remcos | 4cd7c54d51ada797e7e762ffac350136a63af9bdc09ee752b471db33958f002a

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18/10/2024, 11:33

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General

Target

asdasdad.exe
Size

4.6MB
MD5

27c80b24652246d65dff3b5106465062
SHA1

2e77b3a706dd179d16d81d2924a81140e313a0dc
SHA256

4cd7c54d51ada797e7e762ffac350136a63af9bdc09ee752b471db33958f002a
SHA512

d79a1db5ada829141d0ea25a6c59ae73630c012cdf084257d6182840b46c6befe223ba307f0741cc06de1dc31df342a035bdc3fef4367e397811286e37f760d2
SSDEEP

98304:su/DzSt97zOCb2hwSYRoYrydDMxE1AozDjFRPaKQ:suK/ie2hwSYRoYry50ExjFRPA

Score

10^/10

remcos amundi discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

AMUNDI

carracalbarmen.con-ip.com:1991

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-ZW6D0U
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MeterDesignerEditor = "C:\\Users\\Admin\\Music\\MeterDesignerUpdater\\MeterConvertVideo.exe"	asdasdad.exe

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	asdasdad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asdasdad.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4296	asdasdad.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 740 wrote to memory of 4296	740	asdasdad.exe	93
PID 740 wrote to memory of 4296	740	asdasdad.exe	93
PID 740 wrote to memory of 4296	740	asdasdad.exe	93
PID 740 wrote to memory of 4296	740	asdasdad.exe	93
PID 740 wrote to memory of 4296	740	asdasdad.exe	93

C:\Users\Admin\AppData\Local\Temp\asdasdad.exe
"C:\Users\Admin\AppData\Local\Temp\asdasdad.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:740
- C:\Users\Admin\AppData\Local\Temp\asdasdad.exe
  "C:\Users\Admin\AppData\Local\Temp\asdasdad.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4296

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
9a9ffbb609a3cfb74c5066c86aad3f14

SHA1
585c9a7c63f6c94d30e1a5eb449d9d2f44bc5558

SHA256
c0e5827962cf10c8dd60c079733eb773f9da86b879bd83a062d3527721d3cd2a

SHA512
868b52120102618cf162ee1be2fb6442b9d1d5ccaa6e49901a6782cd205809f9f1bafbee158cfb86bb770089678d88aaff2b36cdbb1dbddd3864c46073cb4f08

Download Submit
memory/740-6-0x0000000000400000-0x00000000008DA000-memory.dmp

Filesize
4.9MB

Download
memory/740-7-0x0000000000400000-0x00000000008DA000-memory.dmp

Filesize
4.9MB

Download
memory/740-3-0x0000000000400000-0x00000000008DA000-memory.dmp

Filesize
4.9MB

Download
memory/740-11-0x0000000000400000-0x00000000008DA000-memory.dmp

Filesize
4.9MB

Download
memory/740-10-0x0000000000400000-0x00000000008DA000-memory.dmp

Filesize
4.9MB

Download
memory/740-2-0x000000000050F000-0x0000000000528000-memory.dmp

Filesize
100KB

Download
memory/740-4-0x0000000000400000-0x00000000008DA000-memory.dmp

Filesize
4.9MB

Download
memory/740-20-0x000000000050F000-0x0000000000528000-memory.dmp

Filesize
100KB

Download
memory/740-1-0x0000000000400000-0x00000000008DA000-memory.dmp

Filesize
4.9MB

Download
memory/740-0-0x0000000000400000-0x00000000008DA000-memory.dmp

Filesize
4.9MB

Download
memory/4296-14-0x00000000008E0000-0x0000000000962000-memory.dmp

Filesize
520KB

Download
memory/4296-13-0x00000000008E0000-0x0000000000962000-memory.dmp

Filesize
520KB

Download
memory/4296-12-0x00000000008E0000-0x0000000000962000-memory.dmp

Filesize
520KB

Download
memory/4296-18-0x0000000000400000-0x00000000008DA000-memory.dmp

Filesize
4.9MB

Download
memory/4296-8-0x00000000008E0000-0x0000000000962000-memory.dmp

Filesize
520KB

Download
memory/4296-17-0x00000000008E0000-0x0000000000962000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads