remcos | 79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406

General

Target

79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406.exe
Size

972KB
MD5

185c9b9945409c3d3d90d76a6b32ebb1
SHA1

7797db82d41d3a3504f578bad1280c3be5f77826
SHA256

79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406
SHA512

06bfd7c742ec0a69dcbd18b2caf2a62c948aee7760bc224d6bd81d3356dfe0dc6e847912a5d0d0c4a0e6b7c51caaaf4af8d2df4eaabda0fe2417361c44e20977
SSDEEP

24576:AwerXiN/Ylh7bP67DPxscfEBiLHoZmI8eqDW:Aw8oA+Px6iL8qW

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

176.65.144.121:5689

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
5867-V7HPI7
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Remcos
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
2192	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1156 set thread context of 2984	1156	79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406.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	79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406.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	79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406.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
2828	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2192	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2192	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1156 wrote to memory of 2192	1156	79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406.exe	31
PID 1156 wrote to memory of 2192	1156	79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406.exe	31
PID 1156 wrote to memory of 2192	1156	79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406.exe	31
PID 1156 wrote to memory of 2192	1156	79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406.exe	31
PID 1156 wrote to memory of 2828	1156	79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406.exe	33
PID 1156 wrote to memory of 2828	1156	79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406.exe	33
PID 1156 wrote to memory of 2828	1156	79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406.exe	33
PID 1156 wrote to memory of 2828	1156	79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406.exe	33
PID 1156 wrote to memory of 2984	1156	79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406.exe	35
PID 1156 wrote to memory of 2984	1156	79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406.exe	35
PID 1156 wrote to memory of 2984	1156	79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406.exe	35
PID 1156 wrote to memory of 2984	1156	79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406.exe	35
PID 1156 wrote to memory of 2984	1156	79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406.exe	35
PID 1156 wrote to memory of 2984	1156	79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406.exe	35
PID 1156 wrote to memory of 2984	1156	79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406.exe	35
PID 1156 wrote to memory of 2984	1156	79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406.exe	35
PID 1156 wrote to memory of 2984	1156	79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406.exe	35
PID 1156 wrote to memory of 2984	1156	79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406.exe	35
PID 1156 wrote to memory of 2984	1156	79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406.exe	35
PID 1156 wrote to memory of 2984	1156	79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406.exe	35
PID 1156 wrote to memory of 2984	1156	79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406.exe	35

C:\Users\Admin\AppData\Local\Temp\79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406.exe
"C:\Users\Admin\AppData\Local\Temp\79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1156
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JWXNZxZzQRvzLR.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2192
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JWXNZxZzQRvzLR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE531.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2828
- C:\Users\Admin\AppData\Local\Temp\79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406.exe
  "C:\Users\Admin\AppData\Local\Temp\79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2984

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\tmpE531.tmp

Filesize
1KB

MD5
0429853f1ee23b36ce3a8c7fda7b1e0b

SHA1
9ad5ad332f7d46155ddda8876d9db355b78ede5a

SHA256
79baa9352b512075005e022618e721d2ce9fc3af20da2a2ec493d3cc44b57b38

SHA512
30b6235d74d5a8a36d52ee41e1624a94d5def960f7b03d2b382bb5ca11a8418bc7c404d0a2b134a5d7dd7b9a6e234b4ffbb03416deb568deb0f3b03aeb06933d

Download Submit
memory/1156-0-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

Filesize
4KB

Download
memory/1156-1-0x00000000002F0000-0x00000000003EA000-memory.dmp

Filesize
1000KB

Download
memory/1156-2-0x0000000074C40000-0x000000007532E000-memory.dmp

Filesize
6.9MB

Download
memory/1156-3-0x0000000001FB0000-0x0000000001FCE000-memory.dmp

Filesize
120KB

Download
memory/1156-4-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

Filesize
4KB

Download
memory/1156-5-0x0000000074C40000-0x000000007532E000-memory.dmp

Filesize
6.9MB

Download
memory/1156-6-0x000000000A360000-0x000000000A420000-memory.dmp

Filesize
768KB

Download
memory/1156-35-0x0000000074C40000-0x000000007532E000-memory.dmp

Filesize
6.9MB

Download
memory/2984-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2984-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-16-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads