remcos | fbf0d947bf22491229799e2ddaca2484d24b1cd7e4be6945758a9a153cc98791

General

Target

My Nigga.exe
Size

469KB
MD5

82602aed5a4328fd0f432ac95f05a500
SHA1

83c7d33c0d034ec89953986d191fe82e5f5ba297
SHA256

fbf0d947bf22491229799e2ddaca2484d24b1cd7e4be6945758a9a153cc98791
SHA512

afef8b35bbedbc91d4f5e196878c1f2f6564da216137e75cb7977e4c4563cf20d927552a722056ab4366bd29096098e3265c42e207e0eb55dbb351167413eaf9
SSDEEP

12288:umnk7iLJbpIpiRL6I2WhSKQ9ZsfZQSqn9:WiLJbpI7I2WhQqZ7q9

Score

10^/10

remcos peterobi2023 persistence rat

Malware Config

Extracted

Family

remcos

Botnet

PeterObi2023

C2

76.8.53.133:1198

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
sdfge.exe
delete_file
false
hide_file
true
hide_keylog_file
false
install_flag
true
install_path
%AppData%
keylog_crypt
false
keylog_file
fghoiuytr.dat
keylog_flag
false
mouse_option
false
mutex
fghjcvbn-UURPOS
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
dfghrtyu
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Executes dropped EXE 1 IoCs

Processes:

sdfge.exe

pid process

2344 sdfge.exe

pid	process
2344	sdfge.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

My Nigga.exeWScript.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	My Nigga.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	WScript.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

My Nigga.exesdfge.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows\CurrentVersion\Run\	My Nigga.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dfghrtyu = "\"C:\\Users\\Admin\\AppData\\Roaming\\sdfge.exe\""	My Nigga.exe
Key created	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows\CurrentVersion\Run\	sdfge.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dfghrtyu = "\"C:\\Users\\Admin\\AppData\\Roaming\\sdfge.exe\""	sdfge.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

sdfge.exe

description pid process target process

PID 2344 set thread context of 4296 2344 sdfge.exe svchost.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Modifies registry class 1 IoCs

Processes:

My Nigga.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\Local Settings My Nigga.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

sdfge.exe

pid process

2344 sdfge.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

sdfge.exe

pid process

2344 sdfge.exe

description	pid	process	target process
PID 2344 set thread context of 4296	2344	sdfge.exe	svchost.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\Local Settings	My Nigga.exe

pid	process
2344	sdfge.exe

pid	process
2344	sdfge.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

My Nigga.exeWScript.execmd.exesdfge.exe

description	pid	process	target process
PID 3912 wrote to memory of 3516	3912	My Nigga.exe	WScript.exe
PID 3912 wrote to memory of 3516	3912	My Nigga.exe	WScript.exe
PID 3912 wrote to memory of 3516	3912	My Nigga.exe	WScript.exe
PID 3516 wrote to memory of 3788	3516	WScript.exe	cmd.exe
PID 3516 wrote to memory of 3788	3516	WScript.exe	cmd.exe
PID 3516 wrote to memory of 3788	3516	WScript.exe	cmd.exe
PID 3788 wrote to memory of 2344	3788	cmd.exe	sdfge.exe
PID 3788 wrote to memory of 2344	3788	cmd.exe	sdfge.exe
PID 3788 wrote to memory of 2344	3788	cmd.exe	sdfge.exe
PID 2344 wrote to memory of 4296	2344	sdfge.exe	svchost.exe
PID 2344 wrote to memory of 4296	2344	sdfge.exe	svchost.exe
PID 2344 wrote to memory of 4296	2344	sdfge.exe	svchost.exe
PID 2344 wrote to memory of 4296	2344	sdfge.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\My Nigga.exe
"C:\Users\Admin\AppData\Local\Temp\My Nigga.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3912

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"
2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3516

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\sdfge.exe"
3⤵
- Suspicious use of WriteProcessMemory
PID:3788

C:\Users\Admin\AppData\Roaming\sdfge.exe
C:\Users\Admin\AppData\Roaming\sdfge.exe
4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2344

C:\Windows\SysWOW64\svchost.exe
svchost.exe
5⤵
PID:4296

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\install.vbs
Filesize
402B

MD5
98acdc6ea897431e57cab98ee8203874

SHA1
1858e36b790f415f850063b1aa291846a1b4b4b1

SHA256
e55d508c8f0fbfbb78d556fbd969e1611b95872b8f73f046e7c71c5c2804a50a

SHA512
ac41f7acb3be653f398066d353120935cc3764fdddb9346fddc6012f1d0e61a3a09a7a434806cab3654c37a1301d637081d921a634b1919b72d4e07e66b38aa7

Download Submit
C:\Users\Admin\AppData\Roaming\sdfge.exe
Filesize
469KB

MD5
82602aed5a4328fd0f432ac95f05a500

SHA1
83c7d33c0d034ec89953986d191fe82e5f5ba297

SHA256
fbf0d947bf22491229799e2ddaca2484d24b1cd7e4be6945758a9a153cc98791

SHA512
afef8b35bbedbc91d4f5e196878c1f2f6564da216137e75cb7977e4c4563cf20d927552a722056ab4366bd29096098e3265c42e207e0eb55dbb351167413eaf9

Download Submit
C:\Users\Admin\AppData\Roaming\sdfge.exe
Filesize
469KB

MD5
82602aed5a4328fd0f432ac95f05a500

SHA1
83c7d33c0d034ec89953986d191fe82e5f5ba297

SHA256
fbf0d947bf22491229799e2ddaca2484d24b1cd7e4be6945758a9a153cc98791

SHA512
afef8b35bbedbc91d4f5e196878c1f2f6564da216137e75cb7977e4c4563cf20d927552a722056ab4366bd29096098e3265c42e207e0eb55dbb351167413eaf9

Download Submit
memory/2344-135-0x0000000000000000-mapping.dmp

Download
memory/3516-132-0x0000000000000000-mapping.dmp

Download
memory/3788-134-0x0000000000000000-mapping.dmp

Download
memory/4296-138-0x0000000000000000-mapping.dmp

Download
memory/4296-139-0x0000000000310000-0x000000000038F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads