remcos | 66c41f2310824c8b5b2365a2283d28c5b47d2a829afa45a1b00b710259d9622d

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24/09/2024, 19:46

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General

Target

QUOTATION.exe
Size

900KB
MD5

a1e1f9aef9a168423b2f0cd1dbe2ba9a
SHA1

921abb3a628f79b295c92d7298da8dfedc1b9376
SHA256

66c41f2310824c8b5b2365a2283d28c5b47d2a829afa45a1b00b710259d9622d
SHA512

6281720fd5a85723cb6cc85845fa4895cf0190cad58a4924c2a36a0d7d7b6f41b4a2f1c7bf005e969c5e973294c287a3c5c1c2c91029fd40b0d6a697e2bcd673
SSDEEP

24576:kpdp7oz4EdD2Vw6byE1MVoLVKbG65MyekkQ40e8nk9IN:kP7iqLy5VoLVCdJe5QX

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

www.projectusf.com:2404

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
gfh
mouse_option
false
mutex
Rmc-J91LMC
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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1808	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2856 set thread context of 2268	2856	QUOTATION.exe	34

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	QUOTATION.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	QUOTATION.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2816	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1808	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1808	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2268	QUOTATION.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 1808	2856	QUOTATION.exe	30
PID 2856 wrote to memory of 1808	2856	QUOTATION.exe	30
PID 2856 wrote to memory of 1808	2856	QUOTATION.exe	30
PID 2856 wrote to memory of 1808	2856	QUOTATION.exe	30
PID 2856 wrote to memory of 2816	2856	QUOTATION.exe	32
PID 2856 wrote to memory of 2816	2856	QUOTATION.exe	32
PID 2856 wrote to memory of 2816	2856	QUOTATION.exe	32
PID 2856 wrote to memory of 2816	2856	QUOTATION.exe	32
PID 2856 wrote to memory of 2268	2856	QUOTATION.exe	34
PID 2856 wrote to memory of 2268	2856	QUOTATION.exe	34
PID 2856 wrote to memory of 2268	2856	QUOTATION.exe	34
PID 2856 wrote to memory of 2268	2856	QUOTATION.exe	34
PID 2856 wrote to memory of 2268	2856	QUOTATION.exe	34
PID 2856 wrote to memory of 2268	2856	QUOTATION.exe	34
PID 2856 wrote to memory of 2268	2856	QUOTATION.exe	34
PID 2856 wrote to memory of 2268	2856	QUOTATION.exe	34
PID 2856 wrote to memory of 2268	2856	QUOTATION.exe	34
PID 2856 wrote to memory of 2268	2856	QUOTATION.exe	34
PID 2856 wrote to memory of 2268	2856	QUOTATION.exe	34
PID 2856 wrote to memory of 2268	2856	QUOTATION.exe	34
PID 2856 wrote to memory of 2268	2856	QUOTATION.exe	34

C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe
"C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2856
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AWLIvgmtRIHlb.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1808
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AWLIvgmtRIHlb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9415.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2816
- C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe
  "C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2268

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\gfh\logs.dat

Filesize
144B

MD5
30233ff665d3de52024d4c08b7b98e18

SHA1
a195707fad02a8ab1eddd6090d85dedab9f7a933

SHA256
3c5e6a0f57a4963b4436c42fe6acf7be2742d0557fb48e5aa92c6b99d7015e09

SHA512
9cff675b5d3744acc0b4732ef297490c8e9fdf7e431efa8d1df7dd276050002835951bffdd70bc5ecdf22796ad03b592638c5b9361e15cb593d4176a9b2935ca

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9415.tmp

Filesize
1KB

MD5
fdc0f0bfdd285b56b659d9d0f446c567

SHA1
bcaf25f7bf804b0f57e8462bde156380a72fe4c4

SHA256
9a888ffd859e00c3937992e1a906e4fe5f98805372fa63d76618f63157721d4e

SHA512
d35332c4015a778e0852372259e75a0ee28fd5e171d7401b492801f1b3e52cc98b28e7c55062fe1eb37474602b3023ab2311d1c15b5950f68183d3fd28f455cd

Download Submit
memory/2268-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-69-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-88-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-87-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2268-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-86-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-85-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-83-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-82-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-81-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-53-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-58-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-79-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-54-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-57-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-52-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-60-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-62-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-63-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-64-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-65-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-67-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-68-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-71-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-72-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-73-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-74-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-76-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-77-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2268-78-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2856-37-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2856-6-0x0000000004F60000-0x0000000005020000-memory.dmp

Filesize
768KB

Download
memory/2856-5-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2856-4-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

Filesize
4KB

Download
memory/2856-3-0x00000000004E0000-0x00000000004F2000-memory.dmp

Filesize
72KB

Download
memory/2856-2-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2856-1-0x00000000002F0000-0x00000000003D8000-memory.dmp

Filesize
928KB

Download
memory/2856-0-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

Filesize
4KB

Download