remcos | e9722e47b29154659d5d5375e4178581d75453a0df167bd1fa46d7c858bcb3e7

General

Target

Casillero Judicial 033-23.exe
Size

1023.9MB
MD5

a078ef46f19d0903eb96bdda28fdfa5f
SHA1

b869dc11f02cf3ef60ec364303ec3652504827b7
SHA256

4786580292441fc582268def19a871afb425c00dadc9957ffc60a91bc8efea3d
SHA512

a0e1170ca27799d543f0b1ade04eb6c9ff08c71f15c2864331a8845fdcd794a69f55981b9069981cd1c9aabb6ae2e169ad9cc8829e2f24f0f46346be2cd64230
SSDEEP

24576:XbrxReON+KHYrJSpu94SCnGmy89Fsltpv:LfPw943nG789mb

Score

10^/10

remcos volvimoos rat

Malware Config

Extracted

Family

remcos

Botnet

VOLVIMOOS

C2

panypeces.con-ip.com:7770

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-XW8DEF
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4528 set thread context of 1136	4528	Casillero Judicial 033-23.exe	93

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/Job

T1053

pid	Process
1388	schtasks.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1136	AppLaunch.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 4528 wrote to memory of 1136	4528	Casillero Judicial 033-23.exe	93
PID 4528 wrote to memory of 1136	4528	Casillero Judicial 033-23.exe	93
PID 4528 wrote to memory of 1136	4528	Casillero Judicial 033-23.exe	93
PID 4528 wrote to memory of 1136	4528	Casillero Judicial 033-23.exe	93
PID 4528 wrote to memory of 1136	4528	Casillero Judicial 033-23.exe	93
PID 4528 wrote to memory of 1136	4528	Casillero Judicial 033-23.exe	93
PID 4528 wrote to memory of 1136	4528	Casillero Judicial 033-23.exe	93
PID 4528 wrote to memory of 1136	4528	Casillero Judicial 033-23.exe	93
PID 4528 wrote to memory of 1136	4528	Casillero Judicial 033-23.exe	93
PID 4528 wrote to memory of 1136	4528	Casillero Judicial 033-23.exe	93
PID 4528 wrote to memory of 1136	4528	Casillero Judicial 033-23.exe	93
PID 4528 wrote to memory of 1136	4528	Casillero Judicial 033-23.exe	93
PID 4528 wrote to memory of 1952	4528	Casillero Judicial 033-23.exe	95
PID 4528 wrote to memory of 1952	4528	Casillero Judicial 033-23.exe	95
PID 4528 wrote to memory of 1952	4528	Casillero Judicial 033-23.exe	95
PID 4528 wrote to memory of 1540	4528	Casillero Judicial 033-23.exe	97
PID 4528 wrote to memory of 1540	4528	Casillero Judicial 033-23.exe	97
PID 4528 wrote to memory of 1540	4528	Casillero Judicial 033-23.exe	97
PID 1540 wrote to memory of 1388	1540	cmd.exe	100
PID 1540 wrote to memory of 1388	1540	cmd.exe	100
PID 1540 wrote to memory of 1388	1540	cmd.exe	100
PID 4528 wrote to memory of 752	4528	Casillero Judicial 033-23.exe	101
PID 4528 wrote to memory of 752	4528	Casillero Judicial 033-23.exe	101
PID 4528 wrote to memory of 752	4528	Casillero Judicial 033-23.exe	101

C:\Users\Admin\AppData\Local\Temp\Casillero Judicial 033-23.exe
"C:\Users\Admin\AppData\Local\Temp\Casillero Judicial 033-23.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4528
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1136
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C mkdir "C:\Users\Admin\AppData\Roaming\AppData"
  2⤵
  PID:1952
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C schtasks /create /sc minute /mo 10 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\AppData\AppData.exe'" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1540
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 10 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\AppData\AppData.exe'" /f
    3⤵
    - Creates scheduled task(s)
    PID:1388
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C copy "C:\Users\Admin\AppData\Local\Temp\Casillero Judicial 033-23.exe" "C:\Users\Admin\AppData\Roaming\AppData\AppData.exe"
  2⤵
  PID:752

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
aa8c7eddd98e1c46f200f6e9f7d74286

SHA1
69ebf8bfa33e2f4b740fe318f5254d4876a4c2f1

SHA256
4f1db48bf03c5658e9c66e144e776fcec0c65b3e54c8fdbaa6a1a857b373394b

SHA512
e09a46d549f8db391c8a1441312f69e305ba88f1adbaef662731331f2b5f7e78147a9221bcfd89c0fee1101d655264f6f4cf30943a8e86346fe5845a73c2aa59

Download Submit
memory/1136-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1136-53-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1136-61-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1136-4-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1136-5-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1136-6-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1136-7-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1136-8-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1136-10-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1136-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1136-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1136-60-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1136-52-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1136-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1136-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1136-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1136-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1136-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1136-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1136-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1136-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1136-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4528-1-0x00000000750F0000-0x00000000758A0000-memory.dmp

Filesize
7.7MB

Download
memory/4528-2-0x0000000004E40000-0x0000000004E50000-memory.dmp

Filesize
64KB

Download
memory/4528-0-0x0000000000390000-0x0000000000428000-memory.dmp

Filesize
608KB

Download
memory/4528-21-0x00000000750F0000-0x00000000758A0000-memory.dmp

Filesize
7.7MB

Download
memory/4528-3-0x0000000005400000-0x00000000059A4000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads