remcos | a5a68d1970badfb04025a60c445bc1cdfd8bae3ba5e9d582f9fee45634bf7419

General

Target

2024-09-04_29f1032b17157ed6c32afe5941c03ddf_avoslocker_poet-rat_rhadamanthys.exe
Size

9.9MB
MD5

29f1032b17157ed6c32afe5941c03ddf
SHA1

5c041e94c20cce7d987b1ba523c4a53b718a75e4
SHA256

a5a68d1970badfb04025a60c445bc1cdfd8bae3ba5e9d582f9fee45634bf7419
SHA512

e19fd153ae2fbf4b0cdc823696502fd49527ca454ab1e6cdc2189464ca0843bcd9d3e2e4770099c7e2e92473dfafaaf8e70fadfb6dcc081fa5b772d75ac3761d
SSDEEP

196608:aZpzYZVdl3/sGFKIWN3O8VuYJ/VFWPeEGM:aePRFKIW5NMa/VAjr

Score

10^/10

remcos rosalinda discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

ROSALINDA

C2

wedrfidsvijdvbikbdfv.con-ip.com:1661

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-U25YPG
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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\ClipDiary = "C:\\Users\\Admin\\Pictures\\ClipDiary\\ClipDiaryUpdater.exe"	2024-09-04_29f1032b17157ed6c32afe5941c03ddf_avoslocker_poet-rat_rhadamanthys.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	2024-09-04_29f1032b17157ed6c32afe5941c03ddf_avoslocker_poet-rat_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-04_29f1032b17157ed6c32afe5941c03ddf_avoslocker_poet-rat_rhadamanthys.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2704	2024-09-04_29f1032b17157ed6c32afe5941c03ddf_avoslocker_poet-rat_rhadamanthys.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2796 wrote to memory of 2704	2796	2024-09-04_29f1032b17157ed6c32afe5941c03ddf_avoslocker_poet-rat_rhadamanthys.exe	31
PID 2796 wrote to memory of 2704	2796	2024-09-04_29f1032b17157ed6c32afe5941c03ddf_avoslocker_poet-rat_rhadamanthys.exe	31
PID 2796 wrote to memory of 2704	2796	2024-09-04_29f1032b17157ed6c32afe5941c03ddf_avoslocker_poet-rat_rhadamanthys.exe	31
PID 2796 wrote to memory of 2704	2796	2024-09-04_29f1032b17157ed6c32afe5941c03ddf_avoslocker_poet-rat_rhadamanthys.exe	31
PID 2796 wrote to memory of 2704	2796	2024-09-04_29f1032b17157ed6c32afe5941c03ddf_avoslocker_poet-rat_rhadamanthys.exe	31
PID 2796 wrote to memory of 2704	2796	2024-09-04_29f1032b17157ed6c32afe5941c03ddf_avoslocker_poet-rat_rhadamanthys.exe	31

C:\Users\Admin\AppData\Local\Temp\2024-09-04_29f1032b17157ed6c32afe5941c03ddf_avoslocker_poet-rat_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-04_29f1032b17157ed6c32afe5941c03ddf_avoslocker_poet-rat_rhadamanthys.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2796
- C:\Users\Admin\AppData\Local\Temp\2024-09-04_29f1032b17157ed6c32afe5941c03ddf_avoslocker_poet-rat_rhadamanthys.exe
  "C:\Users\Admin\AppData\Local\Temp\2024-09-04_29f1032b17157ed6c32afe5941c03ddf_avoslocker_poet-rat_rhadamanthys.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2704

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

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
0ef1c280fb80fcadf68bb2c5229408e0

SHA1
5b0fd2b89350c5cdb3c51f4ec85d7892beac6a90

SHA256
8936651e80af662dbd2fd7cd50ca0041da37fcb41730de54a6a61ac65b3ddb7d

SHA512
e2f1b71eacd1f72635719c96a94a793c98622efe8ef207987bddba5e0b0fa1a8f90eb841e002fd5d1b3c4db9d9c9d7bdd9fd13fa0b1c95fdd8d01c951c0de5db

Download Submit
memory/2704-25-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2704-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2704-21-0x0000000000400000-0x0000000000E2B000-memory.dmp

Filesize
10.2MB

Download
memory/2704-22-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2704-49-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2704-50-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2704-20-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2704-17-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2704-12-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2704-27-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2704-8-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2704-16-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2704-57-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2704-41-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2704-33-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2704-23-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2704-24-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2704-34-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2796-4-0x0000000000400000-0x0000000000E2B000-memory.dmp

Filesize
10.2MB

Download
memory/2796-1-0x0000000000D28000-0x0000000000D37000-memory.dmp

Filesize
60KB

Download
memory/2796-0-0x0000000000400000-0x0000000000E2B000-memory.dmp

Filesize
10.2MB

Download
memory/2796-7-0x0000000000400000-0x0000000000E2B000-memory.dmp

Filesize
10.2MB

Download
memory/2796-2-0x0000000000400000-0x0000000000E2B000-memory.dmp

Filesize
10.2MB

Download
memory/2796-13-0x0000000000400000-0x0000000000E2B000-memory.dmp

Filesize
10.2MB

Download
memory/2796-6-0x0000000000400000-0x0000000000E2B000-memory.dmp

Filesize
10.2MB

Download
memory/2796-14-0x0000000000400000-0x0000000000E2B000-memory.dmp

Filesize
10.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads