remcos | 5cf4a8c83f8591950c24c8b5d79c5464e4cb1b608fc61775f605d6a3503c73c3

General

Target

2024-09-07_ad3af3c8c0a96d734fbca1de49d00687_icedid_rhadamanthys.exe
Size

1.7MB
MD5

ad3af3c8c0a96d734fbca1de49d00687
SHA1

efd0ad100e6b61475385c144b828a73575b643cc
SHA256

5cf4a8c83f8591950c24c8b5d79c5464e4cb1b608fc61775f605d6a3503c73c3
SHA512

6579d2e9b151a26041e758b6bf6e8890cde7939704fe414ab3898fa2295ebbfa7f7c3ec2724847b20fba1a7589e8bc79720fadb8da1488ae42fe8a36e24ac200
SSDEEP

49152:FdiVMFJkVPL+a61av5W38EVaXcEA+3i93msJJaMF5YeEpoE6rskkc30E/hHqItG2:F4ZMHYeEy83E5Ryl

Score

10^/10

remcos remotehost discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

rcmax.duckdns.org:57870

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
Google.exe
copy_folder
Google
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
install_path
%WinDir%\System32
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc$urG9345JRjuDjdGoH-R7T8HB
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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\AgentLauncher = "C:\\Users\\Admin\\Pictures\\ClientAgent\\AgentLauncher.exe"	2024-09-07_ad3af3c8c0a96d734fbca1de49d00687_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	2024-09-07_ad3af3c8c0a96d734fbca1de49d00687_icedid_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-07_ad3af3c8c0a96d734fbca1de49d00687_icedid_rhadamanthys.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2796	2024-09-07_ad3af3c8c0a96d734fbca1de49d00687_icedid_rhadamanthys.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 2796	3048	2024-09-07_ad3af3c8c0a96d734fbca1de49d00687_icedid_rhadamanthys.exe	31
PID 3048 wrote to memory of 2796	3048	2024-09-07_ad3af3c8c0a96d734fbca1de49d00687_icedid_rhadamanthys.exe	31
PID 3048 wrote to memory of 2796	3048	2024-09-07_ad3af3c8c0a96d734fbca1de49d00687_icedid_rhadamanthys.exe	31
PID 3048 wrote to memory of 2796	3048	2024-09-07_ad3af3c8c0a96d734fbca1de49d00687_icedid_rhadamanthys.exe	31
PID 3048 wrote to memory of 2796	3048	2024-09-07_ad3af3c8c0a96d734fbca1de49d00687_icedid_rhadamanthys.exe	31
PID 3048 wrote to memory of 2796	3048	2024-09-07_ad3af3c8c0a96d734fbca1de49d00687_icedid_rhadamanthys.exe	31

C:\Users\Admin\AppData\Local\Temp\2024-09-07_ad3af3c8c0a96d734fbca1de49d00687_icedid_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-07_ad3af3c8c0a96d734fbca1de49d00687_icedid_rhadamanthys.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3048
- C:\Users\Admin\AppData\Local\Temp\2024-09-07_ad3af3c8c0a96d734fbca1de49d00687_icedid_rhadamanthys.exe
  "C:\Users\Admin\AppData\Local\Temp\2024-09-07_ad3af3c8c0a96d734fbca1de49d00687_icedid_rhadamanthys.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2796

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
c375bcb76e6b841f6e5342e52091c3ce

SHA1
bc974a3db478103db75b700f289b0d6c659fe065

SHA256
c55dc3fa5a1b12750b3b854f7c2b598c01f019106ccdec3ef5d0e99c01f63f6c

SHA512
9532ef0efa0a34a36e5d9273d8d9e1e3e5f4e8b65391033454b2376472bd080ee1671a6f6b079532fcae9755fc04bf6232074503a66f6aa47e65bf1efc0e22c3

Download Submit
memory/2796-32-0x00000000001B0000-0x0000000000232000-memory.dmp

Filesize
520KB

Download
memory/2796-31-0x00000000001B0000-0x0000000000232000-memory.dmp

Filesize
520KB

Download
memory/2796-20-0x0000000000400000-0x00000000005B7000-memory.dmp

Filesize
1.7MB

Download
memory/2796-16-0x00000000001B0000-0x0000000000232000-memory.dmp

Filesize
520KB

Download
memory/2796-55-0x00000000001B0000-0x0000000000232000-memory.dmp

Filesize
520KB

Download
memory/2796-15-0x00000000001B0000-0x0000000000232000-memory.dmp

Filesize
520KB

Download
memory/2796-48-0x00000000001B0000-0x0000000000232000-memory.dmp

Filesize
520KB

Download
memory/2796-47-0x00000000001B0000-0x0000000000232000-memory.dmp

Filesize
520KB

Download
memory/2796-10-0x00000000001B0000-0x0000000000232000-memory.dmp

Filesize
520KB

Download
memory/2796-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2796-6-0x00000000001B0000-0x0000000000232000-memory.dmp

Filesize
520KB

Download
memory/2796-19-0x00000000001B0000-0x0000000000232000-memory.dmp

Filesize
520KB

Download
memory/2796-39-0x00000000001B0000-0x0000000000232000-memory.dmp

Filesize
520KB

Download
memory/2796-56-0x00000000001B0000-0x0000000000232000-memory.dmp

Filesize
520KB

Download
memory/2796-21-0x00000000001B0000-0x0000000000232000-memory.dmp

Filesize
520KB

Download
memory/2796-23-0x00000000001B0000-0x0000000000232000-memory.dmp

Filesize
520KB

Download
memory/2796-22-0x00000000001B0000-0x0000000000232000-memory.dmp

Filesize
520KB

Download
memory/2796-24-0x00000000001B0000-0x0000000000232000-memory.dmp

Filesize
520KB

Download
memory/3048-27-0x000000000042A000-0x0000000000443000-memory.dmp

Filesize
100KB

Download
memory/3048-13-0x0000000000400000-0x00000000005B7000-memory.dmp

Filesize
1.7MB

Download
memory/3048-1-0x000000000042A000-0x0000000000443000-memory.dmp

Filesize
100KB

Download
memory/3048-0-0x0000000000400000-0x00000000005B7000-memory.dmp

Filesize
1.7MB

Download
memory/3048-5-0x0000000000400000-0x00000000005B7000-memory.dmp

Filesize
1.7MB

Download
memory/3048-11-0x0000000000400000-0x00000000005B7000-memory.dmp

Filesize
1.7MB

Download
memory/3048-12-0x0000000000400000-0x00000000005B7000-memory.dmp

Filesize
1.7MB

Download
memory/3048-3-0x0000000000400000-0x00000000005B7000-memory.dmp

Filesize
1.7MB

Download
memory/3048-4-0x0000000000400000-0x00000000005B7000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads