remcos | 35affe386ca79566bf4e2c65f0fcf079098b2d33fb02b9b813ef6f0b76dfb1fb

General

Target

JaffaCakes118_35affe386ca79566bf4e2c65f0fcf079098b2d33fb02b9b813ef6f0b76dfb1fb.exe
Size

796.5MB
MD5

2ac6eaba36f976a9bbb20e754e6d48c9
SHA1

a30c4ac48c0d7c1dc3079755dc0ad9bc2250e073
SHA256

35affe386ca79566bf4e2c65f0fcf079098b2d33fb02b9b813ef6f0b76dfb1fb
SHA512

77351e3a8758a2a340d91ccf233c71da9d47da0ea05135e628ff2c84f8669c168ef4572f2338eb55fcd7673b1b2a8df57eb5f51019972e09d2c59b563a3765fe
SSDEEP

24576:/pBtKkpXwKPHp0EVWnqMKMklXZ8N7Y5jQoLOnrq/aCVXcA:9TdvMKMklXSN7YDOrqyCVXv

Score

10^/10

remcos thorami-v5 discovery rat

Malware Config

Extracted

Family

remcos

Botnet

thorami-v5

C2

rlbotz.duckdns.org:2404

80.76.51.46:2404

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
update.exe
delete_file
false
hide_file
false
hide_keylog_file
true
install_flag
false
install_path
%AppData%
keylog_crypt
false
keylog_file
furog.dat
keylog_flag
false
mouse_option
false
mutex
Rvhugures-AM08A0
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
nupdat
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
2692	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2700	fon gehewico.exe

Loads dropped DLL 1 IoCs

pid	Process
1688	JaffaCakes118_35affe386ca79566bf4e2c65f0fcf079098b2d33fb02b9b813ef6f0b76dfb1fb.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_35affe386ca79566bf4e2c65f0fcf079098b2d33fb02b9b813ef6f0b76dfb1fb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fon gehewico.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
2692	cmd.exe
2736	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2736	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
2212	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1688	JaffaCakes118_35affe386ca79566bf4e2c65f0fcf079098b2d33fb02b9b813ef6f0b76dfb1fb.exe
1688	JaffaCakes118_35affe386ca79566bf4e2c65f0fcf079098b2d33fb02b9b813ef6f0b76dfb1fb.exe
1688	JaffaCakes118_35affe386ca79566bf4e2c65f0fcf079098b2d33fb02b9b813ef6f0b76dfb1fb.exe
1688	JaffaCakes118_35affe386ca79566bf4e2c65f0fcf079098b2d33fb02b9b813ef6f0b76dfb1fb.exe
1688	JaffaCakes118_35affe386ca79566bf4e2c65f0fcf079098b2d33fb02b9b813ef6f0b76dfb1fb.exe
2700	fon gehewico.exe
2700	fon gehewico.exe
2700	fon gehewico.exe
2700	fon gehewico.exe
2700	fon gehewico.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2700	fon gehewico.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 2212	1688	JaffaCakes118_35affe386ca79566bf4e2c65f0fcf079098b2d33fb02b9b813ef6f0b76dfb1fb.exe	29
PID 1688 wrote to memory of 2212	1688	JaffaCakes118_35affe386ca79566bf4e2c65f0fcf079098b2d33fb02b9b813ef6f0b76dfb1fb.exe	29
PID 1688 wrote to memory of 2212	1688	JaffaCakes118_35affe386ca79566bf4e2c65f0fcf079098b2d33fb02b9b813ef6f0b76dfb1fb.exe	29
PID 1688 wrote to memory of 2212	1688	JaffaCakes118_35affe386ca79566bf4e2c65f0fcf079098b2d33fb02b9b813ef6f0b76dfb1fb.exe	29
PID 1688 wrote to memory of 2700	1688	JaffaCakes118_35affe386ca79566bf4e2c65f0fcf079098b2d33fb02b9b813ef6f0b76dfb1fb.exe	31
PID 1688 wrote to memory of 2700	1688	JaffaCakes118_35affe386ca79566bf4e2c65f0fcf079098b2d33fb02b9b813ef6f0b76dfb1fb.exe	31
PID 1688 wrote to memory of 2700	1688	JaffaCakes118_35affe386ca79566bf4e2c65f0fcf079098b2d33fb02b9b813ef6f0b76dfb1fb.exe	31
PID 1688 wrote to memory of 2700	1688	JaffaCakes118_35affe386ca79566bf4e2c65f0fcf079098b2d33fb02b9b813ef6f0b76dfb1fb.exe	31
PID 1688 wrote to memory of 2692	1688	JaffaCakes118_35affe386ca79566bf4e2c65f0fcf079098b2d33fb02b9b813ef6f0b76dfb1fb.exe	32
PID 1688 wrote to memory of 2692	1688	JaffaCakes118_35affe386ca79566bf4e2c65f0fcf079098b2d33fb02b9b813ef6f0b76dfb1fb.exe	32
PID 1688 wrote to memory of 2692	1688	JaffaCakes118_35affe386ca79566bf4e2c65f0fcf079098b2d33fb02b9b813ef6f0b76dfb1fb.exe	32
PID 1688 wrote to memory of 2692	1688	JaffaCakes118_35affe386ca79566bf4e2c65f0fcf079098b2d33fb02b9b813ef6f0b76dfb1fb.exe	32
PID 2692 wrote to memory of 2720	2692	cmd.exe	34
PID 2692 wrote to memory of 2720	2692	cmd.exe	34
PID 2692 wrote to memory of 2720	2692	cmd.exe	34
PID 2692 wrote to memory of 2720	2692	cmd.exe	34
PID 2692 wrote to memory of 2736	2692	cmd.exe	35
PID 2692 wrote to memory of 2736	2692	cmd.exe	35
PID 2692 wrote to memory of 2736	2692	cmd.exe	35
PID 2692 wrote to memory of 2736	2692	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_35affe386ca79566bf4e2c65f0fcf079098b2d33fb02b9b813ef6f0b76dfb1fb.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_35affe386ca79566bf4e2c65f0fcf079098b2d33fb02b9b813ef6f0b76dfb1fb.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\system32\schtasks.exe" /create /tn COMSurrogate /f /sc onlogon /rl highest /tr "C:\Users\Admin\Nosix kem pepij\fon gehewico.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2212
- C:\Users\Admin\Nosix kem pepij\fon gehewico.exe
  "C:\Users\Admin\Nosix kem pepij\fon gehewico.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2700
- 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_35affe386ca79566bf4e2c65f0fcf079098b2d33fb02b9b813ef6f0b76dfb1fb.exe"
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2692
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2720
- - 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:2736

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

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Downloads

memory/1688-0-0x0000000001F40000-0x00000000020B0000-memory.dmp

Filesize
1.4MB

Download
memory/1688-9-0x0000000001F40000-0x00000000020B0000-memory.dmp

Filesize
1.4MB

Download
memory/2700-8-0x0000000001F40000-0x00000000020B0000-memory.dmp

Filesize
1.4MB

Download
memory/2700-10-0x000000000B580000-0x000000000BAD2000-memory.dmp

Filesize
5.3MB

Download
memory/2700-11-0x000000000B4F0000-0x000000000B56F000-memory.dmp

Filesize
508KB

Download
memory/2700-35-0x0000000001F40000-0x00000000020B0000-memory.dmp

Filesize
1.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads