remcos | 58b6cc9bef7c86291ce7c27353e925b340504b0c112c312a7c7c7ff885bc1c1a

General

Target

7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe
Size

924KB
MD5

8fd5f061761645838e92744a0722f87d
SHA1

565a31f86b886a26cc8c10ce3780a256e4157f55
SHA256

7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9
SHA512

8d67b4408e987f2cf6fcd938058b2179bb36a703990c52b7a1cfc6058a4b568d7785a321782a0c2107091a1622e3f57e04a6109f851471e7f7064bda7b007122
SSDEEP

24576:K9o/NseOLSe+/1k38m8IyfhFTG7KQTCaAhkqG72:K2JarEZytpMGq

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
2264	powershell.exe
2432	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1320 set thread context of 2848	1320	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.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	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.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
812	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2432	powershell.exe
2264	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2432	powershell.exe
Token: SeDebugPrivilege	2264	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2848	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1320 wrote to memory of 2264	1320	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	31
PID 1320 wrote to memory of 2264	1320	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	31
PID 1320 wrote to memory of 2264	1320	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	31
PID 1320 wrote to memory of 2264	1320	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	31
PID 1320 wrote to memory of 2432	1320	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	33
PID 1320 wrote to memory of 2432	1320	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	33
PID 1320 wrote to memory of 2432	1320	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	33
PID 1320 wrote to memory of 2432	1320	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	33
PID 1320 wrote to memory of 812	1320	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	34
PID 1320 wrote to memory of 812	1320	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	34
PID 1320 wrote to memory of 812	1320	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	34
PID 1320 wrote to memory of 812	1320	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	34
PID 1320 wrote to memory of 2848	1320	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	37
PID 1320 wrote to memory of 2848	1320	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	37
PID 1320 wrote to memory of 2848	1320	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	37
PID 1320 wrote to memory of 2848	1320	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	37
PID 1320 wrote to memory of 2848	1320	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	37
PID 1320 wrote to memory of 2848	1320	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	37
PID 1320 wrote to memory of 2848	1320	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	37
PID 1320 wrote to memory of 2848	1320	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	37
PID 1320 wrote to memory of 2848	1320	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	37
PID 1320 wrote to memory of 2848	1320	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	37
PID 1320 wrote to memory of 2848	1320	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	37
PID 1320 wrote to memory of 2848	1320	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	37
PID 1320 wrote to memory of 2848	1320	7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe	37

C:\Users\Admin\AppData\Local\Temp\7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe
"C:\Users\Admin\AppData\Local\Temp\7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1320
- 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\7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2264
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\pNamqURus.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2432
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pNamqURus" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1822.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:812
- C:\Users\Admin\AppData\Local\Temp\7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe
  "C:\Users\Admin\AppData\Local\Temp\7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2848

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
8bd1c47db007c3644dae4e0c6d338960

SHA1
21f3cf83dd4eaccb56915d99756f55822f561630

SHA256
aeadb8bde5408606006cf6aac74813e919f95b568de0bb39fad25861b0e06212

SHA512
1edef6126e3e6603641a686ab50e1abeeaf9ed8a8473551d3a16d65a235b09c78e706e646c817e6967fc5bd43358c00aaafa45071e214df7d88f931c7c2d67c6

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1822.tmp

Filesize
1KB

MD5
f82eeb5e31d019a566df9dc7aca29115

SHA1
b0367582efc8bc4f85d08ad6c80e603d0a00cef8

SHA256
ad2d0a0e9c9c31ba64ed2b58b64ef83d4eb1f99302b1e2d054706fc4287c2cd2

SHA512
a7a06cb1357fa9a7cc9df577c70068c3d4d1a45990e8ccd3310b083456e67fe101e8f0b6008ac76b4188c4df973e196647c5b2ddf2f0195b3be38ed1a3221758

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\678YZV3I51QGQKH16GWH.temp

Filesize
7KB

MD5
ad59677df32484d568e242c540bc5d9e

SHA1
943cb2c5136568deeb3807a587fa5f60b21901f3

SHA256
2a4d486e38182373d221ee1c4933b6c6a54a964eff0781fa861cbced50a6f72c

SHA512
fef94563919ea66dd225568b798bd7e48eeae9d0173b206ab5d8dca3c2fd262b5496b2bb54c56ee26e261dc350f348a22f5dc75c61313f1a94ca55432fae008f

Download Submit
memory/1320-0-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

Filesize
4KB

Download
memory/1320-1-0x0000000000BB0000-0x0000000000C9C000-memory.dmp

Filesize
944KB

Download
memory/1320-2-0x0000000074CB0000-0x000000007539E000-memory.dmp

Filesize
6.9MB

Download
memory/1320-3-0x00000000003D0000-0x00000000003E0000-memory.dmp

Filesize
64KB

Download
memory/1320-4-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

Filesize
4KB

Download
memory/1320-5-0x0000000074CB0000-0x000000007539E000-memory.dmp

Filesize
6.9MB

Download
memory/1320-6-0x0000000005370000-0x0000000005430000-memory.dmp

Filesize
768KB

Download
memory/1320-41-0x0000000074CB0000-0x000000007539E000-memory.dmp

Filesize
6.9MB

Download
memory/2848-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2848-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-54-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-62-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-70-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-71-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-78-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads