remcos | 8a252e03d74753f00deb6e3505e3fdc528cb04c140e35afdae2ce23550ef1f61

General

Target

8a252e03d74753f00deb6e3505e3fdc528cb04c140e35afdae2ce23550ef1f61.exe
Size

3.0MB
MD5

bc6fcf5d363403c9f75e828d68b87ca7
SHA1

e8ecbf12fa0e51ee400de069c791708bd95061b6
SHA256

8a252e03d74753f00deb6e3505e3fdc528cb04c140e35afdae2ce23550ef1f61
SHA512

9a40c6b96610c4a1570ab4e0942f0ca3114d57c68bbf0797134b60fb5130b84a551fb30f44907c77cb8c236c71270e241d9f06c5b51aef01622898879245b532
SSDEEP

49152:xL8zO+g39FbI0eQf/Z3CarWedoYAmXvinTMtTckbXS2e5g1WhkqN5Y:mzO19Fnf/hdoYAmBikVIrhkqN5Y

Score

10^/10

remcos ahora persistence rat

Malware Config

Extracted

Family

remcos

Botnet

AHORA

C2

rddhfjuyjukmu.con-ip.com:1660

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-UUF11G
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-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TopicLT = "C:\\Users\\Admin\\Documents\\OOOpLLC\\Tuniut.exe"	8a252e03d74753f00deb6e3505e3fdc528cb04c140e35afdae2ce23550ef1f61.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
4508	8a252e03d74753f00deb6e3505e3fdc528cb04c140e35afdae2ce23550ef1f61.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3040	8a252e03d74753f00deb6e3505e3fdc528cb04c140e35afdae2ce23550ef1f61.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4508 wrote to memory of 3040	4508	8a252e03d74753f00deb6e3505e3fdc528cb04c140e35afdae2ce23550ef1f61.exe	91
PID 4508 wrote to memory of 3040	4508	8a252e03d74753f00deb6e3505e3fdc528cb04c140e35afdae2ce23550ef1f61.exe	91
PID 4508 wrote to memory of 3040	4508	8a252e03d74753f00deb6e3505e3fdc528cb04c140e35afdae2ce23550ef1f61.exe	91
PID 4508 wrote to memory of 3040	4508	8a252e03d74753f00deb6e3505e3fdc528cb04c140e35afdae2ce23550ef1f61.exe	91
PID 4508 wrote to memory of 3040	4508	8a252e03d74753f00deb6e3505e3fdc528cb04c140e35afdae2ce23550ef1f61.exe	91
PID 4508 wrote to memory of 3040	4508	8a252e03d74753f00deb6e3505e3fdc528cb04c140e35afdae2ce23550ef1f61.exe	91

C:\Users\Admin\AppData\Local\Temp\8a252e03d74753f00deb6e3505e3fdc528cb04c140e35afdae2ce23550ef1f61.exe
"C:\Users\Admin\AppData\Local\Temp\8a252e03d74753f00deb6e3505e3fdc528cb04c140e35afdae2ce23550ef1f61.exe"
1⤵
- Adds Run key to start application
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:4508
- C:\Users\Admin\AppData\Local\Temp\8a252e03d74753f00deb6e3505e3fdc528cb04c140e35afdae2ce23550ef1f61.exe
  "C:\Users\Admin\AppData\Local\Temp\8a252e03d74753f00deb6e3505e3fdc528cb04c140e35afdae2ce23550ef1f61.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:3040

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
d468e634a657d6ccb8886af9f65839d6

SHA1
56901a739e986dcdd7012fae107fe1f4787aab4d

SHA256
3bb11af44b2e7fd4d38e49cf226bfeddfa557de2411e373a74da50d0ca5c5001

SHA512
7181c16317b15ccb413843e96d139643620481219ba886594f31fa3b7d719640fa857e78ad9f575887c2c28da700e436f1e4e3802e63c04ca36661dbac241a61

Download Submit
memory/3040-15-0x00000000000D0000-0x0000000000152000-memory.dmp

Filesize
520KB

Download
memory/3040-17-0x00000000000D0000-0x0000000000152000-memory.dmp

Filesize
520KB

Download
memory/3040-4-0x0000000000160000-0x0000000000161000-memory.dmp

Filesize
4KB

Download
memory/3040-51-0x00000000000D0000-0x0000000000152000-memory.dmp

Filesize
520KB

Download
memory/3040-8-0x00000000000D0000-0x0000000000152000-memory.dmp

Filesize
520KB

Download
memory/3040-14-0x0000000000400000-0x000000000076C000-memory.dmp

Filesize
3.4MB

Download
memory/3040-13-0x00000000000D0000-0x0000000000152000-memory.dmp

Filesize
520KB

Download
memory/3040-10-0x00000000000D0000-0x0000000000152000-memory.dmp

Filesize
520KB

Download
memory/3040-7-0x00000000000D0000-0x0000000000152000-memory.dmp

Filesize
520KB

Download
memory/3040-50-0x00000000000D0000-0x0000000000152000-memory.dmp

Filesize
520KB

Download
memory/3040-43-0x00000000000D0000-0x0000000000152000-memory.dmp

Filesize
520KB

Download
memory/3040-18-0x00000000000D0000-0x0000000000152000-memory.dmp

Filesize
520KB

Download
memory/3040-16-0x00000000000D0000-0x0000000000152000-memory.dmp

Filesize
520KB

Download
memory/3040-42-0x00000000000D0000-0x0000000000152000-memory.dmp

Filesize
520KB

Download
memory/3040-26-0x00000000000D0000-0x0000000000152000-memory.dmp

Filesize
520KB

Download
memory/3040-27-0x00000000000D0000-0x0000000000152000-memory.dmp

Filesize
520KB

Download
memory/3040-34-0x00000000000D0000-0x0000000000152000-memory.dmp

Filesize
520KB

Download
memory/4508-3-0x0000000000400000-0x000000000076C000-memory.dmp

Filesize
3.4MB

Download
memory/4508-2-0x0000000000408000-0x0000000000421000-memory.dmp

Filesize
100KB

Download
memory/4508-0-0x0000000000400000-0x000000000076C000-memory.dmp

Filesize
3.4MB

Download
memory/4508-9-0x0000000000400000-0x000000000076C000-memory.dmp

Filesize
3.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads