remcos | 0dbc322586fa9f92b727134d3b497df20b5629a21404f00cea9873382a7ac4c8

General

Target

Ordre d?achat SZ5-9-020,pdf.exe
Size

363KB
MD5

6932391f4b0a51e31f16b26c44e2c437
SHA1

0056033f60670d99465691ff44301885a5dad5e2
SHA256

3dc72f904d94fdf5e6cbb0fa1d4055cf7caca8f700c965f7fda9729494a30456
SHA512

899594e17920791b29f1347fbf13175d532cd578eefe93cd4e4b7219234fb3140b3b0f192f7d6262a284573c185472ed81ae77711e7491dea55361187f2758df

Score

10^/10

remcos remotehost rat

Malware Config

Extracted

Family

remcos

Version

2.5.0 Pro

Botnet

RemoteHost

C2

experience2477.ddns.net:1965

Attributes

audio_folder
MicRecords
audio_path
%AppData%
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
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
Remcos-MCNA55
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
take_screenshot_title
wikipedia;solitaire;

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Ordre d_achat SZ5-9-020,pdf.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	Ordre d_achat SZ5-9-020,pdf.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
Suspicious use of SetThreadContext 1 IoCs

Processes:

Ordre d_achat SZ5-9-020,pdf.exe

description pid process target process

PID 2004 set thread context of 432 2004 Ordre d_achat SZ5-9-020,pdf.exe vbc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

544 schtasks.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

Ordre d_achat SZ5-9-020,pdf.exe

pid process

2004 Ordre d_achat SZ5-9-020,pdf.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Ordre d_achat SZ5-9-020,pdf.exe

description pid process

Token: SeDebugPrivilege 2004 Ordre d_achat SZ5-9-020,pdf.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vbc.exe

pid process

432 vbc.exe

description	pid	process	target process
PID 2004 set thread context of 432	2004	Ordre d_achat SZ5-9-020,pdf.exe	vbc.exe

pid	process
544	schtasks.exe

pid	process
2004	Ordre d_achat SZ5-9-020,pdf.exe

description	pid	process
Token: SeDebugPrivilege	2004	Ordre d_achat SZ5-9-020,pdf.exe

pid	process
432	vbc.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Ordre d_achat SZ5-9-020,pdf.exe

description	pid	process	target process
PID 2004 wrote to memory of 544	2004	Ordre d_achat SZ5-9-020,pdf.exe	schtasks.exe
PID 2004 wrote to memory of 544	2004	Ordre d_achat SZ5-9-020,pdf.exe	schtasks.exe
PID 2004 wrote to memory of 544	2004	Ordre d_achat SZ5-9-020,pdf.exe	schtasks.exe
PID 2004 wrote to memory of 432	2004	Ordre d_achat SZ5-9-020,pdf.exe	vbc.exe
PID 2004 wrote to memory of 432	2004	Ordre d_achat SZ5-9-020,pdf.exe	vbc.exe
PID 2004 wrote to memory of 432	2004	Ordre d_achat SZ5-9-020,pdf.exe	vbc.exe
PID 2004 wrote to memory of 432	2004	Ordre d_achat SZ5-9-020,pdf.exe	vbc.exe
PID 2004 wrote to memory of 432	2004	Ordre d_achat SZ5-9-020,pdf.exe	vbc.exe
PID 2004 wrote to memory of 432	2004	Ordre d_achat SZ5-9-020,pdf.exe	vbc.exe
PID 2004 wrote to memory of 432	2004	Ordre d_achat SZ5-9-020,pdf.exe	vbc.exe
PID 2004 wrote to memory of 432	2004	Ordre d_achat SZ5-9-020,pdf.exe	vbc.exe
PID 2004 wrote to memory of 432	2004	Ordre d_achat SZ5-9-020,pdf.exe	vbc.exe
PID 2004 wrote to memory of 432	2004	Ordre d_achat SZ5-9-020,pdf.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\Ordre d_achat SZ5-9-020,pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Ordre d_achat SZ5-9-020,pdf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2004

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RxXOVfqUm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCA4A.tmp"
2⤵
- Creates scheduled task(s)
PID:544

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"{path}"
2⤵
- Suspicious use of SetWindowsHookEx
PID:432

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Scripting

1

T1064

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpCA4A.tmp
Filesize
1KB

MD5
9931ccef1d909df36a1caa94dd76f788

SHA1
b9765b41dde4e47d3aedb6718dd14296b7a79a9e

SHA256
5d863919e218cb282e887f4bc15cd968921b64952a92d781945a67c600d48b6a

SHA512
661ff768292a9ef4d1ce1ee88c28e8503a9f0905c9519b0b39df37606f7200fa07a945b5b9fa4bd10ef7ab60699336476ada2ecdf4173a5aecb11d6d044f9c27

Download Submit
memory/432-137-0x0000000000000000-mapping.dmp

Download
memory/432-138-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/432-140-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/432-141-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/544-135-0x0000000000000000-mapping.dmp

Download
memory/2004-130-0x0000000000050000-0x00000000000B0000-memory.dmp

Filesize
384KB

Download
memory/2004-131-0x00000000051C0000-0x0000000005764000-memory.dmp

Filesize
5.6MB

Download
memory/2004-132-0x0000000004AF0000-0x0000000004B82000-memory.dmp

Filesize
584KB

Download
memory/2004-133-0x00000000025F0000-0x00000000025FA000-memory.dmp

Filesize
40KB

Download
memory/2004-134-0x00000000083E0000-0x000000000847C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads