remcos | 9c28e36405c311ffb063f1afa6f478d18923101078d042d3bfc6148475b34969

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24/10/2024, 01:57

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

9c28e36405c311ffb063f1afa6f478d18923101078d042d3bfc6148475b34969.exe
Size

998KB
MD5

be9d3be706b969e50ed34ee2de1d0211
SHA1

bfb87c1fab93ec80c0cd56620f447fa00e59a47a
SHA256

9c28e36405c311ffb063f1afa6f478d18923101078d042d3bfc6148475b34969
SHA512

33dd0b89b784026b25d111fdf067d623cef07f00b6eba0e456cdfa9c59b2cb3134dacead18f6cec253ec393c6ddda8d8b8911edba1a3dd91541a88358d3f3875
SSDEEP

24576:RoUQcYoPrA5P1hsPZc85fBHPQpGir7ubrBojoFaO2jqhpuOmq:r41YiYZEnqrnr2jqvu8

Score

10^/10

remcos 76485 discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

76485

windowsocttehe.duckdns.org:52411

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
764-0XPV9J
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

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
3024	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2232 set thread context of 2772	2232	9c28e36405c311ffb063f1afa6f478d18923101078d042d3bfc6148475b34969.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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9c28e36405c311ffb063f1afa6f478d18923101078d042d3bfc6148475b34969.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9c28e36405c311ffb063f1afa6f478d18923101078d042d3bfc6148475b34969.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
2760	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2232	9c28e36405c311ffb063f1afa6f478d18923101078d042d3bfc6148475b34969.exe
2232	9c28e36405c311ffb063f1afa6f478d18923101078d042d3bfc6148475b34969.exe
2232	9c28e36405c311ffb063f1afa6f478d18923101078d042d3bfc6148475b34969.exe
3024	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2232	9c28e36405c311ffb063f1afa6f478d18923101078d042d3bfc6148475b34969.exe
Token: SeDebugPrivilege	3024	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 3024	2232	9c28e36405c311ffb063f1afa6f478d18923101078d042d3bfc6148475b34969.exe	30
PID 2232 wrote to memory of 3024	2232	9c28e36405c311ffb063f1afa6f478d18923101078d042d3bfc6148475b34969.exe	30
PID 2232 wrote to memory of 3024	2232	9c28e36405c311ffb063f1afa6f478d18923101078d042d3bfc6148475b34969.exe	30
PID 2232 wrote to memory of 3024	2232	9c28e36405c311ffb063f1afa6f478d18923101078d042d3bfc6148475b34969.exe	30
PID 2232 wrote to memory of 2760	2232	9c28e36405c311ffb063f1afa6f478d18923101078d042d3bfc6148475b34969.exe	31
PID 2232 wrote to memory of 2760	2232	9c28e36405c311ffb063f1afa6f478d18923101078d042d3bfc6148475b34969.exe	31
PID 2232 wrote to memory of 2760	2232	9c28e36405c311ffb063f1afa6f478d18923101078d042d3bfc6148475b34969.exe	31
PID 2232 wrote to memory of 2760	2232	9c28e36405c311ffb063f1afa6f478d18923101078d042d3bfc6148475b34969.exe	31
PID 2232 wrote to memory of 2772	2232	9c28e36405c311ffb063f1afa6f478d18923101078d042d3bfc6148475b34969.exe	34
PID 2232 wrote to memory of 2772	2232	9c28e36405c311ffb063f1afa6f478d18923101078d042d3bfc6148475b34969.exe	34
PID 2232 wrote to memory of 2772	2232	9c28e36405c311ffb063f1afa6f478d18923101078d042d3bfc6148475b34969.exe	34
PID 2232 wrote to memory of 2772	2232	9c28e36405c311ffb063f1afa6f478d18923101078d042d3bfc6148475b34969.exe	34
PID 2232 wrote to memory of 2772	2232	9c28e36405c311ffb063f1afa6f478d18923101078d042d3bfc6148475b34969.exe	34
PID 2232 wrote to memory of 2772	2232	9c28e36405c311ffb063f1afa6f478d18923101078d042d3bfc6148475b34969.exe	34
PID 2232 wrote to memory of 2772	2232	9c28e36405c311ffb063f1afa6f478d18923101078d042d3bfc6148475b34969.exe	34
PID 2232 wrote to memory of 2772	2232	9c28e36405c311ffb063f1afa6f478d18923101078d042d3bfc6148475b34969.exe	34
PID 2232 wrote to memory of 2772	2232	9c28e36405c311ffb063f1afa6f478d18923101078d042d3bfc6148475b34969.exe	34
PID 2232 wrote to memory of 2772	2232	9c28e36405c311ffb063f1afa6f478d18923101078d042d3bfc6148475b34969.exe	34
PID 2232 wrote to memory of 2772	2232	9c28e36405c311ffb063f1afa6f478d18923101078d042d3bfc6148475b34969.exe	34
PID 2232 wrote to memory of 2772	2232	9c28e36405c311ffb063f1afa6f478d18923101078d042d3bfc6148475b34969.exe	34
PID 2232 wrote to memory of 2772	2232	9c28e36405c311ffb063f1afa6f478d18923101078d042d3bfc6148475b34969.exe	34

