444	Cheque copy.exe	98
PID 1444 wrote to memory of 2248	1444	Cheque copy.exe	98
PID 1444 wrote to memory of 2380	1444	Cheque copy.exe	99
PID 1444 wrote to memory of 2380	1444	Cheque copy.exe	99
PID 1444 wrote to memory of 2380	1444	Cheque copy.exe	99
PID 1444 wrote to memory of 2380	1444	Cheque copy.exe	99
PID 1444 wrote to memory of 2380	1444	Cheque copy.exe	99
PID 1444 wrote to memory of 2380	1444	Cheque copy.exe	99
PID 1444 wrote to memory of 2380	1444	Cheque copy.exe	99
PID 1444 wrote to memory of 2380	1444	Cheque copy.exe	99
PID 1444 wrote to memory of 2380	1444	Cheque copy.exe	99
PID 1444 wrote to memory of 2380	1444	Cheque copy.exe	99
PID 1444 wrote to memory of 2380	1444	Cheque copy.exe	99
PID 1444 wrote to memory of 2380	1444	Cheque copy.exe	99

C:\Users\Admin\AppData\Local\Temp\Cheque copy.exe
"C:\Users\Admin\AppData\Local\Temp\Cheque copy.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1444
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SzKneWgZlzw.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1144
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SzKneWgZlzw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7395.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2036
- C:\Users\Admin\AppData\Local\Temp\Cheque copy.exe
  "C:\Users\Admin\AppData\Local\Temp\Cheque copy.exe"
  2⤵
  PID:2248
- C:\Users\Admin\AppData\Local\Temp\Cheque copy.exe
  "C:\Users\Admin\AppData\Local\Temp\Cheque copy.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2380

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
46600e1a05113752997a87b8f9c6606f

SHA1
be9826312dfaa3b662920a80a66c932db4cb5d69

SHA256
5a5fe701e5bf06dbccf7bf5e61fd2597036348fd27d61e0aee1316678a955129

SHA512
f9ef45a78ccb5f641eebe29192783c30f4901bb3bf0a1291c7e35447c147375879c8d21269c6e6885a98133bdca11050ac1c8795e4972867ee201763e4c4f817

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bjob5i0v.yuw.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7395.tmp

Filesize
1KB

MD5
3c9dbb2a10187a7019b27dc164aea819

SHA1
91ae106eb51162a8da28d8af1afe9d4a64d2240e

SHA256
371bc721c219ea23fc99c926b98f074e52a82d89b47d53e46ae3ba023a3aebcc

SHA512
453e9918aa7e2c9e53dac1f5b7d0bce9633a22fa620e22277e3148f0c2f9af7a91ca9dbea6cbe28a2593c1cdc6cf94df2f9ce3df31f2868582d5eb84b5a10661

Download Submit
memory/1144-73-0x00000000071A0000-0x00000000071B1000-memory.dmp

Filesize
68KB

Download
memory/1144-54-0x0000000002350000-0x0000000002360000-memory.dmp

Filesize
64KB

Download
memory/1144-83-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/1144-80-0x00000000072E0000-0x00000000072E8000-memory.dmp

Filesize
32KB

Download
memory/1144-79-0x0000000007300000-0x000000000731A000-memory.dmp

Filesize
104KB

Download
memory/1144-78-0x0000000007200000-0x0000000007214000-memory.dmp

Filesize
80KB

Download
memory/1144-77-0x00000000071F0000-0x00000000071FE000-memory.dmp

Filesize
56KB

Download
memory/1144-76-0x0000000002350000-0x0000000002360000-memory.dmp

Filesize
64KB

Download
memory/1144-75-0x0000000002350000-0x0000000002360000-memory.dmp

Filesize
64KB

Download
memory/1144-74-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/1144-17-0x00000000046F0000-0x0000000004726000-memory.dmp

Filesize
216KB

Download
memory/1144-18-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/1144-72-0x0000000007220000-0x00000000072B6000-memory.dmp

Filesize
600KB

Download
memory/1144-20-0x0000000002350000-0x0000000002360000-memory.dmp

Filesize
64KB

Download
memory/1144-21-0x0000000002350000-0x0000000002360000-memory.dmp

Filesize
64KB

Download
memory/1144-71-0x0000000007010000-0x000000000701A000-memory.dmp

Filesize
40KB

Download
memory/1144-70-0x0000000006FA0000-0x0000000006FBA000-memory.dmp

Filesize
104KB

Download
memory/1144-23-0x0000000004D60000-0x0000000005388000-memory.dmp

Filesize
6.2MB

Download
memory/1144-69-0x00000000075E0000-0x0000000007C5A000-memory.dmp

Filesize
6.5MB

Download
memory/1144-67-0x0000000006C60000-0x0000000006D03000-memory.dmp

Filesize
652KB

Download
memory/1144-29-0x0000000004CC0000-0x0000000004CE2000-memory.dmp

Filesize
136KB

Download
memory/1144-66-0x0000000006230000-0x000000000624E000-memory.dmp

Filesize
120KB

Download
memory/1144-32-0x0000000005440000-0x00000000054A6000-memory.dmp

Filesize
408KB

Download
memory/1144-34-0x0000000005660000-0x00000000056C6000-memory.dmp

Filesize
408KB

Download
memory/1144-56-0x0000000071CE0000-0x0000000071D2C000-memory.dmp

Filesize
304KB

Download
memory/1144-55-0x0000000006250000-0x0000000006282000-memory.dmp

Filesize
200KB

Download
memory/1144-53-0x0000000005CD0000-0x0000000005D1C000-memory.dmp

Filesize
304KB

Download
memory/1144-52-0x0000000005C90000-0x0000000005CAE000-memory.dmp

Filesize
120KB

Download
memory/1144-46-0x00000000057D0000-0x0000000005B24000-memory.dmp

Filesize
3.3MB

Download
memory/1444-4-0x0000000005570000-0x0000000005580000-memory.dmp

Filesize
64KB

Download
memory/1444-6-0x00000000052A0000-0x00000000052BC000-memory.dmp

Filesize
112KB

Download
memory/1444-1-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/1444-5-0x0000000005290000-0x000000000529A000-memory.dmp

Filesize
40KB

Download
memory/1444-2-0x00000000058C0000-0x0000000005E64000-memory.dmp

Filesize
5.6MB

Download
memory/1444-7-0x0000000005280000-0x000000000528C000-memory.dmp

Filesize
48KB

Download
memory/1444-8-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/1444-9-0x0000000005570000-0x0000000005580000-memory.dmp

Filesize
64KB

Download
memory/1444-10-0x0000000005520000-0x0000000005530000-memory.dmp

Filesize
64KB

Download
memory/1444-11-0x000000000BBC0000-0x000000000BC78000-memory.dmp

Filesize
736KB

Download
memory/1444-0-0x0000000000790000-0x0000000000896000-memory.dmp

Filesize
1.0MB

Download
memory/1444-27-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/1444-12-0x000000000EC80000-0x000000000ED1C000-memory.dmp

Filesize
624KB

Download
memory/1444-3-0x0000000005310000-0x00000000053A2000-memory.dmp

Filesize
584KB

Download
memory/2380-48-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2380-84-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2380-26-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2380-30-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2380-33-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2380-40-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2380-49-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2380-41-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2380-24-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2380-22-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2380-47-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2380-51-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2380-89-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2380-90-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2380-97-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2380-98-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2380-105-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2380-106-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download