remcos | 932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d

Analysis

max time kernel
147s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01-10-2024 01:34

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General

Target

932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d.exe
Size

879KB
MD5

1d818c67cd7b934a84588a3207b2e50a
SHA1

f143719dafea314eb6ae638e9a7694da54c3a445
SHA256

932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d
SHA512

41e68271ed5c52427c1e9953bc3ac9c0562541a186a6a44712602dd88968fdd2d896f3c56dccc39dac512c9885e0eb9c194d26f148ce484418b001d1bf60401e
SSDEEP

24576:Ovd+fC6BjsHpE+dOj+18tyAgajKCzMlTyFjSIi0/:O1+a6NsHp3MlhOGM1mO0/

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

www.c42staging.com:2404

www.vdoclabs.com:2404

www.ozkol-aluminyum.com:2404

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
dfghj
mouse_option
false
mutex
Rmc-QCH1J0
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
320	powershell.exe
1508	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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1460 set thread context of 3108	1460	932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d.exe	94

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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d.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
1480	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1460	932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d.exe
320	powershell.exe
1508	powershell.exe
1460	932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d.exe
320	powershell.exe
1508	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1460	932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d.exe
Token: SeDebugPrivilege	320	powershell.exe
Token: SeDebugPrivilege	1508	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3108	vbc.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1460 wrote to memory of 320	1460	932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d.exe	87
PID 1460 wrote to memory of 320	1460	932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d.exe	87
PID 1460 wrote to memory of 320	1460	932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d.exe	87
PID 1460 wrote to memory of 1508	1460	932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d.exe	90
PID 1460 wrote to memory of 1508	1460	932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d.exe	90
PID 1460 wrote to memory of 1508	1460	932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d.exe	90
PID 1460 wrote to memory of 1480	1460	932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d.exe	92
PID 1460 wrote to memory of 1480	1460	932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d.exe	92
PID 1460 wrote to memory of 1480	1460	932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d.exe	92
PID 1460 wrote to memory of 3108	1460	932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d.exe	94
PID 1460 wrote to memory of 3108	1460	932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d.exe	94
PID 1460 wrote to memory of 3108	1460	932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d.exe	94
PID 1460 wrote to memory of 3108	1460	932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d.exe	94
PID 1460 wrote to memory of 3108	1460	932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d.exe	94
PID 1460 wrote to memory of 3108	1460	932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d.exe	94
PID 1460 wrote to memory of 3108	1460	932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d.exe	94
PID 1460 wrote to memory of 3108	1460	932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d.exe	94
PID 1460 wrote to memory of 3108	1460	932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d.exe	94
PID 1460 wrote to memory of 3108	1460	932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d.exe	94
PID 1460 wrote to memory of 3108	1460	932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d.exe	94
PID 1460 wrote to memory of 3108	1460	932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d.exe	94

C:\Users\Admin\AppData\Local\Temp\932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d.exe
"C:\Users\Admin\AppData\Local\Temp\932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d.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:1460
- 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\932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:320
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wTTruYPumnUe.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1508
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wTTruYPumnUe" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF58B.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1480
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3108

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:\ProgramData\dfghj\logs.dat

Filesize
144B

MD5
6a55ccec2c325856c86e259c29bea2dd

SHA1
ff6c3e3e134fdafe616aba99479aada734cd065b

SHA256
91e726bc3c5b1e10849513b2bfd2340e5521fc269b31cda452f4fcaa86a7bac6

SHA512
8e7cda189b1c326ecb6bc121a4e4b18317dd6b7cae3835089f1d716c9e46d1bda5253d694e2d3e2b38355013e91a8ebddbcb435551b51a57890655019e396db8

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
08a8272ca2ad2ca05ca133586789fd01

SHA1
1c34dca208394f1235243f4255a3bd9ac74c09a6

SHA256
0343bf09b8d01cb2f510da8686a38e06baae5bf76383299911c8cdb5999119c4

SHA512
5c924c918ae7fbfa11a06468b3b99189d0fcf98d09000fea63c4b0688086e6ccab3c0f0d543ad2cb1bff4db6841c723cb10a2405d6fa711bc70e4c3edc68e510

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rumhspgl.hsp.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF58B.tmp

