remcos | c0b8ab0ce70e5ef60f0e3a39efb2a33b2ca93d7c129a08fd05323575fb4a3dad

General

Target

c0b8ab0ce70e5ef60f0e3a39efb2a33b2ca93d7c129a08fd05323575fb4a3dad.exe
Size

936KB
MD5

30586cbe469e9512308408268d1cf7cf
SHA1

4fbe66e2ac6e47a813d2b16f0323abf899ce0425
SHA256

c0b8ab0ce70e5ef60f0e3a39efb2a33b2ca93d7c129a08fd05323575fb4a3dad
SHA512

2c441b4c527f97e16ea3135e5715f3efa347a1214aa1d036cfa04cdce757dfa05823acb19c8f9d80b76858410ea05916cfa030d5bc48b5cae61d3a33e52ee066
SSDEEP

24576:cxoL0xHuCPEHka3tAZoZV/MXllDDYbb23IYJI:cxoLjCL+uZGV1XY

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

23.106.127.109:5432

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-8RHX5L
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 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2708	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2532 set thread context of 2476	2532	c0b8ab0ce70e5ef60f0e3a39efb2a33b2ca93d7c129a08fd05323575fb4a3dad.exe	33

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 3 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	c0b8ab0ce70e5ef60f0e3a39efb2a33b2ca93d7c129a08fd05323575fb4a3dad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c0b8ab0ce70e5ef60f0e3a39efb2a33b2ca93d7c129a08fd05323575fb4a3dad.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2532	c0b8ab0ce70e5ef60f0e3a39efb2a33b2ca93d7c129a08fd05323575fb4a3dad.exe
2532	c0b8ab0ce70e5ef60f0e3a39efb2a33b2ca93d7c129a08fd05323575fb4a3dad.exe
2708	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2532	c0b8ab0ce70e5ef60f0e3a39efb2a33b2ca93d7c129a08fd05323575fb4a3dad.exe
Token: SeDebugPrivilege	2708	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 2708	2532	c0b8ab0ce70e5ef60f0e3a39efb2a33b2ca93d7c129a08fd05323575fb4a3dad.exe	31
PID 2532 wrote to memory of 2708	2532	c0b8ab0ce70e5ef60f0e3a39efb2a33b2ca93d7c129a08fd05323575fb4a3dad.exe	31
PID 2532 wrote to memory of 2708	2532	c0b8ab0ce70e5ef60f0e3a39efb2a33b2ca93d7c129a08fd05323575fb4a3dad.exe	31
PID 2532 wrote to memory of 2708	2532	c0b8ab0ce70e5ef60f0e3a39efb2a33b2ca93d7c129a08fd05323575fb4a3dad.exe	31
PID 2532 wrote to memory of 2476	2532	c0b8ab0ce70e5ef60f0e3a39efb2a33b2ca93d7c129a08fd05323575fb4a3dad.exe	33
PID 2532 wrote to memory of 2476	2532	c0b8ab0ce70e5ef60f0e3a39efb2a33b2ca93d7c129a08fd05323575fb4a3dad.exe	33
PID 2532 wrote to memory of 2476	2532	c0b8ab0ce70e5ef60f0e3a39efb2a33b2ca93d7c129a08fd05323575fb4a3dad.exe	33
PID 2532 wrote to memory of 2476	2532	c0b8ab0ce70e5ef60f0e3a39efb2a33b2ca93d7c129a08fd05323575fb4a3dad.exe	33
PID 2532 wrote to memory of 2476	2532	c0b8ab0ce70e5ef60f0e3a39efb2a33b2ca93d7c129a08fd05323575fb4a3dad.exe	33
PID 2532 wrote to memory of 2476	2532	c0b8ab0ce70e5ef60f0e3a39efb2a33b2ca93d7c129a08fd05323575fb4a3dad.exe	33
PID 2532 wrote to memory of 2476	2532	c0b8ab0ce70e5ef60f0e3a39efb2a33b2ca93d7c129a08fd05323575fb4a3dad.exe	33
PID 2532 wrote to memory of 2476	2532	c0b8ab0ce70e5ef60f0e3a39efb2a33b2ca93d7c129a08fd05323575fb4a3dad.exe	33
PID 2532 wrote to memory of 2476	2532	c0b8ab0ce70e5ef60f0e3a39efb2a33b2ca93d7c129a08fd05323575fb4a3dad.exe	33
PID 2532 wrote to memory of 2476	2532	c0b8ab0ce70e5ef60f0e3a39efb2a33b2ca93d7c129a08fd05323575fb4a3dad.exe	33
PID 2532 wrote to memory of 2476	2532	c0b8ab0ce70e5ef60f0e3a39efb2a33b2ca93d7c129a08fd05323575fb4a3dad.exe	33
PID 2532 wrote to memory of 2476	2532	c0b8ab0ce70e5ef60f0e3a39efb2a33b2ca93d7c129a08fd05323575fb4a3dad.exe	33
PID 2532 wrote to memory of 2476	2532	c0b8ab0ce70e5ef60f0e3a39efb2a33b2ca93d7c129a08fd05323575fb4a3dad.exe	33

C:\Users\Admin\AppData\Local\Temp\c0b8ab0ce70e5ef60f0e3a39efb2a33b2ca93d7c129a08fd05323575fb4a3dad.exe
"C:\Users\Admin\AppData\Local\Temp\c0b8ab0ce70e5ef60f0e3a39efb2a33b2ca93d7c129a08fd05323575fb4a3dad.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2532
- 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\c0b8ab0ce70e5ef60f0e3a39efb2a33b2ca93d7c129a08fd05323575fb4a3dad.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2708
- C:\Users\Admin\AppData\Local\Temp\c0b8ab0ce70e5ef60f0e3a39efb2a33b2ca93d7c129a08fd05323575fb4a3dad.exe
  "C:\Users\Admin\AppData\Local\Temp\c0b8ab0ce70e5ef60f0e3a39efb2a33b2ca93d7c129a08fd05323575fb4a3dad.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2476

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

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

Replay Monitor

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Downloads

memory/2476-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2476-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2476-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2476-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2476-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2476-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2476-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2476-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2476-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2476-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2476-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2476-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2476-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2476-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2476-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2476-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2476-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2476-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2476-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2476-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2476-8-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2476-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2532-7-0x00000000057A0000-0x0000000005860000-memory.dmp

Filesize
768KB

Download
memory/2532-29-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/2532-0-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

Filesize
4KB

Download
memory/2532-6-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/2532-5-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

Filesize
4KB

Download
memory/2532-3-0x0000000000560000-0x0000000000572000-memory.dmp

Filesize
72KB

Download
memory/2532-4-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/2532-2-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/2532-1-0x0000000000880000-0x0000000000970000-memory.dmp

Filesize
960KB

Download

Analysis

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