remcos | 96e77df42016a7a980b96cd30182b9b72fae1e8fbb8dd3ae026fd05806564f07

General

Target

Doc 948534959345435 extraordinario Vencimiento de crédito 08 de Oct.exe
Size

4.9MB
MD5

cbdd93c0f2fdc3549188bad11af2cbb6
SHA1

bb8023707452a17e8236cae8d2e7a11cc0ec8c1d
SHA256

8aa24e0acffe7459f0662e8f3852fc34ed65a6e05cd468bdbc4c7a30c480a169
SHA512

8cfcdee2366f3d7e276070e7a353346600f58da66c4dbe940a8db58a5b1b6c1bea91fac7fd6a99b8db7a9e3bc09f2b491807e2af91b1aba6b16631a15f41a919
SSDEEP

49152:GSq2zkGQxfkScRd2j4309+eZypv0rMHul1gUuu9blTeYbkqFTckW4lLFQoMHMZKB:GStzEx9xypvogUuuhkYbkqFWCMojwH

Score

10^/10

remcos octu discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

OCTU

C2

segurosbolivar24.con-ip.com:2006

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
registros.dat
keylog_flag
false
keylog_folder
regist
mouse_option
false
mutex
ljnghvfghujkvgnasftnz-X8YJ1F
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Capturas de pantalla
screenshot_path
%AppData%
screenshot_time
10
startup_value
take_screenshot_option
false
take_screenshot_time
5

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

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\ResDesignerEditor = "C:\\Users\\Admin\\Music\\ResDesignerUpdater\\ResVideo.exe"	Doc 948534959345435 extraordinario Vencimiento de crédito 08 de Oct.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	Doc 948534959345435 extraordinario Vencimiento de crédito 08 de Oct.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Doc 948534959345435 extraordinario Vencimiento de crédito 08 de Oct.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1772	Doc 948534959345435 extraordinario Vencimiento de crédito 08 de Oct.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 1772	2220	Doc 948534959345435 extraordinario Vencimiento de crédito 08 de Oct.exe	30
PID 2220 wrote to memory of 1772	2220	Doc 948534959345435 extraordinario Vencimiento de crédito 08 de Oct.exe	30
PID 2220 wrote to memory of 1772	2220	Doc 948534959345435 extraordinario Vencimiento de crédito 08 de Oct.exe	30
PID 2220 wrote to memory of 1772	2220	Doc 948534959345435 extraordinario Vencimiento de crédito 08 de Oct.exe	30
PID 2220 wrote to memory of 1772	2220	Doc 948534959345435 extraordinario Vencimiento de crédito 08 de Oct.exe	30
PID 2220 wrote to memory of 1772	2220	Doc 948534959345435 extraordinario Vencimiento de crédito 08 de Oct.exe	30

C:\Users\Admin\AppData\Local\Temp\Doc 948534959345435 extraordinario Vencimiento de crédito 08 de Oct.exe
"C:\Users\Admin\AppData\Local\Temp\Doc 948534959345435 extraordinario Vencimiento de crédito 08 de Oct.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Users\Admin\AppData\Local\Temp\Doc 948534959345435 extraordinario Vencimiento de crédito 08 de Oct.exe
  "C:\Users\Admin\AppData\Local\Temp\Doc 948534959345435 extraordinario Vencimiento de crédito 08 de Oct.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1772

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

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\regist\registros.dat

Filesize
184B

MD5
ab45cd09f555adcc16ddb56bdee55e07

SHA1
01802e1b695cf5ad44b9e7f98f814a962224f650

SHA256
a8915f0b90e4012e2b0352ff45c6e7a2882eed36a734b555011ca7c4abc92438

SHA512
89045ad73124697be0b1a0257afb0e09d7886baa374ea9a4dfe50665d709614aad13f8280d119f20edc3121d4657876623dc77bc2d5fd441b03baab20d099688

Download Submit
memory/1772-44-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1772-63-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1772-22-0x0000000000400000-0x0000000000955000-memory.dmp

Filesize
5.3MB

Download
memory/1772-68-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1772-23-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1772-62-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1772-57-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1772-56-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1772-20-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1772-17-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1772-16-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1772-12-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1772-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1772-50-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1772-70-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1772-49-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1772-8-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1772-30-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1772-31-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1772-43-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1772-36-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1772-37-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2220-1-0x0000000000514000-0x000000000052D000-memory.dmp

Filesize
100KB

Download
memory/2220-0-0x0000000000400000-0x0000000000955000-memory.dmp

Filesize
5.3MB

Download
memory/2220-2-0x0000000000400000-0x0000000000955000-memory.dmp

Filesize
5.3MB

Download
memory/2220-13-0x0000000000400000-0x0000000000955000-memory.dmp

Filesize
5.3MB

Download
memory/2220-21-0x0000000000400000-0x0000000000955000-memory.dmp

Filesize
5.3MB

Download
memory/2220-25-0x0000000000514000-0x000000000052D000-memory.dmp

Filesize
100KB

Download
memory/2220-4-0x0000000000400000-0x0000000000955000-memory.dmp

Filesize
5.3MB

Download
memory/2220-6-0x0000000000400000-0x0000000000955000-memory.dmp

Filesize
5.3MB

Download
memory/2220-7-0x0000000000400000-0x0000000000955000-memory.dmp

Filesize
5.3MB

Download
memory/2220-5-0x0000000000400000-0x0000000000955000-memory.dmp

Filesize
5.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads