remcos | 52b147dfc248835da236c6becbfce38ab5706e94202f05024b14fe0a1545b183

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28-11-2024 18:05

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General

Target

Payment.Advice.exe
Size

28KB
MD5

06b1db936e774152deee29df23e666a8
SHA1

ea3c2520c08591b457d7139d8226b183b3a5cd38
SHA256

f71be61fe5a879ff3a5f53a9e8a092b43b6a97ee3c96e9b7e2df5c2ddfe0c51a
SHA512

291f3a89404d9b8c7bb4d677bc741a1bc059cb5079ca42e6645ad52317d90cbbab2dad67e54c62e0dd915a64c7e81cced1bcb1d83203675c46a0779163e5fefc
SSDEEP

768:bQjy5G5tItmxH2dIFyyXOLTqWEDDunXm:bj5G5ik2dIFyykqWSun2

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

41.216.183.238:7112

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-Y7J88P
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
Remcos family
remcos

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 1104 created 3436	1104	Payment.Advice.exe	56

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Data.vbs	Payment.Advice.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1104 set thread context of 2472	1104	Payment.Advice.exe	89

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	InstallUtil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Payment.Advice.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1104	Payment.Advice.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1104	Payment.Advice.exe
Token: SeDebugPrivilege	1104	Payment.Advice.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1104 wrote to memory of 2472	1104	Payment.Advice.exe	89
PID 1104 wrote to memory of 2472	1104	Payment.Advice.exe	89
PID 1104 wrote to memory of 2472	1104	Payment.Advice.exe	89
PID 1104 wrote to memory of 2472	1104	Payment.Advice.exe	89
PID 1104 wrote to memory of 2472	1104	Payment.Advice.exe	89
PID 1104 wrote to memory of 2472	1104	Payment.Advice.exe	89
PID 1104 wrote to memory of 2472	1104	Payment.Advice.exe	89
PID 1104 wrote to memory of 2472	1104	Payment.Advice.exe	89
PID 1104 wrote to memory of 2472	1104	Payment.Advice.exe	89
PID 1104 wrote to memory of 2472	1104	Payment.Advice.exe	89
PID 1104 wrote to memory of 2472	1104	Payment.Advice.exe	89
PID 1104 wrote to memory of 2472	1104	Payment.Advice.exe	89

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3436
- C:\Users\Admin\AppData\Local\Temp\Payment.Advice.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment.Advice.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Drops startup file
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1104
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2472

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1104-0-0x00000000750CE000-0x00000000750CF000-memory.dmp

Filesize
4KB

Download
memory/1104-1-0x0000000000900000-0x000000000090C000-memory.dmp

Filesize
48KB

Download
memory/1104-2-0x0000000005770000-0x0000000005D14000-memory.dmp

Filesize
5.6MB

Download
memory/1104-3-0x0000000005260000-0x00000000052F2000-memory.dmp

Filesize
584KB

Download
memory/1104-4-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/1104-5-0x00000000051F0000-0x00000000051FA000-memory.dmp

Filesize
40KB

Download
memory/1104-6-0x0000000006EE0000-0x0000000007006000-memory.dmp

Filesize
1.1MB

Download
memory/1104-7-0x0000000006EE0000-0x0000000007000000-memory.dmp

Filesize
1.1MB

Download
memory/1104-14-0x0000000006EE0000-0x0000000007000000-memory.dmp

Filesize
1.1MB

Download
memory/1104-48-0x0000000006EE0000-0x0000000007000000-memory.dmp

Filesize
1.1MB

Download
memory/1104-54-0x0000000006EE0000-0x0000000007000000-memory.dmp

Filesize
1.1MB

Download
memory/1104-70-0x0000000006EE0000-0x0000000007000000-memory.dmp

Filesize
1.1MB

Download
memory/1104-68-0x0000000006EE0000-0x0000000007000000-memory.dmp

Filesize
1.1MB

Download
memory/1104-66-0x0000000006EE0000-0x0000000007000000-memory.dmp

Filesize
1.1MB

Download
memory/1104-64-0x0000000006EE0000-0x0000000007000000-memory.dmp

Filesize
1.1MB

Download
memory/1104-62-0x0000000006EE0000-0x0000000007000000-memory.dmp

Filesize
1.1MB

Download
memory/1104-60-0x0000000006EE0000-0x0000000007000000-memory.dmp

Filesize
1.1MB

Download
memory/1104-58-0x0000000006EE0000-0x0000000007000000-memory.dmp

Filesize
1.1MB

Download
memory/1104-56-0x0000000006EE0000-0x0000000007000000-memory.dmp

Filesize
1.1MB

Download
memory/1104-52-0x0000000006EE0000-0x0000000007000000-memory.dmp

Filesize
1.1MB

Download
memory/1104-50-0x0000000006EE0000-0x0000000007000000-memory.dmp

Filesize
1.1MB

Download
memory/1104-46-0x0000000006EE0000-0x0000000007000000-memory.dmp

Filesize
1.1MB

Download
memory/1104-44-0x0000000006EE0000-0x0000000007000000-memory.dmp

Filesize
1.1MB

Download
memory/1104-42-0x0000000006EE0000-0x0000000007000000-memory.dmp

Filesize
1.1MB

Download
memory/1104-40-0x0000000006EE0000-0x0000000007000000-memory.dmp

Filesize
1.1MB

Download
memory/1104-34-0x0000000006EE0000-0x0000000007000000-memory.dmp

Filesize
1.1MB

Download
memory/1104-32-0x0000000006EE0000-0x0000000007000000-memory.dmp

Filesize
1.1MB

Download
memory/1104-30-0x0000000006EE0000-0x0000000007000000-memory.dmp

Filesize
1.1MB

Download
memory/1104-28-0x0000000006EE0000-0x0000000007000000-memory.dmp

Filesize
1.1MB

Download
memory/1104-26-0x0000000006EE0000-0x0000000007000000-memory.dmp

Filesize
1.1MB

Download
memory/1104-24-0x0000000006EE0000-0x0000000007000000-memory.dmp

Filesize
1.1MB

Download
memory/1104-23-0x0000000006EE0000-0x0000000007000000-memory.dmp

Filesize
1.1MB

Download
memory/1104-21-0x0000000006EE0000-0x0000000007000000-memory.dmp

Filesize
1.1MB

Download
memory/1104-16-0x0000000006EE0000-0x0000000007000000-memory.dmp

Filesize
1.1MB

Download
memory/1104-12-0x0000000006EE0000-0x0000000007000000-memory.dmp

Filesize
1.1MB

Download
memory/1104-10-0x0000000006EE0000-0x0000000007000000-memory.dmp

Filesize
1.1MB

Download
memory/1104-8-0x0000000006EE0000-0x0000000007000000-memory.dmp

Filesize
1.1MB

Download
memory/1104-38-0x0000000006EE0000-0x0000000007000000-memory.dmp

Filesize
1.1MB

Download
memory/1104-36-0x0000000006EE0000-0x0000000007000000-memory.dmp

Filesize
1.1MB

Download
memory/1104-18-0x0000000006EE0000-0x0000000007000000-memory.dmp

Filesize
1.1MB

Download
memory/1104-1183-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/1104-1184-0x0000000007110000-0x00000000071A6000-memory.dmp

Filesize
600KB

Download
memory/1104-1185-0x00000000071B0000-0x00000000071FC000-memory.dmp

Filesize
304KB

Download
memory/1104-1186-0x00000000750CE000-0x00000000750CF000-memory.dmp

Filesize
4KB

Download
memory/1104-1187-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/1104-1188-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/1104-1189-0x0000000006B00000-0x0000000006B54000-memory.dmp

Filesize
336KB

Download
memory/1104-1196-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/1104-1194-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/1104-1198-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/1104-1199-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/1104-1206-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/2472-1205-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2472-1212-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download