remcos | 072af06267de015225401fdf15a685805e1205dc88078565012ca05c2a659774

General

Target
70da73aa37641731389f93982bbd68a7_JaffaCakes118.exe
Size 672KB
Sample240525-e2r2maee56
SHA256 072af06267de015225401fdf15a685805e1205dc88078565012ca05c2a659774
MD5 70da73aa37641731389f93982bbd68a7
SHA1 207d9e7fccf81b0ca2fceb0085eb8c71af86b8b2
SHA512 e9b2e198916e397f680d51f8831a13cfe09390f4939320adf52226834232f0ff3807c8a2e83d3dccfbcdb4ea3aeff8fe629f9b4c70225552754bbb2e6a78d0ef
SSDEEP 12288:6Dtr9rGclBsN6XX/K7W/Jjwh9xVfSC6zH7bkiKyRtTHPiaUIjR:6XrfiWXyCOh9xVf075KwKaBjR
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

remcos teams rat

Malware Config

Extracted

Family

remcos

Version

1.9.9 Pro

Botnet

teams

C2

kobiremcos2.punkdns.top:2563
kobiremcos3.punkdns.top:1989
kobiremcos.punkdns.top:3384
bio4kobs.geekgalaxy.com:3384

Attributes

audio_folder
audio
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
5
copy_file
remcos.exe
copy_folder
remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
install_path
%Temp%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
Remcos-VRVJ3M
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

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\70da73aa37641731389f93982bbd68a7_JaffaCakes118.exe	70da73aa37641731389f93982bbd68a7_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\70da73aa37641731389f93982bbd68a7_JaffaCakes118.exe	70da73aa37641731389f93982bbd68a7_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2812 set thread context of 2932	2812	70da73aa37641731389f93982bbd68a7_JaffaCakes118.exe	28
PID 2932 set thread context of 2532	2932	70da73aa37641731389f93982bbd68a7_JaffaCakes118.exe	29

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	70da73aa37641731389f93982bbd68a7_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	70da73aa37641731389f93982bbd68a7_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2532	iexplore.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2812 wrote to memory of 2932	2812	70da73aa37641731389f93982bbd68a7_JaffaCakes118.exe	28
PID 2812 wrote to memory of 2932	2812	70da73aa37641731389f93982bbd68a7_JaffaCakes118.exe	28
PID 2812 wrote to memory of 2932	2812	70da73aa37641731389f93982bbd68a7_JaffaCakes118.exe	28
PID 2812 wrote to memory of 2932	2812	70da73aa37641731389f93982bbd68a7_JaffaCakes118.exe	28
PID 2812 wrote to memory of 2932	2812	70da73aa37641731389f93982bbd68a7_JaffaCakes118.exe	28
PID 2812 wrote to memory of 2932	2812	70da73aa37641731389f93982bbd68a7_JaffaCakes118.exe	28
PID 2932 wrote to memory of 2532	2932	70da73aa37641731389f93982bbd68a7_JaffaCakes118.exe	29
PID 2932 wrote to memory of 2532	2932	70da73aa37641731389f93982bbd68a7_JaffaCakes118.exe	29
PID 2932 wrote to memory of 2532	2932	70da73aa37641731389f93982bbd68a7_JaffaCakes118.exe	29
PID 2932 wrote to memory of 2532	2932	70da73aa37641731389f93982bbd68a7_JaffaCakes118.exe	29
PID 2932 wrote to memory of 2532	2932	70da73aa37641731389f93982bbd68a7_JaffaCakes118.exe	29
PID 2932 wrote to memory of 2532	2932	70da73aa37641731389f93982bbd68a7_JaffaCakes118.exe	29
PID 2932 wrote to memory of 2532	2932	70da73aa37641731389f93982bbd68a7_JaffaCakes118.exe	29
PID 2932 wrote to memory of 2532	2932	70da73aa37641731389f93982bbd68a7_JaffaCakes118.exe	29
PID 2932 wrote to memory of 2532	2932	70da73aa37641731389f93982bbd68a7_JaffaCakes118.exe	29
PID 2932 wrote to memory of 2532	2932	70da73aa37641731389f93982bbd68a7_JaffaCakes118.exe	29
PID 2932 wrote to memory of 2532	2932	70da73aa37641731389f93982bbd68a7_JaffaCakes118.exe	29

C:\Users\Admin\AppData\Local\Temp\70da73aa37641731389f93982bbd68a7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\70da73aa37641731389f93982bbd68a7_JaffaCakes118.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2812
- C:\Users\Admin\AppData\Local\Temp\70da73aa37641731389f93982bbd68a7_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\70da73aa37641731389f93982bbd68a7_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2932
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2532

Network

MITRE ATT&CK Matrix

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Downloads

memory/2532-17-0x0000000000400000-0x000000000041D000-memory.dmp

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memory/2812-14-0x0000000003100000-0x0000000003282000-memory.dmp

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memory/2812-1-0x0000000000230000-0x0000000000231000-memory.dmp

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memory/2812-2-0x0000000000400000-0x0000000000582000-memory.dmp

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memory/2812-4-0x0000000000230000-0x0000000000231000-memory.dmp

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memory/2812-13-0x0000000000400000-0x0000000000582000-memory.dmp

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memory/2812-0-0x0000000000400000-0x0000000000582000-memory.dmp

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memory/2932-15-0x0000000000400000-0x000000000041D000-memory.dmp

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memory/2932-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/2932-6-0x0000000000400000-0x000000000041D000-memory.dmp

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memory/2932-16-0x0000000000400000-0x000000000041D000-memory.dmp

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memory/2932-9-0x0000000000400000-0x000000000041D000-memory.dmp

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memory/2932-20-0x0000000000400000-0x000000000041D000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads