remcos | 4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-01-2025 11:48

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General

Target

4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe
Size

1.1MB
MD5

f00996feb233aa84a056a6979127884e
SHA1

e76799b2327d8964b6f5b1ee3c8123f47c842dcc
SHA256

4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911
SHA512

c5ffecdd783dcdf27717a481e9683f74b313459efffb2663ea4a55fc27020767ece958ef330646bdeef15a27fc0b1f99576776938e19452f8039c85a255c5bc2
SSDEEP

24576:/2GRgHJ5blABfwcOfmvKrt5UPQUFpORmluolEBob4:/mrBAJImvKrXHUXtEek

Score

10^/10

remcos 65384 discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

65384

jandupdate873.webredirect.org:45456

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-3SO2B8
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

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
2760	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2580 set thread context of 2984	2580	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	35

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	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.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
2848	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2580	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe
2580	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe
2580	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe
2760	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2580	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe
Token: SeDebugPrivilege	2760	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2580 wrote to memory of 2760	2580	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	31
PID 2580 wrote to memory of 2760	2580	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	31
PID 2580 wrote to memory of 2760	2580	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	31
PID 2580 wrote to memory of 2760	2580	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	31
PID 2580 wrote to memory of 2848	2580	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	32
PID 2580 wrote to memory of 2848	2580	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	32
PID 2580 wrote to memory of 2848	2580	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	32
PID 2580 wrote to memory of 2848	2580	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	32
PID 2580 wrote to memory of 2984	2580	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	35
PID 2580 wrote to memory of 2984	2580	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	35
PID 2580 wrote to memory of 2984	2580	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	35
PID 2580 wrote to memory of 2984	2580	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	35
PID 2580 wrote to memory of 2984	2580	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	35
PID 2580 wrote to memory of 2984	2580	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	35
PID 2580 wrote to memory of 2984	2580	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	35
PID 2580 wrote to memory of 2984	2580	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	35
PID 2580 wrote to memory of 2984	2580	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	35
PID 2580 wrote to memory of 2984	2580	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	35
PID 2580 wrote to memory of 2984	2580	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	35
PID 2580 wrote to memory of 2984	2580	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	35
PID 2580 wrote to memory of 2984	2580	4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe	35

C:\Users\Admin\AppData\Local\Temp\4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe
"C:\Users\Admin\AppData\Local\Temp\4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2580
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\soTftKZ.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2760
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\soTftKZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE521.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2848
- C:\Users\Admin\AppData\Local\Temp\4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe
  "C:\Users\Admin\AppData\Local\Temp\4491d68f3a7569aca331ef1fdfff87bb7904b6bbd66cec299e5ad9df0adaf911.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2984

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE521.tmp

Filesize
1KB

MD5
182e5fd713be0b6b1411a8c0c1983b8a

SHA1
a672bbd8918f310a8cd2251b43378d4589bdd78a

SHA256
0ed01741e6fbf9dfddb2bb11224afbc2b987da6e3ccc00549277e410af7899df

SHA512
8f5712a02ecb3f2e9932d9967a6ce10c8cc05c9f3686262d23efdc67c92c56bd76542b2bc6b8d26b4e81b5d478f5a5288475506548c0355568ce00b11d235924

Download Submit
memory/2580-0-0x000000007402E000-0x000000007402F000-memory.dmp

Filesize
4KB

Download
memory/2580-1-0x00000000013A0000-0x00000000014B2000-memory.dmp

Filesize
1.1MB

Download
memory/2580-2-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2580-3-0x0000000000460000-0x000000000047C000-memory.dmp

Filesize
112KB

Download
memory/2580-4-0x000000007402E000-0x000000007402F000-memory.dmp

Filesize
4KB

Download
memory/2580-5-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2580-6-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2580-7-0x0000000008600000-0x00000000086C0000-memory.dmp

Filesize
768KB

Download
memory/2580-34-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2984-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-35-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2984-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-17-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-49-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-50-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-51-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-52-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-53-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-54-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-56-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-57-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-58-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-59-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-60-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-61-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-62-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-63-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-64-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-65-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-66-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-67-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-68-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-69-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-71-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-73-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-74-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-75-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-76-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-77-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-78-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2984-79-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download