036b88b2d752c7f1e280f374b86eb9e51d16398931d6473d8e7c13c59ac658f9

Analysis

max time kernel
148s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
11-01-2024 03:17

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General

Target

5262ffab7aead76e03397d04e94360e6.exe
Size

240KB
MD5

5262ffab7aead76e03397d04e94360e6
SHA1

7c14a86a0cc5a263007421bbe10a81f883efcdc7
SHA256

036b88b2d752c7f1e280f374b86eb9e51d16398931d6473d8e7c13c59ac658f9
SHA512

51e8b74dfc62aec7fe90a4a65cdd6b2c8552811e73475a3af55eba8d8af88d76684c8a5907e4a2bb0674e9e08af28e445fbe21fdd00eb26da2d693078883862a
SSDEEP

3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/e8JDpjBFy11Ag:o68i3odBiTl2+TCU//phuO1thzvhuhF

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-1-5-21-3803511929-1339359695-2191195476-1000\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"	5262ffab7aead76e03397d04e94360e6.exe

Drops file in Windows directory 12 IoCs

description	ioc	Process
File created	C:\Windows\winhash_up.exe	5262ffab7aead76e03397d04e94360e6.exe
File created	C:\Windows\SHARE_TEMP\Icon6.ico	5262ffab7aead76e03397d04e94360e6.exe
File created	C:\Windows\bugMAKER.bat	5262ffab7aead76e03397d04e94360e6.exe
File created	C:\Windows\winhash_up.exez	5262ffab7aead76e03397d04e94360e6.exe
File opened for modification	C:\Windows\winhash_up.exez	5262ffab7aead76e03397d04e94360e6.exe
File created	C:\Windows\SHARE_TEMP\Icon2.ico	5262ffab7aead76e03397d04e94360e6.exe
File created	C:\Windows\SHARE_TEMP\Icon3.ico	5262ffab7aead76e03397d04e94360e6.exe
File created	C:\Windows\SHARE_TEMP\Icon5.ico	5262ffab7aead76e03397d04e94360e6.exe
File created	C:\Windows\SHARE_TEMP\Icon7.ico	5262ffab7aead76e03397d04e94360e6.exe
File created	C:\Windows\SHARE_TEMP\Icon10.ico	5262ffab7aead76e03397d04e94360e6.exe
File created	C:\Windows\SHARE_TEMP\Icon12.ico	5262ffab7aead76e03397d04e94360e6.exe
File created	C:\Windows\SHARE_TEMP\Icon14.ico	5262ffab7aead76e03397d04e94360e6.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
3876	cmd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3880 wrote to memory of 3876	3880	5262ffab7aead76e03397d04e94360e6.exe	20
PID 3880 wrote to memory of 3876	3880	5262ffab7aead76e03397d04e94360e6.exe	20
PID 3880 wrote to memory of 3876	3880	5262ffab7aead76e03397d04e94360e6.exe	20

C:\Users\Admin\AppData\Local\Temp\5262ffab7aead76e03397d04e94360e6.exe
"C:\Users\Admin\AppData\Local\Temp\5262ffab7aead76e03397d04e94360e6.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3880
- 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:3876

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
144c4c1c47373ccdcd89a19aec82c1ed

SHA1
89039470af61fd1c8e300b3f18f0292117b3560a

SHA256
fd11df6a332b3959fe745f9df5aca3e8b40c69d17f13a3f1fa8090d061830f26

SHA512
6772e2900189f2bca404dd66a0e9ecd0c4f6552356e6716cddb6ddd6f44f147415ea6d2155954553c21fe9f544fc8dd79becfd062f20d1fca11ef6b651766809

Download Submit
memory/3880-24-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads