remcos | 1c80bf8e780ae58203e7f816c8fe04f66df434a3fbd981ba7c6e52e588622c03

General

Target

P87unxnF4t4DSrTt43.exe
Size

1.0MB
MD5

51bb5f38593e255c16ab2712757cda43
SHA1

458fbe81fed707852864c3bcc4997b27d6a65832
SHA256

1c80bf8e780ae58203e7f816c8fe04f66df434a3fbd981ba7c6e52e588622c03
SHA512

80d2f4464d5f036000318ef6ba43b23c8e5576c67989b0097adbf13545b790df1340937d1f7f67d0d8630b2f80c8b85e3286032554868424d2bb5612fda6dcf9
SSDEEP

12288:O8iWXV7O7jJlohi9cptOybLZG6OHGw2/EvK6hxshTAaZpAWLq8uFTF+cMSIsYSv/:FO7jX+pRblGp1vKMuhtTk0sYyKvwTm

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

www.kposlifestyle.design:2404

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
edefdefffff
mouse_option
false
mutex
Rmc-OH1QS4
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

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
2224	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2380 set thread context of 2776	2380	P87unxnF4t4DSrTt43.exe	32

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	P87unxnF4t4DSrTt43.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	P87unxnF4t4DSrTt43.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2224	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2224	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2776	P87unxnF4t4DSrTt43.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2224	2380	P87unxnF4t4DSrTt43.exe	30
PID 2380 wrote to memory of 2224	2380	P87unxnF4t4DSrTt43.exe	30
PID 2380 wrote to memory of 2224	2380	P87unxnF4t4DSrTt43.exe	30
PID 2380 wrote to memory of 2224	2380	P87unxnF4t4DSrTt43.exe	30
PID 2380 wrote to memory of 2776	2380	P87unxnF4t4DSrTt43.exe	32
PID 2380 wrote to memory of 2776	2380	P87unxnF4t4DSrTt43.exe	32
PID 2380 wrote to memory of 2776	2380	P87unxnF4t4DSrTt43.exe	32
PID 2380 wrote to memory of 2776	2380	P87unxnF4t4DSrTt43.exe	32
PID 2380 wrote to memory of 2776	2380	P87unxnF4t4DSrTt43.exe	32
PID 2380 wrote to memory of 2776	2380	P87unxnF4t4DSrTt43.exe	32
PID 2380 wrote to memory of 2776	2380	P87unxnF4t4DSrTt43.exe	32
PID 2380 wrote to memory of 2776	2380	P87unxnF4t4DSrTt43.exe	32
PID 2380 wrote to memory of 2776	2380	P87unxnF4t4DSrTt43.exe	32
PID 2380 wrote to memory of 2776	2380	P87unxnF4t4DSrTt43.exe	32
PID 2380 wrote to memory of 2776	2380	P87unxnF4t4DSrTt43.exe	32

C:\Users\Admin\AppData\Local\Temp\P87unxnF4t4DSrTt43.exe
"C:\Users\Admin\AppData\Local\Temp\P87unxnF4t4DSrTt43.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2380
- 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\P87unxnF4t4DSrTt43.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2224
- C:\Users\Admin\AppData\Local\Temp\P87unxnF4t4DSrTt43.exe
  "C:\Users\Admin\AppData\Local\Temp\P87unxnF4t4DSrTt43.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2776

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

C:\ProgramData\edefdefffff\logs.dat

Filesize
144B

MD5
a3ed27cadc8e4280e7a312c14bbf7386

SHA1
94fc3fb48a3c64b428d6e24b69f502b4d68fa88f

SHA256
7503b28ebe04088f8aa414f7a878ea52c18a79c4181d41e2ef5d4474b41b164f

SHA512
0c7d846eac60afe2c607e6f558b3a7456089da4f1755def025cc8b4ce485801de57b8b939fbb2921e31599514f200caadd052476e60470ebf11dbefc9f6d7e8a

Download Submit
memory/2380-27-0x0000000074DE0000-0x00000000754CE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-1-0x0000000000980000-0x0000000000A88000-memory.dmp

Filesize
1.0MB

Download
memory/2380-2-0x0000000074DE0000-0x00000000754CE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-3-0x0000000000480000-0x00000000004A6000-memory.dmp

Filesize
152KB

Download
memory/2380-4-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

Filesize
4KB

Download
memory/2380-5-0x0000000074DE0000-0x00000000754CE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-6-0x0000000004160000-0x0000000004222000-memory.dmp

Filesize
776KB

Download
memory/2380-0-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

Filesize
4KB

Download
memory/2776-12-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2776-14-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2776-26-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2776-22-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2776-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2776-28-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2776-16-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2776-20-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2776-10-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2776-30-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2776-29-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2776-31-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2776-9-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2776-23-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2776-38-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2776-37-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2776-7-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2776-46-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2776-45-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2776-54-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2776-53-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2776-61-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2776-62-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2776-70-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2776-69-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download

Analysis

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