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-1-5-21-3434294380-2554721341-1919518612-1000\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
484	2024-09-16_57316f96e7d381a43d9f7ad8b568d23b_icedid_rhadamanthys.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1644 wrote to memory of 484	1644	2024-09-16_57316f96e7d381a43d9f7ad8b568d23b_icedid_rhadamanthys.exe	31
PID 1644 wrote to memory of 484	1644	2024-09-16_57316f96e7d381a43d9f7ad8b568d23b_icedid_rhadamanthys.exe	31
PID 1644 wrote to memory of 484	1644	2024-09-16_57316f96e7d381a43d9f7ad8b568d23b_icedid_rhadamanthys.exe	31
PID 1644 wrote to memory of 484	1644	2024-09-16_57316f96e7d381a43d9f7ad8b568d23b_icedid_rhadamanthys.exe	31
PID 1644 wrote to memory of 484	1644	2024-09-16_57316f96e7d381a43d9f7ad8b568d23b_icedid_rhadamanthys.exe	31
PID 1644 wrote to memory of 484	1644	2024-09-16_57316f96e7d381a43d9f7ad8b568d23b_icedid_rhadamanthys.exe	31

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:1644
- 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:484

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
e195fdb0dabf6c6b28f33b7a9d224751

SHA1
38e3514fba5f96374ec5c6eb2da88a20b48150c6

SHA256
58686aff31ddfaef0c17eb53ed082eaf8f4ffc11a0df3bcf7fc0fabd37078db4

SHA512
81c62d75e3086c419a1ac74a0d9f11553e60566dc6bc9385bfaa05ff6f522f4ff16ecdd0496c452e39ec204a87111e1e79320be76ff9f620b8beb6e861e5b182

Download Submit
memory/484-10-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/484-42-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/484-22-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/484-21-0x0000000000400000-0x000000000114F000-memory.dmp

Filesize
13.3MB

Download
memory/484-61-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/484-17-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/484-16-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/484-60-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/484-55-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/484-54-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/484-48-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/484-28-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/484-6-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/484-47-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/484-41-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/484-20-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/484-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/484-29-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/484-35-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/484-34-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1644-0-0x0000000000400000-0x000000000114F000-memory.dmp

Filesize
13.3MB

Download
memory/1644-5-0x0000000000400000-0x000000000114F000-memory.dmp

Filesize
13.3MB

Download
memory/1644-14-0x0000000000400000-0x000000000114F000-memory.dmp

Filesize
13.3MB

Download
memory/1644-1-0x0000000000591000-0x00000000005AA000-memory.dmp

Filesize
100KB

Download
memory/1644-11-0x0000000000400000-0x000000000114F000-memory.dmp

Filesize
13.3MB

Download
memory/1644-13-0x0000000000400000-0x000000000114F000-memory.dmp

Filesize
13.3MB

Download
memory/1644-3-0x0000000000400000-0x000000000114F000-memory.dmp

Filesize
13.3MB

Download
memory/1644-4-0x0000000000400000-0x000000000114F000-memory.dmp

Filesize
13.3MB

Download
memory/1644-24-0x0000000000591000-0x00000000005AA000-memory.dmp

Filesize
100KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads