f35a731df65d32feabe4f69dae9f68a88df18d2e180db31cda4cc6b6f81d3eba

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 12:15

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General

Target
18371369208c0719ea47c33d7b358aac.exe
Size 218KB
Sample231230-pe6llshca5
SHA256 f35a731df65d32feabe4f69dae9f68a88df18d2e180db31cda4cc6b6f81d3eba
MD5 18371369208c0719ea47c33d7b358aac
SHA1 93bf7c13e07c6905ba9834122b9cb2854b6e370d
SHA512 078680ec8f04f2e453059886a261a4cc58e5cec966efe69e30e59b9e3fed7b4df6fd55eaea721411cb4f6e00b3cc7efe2978f50ce3d4787b2d0e235ffa58f3a9
SSDEEP 3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/B89etkaZgxktZ:o68i3odBiTl2+TCU/EetkqxrqLck+
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	cmd.exe

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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft I Service = "C:\\Windows\\winhash_up.exe /REGstart"	18371369208c0719ea47c33d7b358aac.exe

Drops file in Windows directory 12 IoCs

description	ioc	Process
File created	C:\Windows\SHARE_TEMP\Icon2.ico	18371369208c0719ea47c33d7b358aac.exe
File created	C:\Windows\SHARE_TEMP\Icon3.ico	18371369208c0719ea47c33d7b358aac.exe
File created	C:\Windows\SHARE_TEMP\Icon14.ico	18371369208c0719ea47c33d7b358aac.exe
File created	C:\Windows\SHARE_TEMP\Icon12.ico	18371369208c0719ea47c33d7b358aac.exe
File created	C:\Windows\winhash_up.exez	18371369208c0719ea47c33d7b358aac.exe
File opened for modification	C:\Windows\winhash_up.exez	18371369208c0719ea47c33d7b358aac.exe
File created	C:\Windows\winhash_up.exe	18371369208c0719ea47c33d7b358aac.exe
File created	C:\Windows\SHARE_TEMP\Icon5.ico	18371369208c0719ea47c33d7b358aac.exe
File created	C:\Windows\SHARE_TEMP\Icon6.ico	18371369208c0719ea47c33d7b358aac.exe
File created	C:\Windows\SHARE_TEMP\Icon7.ico	18371369208c0719ea47c33d7b358aac.exe
File created	C:\Windows\SHARE_TEMP\Icon10.ico	18371369208c0719ea47c33d7b358aac.exe
File created	C:\Windows\bugMAKER.bat	18371369208c0719ea47c33d7b358aac.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4244	cmd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4492 wrote to memory of 4244	4492	18371369208c0719ea47c33d7b358aac.exe	18
PID 4492 wrote to memory of 4244	4492	18371369208c0719ea47c33d7b358aac.exe	18
PID 4492 wrote to memory of 4244	4492	18371369208c0719ea47c33d7b358aac.exe	18

C:\Users\Admin\AppData\Local\Temp\18371369208c0719ea47c33d7b358aac.exe
"C:\Users\Admin\AppData\Local\Temp\18371369208c0719ea47c33d7b358aac.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4492
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\bugMAKER.bat
  2⤵
  - Checks computer location settings
  - Suspicious use of SetWindowsHookEx
  PID:4244

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

bugMAKER.bat

Path C:\Windows\bugMAKER.bat
Size 76B
SHA256 bff862ec4fceb17926bef3b1693f63000c5c597afc3fd79569b5102715ac359d
MD5 3a817baf14b19b2d5fd1b20c57e214cf
SHA1 4f64f0593753ac01d9f93aa5aad57fcf38f9b7ae
SHA512 bfb2d418e08fb3f0c7f83e11bf37c67882604454e3ade683f619fd7c017786fe867990c24f7c8cfd5dcbacace56a1ccd12cc1f598e83e434b0de208573a1e93f
MD5 SHA1 SHA512

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memory/4492-24-0x0000000000400000-0x000000000042D000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads