remcos | 8d076437949873b971f9534e630ebe26a8437f50786c430eaeb46c71d53a88e5

General

Target

Angebotsanfrage - Order-00132E,pdf.exe
Size

1020KB
MD5

4cbc5df423aca14b9102340af4f3defc
SHA1

bbcd8057225afc8f1c68fa5670da07c8187b9b34
SHA256

8d076437949873b971f9534e630ebe26a8437f50786c430eaeb46c71d53a88e5
SHA512

6859bb6f60a5af6ffa8ba94dad41499cda9405e3a3e133040be3bf0591cb5d67e5f47f3455c4f40b9517563e78c0cedf794fb01523d1a50a60e50e49616bb37b

Score

10^/10

remcos las las persistence rat

Malware Config

Extracted

Family

remcos

Botnet

LAS LAS

C2

goddywin.freedynamicdns.net:4108

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-YZ590Y
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
notepad;solitaire;

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Angebotsanfrage - Order-00132E,pdf.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\Yggfenf = "C:\\Users\\Public\\Libraries\\fnefggY.url"	Angebotsanfrage - Order-00132E,pdf.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

Angebotsanfrage - Order-00132E,pdf.exe

description	pid	process	target process
PID 1964 wrote to memory of 588	1964	Angebotsanfrage - Order-00132E,pdf.exe	mobsync.exe
PID 1964 wrote to memory of 588	1964	Angebotsanfrage - Order-00132E,pdf.exe	mobsync.exe
PID 1964 wrote to memory of 588	1964	Angebotsanfrage - Order-00132E,pdf.exe	mobsync.exe
PID 1964 wrote to memory of 588	1964	Angebotsanfrage - Order-00132E,pdf.exe	mobsync.exe
PID 1964 wrote to memory of 588	1964	Angebotsanfrage - Order-00132E,pdf.exe	mobsync.exe
PID 1964 wrote to memory of 588	1964	Angebotsanfrage - Order-00132E,pdf.exe	mobsync.exe
PID 1964 wrote to memory of 588	1964	Angebotsanfrage - Order-00132E,pdf.exe	mobsync.exe
PID 1964 wrote to memory of 588	1964	Angebotsanfrage - Order-00132E,pdf.exe	mobsync.exe
PID 1964 wrote to memory of 588	1964	Angebotsanfrage - Order-00132E,pdf.exe	mobsync.exe
PID 1964 wrote to memory of 588	1964	Angebotsanfrage - Order-00132E,pdf.exe	mobsync.exe
PID 1964 wrote to memory of 588	1964	Angebotsanfrage - Order-00132E,pdf.exe	mobsync.exe
PID 1964 wrote to memory of 588	1964	Angebotsanfrage - Order-00132E,pdf.exe	mobsync.exe
PID 1964 wrote to memory of 588	1964	Angebotsanfrage - Order-00132E,pdf.exe	mobsync.exe
PID 1964 wrote to memory of 588	1964	Angebotsanfrage - Order-00132E,pdf.exe	mobsync.exe
PID 1964 wrote to memory of 588	1964	Angebotsanfrage - Order-00132E,pdf.exe	mobsync.exe
PID 1964 wrote to memory of 588	1964	Angebotsanfrage - Order-00132E,pdf.exe	mobsync.exe

C:\Users\Admin\AppData\Local\Temp\Angebotsanfrage - Order-00132E,pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Angebotsanfrage - Order-00132E,pdf.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Windows\SysWOW64\mobsync.exe
  C:\Windows\System32\mobsync.exe
  2⤵
  PID:588

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/588-66-0x0000000000000000-mapping.dmp

Download
memory/588-69-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/588-68-0x0000000000100000-0x0000000000101000-memory.dmp

Filesize
4KB

Download
memory/588-70-0x0000000010590000-0x000000001060D000-memory.dmp

Filesize
500KB

Download
memory/588-71-0x0000000000260000-0x00000000002DA000-memory.dmp

Filesize
488KB

Download
memory/588-72-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/1964-60-0x0000000074FB1000-0x0000000074FB3000-memory.dmp

Filesize
8KB

Download
memory/1964-62-0x0000000000250000-0x000000000026B000-memory.dmp

Filesize
108KB

Download
memory/1964-65-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download

Analysis

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