d1c541fef70c43fb1654437bcb946c981ef1c02f27817783396876431ec03cf0

Analysis

max time kernel
149s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
28/05/2024, 03:21

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General

Target

d1c541fef70c43fb1654437bcb946c981ef1c02f27817783396876431ec03cf0.exe
Size

34KB
MD5

4f32dab7b1860b99082b1d683a72995d
SHA1

e3c17e49fd629a3b16d700442e1c63e4c2c305e6
SHA256

d1c541fef70c43fb1654437bcb946c981ef1c02f27817783396876431ec03cf0
SHA512

ab7c3a899026d65dc95cc180a9b9e3e0ce75bf558fed0467dab63b4fbf6363931f4db9a99712997cf20babca3eae0e1df36b7d5b7b6bd2dc6c05b386d3e233f9
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhI:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYo

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
892	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
892	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-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	d1c541fef70c43fb1654437bcb946c981ef1c02f27817783396876431ec03cf0.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	d1c541fef70c43fb1654437bcb946c981ef1c02f27817783396876431ec03cf0.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 892	3044	d1c541fef70c43fb1654437bcb946c981ef1c02f27817783396876431ec03cf0.exe	92
PID 3044 wrote to memory of 892	3044	d1c541fef70c43fb1654437bcb946c981ef1c02f27817783396876431ec03cf0.exe	92
PID 3044 wrote to memory of 892	3044	d1c541fef70c43fb1654437bcb946c981ef1c02f27817783396876431ec03cf0.exe	92

C:\Users\Admin\AppData\Local\Temp\d1c541fef70c43fb1654437bcb946c981ef1c02f27817783396876431ec03cf0.exe
"C:\Users\Admin\AppData\Local\Temp\d1c541fef70c43fb1654437bcb946c981ef1c02f27817783396876431ec03cf0.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:892

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4196,i,11266875042087428226,16669718873272757238,262144 --variations-seed-version --mojo-platform-channel-handle=4092 /prefetch:8
1⤵
PID:2020

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
34KB

MD5
d0c75fabedaac4a1db381c1233784c24

SHA1
f283edeaee7b729a73255863fd73a25a5c649735

SHA256
4d8263c2cf4e8f7e5f59b08c38c23c4d7ee813bc249d73588eeaf7d0b8513e42

SHA512
a8cfecdec84d26a056bac041674dd0822e8e0f6ed8b294499ff4cb416262b028dcb9580a76dcb23da1b4aa54f7720320dd8d02d9dad1faa61d4ce5d6dc4a19fb

Download Submit
memory/892-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3044-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3044-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads