remcos | db00ce1def9794a4f5533677848d58d84f6950c1f57572b877a591f4e5ba2dc2

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2024 20:49

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General

Target

cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe
Size

1.4MB
MD5

79fc587b75385d13a0aefbb63b8f83a5
SHA1

fa71271dfc2926c711a1adf676e42ba7ab5421fa
SHA256

cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3
SHA512

217f0a63af9960e7ac5e705da10b675d0ee8573396d819aa7e013766cd34c292e1afa8439d6c55c9f35e003fb06eb5278c2e8340a966da8e1c8b2a36498aa08d
SSDEEP

24576:QGnA++3gtc0rx4bYY8nwoTsSofnHZPvg4l7v7aeUYSikCqRy:6++3sOMwo6Z3zlzlBSikCk

Score

10^/10

remcos fresh port discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

FRESH PORT

emarketinglatakva.ddns.net:9794

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-Z9DAML
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
notepad;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 1 IoCs

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

execution

PowerShell

T1059.001

pid	Process
3780	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 632 set thread context of 1836	632	cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe	95

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	cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.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	cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.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
2792	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
632	cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe
3780	powershell.exe
632	cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe
3780	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	632	cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe
Token: SeDebugPrivilege	3780	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1836	cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 632 wrote to memory of 3780	632	cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe	91
PID 632 wrote to memory of 3780	632	cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe	91
PID 632 wrote to memory of 3780	632	cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe	91
PID 632 wrote to memory of 2792	632	cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe	93
PID 632 wrote to memory of 2792	632	cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe	93
PID 632 wrote to memory of 2792	632	cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe	93
PID 632 wrote to memory of 1836	632	cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe	95
PID 632 wrote to memory of 1836	632	cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe	95
PID 632 wrote to memory of 1836	632	cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe	95
PID 632 wrote to memory of 1836	632	cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe	95
PID 632 wrote to memory of 1836	632	cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe	95
PID 632 wrote to memory of 1836	632	cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe	95
PID 632 wrote to memory of 1836	632	cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe	95
PID 632 wrote to memory of 1836	632	cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe	95
PID 632 wrote to memory of 1836	632	cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe	95
PID 632 wrote to memory of 1836	632	cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe	95
PID 632 wrote to memory of 1836	632	cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe	95
PID 632 wrote to memory of 1836	632	cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe	95

C:\Users\Admin\AppData\Local\Temp\cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe
"C:\Users\Admin\AppData\Local\Temp\cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:632
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ijAhEpVZOK.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3780
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ijAhEpVZOK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5242.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2792
- C:\Users\Admin\AppData\Local\Temp\cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe
  "C:\Users\Admin\AppData\Local\Temp\cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1836

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

Query Registry

T1012

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\__PSScriptPolicyTest_ibi12osl.haq.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5242.tmp

Filesize
1KB

MD5
f537381ec48b55ac359bcaaaaa4ea97b

SHA1
240036c95ac416d9778cf9f84553ba3add799ea1

SHA256
6deef2f9b28ebf555749caa1e7bda3f9a1cea327519a7e1ebe274000378001fe

SHA512
e9622c0b7818c633edd8e4e18a74ea364eccb59d7c93d815645dd06075609ebba5338fc8c8e4ae764637d4d1ee9674a0788c89f3a05ccfade72383ef7a458ca4

Download Submit
C:\Users\Admin\AppData\Roaming\remcos\logs.dat

Filesize
144B

MD5
1aced254f9a83347911a65154e4979ce

SHA1
955dedb0e139923d49740f21a5a2c51261c7d5eb

SHA256
49ee9e152471826631de92c846c7547be4a0cd0692691efbf8bcf7553b3e58ee

SHA512
eec6ed75e64ed77ac214c396b0a83205a777c3a38b02df3b35a2933d822580fcdee0a095681709a934c371eaf5fab775bdff1a67f27c6e55417ffe6932d5bb82

Download Submit
memory/632-5-0x0000000074A80000-0x0000000075230000-memory.dmp

Filesize
7.7MB

Download
memory/632-0-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

Filesize
4KB

Download
memory/632-1-0x0000000000CF0000-0x0000000000E5A000-memory.dmp

Filesize
1.4MB

Download
memory/632-6-0x00000000083C0000-0x00000000083CA000-memory.dmp

Filesize
40KB

Download
memory/632-7-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

Filesize
4KB

Download
memory/632-8-0x0000000074A80000-0x0000000075230000-memory.dmp

Filesize
7.7MB

Download
memory/632-9-0x0000000008BC0000-0x0000000008C5C000-memory.dmp

Filesize
624KB

Download
memory/632-10-0x0000000009130000-0x0000000009272000-memory.dmp

Filesize
1.3MB

Download
memory/632-3-0x0000000005900000-0x0000000005992000-memory.dmp

Filesize
584KB

Download
memory/632-4-0x0000000003310000-0x000000000331A000-memory.dmp

Filesize
40KB

Download
memory/632-24-0x0000000006AB0000-0x0000000006B2A000-memory.dmp

Filesize
488KB

Download
memory/632-46-0x0000000074A80000-0x0000000075230000-memory.dmp

Filesize
7.7MB

Download
memory/632-2-0x0000000005EB0000-0x0000000006454000-memory.dmp

Filesize
5.6MB

Download
memory/1836-30-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1836-32-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1836-38-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1836-41-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1836-74-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1836-43-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1836-36-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/3780-16-0x0000000074A80000-0x0000000075230000-memory.dmp

Filesize
7.7MB

Download
memory/3780-60-0x0000000007EB0000-0x000000000852A000-memory.dmp

Filesize
6.5MB

Download
memory/3780-23-0x00000000056F0000-0x0000000005756000-memory.dmp

Filesize
408KB

Download
memory/3780-22-0x00000000055D0000-0x0000000005636000-memory.dmp

Filesize
408KB

Download
memory/3780-44-0x00000000064F0000-0x000000000650E000-memory.dmp

Filesize
120KB

Download
memory/3780-21-0x0000000005430000-0x0000000005452000-memory.dmp

Filesize
136KB

Download
memory/3780-20-0x0000000074A80000-0x0000000075230000-memory.dmp

Filesize
7.7MB

Download
memory/3780-45-0x00000000065D0000-0x000000000661C000-memory.dmp

Filesize
304KB

Download
memory/3780-18-0x00000000059F0000-0x0000000006018000-memory.dmp

Filesize
6.2MB

Download
memory/3780-47-0x0000000006AC0000-0x0000000006AF2000-memory.dmp

Filesize
200KB

Download
memory/3780-48-0x000000006F850000-0x000000006F89C000-memory.dmp

Filesize
304KB

Download
memory/3780-58-0x0000000006B00000-0x0000000006B1E000-memory.dmp

Filesize
120KB

Download
memory/3780-59-0x0000000007780000-0x0000000007823000-memory.dmp

Filesize
652KB

Download
memory/3780-42-0x0000000006020000-0x0000000006374000-memory.dmp

Filesize
3.3MB

Download
memory/3780-61-0x0000000007830000-0x000000000784A000-memory.dmp

Filesize
104KB

Download
memory/3780-62-0x00000000078A0000-0x00000000078AA000-memory.dmp

Filesize
40KB

Download
memory/3780-63-0x0000000007AB0000-0x0000000007B46000-memory.dmp

Filesize
600KB

Download
memory/3780-64-0x0000000007A30000-0x0000000007A41000-memory.dmp

Filesize
68KB

Download
memory/3780-65-0x0000000007A60000-0x0000000007A6E000-memory.dmp

Filesize
56KB

Download
memory/3780-66-0x0000000007A70000-0x0000000007A84000-memory.dmp

Filesize
80KB

Download
memory/3780-67-0x0000000007B70000-0x0000000007B8A000-memory.dmp

Filesize
104KB

Download
memory/3780-68-0x0000000007B50000-0x0000000007B58000-memory.dmp

Filesize
32KB

Download
memory/3780-71-0x0000000074A80000-0x0000000075230000-memory.dmp

Filesize
7.7MB

Download
memory/3780-19-0x0000000074A80000-0x0000000075230000-memory.dmp

Filesize
7.7MB

Download
memory/3780-15-0x0000000002BD0000-0x0000000002C06000-memory.dmp

Filesize
216KB

Download