remcos | da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f

General

Target

da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f.exe
Size

881KB
MD5

8da358d4b7d180480aba90d78ecff7ae
SHA1

9b1858ad42d183226460c7f09f2a657c3ed9279a
SHA256

da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f
SHA512

c3ef79026467411e9dabd624549a510e92356d559938ec37352289d99f07c934c893b8c1a0cb308056027e6e8fb1aeeda01148f256d3e2d0a2b7108a737b5baa
SSDEEP

24576:qBnnC3qGtqYqAy2BGVDNE61G43uig/IhdpkE:BaG1ZBAD71GFf6w

Score

10^/10

remcos udu discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

udu

C2

UDUM.WORK.GD:2431

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
vlc
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
true
keylog_file
logs.dat
keylog_flag
false
keylog_folder
sos
mouse_option
false
mutex
udm-2WYU92
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 1 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2724	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1168 set thread context of 2228	1168	da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f.exe	35

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	da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f.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	da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f.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
2840	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1168	da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f.exe
1168	da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f.exe
2724	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1168	da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f.exe
Token: SeDebugPrivilege	2724	powershell.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2228	da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2228	da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2228	da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1168 wrote to memory of 2724	1168	da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f.exe	31
PID 1168 wrote to memory of 2724	1168	da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f.exe	31
PID 1168 wrote to memory of 2724	1168	da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f.exe	31
PID 1168 wrote to memory of 2724	1168	da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f.exe	31
PID 1168 wrote to memory of 2840	1168	da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f.exe	33
PID 1168 wrote to memory of 2840	1168	da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f.exe	33
PID 1168 wrote to memory of 2840	1168	da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f.exe	33
PID 1168 wrote to memory of 2840	1168	da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f.exe	33
PID 1168 wrote to memory of 2228	1168	da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f.exe	35
PID 1168 wrote to memory of 2228	1168	da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f.exe	35
PID 1168 wrote to memory of 2228	1168	da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f.exe	35
PID 1168 wrote to memory of 2228	1168	da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f.exe	35
PID 1168 wrote to memory of 2228	1168	da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f.exe	35
PID 1168 wrote to memory of 2228	1168	da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f.exe	35
PID 1168 wrote to memory of 2228	1168	da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f.exe	35
PID 1168 wrote to memory of 2228	1168	da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f.exe	35
PID 1168 wrote to memory of 2228	1168	da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f.exe	35
PID 1168 wrote to memory of 2228	1168	da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f.exe	35
PID 1168 wrote to memory of 2228	1168	da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f.exe	35
PID 1168 wrote to memory of 2228	1168	da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f.exe	35
PID 1168 wrote to memory of 2228	1168	da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f.exe	35

C:\Users\Admin\AppData\Local\Temp\da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f.exe
"C:\Users\Admin\AppData\Local\Temp\da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1168
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mjbXtJDvJVt.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2724
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mjbXtJDvJVt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1F63.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2840
- C:\Users\Admin\AppData\Local\Temp\da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f.exe
  "C:\Users\Admin\AppData\Local\Temp\da9e45efadb2232b4c6f1ec165bd01a0c9d274f045d058b5c1376106b47b053f.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:2228

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\sos\logs.dat

Filesize
318B

MD5
52100a89d804a6ad7c0bc3bcf51789ff

SHA1
1136d2f29fd51d4cd8c1b9e00675ef82b8ddb92f

SHA256
a9b5ea011f1ed8eab414fc8c1c6c7a7e2b176fd248d68cb35800808dd1f6537a

SHA512
914ece5c4e397cb27a2be01db0789e75fd9e1f5b086943c8a7d31093d088f593b894e71e8fc55483243d426880d1a322ff48f02fd3941e52a754bf6207c87b90

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1F63.tmp

Filesize
1KB

MD5
69e887c9c11fa4557343fa3ddb027725

SHA1
7c876de972969ee23e082760bb15a572e590a345

SHA256
26a67e9956a069b12c1aa41bf3eb89c3c5c707f10cfd4adda39ccf62acf29649

SHA512
8f6e9ebffcb979667e2bc8bf167daf7d3d4d2b5c779d97a3596820b26f265f00072e820f04e1fadd4c1c49aaa44250f5c1fafb212213f966704adf18a7581dd6

Download Submit
memory/1168-0-0x00000000741EE000-0x00000000741EF000-memory.dmp

Filesize
4KB

Download
memory/1168-1-0x0000000000FF0000-0x00000000010D2000-memory.dmp

Filesize
904KB

Download
memory/1168-2-0x00000000741E0000-0x00000000748CE000-memory.dmp

Filesize
6.9MB

Download
memory/1168-3-0x00000000003A0000-0x00000000003B0000-memory.dmp

Filesize
64KB

Download
memory/1168-4-0x00000000741EE000-0x00000000741EF000-memory.dmp

Filesize
4KB

Download
memory/1168-5-0x00000000741E0000-0x00000000748CE000-memory.dmp

Filesize
6.9MB

Download
memory/1168-6-0x0000000005480000-0x0000000005540000-memory.dmp

Filesize
768KB

Download
memory/1168-38-0x00000000741E0000-0x00000000748CE000-memory.dmp

Filesize
6.9MB

Download
memory/2228-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2228-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2228-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2228-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2228-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2228-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2228-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2228-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2228-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2228-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2228-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2228-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2228-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2228-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2228-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2228-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2228-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2228-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2228-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2228-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2228-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2228-57-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2228-58-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2228-65-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2228-66-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2228-73-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2228-74-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads