remcos | 7bdca91211afbb94f733d78892cf0568a79e63ef230b5dfa919966e73b26717d

Analysis

max time kernel
148s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-09-2024 06:21

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General

Target

SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe
Size

1.0MB
MD5

f2e67a1bef67fa4f49dce815b93eeefb
SHA1

1b75d6182523dc35cf13e5e9430194196fb44aeb
SHA256

7bdca91211afbb94f733d78892cf0568a79e63ef230b5dfa919966e73b26717d
SHA512

d0b2dd442d20921c63716eb5974fcd450d3ff800bbcb9dae84efc1743f0dcd8784c72debaa86841fa90d8a3c1e727d194adc022b4513484d9820777ceef4b7a0
SSDEEP

24576:R1iZQZd2PbZwVslxyAcM3wpGVkYZPGX2lxxuQQGnI:zUZTl4Ad31VkYhs+QtP

Score

10^/10

remcos udu discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

udu

UDUM.WORK.GD:2431

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
vlc
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
true
keylog_file
logs.dat
keylog_flag
false
keylog_folder
sos
mouse_option
false
mutex
udm-2WYU92
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 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2820	powershell.exe
2916	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1716 set thread context of 2564	1716	SecuriteInfo.com.Win32.RATX-gen.15616.18273.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 5 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	SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
2232	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1716	SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe
1716	SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe
2820	powershell.exe
2916	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1716	SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe
Token: SeDebugPrivilege	2820	powershell.exe
Token: SeDebugPrivilege	2916	powershell.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2564	SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2564	SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2564	SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 2820	1716	SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe	28
PID 1716 wrote to memory of 2820	1716	SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe	28
PID 1716 wrote to memory of 2820	1716	SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe	28
PID 1716 wrote to memory of 2820	1716	SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe	28
PID 1716 wrote to memory of 2916	1716	SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe	30
PID 1716 wrote to memory of 2916	1716	SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe	30
PID 1716 wrote to memory of 2916	1716	SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe	30
PID 1716 wrote to memory of 2916	1716	SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe	30
PID 1716 wrote to memory of 2232	1716	SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe	32
PID 1716 wrote to memory of 2232	1716	SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe	32
PID 1716 wrote to memory of 2232	1716	SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe	32
PID 1716 wrote to memory of 2232	1716	SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe	32
PID 1716 wrote to memory of 2564	1716	SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe	34
PID 1716 wrote to memory of 2564	1716	SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe	34
PID 1716 wrote to memory of 2564	1716	SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe	34
PID 1716 wrote to memory of 2564	1716	SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe	34
PID 1716 wrote to memory of 2564	1716	SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe	34
PID 1716 wrote to memory of 2564	1716	SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe	34
PID 1716 wrote to memory of 2564	1716	SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe	34
PID 1716 wrote to memory of 2564	1716	SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe	34
PID 1716 wrote to memory of 2564	1716	SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe	34
PID 1716 wrote to memory of 2564	1716	SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe	34
PID 1716 wrote to memory of 2564	1716	SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe	34
PID 1716 wrote to memory of 2564	1716	SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe	34
PID 1716 wrote to memory of 2564	1716	SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe	34

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1716
- 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\SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2820
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qmXhNnW.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2916
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qmXhNnW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8B3F.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2232
- C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe
  "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.15616.18273.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:2564

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\sos\logs.dat

Filesize
276B

MD5
9ff0cb583511a58e23b52403685bbc68

SHA1
60cf0c6972e8d419a2c2aff29ac346fe1cda23f8

SHA256
a9c17a74184fc14192ce4d8ddf585e4898f6cb3ae32b572634e65c599d3eb1d9

SHA512
aebc179ead68685237e01f4e0714e3f28f97eb905436f0304a6c4f152b3195322d18bdd56334db9162aa1737b9b70ddbff6ceddb632f8dbd5ec1d711afd63d4a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8B3F.tmp

Filesize
1KB

MD5
3ce2352de484ff9561e0c44ee55d4aec

SHA1
8e2028aca5599b4aebb24dd377c02ba759246716

SHA256
db5c658834aad7aae6ac877f1d17c48953eced881d00d2b30256aa5de25ab975

SHA512
a1665367a5069c60a75c63d4f4cafe1689963fc1c21bdfa0544a6ccaa233e58c7de57cbf8c7eaa3072c5595bd594f26ee7f80502e249c02ddea2094769b7c0f0

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\2CQTBIJYCRW3UZFI8U4D.temp

Filesize
7KB

MD5
188dbc0186078aa331db5f9cff7ef500

SHA1
7f6e18de9f9183fdaded30014c1918608a354a9d

SHA256
9c9172e3862dfec0b44ec446dbe21055d2d962739ec060f2af8a77ea5de14a30

SHA512
968c6b3c399b7959c8a29e0c6aac8bf8b159af9b0d25db98713b070ed04c18334f9fcd736a10814445e77fd66a170597e1d6b5098b10940ff4f4bce860c3c473

Download Submit
memory/1716-0-0x000000007447E000-0x000000007447F000-memory.dmp

Filesize
4KB

Download
memory/1716-1-0x00000000010D0000-0x00000000011D6000-memory.dmp

Filesize
1.0MB

Download
memory/1716-2-0x0000000074470000-0x0000000074B5E000-memory.dmp

Filesize
6.9MB

Download
memory/1716-3-0x0000000004EF0000-0x0000000004FCE000-memory.dmp

Filesize
888KB

Download
memory/1716-4-0x0000000000530000-0x0000000000548000-memory.dmp

Filesize
96KB

Download
memory/1716-5-0x000000007447E000-0x000000007447F000-memory.dmp

Filesize
4KB

Download
memory/1716-6-0x0000000074470000-0x0000000074B5E000-memory.dmp

Filesize
6.9MB

Download
memory/1716-7-0x0000000005610000-0x00000000056D0000-memory.dmp

Filesize
768KB

Download
memory/1716-39-0x0000000074470000-0x0000000074B5E000-memory.dmp

Filesize
6.9MB

Download
memory/2564-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-36-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2564-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-51-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-52-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-60-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-67-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-68-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-75-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-76-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-83-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2564-84-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download