remcos | 935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea

General

Target

935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe
Size

944KB
MD5

b8d56a76c20f7112dad67dcf0ed7db76
SHA1

de67506c08d6fef79fff815e27cda68403980fc9
SHA256

935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea
SHA512

8211cd38a129df696ce6b5909990095c1762db549ca6c3781027c9394bb835812401237c669cdb72acb9941cf068fea1935719817bbe752a5a7df772293075ec
SSDEEP

12288:snC0mUwAF27PpvOvGrAl+5tbmzaCKqk0eua+ANHNAtFDQEa5g3M5JQCjXPpXylhd:KmUXFYpRrZ55jCKq/etMeDgc5PjN6cE

Score

10^/10

remcos mekus discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

mekus

C2

dpm-sael.com:2017

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
meckus-ODY51K
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
2800	powershell.exe
2756	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2056 set thread context of 2644	2056	935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.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	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	935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.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
2208	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2056	935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe
2056	935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe
2756	powershell.exe
2800	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2056	935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe
Token: SeDebugPrivilege	2756	powershell.exe
Token: SeDebugPrivilege	2800	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2644	935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2056 wrote to memory of 2800	2056	935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe	31
PID 2056 wrote to memory of 2800	2056	935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe	31
PID 2056 wrote to memory of 2800	2056	935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe	31
PID 2056 wrote to memory of 2800	2056	935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe	31
PID 2056 wrote to memory of 2756	2056	935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe	33
PID 2056 wrote to memory of 2756	2056	935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe	33
PID 2056 wrote to memory of 2756	2056	935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe	33
PID 2056 wrote to memory of 2756	2056	935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe	33
PID 2056 wrote to memory of 2208	2056	935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe	34
PID 2056 wrote to memory of 2208	2056	935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe	34
PID 2056 wrote to memory of 2208	2056	935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe	34
PID 2056 wrote to memory of 2208	2056	935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe	34
PID 2056 wrote to memory of 2644	2056	935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe	37
PID 2056 wrote to memory of 2644	2056	935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe	37
PID 2056 wrote to memory of 2644	2056	935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe	37
PID 2056 wrote to memory of 2644	2056	935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe	37
PID 2056 wrote to memory of 2644	2056	935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe	37
PID 2056 wrote to memory of 2644	2056	935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe	37
PID 2056 wrote to memory of 2644	2056	935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe	37
PID 2056 wrote to memory of 2644	2056	935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe	37
PID 2056 wrote to memory of 2644	2056	935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe	37
PID 2056 wrote to memory of 2644	2056	935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe	37
PID 2056 wrote to memory of 2644	2056	935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe	37
PID 2056 wrote to memory of 2644	2056	935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe	37
PID 2056 wrote to memory of 2644	2056	935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe	37

C:\Users\Admin\AppData\Local\Temp\935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe
"C:\Users\Admin\AppData\Local\Temp\935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2056
- 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\935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2800
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\RhFlTiIjgELLJp.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2756
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RhFlTiIjgELLJp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1D5.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2208
- C:\Users\Admin\AppData\Local\Temp\935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe
  "C:\Users\Admin\AppData\Local\Temp\935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2644

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

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:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
dc7d3b93caa8f9422aadd3a79bce7e3b

SHA1
8371bb6bd979b45e0ae656483e355a283ff89627

SHA256
7f3724dfee797c3f9e4d521ff05c628bf6a6d4c834c17c59d626528cbd8f6adc

SHA512
107440d8ca610927561cb21ad065a639f28958a6e44d5eaec8fd124fe3940c58aa93511507ea74a71f7de0e2b104409dab9ee534ab108bc4dfdd4657d127da40

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1D5.tmp

Filesize
1KB

MD5
c5612139f5f8acaceae6979a22484b8f

SHA1
57242c019a41201dff11ec91b7203edd99aa2863

SHA256
1320e456537e1eee8c9c1f555da87c06499077e8d8f11d96b1db2dd9ac7c3b06

SHA512
b8223625dc9259fdfc069d1230c6efd98ff22858421a151c6bd5c59fc6c2bcd908105cf6332f6d0046365748aa7292b4375b0691e6725a4f94b4ad6e33fac4b8

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\6A4XUMT95SMZLXT1FL86.temp

Filesize
7KB

MD5
b0f2d85b98070ffc9748b48e65c74d25

SHA1
17b8ef246e6cce22bbb26dc80d6362f4ee0ba586

SHA256
73ef69e4baea570625e8db87a4a060ae0514f659775db688e5c9515e4f0f12dd

SHA512
8c40fbb6355d1f8320840732dcef2db0b15d31b93ff664f66418c0e03d98fe46f7ce28e498056e3ca08439d3362d2b523d0582a36642f73de2563986cf47f862

Download Submit
memory/2056-0-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

Filesize
4KB

Download
memory/2056-1-0x0000000000F20000-0x0000000001012000-memory.dmp

Filesize
968KB

Download
memory/2056-2-0x0000000074BF0000-0x00000000752DE000-memory.dmp

Filesize
6.9MB

Download
memory/2056-3-0x00000000003B0000-0x00000000003C8000-memory.dmp

Filesize
96KB

Download
memory/2056-4-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

Filesize
4KB

Download
memory/2056-5-0x0000000074BF0000-0x00000000752DE000-memory.dmp

Filesize
6.9MB

Download
memory/2056-6-0x0000000005EF0000-0x0000000005FB0000-memory.dmp

Filesize
768KB

Download
memory/2056-43-0x0000000074BF0000-0x00000000752DE000-memory.dmp

Filesize
6.9MB

Download
memory/2644-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2644-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-57-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-58-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-65-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-66-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-73-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-74-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-82-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-81-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads