remcos | 7a422ffa32fcdb0ca5698ef80ea3a7bed96b3fc42e008b0458256f4c680bd395

General

Target

LPO.exe
Size

1.8MB
MD5

c3bf525ab42ea2e0a37a55b290dd13bf
SHA1

665e8ac35e69dc4a1fa273bd35703a201f9b074d
SHA256

7a422ffa32fcdb0ca5698ef80ea3a7bed96b3fc42e008b0458256f4c680bd395
SHA512

d6f71d29a5e4b94d04181791edf55d22c3640e2c4115a1b17f4d6c14b79ea0b728a06acb0a0c3848ac4edae8535cf923585af13236fdeddf0051345d083fa9d8
SSDEEP

12288:qLXh08hSxuM4AUQC46V10t5hwv1xh14VGpxJz5W+EQpOIzkTJXY8I+6yi:QXNSNVt5+vPh14gxJzsQpOmkTJXY5

Score

10^/10

remcos gasplant discovery evasion execution rat trojan

Malware Config

Extracted

Family

remcos

Botnet

GASPLANT

C2

dotatech.de:30908

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
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
chrome-SYTYBI
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
Remcos family
remcos
UAC bypass 3 TTPs 1 IoCs
evasion trojan

Bypass User Account Control
T1548.002

Disable or Modify Tools
T1562.001

Modify Registry
T1112

Processes:

LPO.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" LPO.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	LPO.exe

Windows security bypass 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

LPO.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	LPO.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\LPO.exe = "0"	LPO.exe

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

Processes:

powershell.exe

pid process

2496 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

Processes:

LPO.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation LPO.exe

pid	process
2496	powershell.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	LPO.exe

Windows security modification 2 TTPs 3 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

LPO.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\LPO.exe = "0"	LPO.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	LPO.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions	LPO.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

LPO.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	LPO.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	LPO.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

LPO.exe

description pid process target process

PID 4824 set thread context of 5016 4824 LPO.exe wmplayer.exe
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 1 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

Processes:

wmplayer.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wmplayer.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

2496 powershell.exe
2496 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 2496 powershell.exe

description	pid	process	target process
PID 4824 set thread context of 5016	4824	LPO.exe	wmplayer.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmplayer.exe

pid	process
2496	powershell.exe
2496	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2496	powershell.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

LPO.exe

description	pid	process	target process
PID 4824 wrote to memory of 2496	4824	LPO.exe	powershell.exe
PID 4824 wrote to memory of 2496	4824	LPO.exe	powershell.exe
PID 4824 wrote to memory of 4264	4824	LPO.exe	cmd.exe
PID 4824 wrote to memory of 4264	4824	LPO.exe	cmd.exe
PID 4824 wrote to memory of 4264	4824	LPO.exe	cmd.exe
PID 4824 wrote to memory of 4264	4824	LPO.exe	cmd.exe
PID 4824 wrote to memory of 4264	4824	LPO.exe	cmd.exe
PID 4824 wrote to memory of 4264	4824	LPO.exe	cmd.exe
PID 4824 wrote to memory of 4264	4824	LPO.exe	cmd.exe
PID 4824 wrote to memory of 4264	4824	LPO.exe	cmd.exe
PID 4824 wrote to memory of 5016	4824	LPO.exe	wmplayer.exe
PID 4824 wrote to memory of 5016	4824	LPO.exe	wmplayer.exe
PID 4824 wrote to memory of 5016	4824	LPO.exe	wmplayer.exe
PID 4824 wrote to memory of 5016	4824	LPO.exe	wmplayer.exe
PID 4824 wrote to memory of 5016	4824	LPO.exe	wmplayer.exe
PID 4824 wrote to memory of 5016	4824	LPO.exe	wmplayer.exe
PID 4824 wrote to memory of 5016	4824	LPO.exe	wmplayer.exe
PID 4824 wrote to memory of 5016	4824	LPO.exe	wmplayer.exe
PID 4824 wrote to memory of 5016	4824	LPO.exe	wmplayer.exe
PID 4824 wrote to memory of 5016	4824	LPO.exe	wmplayer.exe

System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

LPO.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" LPO.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	LPO.exe

C:\Users\Admin\AppData\Local\Temp\LPO.exe
"C:\Users\Admin\AppData\Local\Temp\LPO.exe"
1⤵
- UAC bypass
- Windows security bypass
- Checks computer location settings
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4824
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\LPO.exe" -Force
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2496
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe"
  2⤵
  PID:4264
- C:\Program Files (x86)\Windows Media Player\wmplayer.exe
  "C:\Program Files (x86)\Windows Media Player\wmplayer.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

3

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xohhzyew.xzf.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2496-4-0x00007FFCC7F00000-0x00007FFCC89C1000-memory.dmp

Filesize
10.8MB

Download
memory/2496-5-0x00007FFCC7F00000-0x00007FFCC89C1000-memory.dmp

Filesize
10.8MB

Download
memory/2496-16-0x000002456B3F0000-0x000002456B412000-memory.dmp

Filesize
136KB

Download
memory/2496-6-0x00007FFCC7F00000-0x00007FFCC89C1000-memory.dmp

Filesize
10.8MB

Download
memory/2496-25-0x00007FFCC7F00000-0x00007FFCC89C1000-memory.dmp

Filesize
10.8MB

Download
memory/4824-0-0x00007FFCC7F03000-0x00007FFCC7F05000-memory.dmp

Filesize
8KB

Download
memory/4824-1-0x0000020B67350000-0x0000020B67358000-memory.dmp

Filesize
32KB

Download
memory/4824-2-0x0000020B69D20000-0x0000020B69DF2000-memory.dmp

Filesize
840KB

Download
memory/4824-3-0x00007FFCC7F00000-0x00007FFCC89C1000-memory.dmp

Filesize
10.8MB

Download
memory/4824-31-0x00007FFCC7F00000-0x00007FFCC89C1000-memory.dmp

Filesize
10.8MB

Download
memory/5016-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/5016-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/5016-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/5016-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/5016-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/5016-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/5016-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/5016-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/5016-17-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/5016-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/5016-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/5016-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/5016-35-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/5016-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/5016-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/5016-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/5016-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads