remcos | b25e19cd5dc45047c4ad68fbe940dd1f923800201666adf9164ec5fe5d74f6e4

General

Target

b25e19cd5dc45047c4ad68fbe940dd1f923800201666adf9164ec5fe5d74f6e4.exe
Size

1.1MB
MD5

3b84dce82113710e5ae3f379ebd9fa13
SHA1

26df2f5f9ba223ce4848586582172c9c20516416
SHA256

b25e19cd5dc45047c4ad68fbe940dd1f923800201666adf9164ec5fe5d74f6e4
SHA512

299ed1e965189ff3d25bd6e12790d93648c0d69959eeab8d5d7c4563c3488764eadf968855782d50d68c98d67a6a63be80828367ec704a102c407ebd7a2fa871
SSDEEP

24576:wHeZDOyc0wCqMXY1nhtFUSU6xNP1cQYY:wHbLm4ftFzx7c

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

45.149.241.204:435

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
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-DX92V7
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
Remcos family
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
2688	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2316 set thread context of 2384	2316	b25e19cd5dc45047c4ad68fbe940dd1f923800201666adf9164ec5fe5d74f6e4.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 3 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	b25e19cd5dc45047c4ad68fbe940dd1f923800201666adf9164ec5fe5d74f6e4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2744	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2688	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2688	powershell.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 2688	2316	b25e19cd5dc45047c4ad68fbe940dd1f923800201666adf9164ec5fe5d74f6e4.exe	31
PID 2316 wrote to memory of 2688	2316	b25e19cd5dc45047c4ad68fbe940dd1f923800201666adf9164ec5fe5d74f6e4.exe	31
PID 2316 wrote to memory of 2688	2316	b25e19cd5dc45047c4ad68fbe940dd1f923800201666adf9164ec5fe5d74f6e4.exe	31
PID 2316 wrote to memory of 2688	2316	b25e19cd5dc45047c4ad68fbe940dd1f923800201666adf9164ec5fe5d74f6e4.exe	31
PID 2316 wrote to memory of 2744	2316	b25e19cd5dc45047c4ad68fbe940dd1f923800201666adf9164ec5fe5d74f6e4.exe	33
PID 2316 wrote to memory of 2744	2316	b25e19cd5dc45047c4ad68fbe940dd1f923800201666adf9164ec5fe5d74f6e4.exe	33
PID 2316 wrote to memory of 2744	2316	b25e19cd5dc45047c4ad68fbe940dd1f923800201666adf9164ec5fe5d74f6e4.exe	33
PID 2316 wrote to memory of 2744	2316	b25e19cd5dc45047c4ad68fbe940dd1f923800201666adf9164ec5fe5d74f6e4.exe	33
PID 2316 wrote to memory of 2384	2316	b25e19cd5dc45047c4ad68fbe940dd1f923800201666adf9164ec5fe5d74f6e4.exe	35
PID 2316 wrote to memory of 2384	2316	b25e19cd5dc45047c4ad68fbe940dd1f923800201666adf9164ec5fe5d74f6e4.exe	35
PID 2316 wrote to memory of 2384	2316	b25e19cd5dc45047c4ad68fbe940dd1f923800201666adf9164ec5fe5d74f6e4.exe	35
PID 2316 wrote to memory of 2384	2316	b25e19cd5dc45047c4ad68fbe940dd1f923800201666adf9164ec5fe5d74f6e4.exe	35
PID 2316 wrote to memory of 2384	2316	b25e19cd5dc45047c4ad68fbe940dd1f923800201666adf9164ec5fe5d74f6e4.exe	35
PID 2316 wrote to memory of 2384	2316	b25e19cd5dc45047c4ad68fbe940dd1f923800201666adf9164ec5fe5d74f6e4.exe	35
PID 2316 wrote to memory of 2384	2316	b25e19cd5dc45047c4ad68fbe940dd1f923800201666adf9164ec5fe5d74f6e4.exe	35
PID 2316 wrote to memory of 2384	2316	b25e19cd5dc45047c4ad68fbe940dd1f923800201666adf9164ec5fe5d74f6e4.exe	35
PID 2316 wrote to memory of 2384	2316	b25e19cd5dc45047c4ad68fbe940dd1f923800201666adf9164ec5fe5d74f6e4.exe	35
PID 2316 wrote to memory of 2384	2316	b25e19cd5dc45047c4ad68fbe940dd1f923800201666adf9164ec5fe5d74f6e4.exe	35
PID 2316 wrote to memory of 2384	2316	b25e19cd5dc45047c4ad68fbe940dd1f923800201666adf9164ec5fe5d74f6e4.exe	35

C:\Users\Admin\AppData\Local\Temp\b25e19cd5dc45047c4ad68fbe940dd1f923800201666adf9164ec5fe5d74f6e4.exe
"C:\Users\Admin\AppData\Local\Temp\b25e19cd5dc45047c4ad68fbe940dd1f923800201666adf9164ec5fe5d74f6e4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OZIxXQGIP.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2688
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OZIxXQGIP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp421F.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2744
- C:\Users\Admin\AppData\Local\Temp\b25e19cd5dc45047c4ad68fbe940dd1f923800201666adf9164ec5fe5d74f6e4.exe
  "C:\Users\Admin\AppData\Local\Temp\b25e19cd5dc45047c4ad68fbe940dd1f923800201666adf9164ec5fe5d74f6e4.exe"
  2⤵
  PID:2384

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp421F.tmp

Filesize
1KB

MD5
9a5844039ff20c1f0086073414ab7f51

SHA1
189a481db64ecb36bff466951d7040535fa88f49

SHA256
18d7851c91e004bb7b27a932623328f91b84ea2b1659abe4cb094b9dd0136a90

SHA512
d03cdd55cc40167c8aa27872e3217172386f924289774b7445c474835840dc49ffbe73145503e64387df904a983a4a84e179c47d5ce4d9724b98b49adbef446e

Download Submit
memory/2316-31-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download
memory/2316-1-0x0000000000940000-0x0000000000A54000-memory.dmp

Filesize
1.1MB

Download
memory/2316-2-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download
memory/2316-3-0x0000000000210000-0x0000000000228000-memory.dmp

Filesize
96KB

Download
memory/2316-4-0x000000007489E000-0x000000007489F000-memory.dmp

Filesize
4KB

Download
memory/2316-5-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download
memory/2316-6-0x0000000007870000-0x0000000007932000-memory.dmp

Filesize
776KB

Download
memory/2316-0-0x000000007489E000-0x000000007489F000-memory.dmp

Filesize
4KB

Download
memory/2384-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2384-16-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2384-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2384-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2384-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2384-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2384-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2384-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2384-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2384-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2384-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2384-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2384-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2384-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2384-35-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2384-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2384-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2384-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2384-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads