remcos | d8c426e36e50d3a7f8f51f8fb624959e3c985885c5d1713dff3b2803f393d2be

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
26-12-2024 19:33

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General

Target

5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe
Size

613KB
MD5

6ffe0bd2a7d5aa9ca097c61562634d7b
SHA1

02d7fa0c0bec4aaf4aa3473d9bb7c3d4b3dede79
SHA256

5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af
SHA512

2bb3c86904251008b52b287234254f35a1e506ad6b7d8c9252406fddb4b3f21f344a945071d0450538088a99f511ea38d5934af6968de033e0df58b594de5cc6
SSDEEP

12288:ETeUiXmhvW6vx6QYaA9bJMLg+wADijJJsfPKey1:EaUaYbvx6Qxm+gxPtWqe

Score

10^/10

remcos ne me discovery execution rat

Malware Config

Extracted

Family

remcos

Version

2.7.1 Pro

Botnet

NE ME

goddywin.freedynamicdns.net:6712

Attributes

audio_folder
MicRecords
audio_path
%AppData%
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
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
Remcos-M8SST8
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
take_screenshot_title
wikipedia;solitaire;

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Remcos family
remcos

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

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

execution

PowerShell

T1059.001

pid	Process
1784	powershell.exe
280	powershell.exe
848	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2380 set thread context of 376	2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe	40

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 6 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
1976	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe
2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe
2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe
2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe
2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe
280	powershell.exe
1784	powershell.exe
848	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe
Token: SeDebugPrivilege	280	powershell.exe
Token: SeDebugPrivilege	1784	powershell.exe
Token: SeDebugPrivilege	848	powershell.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 1784	2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe	31
PID 2380 wrote to memory of 1784	2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe	31
PID 2380 wrote to memory of 1784	2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe	31
PID 2380 wrote to memory of 1784	2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe	31
PID 2380 wrote to memory of 280	2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe	33
PID 2380 wrote to memory of 280	2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe	33
PID 2380 wrote to memory of 280	2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe	33
PID 2380 wrote to memory of 280	2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe	33
PID 2380 wrote to memory of 1976	2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe	34
PID 2380 wrote to memory of 1976	2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe	34
PID 2380 wrote to memory of 1976	2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe	34
PID 2380 wrote to memory of 1976	2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe	34
PID 2380 wrote to memory of 848	2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe	37
PID 2380 wrote to memory of 848	2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe	37
PID 2380 wrote to memory of 848	2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe	37
PID 2380 wrote to memory of 848	2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe	37
PID 2380 wrote to memory of 668	2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe	38
PID 2380 wrote to memory of 668	2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe	38
PID 2380 wrote to memory of 668	2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe	38
PID 2380 wrote to memory of 668	2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe	38
PID 2380 wrote to memory of 376	2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe	40
PID 2380 wrote to memory of 376	2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe	40
PID 2380 wrote to memory of 376	2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe	40
PID 2380 wrote to memory of 376	2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe	40
PID 2380 wrote to memory of 376	2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe	40
PID 2380 wrote to memory of 376	2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe	40
PID 2380 wrote to memory of 376	2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe	40
PID 2380 wrote to memory of 376	2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe	40
PID 2380 wrote to memory of 376	2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe	40
PID 2380 wrote to memory of 376	2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe	40
PID 2380 wrote to memory of 376	2380	5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe	40

C:\Users\Admin\AppData\Local\Temp\5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe
"C:\Users\Admin\AppData\Local\Temp\5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1784
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KAsQHWtFbl.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:280
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KAsQHWtFbl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4A68.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1976
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KAsQHWtFbl.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:848
- C:\Users\Admin\AppData\Local\Temp\5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe
  "C:\Users\Admin\AppData\Local\Temp\5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe"
  2⤵
  PID:668
- C:\Users\Admin\AppData\Local\Temp\5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe
  "C:\Users\Admin\AppData\Local\Temp\5322da5b873f65a2099b81101357dda31b2fdf952749517af9754401708052af.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:376

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:\Users\Admin\AppData\Local\Temp\tmp4A68.tmp

Filesize
1KB

MD5
53caa891e3f70c8fb1ccab3db7e7619a

SHA1
dfc2c2c392d67faf4a395863f4824a3ecaeed66f

SHA256
9853a2703b8e34a67b93f0923445951201f72a9064edbdc5954d79d040258d2c

SHA512
aa4f5d15c33b39655d287c91934132ce52cb77553a8f1b9f11c268d5b278347befdeb2a3608d30333588750d9b3b3c9496cfed8224a8d5f4623f4eae7764a255

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
bd29d13871a79aeffd3b0aed783b6872

SHA1
3fcadc659aacb5d9fb94e461e05824ee5dd92e56

SHA256
7812235b6863c3a93d8a10d2fdcd65c764d61f6eba138aa35a5d0b83594b69b9

SHA512
2fccac63b4fdd394d11ffabb257d29ed05822c2c47c45cd3ea31d6a5d048c690126a1d7b175eec2ea7b542ea2c5ce647888ede19bf2a241006b663c4bef75ec3

Download Submit
memory/376-24-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/376-35-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/376-30-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/376-46-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/376-33-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/376-43-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/376-42-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/376-26-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/376-22-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/376-20-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/376-48-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/376-44-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/376-28-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/376-32-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/376-34-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2380-2-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-0-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

Filesize
4KB

Download
memory/2380-1-0x0000000000ED0000-0x0000000000F70000-memory.dmp

Filesize
640KB

Download
memory/2380-36-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-3-0x0000000000650000-0x000000000065C000-memory.dmp

Filesize
48KB

Download
memory/2380-7-0x0000000000A30000-0x0000000000A5A000-memory.dmp

Filesize
168KB

Download
memory/2380-6-0x0000000004D90000-0x0000000004DFC000-memory.dmp

Filesize
432KB

Download
memory/2380-5-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-4-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

Filesize
4KB

Download