Filesize
1KB

MD5
8bc7310386dea9792d5271592de008af

SHA1
3eab08dd406a2232bd73bf4413dce995a9e26389

SHA256
fe960457741be05bd4ab611b92bf23dbcd9b10b232ce5d9df9f3bfda37c60e16

SHA512
a00cca5783f479485eed35ae7386eac88be3c560af2b06f1928bc9c7506c2f17d88a16b5a54f1fa9f04f5ad74b00b078ff0e0cf101c7c296209c20f1d89ba6b0

Download Submit
memory/320-55-0x0000000006960000-0x00000000069AC000-memory.dmp

Filesize
304KB

Download
memory/320-18-0x0000000005890000-0x0000000005EB8000-memory.dmp

Filesize
6.2MB

Download
memory/320-89-0x0000000007B70000-0x0000000007B81000-memory.dmp

Filesize
68KB

Download
memory/320-100-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/320-84-0x0000000007840000-0x00000000078E3000-memory.dmp

Filesize
652KB

Download
memory/320-88-0x0000000007BF0000-0x0000000007C86000-memory.dmp

Filesize
600KB

Download
memory/320-62-0x0000000007800000-0x0000000007832000-memory.dmp

Filesize
200KB

Download
memory/320-16-0x0000000002D30000-0x0000000002D66000-memory.dmp

Filesize
216KB

Download
memory/320-17-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/320-54-0x0000000006540000-0x000000000655E000-memory.dmp

Filesize
120KB

Download
memory/320-19-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/320-20-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/320-63-0x0000000075530000-0x000000007557C000-memory.dmp

Filesize
304KB

Download
memory/320-22-0x00000000056A0000-0x00000000056C2000-memory.dmp

Filesize
136KB

Download
memory/320-25-0x00000000057B0000-0x0000000005816000-memory.dmp

Filesize
408KB

Download
memory/320-82-0x0000000006C00000-0x0000000006C1E000-memory.dmp

Filesize
120KB

Download
memory/320-35-0x0000000006040000-0x0000000006394000-memory.dmp

Filesize
3.3MB

Download
memory/320-24-0x0000000005740000-0x00000000057A6000-memory.dmp

Filesize
408KB

Download
memory/1460-9-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/1460-11-0x0000000008EE0000-0x0000000008F7C000-memory.dmp

Filesize
624KB

Download
memory/1460-10-0x0000000006810000-0x00000000068D0000-memory.dmp

Filesize
768KB

Download
memory/1460-8-0x0000000074C8E000-0x0000000074C8F000-memory.dmp

Filesize
4KB

Download
memory/1460-0-0x0000000074C8E000-0x0000000074C8F000-memory.dmp

Filesize
4KB

Download
memory/1460-53-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/1460-7-0x0000000005030000-0x0000000005040000-memory.dmp

Filesize
64KB

Download
memory/1460-6-0x0000000006430000-0x000000000650A000-memory.dmp

Filesize
872KB

Download
memory/1460-5-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/1460-4-0x0000000004C30000-0x0000000004C3A000-memory.dmp

Filesize
40KB

Download
memory/1460-3-0x0000000004C80000-0x0000000004D12000-memory.dmp

Filesize
584KB

Download
memory/1460-2-0x0000000005310000-0x00000000058B4000-memory.dmp

Filesize
5.6MB

Download
memory/1460-1-0x0000000000160000-0x0000000000242000-memory.dmp

Filesize
904KB

Download
memory/1508-91-0x0000000007380000-0x0000000007394000-memory.dmp

Filesize
80KB

Download
memory/1508-92-0x0000000007480000-0x000000000749A000-memory.dmp

Filesize
104KB

Download
memory/1508-21-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/1508-99-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/1508-45-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/1508-93-0x0000000007460000-0x0000000007468000-memory.dmp

Filesize
32KB

Download
memory/1508-85-0x0000000007790000-0x0000000007E0A000-memory.dmp

Filesize
6.5MB

Download
memory/1508-86-0x0000000007140000-0x000000000715A000-memory.dmp

Filesize
104KB

Download
memory/1508-87-0x00000000071B0000-0x00000000071BA000-memory.dmp

Filesize
40KB

Download
memory/1508-64-0x0000000075530000-0x000000007557C000-memory.dmp

Filesize
304KB

Download
memory/1508-90-0x0000000007370000-0x000000000737E000-memory.dmp

Filesize
56KB

Download
memory/3108-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3108-52-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3108-56-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3108-61-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3108-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3108-57-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3108-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3108-58-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3108-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3108-106-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3108-107-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3108-114-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3108-115-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3108-122-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3108-123-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3108-130-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3108-131-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download