remcos | c8507b55aaf989c756c364b600c98789de3906fc4e69902716054d286d039859

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
05/07/2024, 12:30

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General

Target
4.exe
Size 1.2MB
Sample240705-ppwt6aybpq
SHA256 c8507b55aaf989c756c364b600c98789de3906fc4e69902716054d286d039859
MD5 7b034ed5af20ee0f253845fdcac36600
SHA1 b33f0471b4af9b01eee21ebad444352355e862a1
SHA512 863a4219141391ae3c7352d835b62c98057b927cfbbfdc4f669caa8d74bbb1a43dd72c5933587aa458ff9b1e1268bbc9501dda37e34301cb01c0939637d3845b
SSDEEP 24576:DAHnh+eWsN3skA4RV1Hom2KXMmHa4in1Usf06brgUho4wEcoikw/xW5:Oh+ZkldoPK8Ya4in9fZ434hcoib6
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

remcos remotehost rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

192.3.64.149:2888

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-7Q1GRN
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

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2224 set thread context of 3940	2224	4.exe	85
PID 3940 set thread context of 3100	3940	svchost.exe	86

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3940	svchost.exe
3940	svchost.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2224	4.exe
3940	svchost.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2224	4.exe
2224	4.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2224	4.exe
2224	4.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2224 wrote to memory of 3940	2224	4.exe	85
PID 2224 wrote to memory of 3940	2224	4.exe	85
PID 2224 wrote to memory of 3940	2224	4.exe	85
PID 2224 wrote to memory of 3940	2224	4.exe	85
PID 3940 wrote to memory of 3100	3940	svchost.exe	86
PID 3940 wrote to memory of 3100	3940	svchost.exe	86
PID 3940 wrote to memory of 3100	3940	svchost.exe	86
PID 3940 wrote to memory of 3100	3940	svchost.exe	86

C:\Users\Admin\AppData\Local\Temp\4.exe
"C:\Users\Admin\AppData\Local\Temp\4.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2224
- C:\Windows\SysWOW64\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\4.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:3940
- - \??\c:\program files (x86)\internet explorer\iexplore.exe
    "c:\program files (x86)\internet explorer\iexplore.exe"
    3⤵
    PID:3100

Network

MITRE ATT&CK Matrix

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Downloads

memory/2224-10-0x0000000003120000-0x0000000003124000-memory.dmp

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memory/3100-15-0x00000000009D0000-0x00000000009DE000-memory.dmp

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memory/3100-16-0x00000000009D0000-0x00000000009DE000-memory.dmp

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memory/3100-19-0x00000000009D0000-0x00000000009DE000-memory.dmp

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memory/3100-18-0x00000000009D0000-0x00000000009DE000-memory.dmp

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memory/3940-11-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/3940-12-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/3940-13-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/3940-14-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/3940-20-0x0000000000400000-0x0000000000482000-memory.dmp

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