remcos | a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198

General

Target

OrderBJ02-JUNMA016118313306pdf.exe
Size

3.4MB
MD5

2a3fffe85434fb8cc6a49f3778fc018e
SHA1

fc02539e02aeead5dcb46748c8ba92972b2ebbe4
SHA256

a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198
SHA512

89e8dda82c126f4a5b05c40bcd7cbbbd961c03822aaf4cef09d8a66b02973bb8d0340ffee64ed4aeb18b113cdf4f1aba7464dd290d02edadbd94dea3408496f0
SSDEEP

12288:bezvK8hN5Ei531csIOMRn0ubNDLGgzfRRig8Bl7b76bwpXdcHe+8RpqZUJ9AR:bGS8hwi5RIN0ubJSgOPlUz8RIs9AR

Score

10^/10

remcos wegood evasion execution rat trojan

Malware Config

Extracted

Family

remcos

Botnet

WEgood

C2

198.46.178.152:2025

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
Rmc-BQ3GSA
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:

OrderBJ02-JUNMA016118313306pdf.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	OrderBJ02-JUNMA016118313306pdf.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

2328 powershell.exe
Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

pid	process
2328	powershell.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

OrderBJ02-JUNMA016118313306pdf.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	OrderBJ02-JUNMA016118313306pdf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	OrderBJ02-JUNMA016118313306pdf.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

OrderBJ02-JUNMA016118313306pdf.exe

description pid process target process

PID 2512 set thread context of 848 2512 OrderBJ02-JUNMA016118313306pdf.exe iexplore.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

2328 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 2328 powershell.exe

description	pid	process	target process
PID 2512 set thread context of 848	2512	OrderBJ02-JUNMA016118313306pdf.exe	iexplore.exe

pid	process
2328	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2328	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

OrderBJ02-JUNMA016118313306pdf.exe

description	pid	process	target process
PID 2512 wrote to memory of 2328	2512	OrderBJ02-JUNMA016118313306pdf.exe	powershell.exe
PID 2512 wrote to memory of 2328	2512	OrderBJ02-JUNMA016118313306pdf.exe	powershell.exe
PID 2512 wrote to memory of 2328	2512	OrderBJ02-JUNMA016118313306pdf.exe	powershell.exe
PID 2512 wrote to memory of 2564	2512	OrderBJ02-JUNMA016118313306pdf.exe	csc.exe
PID 2512 wrote to memory of 2564	2512	OrderBJ02-JUNMA016118313306pdf.exe	csc.exe
PID 2512 wrote to memory of 2564	2512	OrderBJ02-JUNMA016118313306pdf.exe	csc.exe
PID 2512 wrote to memory of 2564	2512	OrderBJ02-JUNMA016118313306pdf.exe	csc.exe
PID 2512 wrote to memory of 2484	2512	OrderBJ02-JUNMA016118313306pdf.exe	vbc.exe
PID 2512 wrote to memory of 2484	2512	OrderBJ02-JUNMA016118313306pdf.exe	vbc.exe
PID 2512 wrote to memory of 2484	2512	OrderBJ02-JUNMA016118313306pdf.exe	vbc.exe
PID 2512 wrote to memory of 2484	2512	OrderBJ02-JUNMA016118313306pdf.exe	vbc.exe
PID 2512 wrote to memory of 2484	2512	OrderBJ02-JUNMA016118313306pdf.exe	vbc.exe
PID 2512 wrote to memory of 2484	2512	OrderBJ02-JUNMA016118313306pdf.exe	vbc.exe
PID 2512 wrote to memory of 2484	2512	OrderBJ02-JUNMA016118313306pdf.exe	vbc.exe
PID 2512 wrote to memory of 2484	2512	OrderBJ02-JUNMA016118313306pdf.exe	vbc.exe
PID 2512 wrote to memory of 2484	2512	OrderBJ02-JUNMA016118313306pdf.exe	vbc.exe
PID 2512 wrote to memory of 2484	2512	OrderBJ02-JUNMA016118313306pdf.exe	vbc.exe
PID 2512 wrote to memory of 2892	2512	OrderBJ02-JUNMA016118313306pdf.exe	cmd.exe
PID 2512 wrote to memory of 2892	2512	OrderBJ02-JUNMA016118313306pdf.exe	cmd.exe
PID 2512 wrote to memory of 2892	2512	OrderBJ02-JUNMA016118313306pdf.exe	cmd.exe
PID 2512 wrote to memory of 2892	2512	OrderBJ02-JUNMA016118313306pdf.exe	cmd.exe
PID 2512 wrote to memory of 2892	2512	OrderBJ02-JUNMA016118313306pdf.exe	cmd.exe
PID 2512 wrote to memory of 2892	2512	OrderBJ02-JUNMA016118313306pdf.exe	cmd.exe
PID 2512 wrote to memory of 2892	2512	OrderBJ02-JUNMA016118313306pdf.exe	cmd.exe
PID 2512 wrote to memory of 2892	2512	OrderBJ02-JUNMA016118313306pdf.exe	cmd.exe
PID 2512 wrote to memory of 2892	2512	OrderBJ02-JUNMA016118313306pdf.exe	cmd.exe
PID 2512 wrote to memory of 2880	2512	OrderBJ02-JUNMA016118313306pdf.exe	ngen.exe
PID 2512 wrote to memory of 2880	2512	OrderBJ02-JUNMA016118313306pdf.exe	ngen.exe
PID 2512 wrote to memory of 2880	2512	OrderBJ02-JUNMA016118313306pdf.exe	ngen.exe
PID 2512 wrote to memory of 2880	2512	OrderBJ02-JUNMA016118313306pdf.exe	ngen.exe
PID 2512 wrote to memory of 2880	2512	OrderBJ02-JUNMA016118313306pdf.exe	ngen.exe
PID 2512 wrote to memory of 2880	2512	OrderBJ02-JUNMA016118313306pdf.exe	ngen.exe
PID 2512 wrote to memory of 2880	2512	OrderBJ02-JUNMA016118313306pdf.exe	ngen.exe
PID 2512 wrote to memory of 2880	2512	OrderBJ02-JUNMA016118313306pdf.exe	ngen.exe
PID 2512 wrote to memory of 2880	2512	OrderBJ02-JUNMA016118313306pdf.exe	ngen.exe
PID 2512 wrote to memory of 2880	2512	OrderBJ02-JUNMA016118313306pdf.exe	ngen.exe
PID 2512 wrote to memory of 2976	2512	OrderBJ02-JUNMA016118313306pdf.exe	calc.exe
PID 2512 wrote to memory of 2976	2512	OrderBJ02-JUNMA016118313306pdf.exe	calc.exe
PID 2512 wrote to memory of 2976	2512	OrderBJ02-JUNMA016118313306pdf.exe	calc.exe
PID 2512 wrote to memory of 2976	2512	OrderBJ02-JUNMA016118313306pdf.exe	calc.exe
PID 2512 wrote to memory of 2976	2512	OrderBJ02-JUNMA016118313306pdf.exe	calc.exe
PID 2512 wrote to memory of 2976	2512	OrderBJ02-JUNMA016118313306pdf.exe	calc.exe
PID 2512 wrote to memory of 2976	2512	OrderBJ02-JUNMA016118313306pdf.exe	calc.exe
PID 2512 wrote to memory of 2976	2512	OrderBJ02-JUNMA016118313306pdf.exe	calc.exe
PID 2512 wrote to memory of 2976	2512	OrderBJ02-JUNMA016118313306pdf.exe	calc.exe
PID 2512 wrote to memory of 2732	2512	OrderBJ02-JUNMA016118313306pdf.exe	ilasm.exe
PID 2512 wrote to memory of 2732	2512	OrderBJ02-JUNMA016118313306pdf.exe	ilasm.exe
PID 2512 wrote to memory of 2732	2512	OrderBJ02-JUNMA016118313306pdf.exe	ilasm.exe
PID 2512 wrote to memory of 2732	2512	OrderBJ02-JUNMA016118313306pdf.exe	ilasm.exe
PID 2512 wrote to memory of 2928	2512	OrderBJ02-JUNMA016118313306pdf.exe	aspnet_wp.exe
PID 2512 wrote to memory of 2928	2512	OrderBJ02-JUNMA016118313306pdf.exe	aspnet_wp.exe
PID 2512 wrote to memory of 2928	2512	OrderBJ02-JUNMA016118313306pdf.exe	aspnet_wp.exe
PID 2512 wrote to memory of 2928	2512	OrderBJ02-JUNMA016118313306pdf.exe	aspnet_wp.exe
PID 2512 wrote to memory of 2928	2512	OrderBJ02-JUNMA016118313306pdf.exe	aspnet_wp.exe
PID 2512 wrote to memory of 2928	2512	OrderBJ02-JUNMA016118313306pdf.exe	aspnet_wp.exe
PID 2512 wrote to memory of 2928	2512	OrderBJ02-JUNMA016118313306pdf.exe	aspnet_wp.exe
PID 2512 wrote to memory of 2928	2512	OrderBJ02-JUNMA016118313306pdf.exe	aspnet_wp.exe
PID 2512 wrote to memory of 2928	2512	OrderBJ02-JUNMA016118313306pdf.exe	aspnet_wp.exe
PID 2512 wrote to memory of 2928	2512	OrderBJ02-JUNMA016118313306pdf.exe	aspnet_wp.exe
PID 2512 wrote to memory of 2160	2512	OrderBJ02-JUNMA016118313306pdf.exe	svchost.exe
PID 2512 wrote to memory of 2160	2512	OrderBJ02-JUNMA016118313306pdf.exe	svchost.exe
PID 2512 wrote to memory of 2160	2512	OrderBJ02-JUNMA016118313306pdf.exe	svchost.exe
PID 2512 wrote to memory of 2160	2512	OrderBJ02-JUNMA016118313306pdf.exe	svchost.exe
PID 2512 wrote to memory of 2160	2512	OrderBJ02-JUNMA016118313306pdf.exe	svchost.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

OrderBJ02-JUNMA016118313306pdf.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	OrderBJ02-JUNMA016118313306pdf.exe

C:\Users\Admin\AppData\Local\Temp\OrderBJ02-JUNMA016118313306pdf.exe
"C:\Users\Admin\AppData\Local\Temp\OrderBJ02-JUNMA016118313306pdf.exe"
1⤵
- UAC bypass
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2512
- 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\OrderBJ02-JUNMA016118313306pdf.exe" -Force
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2328
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
  2⤵
  PID:2564
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:2484
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe"
  2⤵
  PID:2892
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"
  2⤵
  PID:2880
- C:\Windows\System32\calc.exe
  "C:\Windows\System32\calc.exe"
  2⤵
  PID:2976
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe"
  2⤵
  PID:2732
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"
  2⤵
  PID:2928
- C:\Windows\System32\svchost.exe
  "C:\Windows\System32\svchost.exe"
  2⤵
  PID:2160
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
  2⤵
  PID:848
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
  2⤵
  PID:2868

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

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

1

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2328-8-0x0000000002CF0000-0x0000000002D70000-memory.dmp

Filesize
512KB

Download
memory/2328-10-0x00000000021D0000-0x00000000021D8000-memory.dmp

Filesize
32KB

Download
memory/2328-9-0x000000001B550000-0x000000001B832000-memory.dmp

Filesize
2.9MB

Download
memory/2484-17-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2484-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2484-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2484-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2484-13-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2484-11-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2512-3-0x000000001A720000-0x000000001A7F0000-memory.dmp

Filesize
832KB

Download
memory/2512-2-0x000007FEF5490000-0x000007FEF5E7C000-memory.dmp

Filesize
9.9MB

Download
memory/2512-1-0x0000000000F90000-0x0000000000F98000-memory.dmp

Filesize
32KB

Download
memory/2512-0-0x000007FEF5493000-0x000007FEF5494000-memory.dmp

Filesize
4KB

Download
memory/2512-84-0x000007FEF5490000-0x000007FEF5E7C000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads