4ad95b71495954022a78f7afb993d08cc920b203b91c3769b9e3e00cca31bac8

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
27-02-2024 21:31

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

aa34574d2b2f3e48aa0fde2a8357c575.exe
Size

162KB
MD5

aa34574d2b2f3e48aa0fde2a8357c575
SHA1

e0c3feeb12ccc3428b2b0377941cef89261677d9
SHA256

4ad95b71495954022a78f7afb993d08cc920b203b91c3769b9e3e00cca31bac8
SHA512

71b6834e36759bd19cf269197c826e70c7bee383d110a840189f5a9db4d8b3a5203e30797829150ed07547e43d2b499f132a3362414cd0c5a769cbed7793e935
SSDEEP

3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/B8e:o68i3odBiTl2+TCU/R

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-1-5-21-399997616-3400990511-967324271-1000\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"	aa34574d2b2f3e48aa0fde2a8357c575.exe

Drops file in Windows directory 12 IoCs

description	ioc	Process
File created	C:\Windows\SHARE_TEMP\Icon10.ico	aa34574d2b2f3e48aa0fde2a8357c575.exe
File created	C:\Windows\SHARE_TEMP\Icon14.ico	aa34574d2b2f3e48aa0fde2a8357c575.exe
File created	C:\Windows\winhash_up.exez	aa34574d2b2f3e48aa0fde2a8357c575.exe
File created	C:\Windows\SHARE_TEMP\Icon2.ico	aa34574d2b2f3e48aa0fde2a8357c575.exe
File created	C:\Windows\SHARE_TEMP\Icon3.ico	aa34574d2b2f3e48aa0fde2a8357c575.exe
File created	C:\Windows\SHARE_TEMP\Icon5.ico	aa34574d2b2f3e48aa0fde2a8357c575.exe
File created	C:\Windows\SHARE_TEMP\Icon6.ico	aa34574d2b2f3e48aa0fde2a8357c575.exe
File created	C:\Windows\SHARE_TEMP\Icon7.ico	aa34574d2b2f3e48aa0fde2a8357c575.exe
File created	C:\Windows\SHARE_TEMP\Icon12.ico	aa34574d2b2f3e48aa0fde2a8357c575.exe
File created	C:\Windows\bugMAKER.bat	aa34574d2b2f3e48aa0fde2a8357c575.exe
File opened for modification	C:\Windows\winhash_up.exez	aa34574d2b2f3e48aa0fde2a8357c575.exe
File created	C:\Windows\winhash_up.exe	aa34574d2b2f3e48aa0fde2a8357c575.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
4728	cmd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3076 wrote to memory of 4728	3076	aa34574d2b2f3e48aa0fde2a8357c575.exe	86
PID 3076 wrote to memory of 4728	3076	aa34574d2b2f3e48aa0fde2a8357c575.exe	86
PID 3076 wrote to memory of 4728	3076	aa34574d2b2f3e48aa0fde2a8357c575.exe	86

C:\Users\Admin\AppData\Local\Temp\aa34574d2b2f3e48aa0fde2a8357c575.exe
"C:\Users\Admin\AppData\Local\Temp\aa34574d2b2f3e48aa0fde2a8357c575.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3076
- 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:4728

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
7a43061872866a782b04900c3387d906

SHA1
9c898288f4b8b63b8ccb9636283d09cf116d738f

SHA256
78caf7b3bf065f9c27542d22fc57409becc3788f06522a38761c9a6380658c7c

SHA512
f349932aca5e5dfd1556cc62e50e2898b57d9749d74910cbfe916798d7a4b237dcca6fc232a11041d0189732f707804634e565ca7a9b08ff863c10f6ca1a044c

Download Submit
memory/3076-24-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads