4d541a186328dd6fe97762475bdb59b6bb8b3f90aea4efa2ff6bffe6a58b0766

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 10:47

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

8614d2b3b704e88c337430ebad2bdcf1.exe
Size

164KB
MD5

8614d2b3b704e88c337430ebad2bdcf1
SHA1

22c262d80d67e36b19b87ae92e9d5181628d2692
SHA256

4d541a186328dd6fe97762475bdb59b6bb8b3f90aea4efa2ff6bffe6a58b0766
SHA512

a5f883dcb820ddd7654403870c1bafe4136c9f9d361c3c8ddc99752da3efb0d2992014e1ed399c696e62c02fe2ed8c8d510cf3e86dc024b5020db8955edb914a
SSDEEP

3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/e8x:o68i3odBiTl2+TCU/v

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-1-5-21-1232405761-1209240240-3206092754-1000\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"	8614d2b3b704e88c337430ebad2bdcf1.exe

Drops file in Windows directory 12 IoCs

description	ioc	Process
File created	C:\Windows\bugMAKER.bat	8614d2b3b704e88c337430ebad2bdcf1.exe
File created	C:\Windows\winhash_up.exez	8614d2b3b704e88c337430ebad2bdcf1.exe
File opened for modification	C:\Windows\winhash_up.exez	8614d2b3b704e88c337430ebad2bdcf1.exe
File created	C:\Windows\winhash_up.exe	8614d2b3b704e88c337430ebad2bdcf1.exe
File created	C:\Windows\SHARE_TEMP\Icon6.ico	8614d2b3b704e88c337430ebad2bdcf1.exe
File created	C:\Windows\SHARE_TEMP\Icon7.ico	8614d2b3b704e88c337430ebad2bdcf1.exe
File created	C:\Windows\SHARE_TEMP\Icon10.ico	8614d2b3b704e88c337430ebad2bdcf1.exe
File created	C:\Windows\SHARE_TEMP\Icon2.ico	8614d2b3b704e88c337430ebad2bdcf1.exe
File created	C:\Windows\SHARE_TEMP\Icon3.ico	8614d2b3b704e88c337430ebad2bdcf1.exe
File created	C:\Windows\SHARE_TEMP\Icon5.ico	8614d2b3b704e88c337430ebad2bdcf1.exe
File created	C:\Windows\SHARE_TEMP\Icon12.ico	8614d2b3b704e88c337430ebad2bdcf1.exe
File created	C:\Windows\SHARE_TEMP\Icon14.ico	8614d2b3b704e88c337430ebad2bdcf1.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
4928	cmd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1872 wrote to memory of 4928	1872	8614d2b3b704e88c337430ebad2bdcf1.exe	89
PID 1872 wrote to memory of 4928	1872	8614d2b3b704e88c337430ebad2bdcf1.exe	89
PID 1872 wrote to memory of 4928	1872	8614d2b3b704e88c337430ebad2bdcf1.exe	89

C:\Users\Admin\AppData\Local\Temp\8614d2b3b704e88c337430ebad2bdcf1.exe
"C:\Users\Admin\AppData\Local\Temp\8614d2b3b704e88c337430ebad2bdcf1.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1872
- 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:4928

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\bugMAKER.bat

Filesize
76B

MD5
6d56db8efc8576a0f4e96bd04f313273

SHA1
58ed210cd8b2527630272cc23e5819b04c0c32bd

SHA256
f462b531af2b20ca9fc56bf018c064ce0effdfebca7010c12395842178553c07

SHA512
560f0c9d2b88359f4c7f5b99cef31bbf7948ba3976ed06c50700bb1fd01b363ac47e186a0ccfff219bad6d0acc6a7c3d0ca712928e52a14a0451d2677c56c8b2

Download Submit
memory/1872-24-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads