014a4b718bd99d04db7f432c2908fc50d2d2bbf5fa43e35ed50a6592b6b70408

Analysis

max time kernel
137s
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
19/12/2023, 22:05

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General

Target

b1182ef1eb59c1269b6fc17e59a3ebce.exe
Size

202KB
MD5

b1182ef1eb59c1269b6fc17e59a3ebce
SHA1

ede8eef9db2f87fca985911cf0a158c4a25cd017
SHA256

014a4b718bd99d04db7f432c2908fc50d2d2bbf5fa43e35ed50a6592b6b70408
SHA512

1fc990ecf7652284c516acad92113a4ff85c451b2eabf294649b1948aeefcbdab0746a6f16e5e5a99238d93dfc41908dcf7ddb8d901e3810fb9dc4ac47b4ad42
SSDEEP

3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/e8gpjBFy11Awq:o68i3odBiTl2+TCU/whuhul

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-1-5-21-3791175113-1062217823-1177695025-1000\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"	b1182ef1eb59c1269b6fc17e59a3ebce.exe

Drops file in Windows directory 12 IoCs

description	ioc	Process
File created	C:\Windows\SHARE_TEMP\Icon14.ico	b1182ef1eb59c1269b6fc17e59a3ebce.exe
File opened for modification	C:\Windows\winhash_up.exez	b1182ef1eb59c1269b6fc17e59a3ebce.exe
File created	C:\Windows\winhash_up.exe	b1182ef1eb59c1269b6fc17e59a3ebce.exe
File created	C:\Windows\SHARE_TEMP\Icon3.ico	b1182ef1eb59c1269b6fc17e59a3ebce.exe
File created	C:\Windows\SHARE_TEMP\Icon5.ico	b1182ef1eb59c1269b6fc17e59a3ebce.exe
File created	C:\Windows\SHARE_TEMP\Icon6.ico	b1182ef1eb59c1269b6fc17e59a3ebce.exe
File created	C:\Windows\SHARE_TEMP\Icon7.ico	b1182ef1eb59c1269b6fc17e59a3ebce.exe
File created	C:\Windows\SHARE_TEMP\Icon12.ico	b1182ef1eb59c1269b6fc17e59a3ebce.exe
File created	C:\Windows\bugMAKER.bat	b1182ef1eb59c1269b6fc17e59a3ebce.exe
File created	C:\Windows\winhash_up.exez	b1182ef1eb59c1269b6fc17e59a3ebce.exe
File created	C:\Windows\SHARE_TEMP\Icon2.ico	b1182ef1eb59c1269b6fc17e59a3ebce.exe
File created	C:\Windows\SHARE_TEMP\Icon10.ico	b1182ef1eb59c1269b6fc17e59a3ebce.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
220	cmd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4712 wrote to memory of 220	4712	b1182ef1eb59c1269b6fc17e59a3ebce.exe	89
PID 4712 wrote to memory of 220	4712	b1182ef1eb59c1269b6fc17e59a3ebce.exe	89
PID 4712 wrote to memory of 220	4712	b1182ef1eb59c1269b6fc17e59a3ebce.exe	89

C:\Users\Admin\AppData\Local\Temp\b1182ef1eb59c1269b6fc17e59a3ebce.exe
"C:\Users\Admin\AppData\Local\Temp\b1182ef1eb59c1269b6fc17e59a3ebce.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4712
- 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:220

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

C:\Windows\bugMAKER.bat

Filesize
76B

MD5
df95c0234793e5a1fb8086b9d00fcc84

SHA1
946a5e113266601ffbba415625c70ee6e6324b8d

SHA256
bba852b9a2b90ef41dc13f444847274de51022455fe8cdabe0c88fb9f46baf74

SHA512
4758059dad44b9677e65c68497fa2d1ca7622599406f7c82795f1910bf3b8523ae197da74fc02a897fee10cfea86abf402b0174ac3e6deca2aa457eccb6b3852

Download Submit
memory/4712-24-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads