8a69b67e8b8a981a35eec7a6165f968b9a48ff5f0ea2d9c7a2ad8d69c1807f69

Analysis

max time kernel
149s
max time network
119s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
09/06/2024, 04:14

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General

Target

8a69b67e8b8a981a35eec7a6165f968b9a48ff5f0ea2d9c7a2ad8d69c1807f69.exe
Size

34KB
MD5

fd767463478745f789f6195c82359c0a
SHA1

2764e736946ea17a453b015c5c086e21cf550566
SHA256

8a69b67e8b8a981a35eec7a6165f968b9a48ff5f0ea2d9c7a2ad8d69c1807f69
SHA512

12a1dd3fab74aa429c2a359e68c5bd2dd0d46f5acce6d753ab1c7d58600c69c9b91b698fed94bd4ec64ed75368b9c0f48a16f6bb0df03b34afc8a164993e40a2
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhQ:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYw

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1620	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1620	microsofthelp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	8a69b67e8b8a981a35eec7a6165f968b9a48ff5f0ea2d9c7a2ad8d69c1807f69.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	8a69b67e8b8a981a35eec7a6165f968b9a48ff5f0ea2d9c7a2ad8d69c1807f69.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 1620	2360	8a69b67e8b8a981a35eec7a6165f968b9a48ff5f0ea2d9c7a2ad8d69c1807f69.exe	28
PID 2360 wrote to memory of 1620	2360	8a69b67e8b8a981a35eec7a6165f968b9a48ff5f0ea2d9c7a2ad8d69c1807f69.exe	28
PID 2360 wrote to memory of 1620	2360	8a69b67e8b8a981a35eec7a6165f968b9a48ff5f0ea2d9c7a2ad8d69c1807f69.exe	28
PID 2360 wrote to memory of 1620	2360	8a69b67e8b8a981a35eec7a6165f968b9a48ff5f0ea2d9c7a2ad8d69c1807f69.exe	28

C:\Users\Admin\AppData\Local\Temp\8a69b67e8b8a981a35eec7a6165f968b9a48ff5f0ea2d9c7a2ad8d69c1807f69.exe
"C:\Users\Admin\AppData\Local\Temp\8a69b67e8b8a981a35eec7a6165f968b9a48ff5f0ea2d9c7a2ad8d69c1807f69.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:1620

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\microsofthelp.exe

Filesize
35KB

MD5
5548a18a3150b7fddd7b99116c7b79bd

SHA1
06050c9566066811e1538b3e3db240ccfc8f62c2

SHA256
9a4dd5a01f331d28ca65eb15bcaa361c25c90993c5ad7ed6f6242a5dbbcd741c

SHA512
7c6101c2b139d8242c2301115077b6624e759927891a562145b5a76178219649e7339ffa5b52437b69421737327057c0ac85f2a14b59172b567670bc48fc391c

Download Submit
memory/1620-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2360-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads