remcos | 430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5

Analysis

max time kernel
148s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/09/2024, 01:38

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General

Target

430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe
Size

885KB
MD5

4486c981feaebbbd36fed46237157836
SHA1

c8c48956dadaf9c71fbcb95ccbb27771071f777f
SHA256

430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5
SHA512

483cb6ca50611ee90f3958d9acee301969503e821352fdfc7e4d84617249bea2bfb72006fd3d9c56156813fcc29a44c39016f5854e83b78757a0a29ea68b6cb6
SSDEEP

24576:uzDv0aPkkju5aJKQQBvHG5571qWU9ujI:unjPjcakQ77/U9

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

127.0.0.1:52121

officerem.duckdns.org:52121

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
remcos
mouse_option
false
mutex
Rmc-6GPUH1
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

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
2736	powershell.exe
2884	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1832 set thread context of 2748	1832	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	37

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	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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	RegSvcs.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
2780	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1832	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe
2736	powershell.exe
2884	powershell.exe
1832	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1832	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe
Token: SeDebugPrivilege	2736	powershell.exe
Token: SeDebugPrivilege	2884	powershell.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1832 wrote to memory of 2736	1832	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	31
PID 1832 wrote to memory of 2736	1832	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	31
PID 1832 wrote to memory of 2736	1832	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	31
PID 1832 wrote to memory of 2736	1832	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	31
PID 1832 wrote to memory of 2884	1832	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	33
PID 1832 wrote to memory of 2884	1832	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	33
PID 1832 wrote to memory of 2884	1832	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	33
PID 1832 wrote to memory of 2884	1832	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	33
PID 1832 wrote to memory of 2780	1832	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	34
PID 1832 wrote to memory of 2780	1832	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	34
PID 1832 wrote to memory of 2780	1832	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	34
PID 1832 wrote to memory of 2780	1832	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	34
PID 1832 wrote to memory of 2748	1832	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	37
PID 1832 wrote to memory of 2748	1832	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	37
PID 1832 wrote to memory of 2748	1832	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	37
PID 1832 wrote to memory of 2748	1832	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	37
PID 1832 wrote to memory of 2748	1832	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	37
PID 1832 wrote to memory of 2748	1832	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	37
PID 1832 wrote to memory of 2748	1832	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	37
PID 1832 wrote to memory of 2748	1832	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	37
PID 1832 wrote to memory of 2748	1832	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	37
PID 1832 wrote to memory of 2748	1832	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	37
PID 1832 wrote to memory of 2748	1832	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	37
PID 1832 wrote to memory of 2748	1832	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	37
PID 1832 wrote to memory of 2748	1832	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	37
PID 1832 wrote to memory of 2748	1832	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	37
PID 1832 wrote to memory of 2748	1832	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	37
PID 1832 wrote to memory of 2748	1832	430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe	37

C:\Users\Admin\AppData\Local\Temp\430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe
"C:\Users\Admin\AppData\Local\Temp\430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1832
- 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\430def766ae648ee115b2ca3151e4519bfd8c002b0dbe1f1620a3c3702a2e3a5.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2736
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OdQDwgVqjDzll.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2884
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OdQDwgVqjDzll" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE3CA.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2780
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2748

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

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\tmpE3CA.tmp

Filesize
1KB

MD5
ec25993c465b6a76fff0211e765feffd

SHA1
b8fa54250ef563eb1fc395246e7ad8bd3931da17

SHA256
8790e9e556c8d52b62396b5bd8029991a16c77a24b7b563cb07a0bc8e37ed1ef

SHA512
5667bcb25ca8c6aad7202a66ababef3330a89c825555a1c3593c367eb7e1c384596513fce4b6cc12d5013a640db8fed1b60a15884cc2d302c00fb430d0fc1dd5

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
99844af59ba9d4340ad4964cc7e32f9a

SHA1
c48378c77649c45c59fe553a96b274ce6b50faf1

SHA256
c80aef71ed380ff6906fd03d8fe38ee54a27f49215ef7f08bff6e1fc2fae2073

SHA512
20ec7ffb7efc7368ee4366310d6bd81ba4953a18805f93adeb9a8f6f9a1f831884fef14b3a0f782bee2bb6c0cbfcda5bda6145f513737376b38bed0285bd3398

Download Submit
memory/1832-0-0x0000000074C0E000-0x0000000074C0F000-memory.dmp

Filesize
4KB

Download
memory/1832-1-0x0000000000030000-0x0000000000114000-memory.dmp

Filesize
912KB

Download
memory/1832-2-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/1832-3-0x0000000000640000-0x0000000000652000-memory.dmp

Filesize
72KB

Download
memory/1832-4-0x0000000074C0E000-0x0000000074C0F000-memory.dmp

Filesize
4KB

Download
memory/1832-5-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/1832-6-0x0000000005310000-0x00000000053CE000-memory.dmp

Filesize
760KB

Download
memory/1832-40-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2748-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2748-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2748-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2748-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2748-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2748-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2748-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2748-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2748-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2748-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2748-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2748-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2748-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2748-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2748-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2748-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2748-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2748-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2748-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2748-49-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2748-51-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2748-50-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2748-53-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2748-52-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2748-54-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2748-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download