remcos | 0e995312276107ab21be64e93a25616ef54832b3fc45e3478099023e3b10017c

General

Target

2024-09-15_a6285e774eddb0b80f584b73c331d77d_icedid_rhadamanthys.exe
Size

6.4MB
MD5

a6285e774eddb0b80f584b73c331d77d
SHA1

3bc57f5177fe257743310c8298c3d4159fda85e8
SHA256

0e995312276107ab21be64e93a25616ef54832b3fc45e3478099023e3b10017c
SHA512

3dbb8e779ee448ff02125b4391aa5aeaa36008f213867e897fd002d7bd5f107d09ede3062cda04f7cc6c424c26d6a22cac294da8fd591aa25f683cfd3683fb58
SSDEEP

98304:HVuW3lxvfAd2epmi4oMz+7POkUgQTwbquEbKYZIJZfn5Ytxv9e/pv:MqVfQ2EAoMzLs/uv5Sn59p

Score

10^/10

remcos tottefan discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

TOTTEFAN

C2

fabiangomezpu1405.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-PSAH55
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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\UsbAgentSoftware = "C:\\Users\\Admin\\Pictures\\USBAgent\\USBAgent.exe"	2024-09-15_a6285e774eddb0b80f584b73c331d77d_icedid_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	2024-09-15_a6285e774eddb0b80f584b73c331d77d_icedid_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-15_a6285e774eddb0b80f584b73c331d77d_icedid_rhadamanthys.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1452	2024-09-15_a6285e774eddb0b80f584b73c331d77d_icedid_rhadamanthys.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2964 wrote to memory of 1452	2964	2024-09-15_a6285e774eddb0b80f584b73c331d77d_icedid_rhadamanthys.exe	30
PID 2964 wrote to memory of 1452	2964	2024-09-15_a6285e774eddb0b80f584b73c331d77d_icedid_rhadamanthys.exe	30
PID 2964 wrote to memory of 1452	2964	2024-09-15_a6285e774eddb0b80f584b73c331d77d_icedid_rhadamanthys.exe	30
PID 2964 wrote to memory of 1452	2964	2024-09-15_a6285e774eddb0b80f584b73c331d77d_icedid_rhadamanthys.exe	30
PID 2964 wrote to memory of 1452	2964	2024-09-15_a6285e774eddb0b80f584b73c331d77d_icedid_rhadamanthys.exe	30
PID 2964 wrote to memory of 1452	2964	2024-09-15_a6285e774eddb0b80f584b73c331d77d_icedid_rhadamanthys.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-09-15_a6285e774eddb0b80f584b73c331d77d_icedid_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-15_a6285e774eddb0b80f584b73c331d77d_icedid_rhadamanthys.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2964
- C:\Users\Admin\AppData\Local\Temp\2024-09-15_a6285e774eddb0b80f584b73c331d77d_icedid_rhadamanthys.exe
  "C:\Users\Admin\AppData\Local\Temp\2024-09-15_a6285e774eddb0b80f584b73c331d77d_icedid_rhadamanthys.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1452

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
dc340a1e11aebd0e1a3d5ff0b3bd908b

SHA1
1a618201023b76de5a3b2fd775bc096a9425e597

SHA256
f005417b862d5ecc3ae2ce7c329dc1a64f90578bc27b6ab9f006e39ba12d8636

SHA512
3a1f494b9f94a9078caabb3cdcfe26b81ee6ba77d246fd21cb04bfc455c5cbda1fa14daf76ca409eaa75f45959163e090f318b28cf9fe7a3ab06bf13c6993bf0

Download Submit
memory/1452-40-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1452-54-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1452-7-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1452-59-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1452-52-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1452-20-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1452-17-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1452-21-0x0000000000400000-0x0000000000AC0000-memory.dmp

Filesize
6.8MB

Download
memory/1452-16-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1452-47-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1452-11-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1452-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1452-60-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1452-46-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1452-33-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1452-27-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1452-28-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1452-41-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1452-22-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1452-34-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2964-1-0x0000000000516000-0x000000000052F000-memory.dmp

Filesize
100KB

Download
memory/2964-0-0x0000000000400000-0x0000000000AC0000-memory.dmp

Filesize
6.8MB

Download
memory/2964-3-0x0000000000400000-0x0000000000AC0000-memory.dmp

Filesize
6.8MB

Download
memory/2964-13-0x0000000000400000-0x0000000000AC0000-memory.dmp

Filesize
6.8MB

Download
memory/2964-12-0x0000000000400000-0x0000000000AC0000-memory.dmp

Filesize
6.8MB

Download
memory/2964-14-0x0000000000400000-0x0000000000AC0000-memory.dmp

Filesize
6.8MB

Download
memory/2964-5-0x0000000000400000-0x0000000000AC0000-memory.dmp

Filesize
6.8MB

Download
memory/2964-6-0x0000000000400000-0x0000000000AC0000-memory.dmp

Filesize
6.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads