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-1-5-21-523280732-2327480845-3730041215-1000\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
4356	2024-09-07_ad3af3c8c0a96d734fbca1de49d00687_icedid_rhadamanthys.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4640 wrote to memory of 4356	4640	2024-09-07_ad3af3c8c0a96d734fbca1de49d00687_icedid_rhadamanthys.exe	93
PID 4640 wrote to memory of 4356	4640	2024-09-07_ad3af3c8c0a96d734fbca1de49d00687_icedid_rhadamanthys.exe	93
PID 4640 wrote to memory of 4356	4640	2024-09-07_ad3af3c8c0a96d734fbca1de49d00687_icedid_rhadamanthys.exe	93
PID 4640 wrote to memory of 4356	4640	2024-09-07_ad3af3c8c0a96d734fbca1de49d00687_icedid_rhadamanthys.exe	93
PID 4640 wrote to memory of 4356	4640	2024-09-07_ad3af3c8c0a96d734fbca1de49d00687_icedid_rhadamanthys.exe	93

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:4640
- 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:4356

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
cd85c8006cfe48f5ea71364a21c12f20

SHA1
a4deed67c797cd78fc75053e0fe5821f73b2cf44

SHA256
4fd7afceab5f5f1a444961c901a867213fb2f40b0a1aa4d0163324d5234de725

SHA512
163ae76d9396b3eaae4a04d108d55c034262a890e2e462f09fae7bbfd90eec43cee84e67e27a054eeb481a5f6fe96cbdfc1c07dbef087496d6fdc8cb44e86e69

Download Submit
memory/4356-15-0x00000000005C0000-0x0000000000642000-memory.dmp

Filesize
520KB

Download
memory/4356-38-0x00000000005C0000-0x0000000000642000-memory.dmp

Filesize
520KB

Download
memory/4356-19-0x0000000000400000-0x00000000005B7000-memory.dmp

Filesize
1.7MB

Download
memory/4356-21-0x00000000005C0000-0x0000000000642000-memory.dmp

Filesize
520KB

Download
memory/4356-13-0x00000000005C0000-0x0000000000642000-memory.dmp

Filesize
520KB

Download
memory/4356-14-0x00000000005C0000-0x0000000000642000-memory.dmp

Filesize
520KB

Download
memory/4356-46-0x00000000005C0000-0x0000000000642000-memory.dmp

Filesize
520KB

Download
memory/4356-47-0x00000000005C0000-0x0000000000642000-memory.dmp

Filesize
520KB

Download
memory/4356-8-0x00000000005C0000-0x0000000000642000-memory.dmp

Filesize
520KB

Download
memory/4356-24-0x00000000005C0000-0x0000000000642000-memory.dmp

Filesize
520KB

Download
memory/4356-18-0x00000000005C0000-0x0000000000642000-memory.dmp

Filesize
520KB

Download
memory/4356-31-0x00000000005C0000-0x0000000000642000-memory.dmp

Filesize
520KB

Download
memory/4356-54-0x00000000005C0000-0x0000000000642000-memory.dmp

Filesize
520KB

Download
memory/4356-30-0x00000000005C0000-0x0000000000642000-memory.dmp

Filesize
520KB

Download
memory/4356-27-0x00000000005C0000-0x0000000000642000-memory.dmp

Filesize
520KB

Download
memory/4356-22-0x00000000005C0000-0x0000000000642000-memory.dmp

Filesize
520KB

Download
memory/4356-23-0x00000000005C0000-0x0000000000642000-memory.dmp

Filesize
520KB

Download
memory/4640-11-0x0000000000400000-0x00000000005B7000-memory.dmp

Filesize
1.7MB

Download
memory/4640-7-0x0000000000400000-0x00000000005B7000-memory.dmp

Filesize
1.7MB

Download
memory/4640-2-0x0000000000400000-0x00000000005B7000-memory.dmp

Filesize
1.7MB

Download
memory/4640-1-0x000000000042A000-0x0000000000443000-memory.dmp

Filesize
100KB

Download
memory/4640-0-0x0000000000400000-0x00000000005B7000-memory.dmp

Filesize
1.7MB

Download
memory/4640-6-0x0000000000400000-0x00000000005B7000-memory.dmp

Filesize
1.7MB

Download
memory/4640-4-0x0000000000400000-0x00000000005B7000-memory.dmp

Filesize
1.7MB

Download
memory/4640-12-0x0000000000400000-0x00000000005B7000-memory.dmp

Filesize
1.7MB

Download
memory/4640-20-0x000000000042A000-0x0000000000443000-memory.dmp

Filesize
100KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads