remcos | b1e3651ef40eaf11bc8471fa88d0f743d41bbca9d71c65271581076e55dd1899

General

Target

ACHUBABALO.exe
Size

2.3MB
MD5

e70b644872ce35311bb5195272075c04
SHA1

dbd7db712fd3eb5f018cbe5bc6d5899f0c0e7024
SHA256

77832184096060c1e05b236138b162b009218c3ba698573c32939fe1456a3c1d
SHA512

0cef88c2a00522e5a56fec62e5096740ffdd864ce1c476ab51b9948633bd456b59f0f8824245e5bc71b75b24e483be3e0f3a4e889f2eb3fa79b394f122d8574c
SSDEEP

49152:qI0qyQ4xwGa38JIhZrOrJ/DpKzPW5NJV050+aZTzJRAle:YVMI/DaP09FTlae

Score

10^/10

remcos mimi persistence rat

Malware Config

Extracted

Family

remcos

Botnet

mimi

C2

185.206.225.51:18853

127.0.0.1:18853

10.16.225.165:18853

Attributes

audio_folder
MicRecords
audio_path
%AppData%
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
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
Remcos-UVAOQ7
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

ACHUBABALO.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\Vucxjxyxas = "\"C:\\Users\\Admin\\AppData\\Roaming\\Bvgew\\Vucxjxyxas.exe\""	ACHUBABALO.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

ACHUBABALO.exe

description pid process target process

PID 1640 set thread context of 1924 1640 ACHUBABALO.exe ACHUBABALO.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exeACHUBABALO.exe

pid process

1180 powershell.exe
1640 ACHUBABALO.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ACHUBABALO.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1640 ACHUBABALO.exe
Token: SeDebugPrivilege 1180 powershell.exe

description	pid	process	target process
PID 1640 set thread context of 1924	1640	ACHUBABALO.exe	ACHUBABALO.exe

pid	process
1180	powershell.exe
1640	ACHUBABALO.exe

description	pid	process
Token: SeDebugPrivilege	1640	ACHUBABALO.exe
Token: SeDebugPrivilege	1180	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

ACHUBABALO.exe

description	pid	process	target process
PID 1640 wrote to memory of 1180	1640	ACHUBABALO.exe	powershell.exe
PID 1640 wrote to memory of 1180	1640	ACHUBABALO.exe	powershell.exe
PID 1640 wrote to memory of 1180	1640	ACHUBABALO.exe	powershell.exe
PID 1640 wrote to memory of 1180	1640	ACHUBABALO.exe	powershell.exe
PID 1640 wrote to memory of 1504	1640	ACHUBABALO.exe	ACHUBABALO.exe
PID 1640 wrote to memory of 1504	1640	ACHUBABALO.exe	ACHUBABALO.exe
PID 1640 wrote to memory of 1504	1640	ACHUBABALO.exe	ACHUBABALO.exe
PID 1640 wrote to memory of 1504	1640	ACHUBABALO.exe	ACHUBABALO.exe
PID 1640 wrote to memory of 1924	1640	ACHUBABALO.exe	ACHUBABALO.exe
PID 1640 wrote to memory of 1924	1640	ACHUBABALO.exe	ACHUBABALO.exe
PID 1640 wrote to memory of 1924	1640	ACHUBABALO.exe	ACHUBABALO.exe
PID 1640 wrote to memory of 1924	1640	ACHUBABALO.exe	ACHUBABALO.exe
PID 1640 wrote to memory of 1924	1640	ACHUBABALO.exe	ACHUBABALO.exe
PID 1640 wrote to memory of 1924	1640	ACHUBABALO.exe	ACHUBABALO.exe
PID 1640 wrote to memory of 1924	1640	ACHUBABALO.exe	ACHUBABALO.exe
PID 1640 wrote to memory of 1924	1640	ACHUBABALO.exe	ACHUBABALO.exe
PID 1640 wrote to memory of 1924	1640	ACHUBABALO.exe	ACHUBABALO.exe
PID 1640 wrote to memory of 1924	1640	ACHUBABALO.exe	ACHUBABALO.exe
PID 1640 wrote to memory of 1924	1640	ACHUBABALO.exe	ACHUBABALO.exe
PID 1640 wrote to memory of 1924	1640	ACHUBABALO.exe	ACHUBABALO.exe
PID 1640 wrote to memory of 1924	1640	ACHUBABALO.exe	ACHUBABALO.exe

C:\Users\Admin\AppData\Local\Temp\ACHUBABALO.exe
"C:\Users\Admin\AppData\Local\Temp\ACHUBABALO.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1640

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1180

C:\Users\Admin\AppData\Local\Temp\ACHUBABALO.exe
C:\Users\Admin\AppData\Local\Temp\ACHUBABALO.exe
2⤵
PID:1504

C:\Users\Admin\AppData\Local\Temp\ACHUBABALO.exe
C:\Users\Admin\AppData\Local\Temp\ACHUBABALO.exe
2⤵
PID:1924

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1180-56-0x0000000000000000-mapping.dmp

Download
memory/1180-57-0x00000000757B1000-0x00000000757B3000-memory.dmp

Filesize
8KB

Download
memory/1180-58-0x000000006E560000-0x000000006EB0B000-memory.dmp

Filesize
5.7MB

Download
memory/1180-59-0x000000006E560000-0x000000006EB0B000-memory.dmp

Filesize
5.7MB

Download
memory/1640-54-0x0000000000EC0000-0x000000000111E000-memory.dmp

Filesize
2.4MB

Download
memory/1640-55-0x0000000004B80000-0x0000000004DD8000-memory.dmp

Filesize
2.3MB

Download
memory/1924-63-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/1924-61-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/1924-60-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/1924-66-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/1924-65-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/1924-67-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/1924-70-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/1924-68-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/1924-73-0x000000000043133D-mapping.dmp

Download
memory/1924-72-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/1924-76-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/1924-77-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/1924-78-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download

Analysis

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