remcos | 1df5b2a41831081a752bfd626acb7e216d0c03b0e1b1a7c829a7348a54833c58

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12-09-2024 09:05

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General

Target

PO#0774.exe
Size

1.7MB
MD5

2ba2caed8e7776c9895db0a3e5e0714c
SHA1

a3db8f2e22f6674ec60f6fbb11adf1bf65986827
SHA256

1df5b2a41831081a752bfd626acb7e216d0c03b0e1b1a7c829a7348a54833c58
SHA512

5ca99a0247c154b78a48f0e1b9e663f4ed6f4f1a78f0ff0d93e8d8579d419051ace94d8b91d3889b83f4c227ed387641614365e0ee5e81f23f409654b86677ee
SSDEEP

24576:nIx+lXcmg/23DrVykOe1L2gj/EjuJajIA:nrlXc3kVJzBjIuo

Score

10^/10

remcos remotehost rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

127.0.0.1:52121

officerem.duckdns.org:52121

Attributes

audio_folder
MicRecords
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-6GPUH1
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4632 set thread context of 2092	4632	PO#0774.exe	86

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4440	2092	WerFault.exe	86

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4632 wrote to memory of 2092	4632	PO#0774.exe	86
PID 4632 wrote to memory of 2092	4632	PO#0774.exe	86
PID 4632 wrote to memory of 2092	4632	PO#0774.exe	86
PID 4632 wrote to memory of 2092	4632	PO#0774.exe	86
PID 4632 wrote to memory of 2092	4632	PO#0774.exe	86
PID 4632 wrote to memory of 2092	4632	PO#0774.exe	86
PID 4632 wrote to memory of 2092	4632	PO#0774.exe	86
PID 4632 wrote to memory of 2092	4632	PO#0774.exe	86
PID 4632 wrote to memory of 2092	4632	PO#0774.exe	86
PID 4632 wrote to memory of 2092	4632	PO#0774.exe	86
PID 4632 wrote to memory of 2092	4632	PO#0774.exe	86
PID 4632 wrote to memory of 2092	4632	PO#0774.exe	86

C:\Users\Admin\AppData\Local\Temp\PO#0774.exe
"C:\Users\Admin\AppData\Local\Temp\PO#0774.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4632
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe"
  2⤵
  PID:2092
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2092 -s 12
    3⤵
    - Program crash
    PID:4440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2092 -ip 2092
1⤵
PID:3568

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2092-4-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4632-0-0x00007FFE45553000-0x00007FFE45555000-memory.dmp

Filesize
8KB

Download
memory/4632-1-0x00000258730D0000-0x00000258730D8000-memory.dmp

Filesize
32KB

Download
memory/4632-2-0x00007FFE45550000-0x00007FFE46011000-memory.dmp

Filesize
10.8MB

Download
memory/4632-3-0x00000258755B0000-0x000002587567E000-memory.dmp

Filesize
824KB

Download
memory/4632-5-0x00007FFE45550000-0x00007FFE46011000-memory.dmp

Filesize
10.8MB

Download