3faddbbae6cd5f7709d765b07c158b18d067124c099c325ab567adde14f8c33e

Analysis

max time kernel
136s
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 13:27

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General

Target

32d76f4b52af21b2bd990d5ce322bba0.exe
Size

168KB
MD5

32d76f4b52af21b2bd990d5ce322bba0
SHA1

0ffdeb45c94af2709ddd48c0e40723c2883c4407
SHA256

3faddbbae6cd5f7709d765b07c158b18d067124c099c325ab567adde14f8c33e
SHA512

33b844ec100375bd3c1fface1266d2955a86096db17c42505fe0a609cd5eb0644a299d3f0f120e184732589c98c65ab5bd1943dbc351925305869d23237f1cb2
SSDEEP

3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/k8h:o68i3odBiTl2+TCU/B

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-1-5-21-1815711207-1844170477-3539718864-1000\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"	32d76f4b52af21b2bd990d5ce322bba0.exe

Drops file in Windows directory 12 IoCs

description	ioc	Process
File created	C:\Windows\SHARE_TEMP\Icon2.ico	32d76f4b52af21b2bd990d5ce322bba0.exe
File created	C:\Windows\SHARE_TEMP\Icon3.ico	32d76f4b52af21b2bd990d5ce322bba0.exe
File created	C:\Windows\SHARE_TEMP\Icon14.ico	32d76f4b52af21b2bd990d5ce322bba0.exe
File created	C:\Windows\bugMAKER.bat	32d76f4b52af21b2bd990d5ce322bba0.exe
File created	C:\Windows\winhash_up.exez	32d76f4b52af21b2bd990d5ce322bba0.exe
File opened for modification	C:\Windows\winhash_up.exez	32d76f4b52af21b2bd990d5ce322bba0.exe
File created	C:\Windows\winhash_up.exe	32d76f4b52af21b2bd990d5ce322bba0.exe
File created	C:\Windows\SHARE_TEMP\Icon5.ico	32d76f4b52af21b2bd990d5ce322bba0.exe
File created	C:\Windows\SHARE_TEMP\Icon6.ico	32d76f4b52af21b2bd990d5ce322bba0.exe
File created	C:\Windows\SHARE_TEMP\Icon7.ico	32d76f4b52af21b2bd990d5ce322bba0.exe
File created	C:\Windows\SHARE_TEMP\Icon10.ico	32d76f4b52af21b2bd990d5ce322bba0.exe
File created	C:\Windows\SHARE_TEMP\Icon12.ico	32d76f4b52af21b2bd990d5ce322bba0.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
4612	cmd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3812 wrote to memory of 4612	3812	32d76f4b52af21b2bd990d5ce322bba0.exe	89
PID 3812 wrote to memory of 4612	3812	32d76f4b52af21b2bd990d5ce322bba0.exe	89
PID 3812 wrote to memory of 4612	3812	32d76f4b52af21b2bd990d5ce322bba0.exe	89

C:\Users\Admin\AppData\Local\Temp\32d76f4b52af21b2bd990d5ce322bba0.exe
"C:\Users\Admin\AppData\Local\Temp\32d76f4b52af21b2bd990d5ce322bba0.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3812
- 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:4612

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
1daecfa71bc0228dd9afdcce9ef4df1c

SHA1
ca2d7c55e77a18a2a2fee7e5364cebfc96e02c06

SHA256
7dc2af1205c685126f5d90d1a945787ffed7e498e94f9004a4c60941f089be75

SHA512
42da0e5251984e8fad0ec7cf80eb3c334378356e1be46b2457392698d17bfee524e14c44f42b75008038b1739c12ea5b6a357f9ae0b9f60e54e9076a98d1b9b4

Download Submit
memory/3812-24-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

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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