remcos | 1a73070f4f7da75fe1c3c39f76d00f341838db6ab067d9f58326eb4b19472eb7

General

Target

2024-09-16_57316f96e7d381a43d9f7ad8b568d23b_icedid_rhadamanthys.exe
Size

4.1MB
MD5

57316f96e7d381a43d9f7ad8b568d23b
SHA1

43cb6042d42c3b2338a3c5c5c3c5c2f77dcfb4e0
SHA256

1a73070f4f7da75fe1c3c39f76d00f341838db6ab067d9f58326eb4b19472eb7
SHA512

01e3c30b3ea6c47abd66d730950566b2138d26bf7854330069142d4f5e5ab981fa49ea3e091f5be7a95e21b6bdd37e7204a219f0388548ce3643ea4afdd1ce36
SSDEEP

98304:oh1llLKuYuZzplXVPYltT+8LBOuhVmr9v:ohPYuYaplXVP4t5VY9v

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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ProjectAdj = "C:\\Users\\Admin\\Pictures\\AdjProjectment\\ProjectAdj.exe"	2024-09-16_57316f96e7d381a43d9f7ad8b568d23b_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	2024-09-16_57316f96e7d381a43d9f7ad8b568d23b_icedid_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-16_57316f96e7d381a43d9f7ad8b568d23b_icedid_rhadamanthys.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
660	2024-09-16_57316f96e7d381a43d9f7ad8b568d23b_icedid_rhadamanthys.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5024 wrote to memory of 660	5024	2024-09-16_57316f96e7d381a43d9f7ad8b568d23b_icedid_rhadamanthys.exe	89
PID 5024 wrote to memory of 660	5024	2024-09-16_57316f96e7d381a43d9f7ad8b568d23b_icedid_rhadamanthys.exe	89
PID 5024 wrote to memory of 660	5024	2024-09-16_57316f96e7d381a43d9f7ad8b568d23b_icedid_rhadamanthys.exe	89
PID 5024 wrote to memory of 660	5024	2024-09-16_57316f96e7d381a43d9f7ad8b568d23b_icedid_rhadamanthys.exe	89
PID 5024 wrote to memory of 660	5024	2024-09-16_57316f96e7d381a43d9f7ad8b568d23b_icedid_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2024-09-16_57316f96e7d381a43d9f7ad8b568d23b_icedid_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-16_57316f96e7d381a43d9f7ad8b568d23b_icedid_rhadamanthys.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5024
- C:\Users\Admin\AppData\Local\Temp\2024-09-16_57316f96e7d381a43d9f7ad8b568d23b_icedid_rhadamanthys.exe
  "C:\Users\Admin\AppData\Local\Temp\2024-09-16_57316f96e7d381a43d9f7ad8b568d23b_icedid_rhadamanthys.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:660

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
8f826b337934e6844bbb55f4232386f2

SHA1
452920ab13b311775dd0cbb7bdd4e73056ebbe33

SHA256
012c2efa4ea71df0ea3383acd45169beb7ad1450bf98163993f9294bb935bbe5

SHA512
1280324d35494a2aa040b57c88edbc7cfb81d3da0c8b2ede2f7c5eb0ed93e15adf5eb35f32b77bd35b69919c8c02c32d0ee50a35ea8b149129e64cecf757625f

Download Submit
memory/660-35-0x0000000001150000-0x00000000011D2000-memory.dmp

Filesize
520KB

Download
memory/660-49-0x0000000001150000-0x00000000011D2000-memory.dmp

Filesize
520KB

Download
memory/660-15-0x0000000001150000-0x00000000011D2000-memory.dmp

Filesize
520KB

Download
memory/660-54-0x0000000001150000-0x00000000011D2000-memory.dmp

Filesize
520KB

Download
memory/660-16-0x0000000000400000-0x000000000114F000-memory.dmp

Filesize
13.3MB

Download
memory/660-47-0x0000000001150000-0x00000000011D2000-memory.dmp

Filesize
520KB

Download
memory/660-42-0x0000000001150000-0x00000000011D2000-memory.dmp

Filesize
520KB

Download
memory/660-9-0x0000000001150000-0x00000000011D2000-memory.dmp

Filesize
520KB

Download
memory/660-10-0x0000000001150000-0x00000000011D2000-memory.dmp

Filesize
520KB

Download
memory/660-14-0x0000000001150000-0x00000000011D2000-memory.dmp

Filesize
520KB

Download
memory/660-11-0x0000000001150000-0x00000000011D2000-memory.dmp

Filesize
520KB

Download
memory/660-5-0x0000000001150000-0x00000000011D2000-memory.dmp

Filesize
520KB

Download
memory/660-55-0x0000000001150000-0x00000000011D2000-memory.dmp

Filesize
520KB

Download
memory/660-41-0x0000000001150000-0x00000000011D2000-memory.dmp

Filesize
520KB

Download
memory/660-28-0x0000000001150000-0x00000000011D2000-memory.dmp

Filesize
520KB

Download
memory/660-22-0x0000000001150000-0x00000000011D2000-memory.dmp

Filesize
520KB

Download
memory/660-23-0x0000000001150000-0x00000000011D2000-memory.dmp

Filesize
520KB

Download
memory/660-36-0x0000000001150000-0x00000000011D2000-memory.dmp

Filesize
520KB

Download
memory/660-29-0x0000000001150000-0x00000000011D2000-memory.dmp

Filesize
520KB

Download
memory/5024-17-0x0000000000591000-0x00000000005AA000-memory.dmp

Filesize
100KB

Download
memory/5024-1-0x0000000000591000-0x00000000005AA000-memory.dmp

Filesize
100KB

Download
memory/5024-2-0x0000000000400000-0x000000000114F000-memory.dmp

Filesize
13.3MB

Download
memory/5024-0-0x0000000000400000-0x000000000114F000-memory.dmp

Filesize
13.3MB

Download
memory/5024-6-0x0000000000400000-0x000000000114F000-memory.dmp

Filesize
13.3MB

Download
memory/5024-7-0x0000000000400000-0x000000000114F000-memory.dmp

Filesize
13.3MB

Download
memory/5024-8-0x0000000000400000-0x000000000114F000-memory.dmp

Filesize
13.3MB

Download
memory/5024-4-0x0000000000400000-0x000000000114F000-memory.dmp

Filesize
13.3MB

Download
memory/5024-3-0x0000000000400000-0x000000000114F000-memory.dmp

Filesize
13.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads