remcos | 7025a565fe7b2b8a05477201f7dfdf8f2735dd056626aa0fbf6a949a4e61179f

General

Target
Due_Statement_00000010000100100002000000000000.exe
Size 643KB
Sample220103-jspblahecj
SHA256 7025a565fe7b2b8a05477201f7dfdf8f2735dd056626aa0fbf6a949a4e61179f
MD5 6bd9cbea3fe38ad78c46130e9f92759f
SHA1 44f0edfe365c901bda39c4631fb63ec504bce9b8
SHA512 62952cf77315ac15ab888664ba6a10f2ce18d68ec93ab2c707cd75a19022ef79f5a67c5257ee002999d3bd3948030da4327576ab181f3ee0f544116c6caf4838
MD5 SHA1 SHA512

Score

10^/10

remcos timeprom rat

Malware Config

Extracted

Family

remcos

Botnet

timeprom

C2

vstore101.com:2491

Attributes

audio_folder
MicRecords
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
internets.exe
copy_folder
Web
delete_file
false
hide_file
true
hide_keylog_file
true
install_flag
true
install_path
%Temp%
keylog_crypt
true
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
wiwissidjshd-HQ159T
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
internets
take_screenshot_option
false
take_screenshot_time
5
take_screenshot_title
notepad;solitaire;

Extracted

Family

remcos

Version

3.3.0 Pro

Botnet

timeprom

C2

vstore101.com:2491

Attributes

audio_folder
MicRecords
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
internets.exe
copy_folder
Web
delete_file
false
hide_file
true
hide_keylog_file
true
install_flag
true
install_path
%Temp%
keylog_crypt
true
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
wiwissidjshd-HQ159T
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
internets
take_screenshot_option
false
take_screenshot_time
5
take_screenshot_title
notepad;solitaire;

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

Loads dropped DLL 1 IoCs

pid	Process
1712	Due_Statement_00000010000100100002000000000000.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
852	956	WerFault.exe	27

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
852	WerFault.exe
852	WerFault.exe
852	WerFault.exe
852	WerFault.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
852	WerFault.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	852	WerFault.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 956	1712	Due_Statement_00000010000100100002000000000000.exe	27
PID 1712 wrote to memory of 956	1712	Due_Statement_00000010000100100002000000000000.exe	27
PID 1712 wrote to memory of 956	1712	Due_Statement_00000010000100100002000000000000.exe	27
PID 1712 wrote to memory of 956	1712	Due_Statement_00000010000100100002000000000000.exe	27
PID 1712 wrote to memory of 956	1712	Due_Statement_00000010000100100002000000000000.exe	27
PID 1712 wrote to memory of 956	1712	Due_Statement_00000010000100100002000000000000.exe	27
PID 1712 wrote to memory of 956	1712	Due_Statement_00000010000100100002000000000000.exe	27
PID 1712 wrote to memory of 956	1712	Due_Statement_00000010000100100002000000000000.exe	27
PID 1712 wrote to memory of 956	1712	Due_Statement_00000010000100100002000000000000.exe	27
PID 1712 wrote to memory of 956	1712	Due_Statement_00000010000100100002000000000000.exe	27
PID 1712 wrote to memory of 956	1712	Due_Statement_00000010000100100002000000000000.exe	27
PID 1712 wrote to memory of 956	1712	Due_Statement_00000010000100100002000000000000.exe	27
PID 1712 wrote to memory of 956	1712	Due_Statement_00000010000100100002000000000000.exe	27
PID 956 wrote to memory of 852	956	Due_Statement_00000010000100100002000000000000.exe	28
PID 956 wrote to memory of 852	956	Due_Statement_00000010000100100002000000000000.exe	28
PID 956 wrote to memory of 852	956	Due_Statement_00000010000100100002000000000000.exe	28
PID 956 wrote to memory of 852	956	Due_Statement_00000010000100100002000000000000.exe	28

C:\Users\Admin\AppData\Local\Temp\Due_Statement_00000010000100100002000000000000.exe
"C:\Users\Admin\AppData\Local\Temp\Due_Statement_00000010000100100002000000000000.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Users\Admin\AppData\Local\Temp\Due_Statement_00000010000100100002000000000000.exe
  "C:\Users\Admin\AppData\Local\Temp\Due_Statement_00000010000100100002000000000000.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:956
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 956 -s 172
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:852

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/852-71-0x0000000000300000-0x0000000000301000-memory.dmp

Download

memory/956-57-0x00000000001C0000-0x0000000000239000-memory.dmp

Download

memory/956-62-0x00000000001C0000-0x0000000000239000-memory.dmp

Download

memory/956-68-0x00000000001C0000-0x0000000000239000-memory.dmp

Download

memory/1712-54-0x0000000076911000-0x0000000076913000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads