897bf1396b34007e341002e489c7b4d27a9f4dd451c0f4fc240ba85cd8076ea0

Analysis

max time kernel
149s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28/05/2024, 23:34

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General

Target

897bf1396b34007e341002e489c7b4d27a9f4dd451c0f4fc240ba85cd8076ea0.exe
Size

85KB
MD5

44483bf0387ef4af37512d6eaf2faf21
SHA1

50aba4a828de7b560de535d0e3ab6516cff57893
SHA256

897bf1396b34007e341002e489c7b4d27a9f4dd451c0f4fc240ba85cd8076ea0
SHA512

a88448b2d930243d22ab08e8220aafdfcc3c5a5d236711d70fd2bad1ce6392139dc64ee12867db27f35c193b9e129c2fd0233cc81aedfa70f76fca5fb3e78e7e
SSDEEP

1536:vAowfbJFgjQ284U+w2EwRz/IUqX514n2222n2n2LiW6HuOEtAvt6vEHEqFEtiF9l:vAowVFgjQiUkEwt/XqX514n2222n2n2W

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2416	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2416	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-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	897bf1396b34007e341002e489c7b4d27a9f4dd451c0f4fc240ba85cd8076ea0.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	897bf1396b34007e341002e489c7b4d27a9f4dd451c0f4fc240ba85cd8076ea0.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1400 wrote to memory of 2416	1400	897bf1396b34007e341002e489c7b4d27a9f4dd451c0f4fc240ba85cd8076ea0.exe	28
PID 1400 wrote to memory of 2416	1400	897bf1396b34007e341002e489c7b4d27a9f4dd451c0f4fc240ba85cd8076ea0.exe	28
PID 1400 wrote to memory of 2416	1400	897bf1396b34007e341002e489c7b4d27a9f4dd451c0f4fc240ba85cd8076ea0.exe	28
PID 1400 wrote to memory of 2416	1400	897bf1396b34007e341002e489c7b4d27a9f4dd451c0f4fc240ba85cd8076ea0.exe	28

C:\Users\Admin\AppData\Local\Temp\897bf1396b34007e341002e489c7b4d27a9f4dd451c0f4fc240ba85cd8076ea0.exe
"C:\Users\Admin\AppData\Local\Temp\897bf1396b34007e341002e489c7b4d27a9f4dd451c0f4fc240ba85cd8076ea0.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1400
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2416

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
85KB

MD5
290975de0e02e64770c3479a34b1e708

SHA1
8711f33d28da17d53ca28b676dc4ca6d5ab9077f

SHA256
f1cc69499d1fb72ce8f4a01e297c772405f08070ccace7308103bc44ff016a7e

SHA512
99ff41e001dd27a2a39b24860da42ef85c82350f1a975403680e8221c403391d24ffe9568ad63c7d1c8f893aa8267af9f99c16c427eac91a52225edf85b96d2e

Download Submit
memory/1400-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1400-6-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2416-8-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2416-10-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads