remcos | 43662e68046f7ba9f58863a4f68170c4752e8da64e76324fb25fbabb193bb361

General

Target

43662e68046f7ba9f58863a4f68170c4752e8da64e76324fb25fbabb193bb361.exe
Size

2.0MB
MD5

4d6339eab1f1654594348e436412cd75
SHA1

4682536719f04dd68304c4561507a8b3222eebd5
SHA256

43662e68046f7ba9f58863a4f68170c4752e8da64e76324fb25fbabb193bb361
SHA512

40a72f25c730a50c00480ef54bbc10508bb5d7e2f23537e50ab0993d12e88d2d2ac6657cc434d6f9eca668a94ff6822da14172f547ecc87b550f9c8d1c359131
SSDEEP

49152:G8yeqzXA3KknaWR78tSrBz4UCRWw4zVsvXB5HhMRAovIv2SSOS2inrf3/3u4MrzJ:o5HhMRAovPO9inrXeI3sl+

Score

10^/10

remcos zutopia discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

ZUTOPIA

C2

ardilla00239.ydns.eu:1831

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
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
sdfjdsjfndsvnd
mouse_option
false
mutex
nnnfdfjdsgfgfs-JXPHK5
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Remcos family
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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\CorelPDF = "C:\\Users\\Admin\\Videos\\CorelPDF\\Bin\\CorelPDF.exe"	43662e68046f7ba9f58863a4f68170c4752e8da64e76324fb25fbabb193bb361.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	43662e68046f7ba9f58863a4f68170c4752e8da64e76324fb25fbabb193bb361.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	43662e68046f7ba9f58863a4f68170c4752e8da64e76324fb25fbabb193bb361.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2388	43662e68046f7ba9f58863a4f68170c4752e8da64e76324fb25fbabb193bb361.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1884 wrote to memory of 2388	1884	43662e68046f7ba9f58863a4f68170c4752e8da64e76324fb25fbabb193bb361.exe	28
PID 1884 wrote to memory of 2388	1884	43662e68046f7ba9f58863a4f68170c4752e8da64e76324fb25fbabb193bb361.exe	28
PID 1884 wrote to memory of 2388	1884	43662e68046f7ba9f58863a4f68170c4752e8da64e76324fb25fbabb193bb361.exe	28
PID 1884 wrote to memory of 2388	1884	43662e68046f7ba9f58863a4f68170c4752e8da64e76324fb25fbabb193bb361.exe	28
PID 1884 wrote to memory of 2388	1884	43662e68046f7ba9f58863a4f68170c4752e8da64e76324fb25fbabb193bb361.exe	28
PID 1884 wrote to memory of 2388	1884	43662e68046f7ba9f58863a4f68170c4752e8da64e76324fb25fbabb193bb361.exe	28

C:\Users\Admin\AppData\Local\Temp\43662e68046f7ba9f58863a4f68170c4752e8da64e76324fb25fbabb193bb361.exe
"C:\Users\Admin\AppData\Local\Temp\43662e68046f7ba9f58863a4f68170c4752e8da64e76324fb25fbabb193bb361.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1884
- C:\Users\Admin\AppData\Local\Temp\43662e68046f7ba9f58863a4f68170c4752e8da64e76324fb25fbabb193bb361.exe
  "C:\Users\Admin\AppData\Local\Temp\43662e68046f7ba9f58863a4f68170c4752e8da64e76324fb25fbabb193bb361.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2388

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\sdfjdsjfndsvnd\logs.dat

Filesize
184B

MD5
8a473d61926b31bb11f5d97571f3da23

SHA1
e6bc21d31c6ef38c785cbef3933c99d0db498e5e

SHA256
85151d7cf2fffb6499194fb25b14bd4af0aabebf03765fb69d36081a2c250908

SHA512
e305224fb9a4d17170834a1953c9b8a506d5a9b11f9790d1df049bab43bb96d46a20403c5b281d0519164857b0b5382c43ae0292a2bbf4e2100117066e56bfa4

Download Submit
memory/1884-13-0x0000000000400000-0x0000000000611000-memory.dmp

Filesize
2.1MB

Download
memory/1884-0-0x0000000000400000-0x0000000000611000-memory.dmp

Filesize
2.1MB

Download
memory/1884-3-0x0000000000400000-0x0000000000611000-memory.dmp

Filesize
2.1MB

Download
memory/1884-7-0x0000000000400000-0x0000000000611000-memory.dmp

Filesize
2.1MB

Download
memory/1884-6-0x0000000000400000-0x0000000000611000-memory.dmp

Filesize
2.1MB

Download
memory/1884-4-0x0000000000400000-0x0000000000611000-memory.dmp

Filesize
2.1MB

Download
memory/1884-14-0x0000000000400000-0x0000000000611000-memory.dmp

Filesize
2.1MB

Download
memory/1884-1-0x000000000040B000-0x0000000000424000-memory.dmp

Filesize
100KB

Download
memory/2388-21-0x0000000000400000-0x0000000000611000-memory.dmp

Filesize
2.1MB

Download
memory/2388-17-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2388-20-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2388-12-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2388-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2388-8-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2388-16-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads