remcos | 314534f39c7e29b43e6d7bd57850c4c4a712bf69171971bfd7bc21aebb5a6850

Analysis

max time kernel
180s
max time network
178s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-10-2024 22:49

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General

Target

LIQUIDACION0002389204324283.exe
Size

5.0MB
MD5

f4f4a22021ac7ec3dbeaca8ecbb06043
SHA1

1bac415e7901b29a10cf3d0bdc90be5822003a81
SHA256

860b0aba6759593740ad1b6b5ae1bb895c09b85be566273c2877ef140ef75a65
SHA512

1c9b01d6e4f1b8b318d42ec10a54552dd2dabac6ea79abc657ddd2efbd5006cb80d2b112725f4dd57a1195eb151bcf5f860cc98f90254c6491f235152be6a742
SSDEEP

98304:3/k9oQgoMllDi8miotam56KNGiomHbJd5ML+waoQLi3nQiIK:3fQgbDDi8miotam56KNh7JIQ2AiL

Score

10^/10

remcos 09()()()octubre()()()2024 discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

09()()()OcTUBRE()()()2024

oijifhb490398hfuni34uifn4.con-ip.com:5023

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-HZCS32
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

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\HxdDesignerEditor = "C:\\Users\\Admin\\Music\\HxdDesignerUpdater\\HxdVideo.exe"	LIQUIDACION0002389204324283.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	LIQUIDACION0002389204324283.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	LIQUIDACION0002389204324283.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2508	LIQUIDACION0002389204324283.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 2508	2132	LIQUIDACION0002389204324283.exe	31
PID 2132 wrote to memory of 2508	2132	LIQUIDACION0002389204324283.exe	31
PID 2132 wrote to memory of 2508	2132	LIQUIDACION0002389204324283.exe	31
PID 2132 wrote to memory of 2508	2132	LIQUIDACION0002389204324283.exe	31
PID 2132 wrote to memory of 2508	2132	LIQUIDACION0002389204324283.exe	31
PID 2132 wrote to memory of 2508	2132	LIQUIDACION0002389204324283.exe	31

C:\Users\Admin\AppData\Local\Temp\LIQUIDACION0002389204324283.exe
"C:\Users\Admin\AppData\Local\Temp\LIQUIDACION0002389204324283.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2132
- C:\Users\Admin\AppData\Local\Temp\LIQUIDACION0002389204324283.exe
  "C:\Users\Admin\AppData\Local\Temp\LIQUIDACION0002389204324283.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2508

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
b9986b6691443c22d017989a4bad2c64

SHA1
8a03117835fb04a4d45972d245a679575e255629

SHA256
cf45c14115c77bc37b04f94316ef4c1eda931b985790be9e9e556aa710367242

SHA512
4e8acd67e7da29ce9f782dfc5cd74a546843282afca568093426b3f00d3fbf2e4913af4b7a61ab9ddf08319d0f272eeee8ebcdcdf5261310455a9444c09daecf

Download Submit
memory/2132-1-0x0000000000400000-0x0000000000969000-memory.dmp

Filesize
5.4MB

Download
memory/2132-4-0x0000000000400000-0x0000000000969000-memory.dmp

Filesize
5.4MB

Download
memory/2132-5-0x0000000000400000-0x0000000000969000-memory.dmp

Filesize
5.4MB

Download
memory/2132-2-0x0000000000513000-0x000000000052C000-memory.dmp

Filesize
100KB

Download
memory/2132-7-0x0000000000400000-0x0000000000969000-memory.dmp

Filesize
5.4MB

Download
memory/2132-6-0x0000000000400000-0x0000000000969000-memory.dmp

Filesize
5.4MB

Download
memory/2132-13-0x0000000000400000-0x0000000000969000-memory.dmp

Filesize
5.4MB

Download
memory/2132-21-0x0000000000400000-0x0000000000969000-memory.dmp

Filesize
5.4MB

Download
memory/2508-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2508-12-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-22-0x0000000000400000-0x0000000000969000-memory.dmp

Filesize
5.4MB

Download
memory/2508-20-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-17-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-16-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-8-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-23-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-26-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-25-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-27-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-29-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-34-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-35-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-37-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-39-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-40-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-41-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-42-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-44-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-45-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-46-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-47-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-49-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-50-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-51-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-52-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-54-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-55-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-56-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-57-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-59-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-60-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-61-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-63-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-64-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-69-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-70-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-75-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-77-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-82-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-83-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-88-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-89-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-95-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2508-96-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads