remcos | 668e081d5631d8d67d75b0beff5810c77b57be6d20a224dd67e33bfc0fd4ecac

General

Target

JaffaCakes118_668e081d5631d8d67d75b0beff5810c77b57be6d20a224dd67e33bfc0fd4ecac.exe
Size

761.8MB
MD5

f779e44c4a79ea0720110af44445d4c9
SHA1

56abf0b32840a683796f8170794a8f1fa10c13d6
SHA256

668e081d5631d8d67d75b0beff5810c77b57be6d20a224dd67e33bfc0fd4ecac
SHA512

36b13dba365c3d7364839096c82fee5b634c2f0988bc262fd41d4ec1e2dff0ba683511f16a16521241cd080bc4e1bf1d55d9bfaf7a90831942163ccad6941feb
SSDEEP

24576:xhOl/4P7lv23n0/Lu9VMwiS0pDnE4mB2oKQMDE7jDF56zuc8PYCY2qhxgCsR+Tq+:K4ThwsQB2o425YCJqhxgCsIeEOJi

Score

10^/10

remcos thorami discovery rat

Malware Config

Extracted

Family

remcos

Botnet

thorami

C2

thorami.duckdns.org:2404

80.76.51.46:2404

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
hrtranp.exe
delete_file
false
hide_file
true
hide_keylog_file
true
install_flag
false
install_path
%AppData%
keylog_crypt
false
keylog_file
hjpbvkl.dat
keylog_flag
false
keylog_path
%AppData%
mouse_option
false
mutex
hdgnoftngtha-KQESCC
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
djureko
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

Deletes itself 1 IoCs

pid	Process
3032	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2708	Xof mefipeve peb nelixaki yilepo.exe

Loads dropped DLL 1 IoCs

pid	Process
2092	JaffaCakes118_668e081d5631d8d67d75b0beff5810c77b57be6d20a224dd67e33bfc0fd4ecac.exe

