remcos | 2afce120f76ed24a41e04c899f841893e821fcd33120e60988fb19d20c09f14c

General

Target

VID-202501190942.exe
Size

826KB
MD5

903444ae394ffaae2785efa7de12e44f
SHA1

7115d8f316263a94d0373c478bb03ecf70682fa2
SHA256

f00ef6cb0fffd162e4a57c26c64e1163fb0f2b1361bda56112da4f201fe260df
SHA512

1d82bf46b52d1bc9cfa759e324b3945f6eb715d8be7cbc8f3ec6e454750a0ff095e97ef425abc5020b75aa74efeda4aea358a8b37d1ebe9ac1ac3fa5bfe8f88c
SSDEEP

12288:JiCPnAdfah9q6RNxBQBcmBmozOI4zxaztFn53741q/I1NW:RfAdfah9qgBQcKr4saq/I1NW

Score

10^/10

remcos 16465-bare discovery rat

Malware Config

Extracted

Family

remcos

Botnet

16465-Bare

C2

rem.oceanchemexport.co:16465

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
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
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-926GGP
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1628 set thread context of 2976	1628	VID-202501190942.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 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	VID-202501190942.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AddInProcess32.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1628	VID-202501190942.exe
1628	VID-202501190942.exe
1628	VID-202501190942.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1628	VID-202501190942.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 2976	1628	VID-202501190942.exe	30
PID 1628 wrote to memory of 2976	1628	VID-202501190942.exe	30
PID 1628 wrote to memory of 2976	1628	VID-202501190942.exe	30
PID 1628 wrote to memory of 2976	1628	VID-202501190942.exe	30
PID 1628 wrote to memory of 2976	1628	VID-202501190942.exe	30
PID 1628 wrote to memory of 2976	1628	VID-202501190942.exe	30
PID 1628 wrote to memory of 2976	1628	VID-202501190942.exe	30
PID 1628 wrote to memory of 2976	1628	VID-202501190942.exe	30
PID 1628 wrote to memory of 2976	1628	VID-202501190942.exe	30
PID 1628 wrote to memory of 2976	1628	VID-202501190942.exe	30
PID 1628 wrote to memory of 2976	1628	VID-202501190942.exe	30

C:\Users\Admin\AppData\Local\Temp\VID-202501190942.exe
"C:\Users\Admin\AppData\Local\Temp\VID-202501190942.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2976

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1628-0-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/1628-1-0x00000000012A0000-0x0000000001374000-memory.dmp

Filesize
848KB

Download
memory/1628-2-0x0000000000730000-0x0000000000772000-memory.dmp

Filesize
264KB

Download
memory/1628-3-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/1628-4-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/1628-5-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/1628-6-0x0000000000AE0000-0x0000000000AFA000-memory.dmp

Filesize
104KB

Download
memory/1628-7-0x0000000000540000-0x0000000000546000-memory.dmp

Filesize
24KB

Download
memory/1628-8-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/1628-21-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/1628-17-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/2976-9-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2976-10-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2976-13-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2976-14-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2976-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2976-12-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2976-18-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2976-20-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2976-19-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2976-11-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2976-22-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2976-23-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2976-24-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2976-25-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2976-27-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2976-28-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2976-29-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2976-30-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2976-31-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download

Analysis

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