remcos | 932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d

Analysis

max time kernel
149s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30/09/2024, 23:13

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General

Target

1d818c67cd7b934a84588a3207b2e50a.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
4848	powershell.exe
2076	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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	1d818c67cd7b934a84588a3207b2e50a.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 536 set thread context of 1452	536	1d818c67cd7b934a84588a3207b2e50a.exe	90

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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1d818c67cd7b934a84588a3207b2e50a.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
1740	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
536	1d818c67cd7b934a84588a3207b2e50a.exe
4848	powershell.exe
536	1d818c67cd7b934a84588a3207b2e50a.exe
2076	powershell.exe
4848	powershell.exe
2076	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	536	1d818c67cd7b934a84588a3207b2e50a.exe
Token: SeDebugPrivilege	4848	powershell.exe
Token: SeDebugPrivilege	2076	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1452	vbc.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 536 wrote to memory of 4848	536	1d818c67cd7b934a84588a3207b2e50a.exe	84
PID 536 wrote to memory of 4848	536	1d818c67cd7b934a84588a3207b2e50a.exe	84
PID 536 wrote to memory of 4848	536	1d818c67cd7b934a84588a3207b2e50a.exe	84
PID 536 wrote to memory of 2076	536	1d818c67cd7b934a84588a3207b2e50a.exe	86
PID 536 wrote to memory of 2076	536	1d818c67cd7b934a84588a3207b2e50a.exe	86
PID 536 wrote to memory of 2076	536	1d818c67cd7b934a84588a3207b2e50a.exe	86
PID 536 wrote to memory of 1740	536	1d818c67cd7b934a84588a3207b2e50a.exe	88
PID 536 wrote to memory of 1740	536	1d818c67cd7b934a84588a3207b2e50a.exe	88
PID 536 wrote to memory of 1740	536	1d818c67cd7b934a84588a3207b2e50a.exe	88
PID 536 wrote to memory of 1452	536	1d818c67cd7b934a84588a3207b2e50a.exe	90
PID 536 wrote to memory of 1452	536	1d818c67cd7b934a84588a3207b2e50a.exe	90
PID 536 wrote to memory of 1452	536	1d818c67cd7b934a84588a3207b2e50a.exe	90
PID 536 wrote to memory of 1452	536	1d818c67cd7b934a84588a3207b2e50a.exe	90
PID 536 wrote to memory of 1452	536	1d818c67cd7b934a84588a3207b2e50a.exe	90
PID 536 wrote to memory of 1452	536	1d818c67cd7b934a84588a3207b2e50a.exe	90
PID 536 wrote to memory of 1452	536	1d818c67cd7b934a84588a3207b2e50a.exe	90
PID 536 wrote to memory of 1452	536	1d818c67cd7b934a84588a3207b2e50a.exe	90
PID 536 wrote to memory of 1452	536	1d818c67cd7b934a84588a3207b2e50a.exe	90
PID 536 wrote to memory of 1452	536	1d818c67cd7b934a84588a3207b2e50a.exe	90
PID 536 wrote to memory of 1452	536	1d818c67cd7b934a84588a3207b2e50a.exe	90
PID 536 wrote to memory of 1452	536	1d818c67cd7b934a84588a3207b2e50a.exe	90

C:\Users\Admin\AppData\Local\Temp\1d818c67cd7b934a84588a3207b2e50a.exe
"C:\Users\Admin\AppData\Local\Temp\1d818c67cd7b934a84588a3207b2e50a.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:536
- 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\1d818c67cd7b934a84588a3207b2e50a.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4848
- 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:2076
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wTTruYPumnUe" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEB1B.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1740
- 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:1452

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
0a1a0df29df39b142256974ad10d589d

SHA1
7276437f1f91dfc73fc9e141b848d2556fe2009f

SHA256
d15de8a63755f3b419bf15f4b511664cfee217b14d2a0cc67522d36d88650c9b

SHA512
da9019a68f20a4afbfc54fb61d9d3663cef9191ee26ecbac1955cd9ddb7258539b424f1b38c9603c9db6b875c4039b94fae6707987a2d8544891d293db56b30c

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

Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

Filesize
18KB

MD5
cffeb726176e7a62462f13697e957930

SHA1
d2184a3a8d9053100e2a05509c2c8075b44b0c18

SHA256
5da639c3f9aa4592f758dd8411ff72eea76773e61ee150f84da8cf3e1be68625

SHA512
0120cddf333c82e05c7a28dfe2f710e947bdfdf07642838f294162a751707db393092216846a53a9bcd412eb3cd109cf65b0cc51ae96f732ec7d0ce0fef231d9

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gnf2pvl4.svr.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpEB1B.tmp

Filesize
1KB

MD5
a35c9021bd72bfa7816014a5bf73bb9f

SHA1
1a201bf52f28c7ced971706c9f19202c31524886

SHA256
960c09c2a7f8d37be98447c31cde430aa292f0091b421c04c0aa1188ea9c1490

SHA512
be8ec3c1e31e7d3f3604d8299f82d80b8a542c569289c41fa64a3bfd4aa59987b278e8e8d81fc0a09c8fd3e49b9cb883756258c28503b58dfe92e5c8489ac5b2

Download Submit
memory/536-4-0x0000000004D20000-0x0000000004D2A000-memory.dmp

Filesize
40KB

Download
memory/536-6-0x0000000006390000-0x000000000646A000-memory.dmp

Filesize
872KB

Download
memory/536-7-0x0000000005230000-0x0000000005240000-memory.dmp

Filesize
64KB

Download
memory/536-8-0x00000000753AE000-0x00000000753AF000-memory.dmp

Filesize
4KB

Download
memory/536-9-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/536-10-0x0000000006850000-0x0000000006910000-memory.dmp

Filesize
768KB

Download
memory/536-11-0x0000000008F60000-0x0000000008FFC000-memory.dmp

Filesize
624KB

Download
memory/536-5-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/536-3-0x0000000004D60000-0x0000000004DF2000-memory.dmp

Filesize
584KB

Download
memory/536-0-0x00000000753AE000-0x00000000753AF000-memory.dmp

Filesize
4KB

Download
memory/536-54-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/536-2-0x0000000005270000-0x0000000005814000-memory.dmp

Filesize
5.6MB

Download
memory/536-1-0x0000000000380000-0x0000000000462000-memory.dmp

Filesize
904KB

Download
memory/1452-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1452-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1452-135-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1452-118-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1452-111-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1452-134-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1452-110-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1452-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1452-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1452-119-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1452-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1452-61-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1452-62-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1452-126-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1452-127-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1452-60-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1452-58-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1452-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2076-103-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/2076-80-0x0000000075C30000-0x0000000075C7C000-memory.dmp

Filesize
304KB

Download
memory/2076-23-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/2076-22-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/2076-24-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/2076-96-0x0000000007320000-0x0000000007328000-memory.dmp

Filesize
32KB

Download
memory/4848-56-0x0000000005A80000-0x0000000005A9E000-memory.dmp

Filesize
120KB

Download
memory/4848-78-0x0000000007400000-0x0000000007A7A000-memory.dmp

Filesize
6.5MB

Download
memory/4848-79-0x0000000006DC0000-0x0000000006DDA000-memory.dmp

Filesize
104KB

Download
memory/4848-65-0x0000000006C70000-0x0000000006CA2000-memory.dmp

Filesize
200KB

Download
memory/4848-90-0x0000000006E30000-0x0000000006E3A000-memory.dmp

Filesize
40KB

Download
memory/4848-91-0x0000000007040000-0x00000000070D6000-memory.dmp

Filesize
600KB

Download
memory/4848-92-0x0000000006FC0000-0x0000000006FD1000-memory.dmp

Filesize
68KB

Download
memory/4848-93-0x0000000006FF0000-0x0000000006FFE000-memory.dmp

Filesize
56KB

Download
memory/4848-94-0x0000000007000000-0x0000000007014000-memory.dmp

Filesize
80KB

Download
memory/4848-95-0x0000000007100000-0x000000000711A000-memory.dmp

Filesize
104KB

Download
memory/4848-66-0x0000000075C30000-0x0000000075C7C000-memory.dmp

Filesize
304KB

Download
memory/4848-76-0x0000000006C30000-0x0000000006C4E000-memory.dmp

Filesize
120KB

Download
memory/4848-77-0x0000000006CB0000-0x0000000006D53000-memory.dmp

Filesize
652KB

Download
memory/4848-102-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/4848-57-0x0000000005AA0000-0x0000000005AEC000-memory.dmp

Filesize
304KB

Download
memory/4848-38-0x00000000055B0000-0x0000000005904000-memory.dmp

Filesize
3.3MB

Download
memory/4848-25-0x0000000005200000-0x0000000005222000-memory.dmp

Filesize
136KB

Download
memory/4848-32-0x0000000005440000-0x00000000054A6000-memory.dmp

Filesize
408KB

Download
memory/4848-31-0x00000000052A0000-0x0000000005306000-memory.dmp

Filesize
408KB

Download
memory/4848-20-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/4848-19-0x0000000004B90000-0x00000000051B8000-memory.dmp

Filesize
6.2MB

Download
memory/4848-18-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/4848-17-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/4848-16-0x00000000021B0000-0x00000000021E6000-memory.dmp

Filesize
216KB

Download