C:\Users\Admin\AppData\Local\Temp\9c28e36405c311ffb063f1afa6f478d18923101078d042d3bfc6148475b34969.exe
"C:\Users\Admin\AppData\Local\Temp\9c28e36405c311ffb063f1afa6f478d18923101078d042d3bfc6148475b34969.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zQjnGjUb.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3024
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zQjnGjUb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA785.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2760
- C:\Users\Admin\AppData\Local\Temp\9c28e36405c311ffb063f1afa6f478d18923101078d042d3bfc6148475b34969.exe
  "C:\Users\Admin\AppData\Local\Temp\9c28e36405c311ffb063f1afa6f478d18923101078d042d3bfc6148475b34969.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2772

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA785.tmp

Filesize
1KB

MD5
02f66d55948d2894e7ddc2ce22a0087f

SHA1
6e3a9ca2e8c3860fd8c28edfb1ef59b3a824915f

SHA256
5451278880e017b75e182fc2056d5e116c20719f8c796617b69d516e031f5ebf

SHA512
8f3730961fa49f899e08420409d581cd4f062d38bdc4c6470d714eac2d41f0a9390682c24f6d394afd276253fe048b7012d7fffae7abe576d1810750fa0a36ea

Download Submit
memory/2232-0-0x000000007432E000-0x000000007432F000-memory.dmp

Filesize
4KB

Download
memory/2232-1-0x00000000012A0000-0x00000000013A0000-memory.dmp

Filesize
1024KB

Download
memory/2232-2-0x0000000074320000-0x0000000074A0E000-memory.dmp

Filesize
6.9MB

Download
memory/2232-3-0x00000000008A0000-0x00000000008BE000-memory.dmp

Filesize
120KB

Download
memory/2232-4-0x000000007432E000-0x000000007432F000-memory.dmp

Filesize
4KB

Download
memory/2232-5-0x0000000074320000-0x0000000074A0E000-memory.dmp

Filesize
6.9MB

Download
memory/2232-6-0x000000000A730000-0x000000000A7EE000-memory.dmp

Filesize
760KB

Download
memory/2232-33-0x0000000074320000-0x0000000074A0E000-memory.dmp

Filesize
6.9MB

Download
memory/2772-12-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2772-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-35-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-49-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-50-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-51-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-52-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-53-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-54-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-56-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-57-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-58-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-59-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-60-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-61-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-62-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-63-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-64-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-65-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-66-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-67-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-68-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-69-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-71-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-73-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-74-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-75-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-76-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-77-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2772-78-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download