remcos | 056cdf4a67164ded09385efec0912ccbb1c365c151d01b0a3633de1c4d410a18

General

Target

056cdf4a67164ded09385efec0912ccbb1c365c151d01b0a3633de1c4d410a18.exe
Size

469KB
MD5

29b622980bc32771d8cac127961b0ba5
SHA1

895a13abd7ef4f8e0ea9cc1526350eccf1934b27
SHA256

056cdf4a67164ded09385efec0912ccbb1c365c151d01b0a3633de1c4d410a18
SHA512

7410b6413f4177d44ad3b55652ca57e3d622c806e423286a3ae90dd8026edb3552d304fde3c2b82ee0b8ef3dc4ba0e4a185d0d03be96d9fa5f8be7347592db95
SSDEEP

12288:umnk7iLJbpIpiRL6I2WhSKQ9ZsfZQSvn9:WiLJbpI7I2WhQqZ7v9

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

185.158.251.159:2404

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
true
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-TKL5S3
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1996 set thread context of 1716	1996	056cdf4a67164ded09385efec0912ccbb1c365c151d01b0a3633de1c4d410a18.exe	29

System Location Discovery: System Language Discovery 1 TTPs 2 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	056cdf4a67164ded09385efec0912ccbb1c365c151d01b0a3633de1c4d410a18.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplore.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1996	056cdf4a67164ded09385efec0912ccbb1c365c151d01b0a3633de1c4d410a18.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1996	056cdf4a67164ded09385efec0912ccbb1c365c151d01b0a3633de1c4d410a18.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1716	iexplore.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 1716	1996	056cdf4a67164ded09385efec0912ccbb1c365c151d01b0a3633de1c4d410a18.exe	29
PID 1996 wrote to memory of 1716	1996	056cdf4a67164ded09385efec0912ccbb1c365c151d01b0a3633de1c4d410a18.exe	29
PID 1996 wrote to memory of 1716	1996	056cdf4a67164ded09385efec0912ccbb1c365c151d01b0a3633de1c4d410a18.exe	29
PID 1996 wrote to memory of 1716	1996	056cdf4a67164ded09385efec0912ccbb1c365c151d01b0a3633de1c4d410a18.exe	29
PID 1996 wrote to memory of 1716	1996	056cdf4a67164ded09385efec0912ccbb1c365c151d01b0a3633de1c4d410a18.exe	29

C:\Users\Admin\AppData\Local\Temp\056cdf4a67164ded09385efec0912ccbb1c365c151d01b0a3633de1c4d410a18.exe
"C:\Users\Admin\AppData\Local\Temp\056cdf4a67164ded09385efec0912ccbb1c365c151d01b0a3633de1c4d410a18.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1996
- \??\c:\program files (x86)\internet explorer\iexplore.exe
  "c:\program files (x86)\internet explorer\iexplore.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
7854a2898eda1c2f66d049e3ed9312ec

SHA1
22f4a811466cc395be464a59272f91051363bed4

SHA256
09db631c9b32acad47408616cb832c6c356af18c213abd67ecbd45999f066408

SHA512
ba41dc6efebaf2db6cd97c40c5a67ed0c984ba7b277f1f8f77ab0d9014683cf33db7476fbfa204097f3ade8450e4433a82edce9ea51a68a6d33efe35de7bcecf

Download Submit
memory/1716-22-0x0000000000080000-0x00000000000FF000-memory.dmp

Filesize
508KB

Download
memory/1716-49-0x0000000000080000-0x00000000000FF000-memory.dmp

Filesize
508KB

Download
memory/1716-5-0x0000000000080000-0x00000000000FF000-memory.dmp

Filesize
508KB

Download
memory/1716-4-0x0000000000080000-0x00000000000FF000-memory.dmp

Filesize
508KB

Download
memory/1716-2-0x0000000000080000-0x00000000000FF000-memory.dmp

Filesize
508KB

Download
memory/1716-13-0x0000000000080000-0x00000000000FF000-memory.dmp

Filesize
508KB

Download
memory/1716-16-0x0000000000080000-0x00000000000FF000-memory.dmp

Filesize
508KB

Download
memory/1716-17-0x0000000000080000-0x00000000000FF000-memory.dmp

Filesize
508KB

Download
memory/1716-8-0x0000000000080000-0x00000000000FF000-memory.dmp

Filesize
508KB

Download
memory/1716-10-0x0000000000080000-0x00000000000FF000-memory.dmp

Filesize
508KB

Download
memory/1716-29-0x0000000000080000-0x00000000000FF000-memory.dmp

Filesize
508KB

Download
memory/1716-23-0x0000000000080000-0x00000000000FF000-memory.dmp

Filesize
508KB

Download
memory/1716-30-0x0000000000080000-0x00000000000FF000-memory.dmp

Filesize
508KB

Download
memory/1716-35-0x0000000000080000-0x00000000000FF000-memory.dmp

Filesize
508KB

Download
memory/1716-36-0x0000000000080000-0x00000000000FF000-memory.dmp

Filesize
508KB

Download
memory/1716-41-0x0000000000080000-0x00000000000FF000-memory.dmp

Filesize
508KB

Download
memory/1716-43-0x0000000000080000-0x00000000000FF000-memory.dmp

Filesize
508KB

Download
memory/1716-48-0x0000000000080000-0x00000000000FF000-memory.dmp

Filesize
508KB

Download
memory/1716-0-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

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