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 6 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	JaffaCakes118_668e081d5631d8d67d75b0beff5810c77b57be6d20a224dd67e33bfc0fd4ecac.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Xof mefipeve peb nelixaki yilepo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chcp.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2564	PING.EXE
3032	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2564	PING.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
2784	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2092	JaffaCakes118_668e081d5631d8d67d75b0beff5810c77b57be6d20a224dd67e33bfc0fd4ecac.exe
2092	JaffaCakes118_668e081d5631d8d67d75b0beff5810c77b57be6d20a224dd67e33bfc0fd4ecac.exe
2092	JaffaCakes118_668e081d5631d8d67d75b0beff5810c77b57be6d20a224dd67e33bfc0fd4ecac.exe
2092	JaffaCakes118_668e081d5631d8d67d75b0beff5810c77b57be6d20a224dd67e33bfc0fd4ecac.exe
2092	JaffaCakes118_668e081d5631d8d67d75b0beff5810c77b57be6d20a224dd67e33bfc0fd4ecac.exe
2708	Xof mefipeve peb nelixaki yilepo.exe
2708	Xof mefipeve peb nelixaki yilepo.exe
2708	Xof mefipeve peb nelixaki yilepo.exe
2708	Xof mefipeve peb nelixaki yilepo.exe
2708	Xof mefipeve peb nelixaki yilepo.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2708	Xof mefipeve peb nelixaki yilepo.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 2784	2092	JaffaCakes118_668e081d5631d8d67d75b0beff5810c77b57be6d20a224dd67e33bfc0fd4ecac.exe	31
PID 2092 wrote to memory of 2784	2092	JaffaCakes118_668e081d5631d8d67d75b0beff5810c77b57be6d20a224dd67e33bfc0fd4ecac.exe	31
PID 2092 wrote to memory of 2784	2092	JaffaCakes118_668e081d5631d8d67d75b0beff5810c77b57be6d20a224dd67e33bfc0fd4ecac.exe	31
PID 2092 wrote to memory of 2784	2092	JaffaCakes118_668e081d5631d8d67d75b0beff5810c77b57be6d20a224dd67e33bfc0fd4ecac.exe	31
PID 2092 wrote to memory of 2708	2092	JaffaCakes118_668e081d5631d8d67d75b0beff5810c77b57be6d20a224dd67e33bfc0fd4ecac.exe	33
PID 2092 wrote to memory of 2708	2092	JaffaCakes118_668e081d5631d8d67d75b0beff5810c77b57be6d20a224dd67e33bfc0fd4ecac.exe	33
PID 2092 wrote to memory of 2708	2092	JaffaCakes118_668e081d5631d8d67d75b0beff5810c77b57be6d20a224dd67e33bfc0fd4ecac.exe	33
PID 2092 wrote to memory of 2708	2092	JaffaCakes118_668e081d5631d8d67d75b0beff5810c77b57be6d20a224dd67e33bfc0fd4ecac.exe	33
PID 2092 wrote to memory of 3032	2092	JaffaCakes118_668e081d5631d8d67d75b0beff5810c77b57be6d20a224dd67e33bfc0fd4ecac.exe	34
PID 2092 wrote to memory of 3032	2092	JaffaCakes118_668e081d5631d8d67d75b0beff5810c77b57be6d20a224dd67e33bfc0fd4ecac.exe	34
PID 2092 wrote to memory of 3032	2092	JaffaCakes118_668e081d5631d8d67d75b0beff5810c77b57be6d20a224dd67e33bfc0fd4ecac.exe	34
PID 2092 wrote to memory of 3032	2092	JaffaCakes118_668e081d5631d8d67d75b0beff5810c77b57be6d20a224dd67e33bfc0fd4ecac.exe	34
PID 3032 wrote to memory of 2540	3032	cmd.exe	36
PID 3032 wrote to memory of 2540	3032	cmd.exe	36
PID 3032 wrote to memory of 2540	3032	cmd.exe	36
PID 3032 wrote to memory of 2540	3032	cmd.exe	36
PID 3032 wrote to memory of 2564	3032	cmd.exe	37
PID 3032 wrote to memory of 2564	3032	cmd.exe	37
PID 3032 wrote to memory of 2564	3032	cmd.exe	37
PID 3032 wrote to memory of 2564	3032	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_668e081d5631d8d67d75b0beff5810c77b57be6d20a224dd67e33bfc0fd4ecac.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_668e081d5631d8d67d75b0beff5810c77b57be6d20a224dd67e33bfc0fd4ecac.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2092
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\system32\schtasks.exe" /create /tn COMSurrogate /f /sc onlogon /rl highest /tr "C:\Users\Admin\Gihikag kot\Xof mefipeve peb nelixaki yilepo.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2784
- C:\Users\Admin\Gihikag kot\Xof mefipeve peb nelixaki yilepo.exe
  "C:\Users\Admin\Gihikag kot\Xof mefipeve peb nelixaki yilepo.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2708
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c chcp 65001 && ping 127.0.0.1 && DEL /F /S /Q /A "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_668e081d5631d8d67d75b0beff5810c77b57be6d20a224dd67e33bfc0fd4ecac.exe"
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3032
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2540
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2564

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2092-0-0x0000000000850000-0x00000000009B8000-memory.dmp

Filesize
1.4MB

Download
memory/2092-9-0x0000000000850000-0x00000000009B8000-memory.dmp

Filesize
1.4MB

Download
memory/2708-8-0x0000000002220000-0x0000000002388000-memory.dmp

Filesize
1.4MB

Download
memory/2708-10-0x000000000ECB0000-0x000000000F1E4000-memory.dmp

Filesize
5.2MB

Download
memory/2708-11-0x000000000E210000-0x000000000E28F000-memory.dmp

Filesize
508KB

Download
memory/2708-32-0x0000000002220000-0x0000000002388000-memory.dmp

Filesize
1.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads