d4d43d221626db3343cbd2a78a6be9cf19659bd7c0269d660a9636419963b6ec

Analysis

max time kernel
159s
max time network
171s
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, 03:30

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

5b39b99d88d737d2f841234eecb36de2.exe
Size

207KB
MD5

5b39b99d88d737d2f841234eecb36de2
SHA1

f40cbdaacc5f6e54d893fbd049c70bdd0d1115d8
SHA256

d4d43d221626db3343cbd2a78a6be9cf19659bd7c0269d660a9636419963b6ec
SHA512

79a4cca205db7f5b83e028951d0c7dbdf5688fa6cea7fcad4d2adc50fe96f70144e5b677df8aabefc2ed1ac237de350bf79fbe8f812851c8f760b7058f8efdfc
SSDEEP

3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/e8rGpjBFy11ot:o68i3odBiTl2+TCU/RsHk8F

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"	5b39b99d88d737d2f841234eecb36de2.exe

Drops file in Windows directory 12 IoCs

description	ioc	Process
File created	C:\Windows\SHARE_TEMP\Icon2.ico	5b39b99d88d737d2f841234eecb36de2.exe
File created	C:\Windows\SHARE_TEMP\Icon3.ico	5b39b99d88d737d2f841234eecb36de2.exe
File created	C:\Windows\SHARE_TEMP\Icon5.ico	5b39b99d88d737d2f841234eecb36de2.exe
File created	C:\Windows\SHARE_TEMP\Icon6.ico	5b39b99d88d737d2f841234eecb36de2.exe
File created	C:\Windows\SHARE_TEMP\Icon7.ico	5b39b99d88d737d2f841234eecb36de2.exe
File created	C:\Windows\SHARE_TEMP\Icon10.ico	5b39b99d88d737d2f841234eecb36de2.exe
File created	C:\Windows\SHARE_TEMP\Icon12.ico	5b39b99d88d737d2f841234eecb36de2.exe
File created	C:\Windows\winhash_up.exe	5b39b99d88d737d2f841234eecb36de2.exe
File created	C:\Windows\SHARE_TEMP\Icon14.ico	5b39b99d88d737d2f841234eecb36de2.exe
File opened for modification	C:\Windows\winhash_up.exez	5b39b99d88d737d2f841234eecb36de2.exe
File created	C:\Windows\bugMAKER.bat	5b39b99d88d737d2f841234eecb36de2.exe
File created	C:\Windows\winhash_up.exez	5b39b99d88d737d2f841234eecb36de2.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
380	cmd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4932 wrote to memory of 380	4932	5b39b99d88d737d2f841234eecb36de2.exe	39
PID 4932 wrote to memory of 380	4932	5b39b99d88d737d2f841234eecb36de2.exe	39
PID 4932 wrote to memory of 380	4932	5b39b99d88d737d2f841234eecb36de2.exe	39

C:\Users\Admin\AppData\Local\Temp\5b39b99d88d737d2f841234eecb36de2.exe
"C:\Users\Admin\AppData\Local\Temp\5b39b99d88d737d2f841234eecb36de2.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4932
- 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:380

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
44d3985106ca5cf50f52a91bf24624dd

SHA1
9ac0f394d929e227b41504bd63189c4e3be8c336

SHA256
5cf9b947e98d92107d8661acb39e1d99171542da98a065725e83ea352c0cddad

SHA512
6fde96a1de9aa7fde5577fa844bfc0b6178d332600d949a0307a36d7e1c8805c40df96b628ac11a13c4f371d0a25e41955fa1c36a98c3ff13bc89a9884cede50

Download Submit
memory/4932-24-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads