f73b6d69b935d78df9342d8caece5de31c699185f6ebdaeb96cfd1587d5459cb

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13/03/2024, 02:37

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General

Target

f73b6d69b935d78df9342d8caece5de31c699185f6ebdaeb96cfd1587d5459cb.exe
Size

90KB
MD5

1f460447096d5644ade37144af0d7bd4
SHA1

3d5a17bd8cae0e36f6838a4d35d469b8a93d1803
SHA256

f73b6d69b935d78df9342d8caece5de31c699185f6ebdaeb96cfd1587d5459cb
SHA512

cf33a1fd3d070b136ff0c188cf500518b984ea7182a2b04d472dd13f32ea187fc5d5febab7be96f0921cb85b65e3133d9ba2324bfe2687f99d8f9b94c3d48df6
SSDEEP

1536:vAowfbJFgjQ284U+w2EwRzSIUqhwDKopH0jIInjjnjjnjnjnjnjj3Q1aaCCCNapF:vAowVFgjQiUkEwtSXqhwDKopH0jIInjs

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3580	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3580	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-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	f73b6d69b935d78df9342d8caece5de31c699185f6ebdaeb96cfd1587d5459cb.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	f73b6d69b935d78df9342d8caece5de31c699185f6ebdaeb96cfd1587d5459cb.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3844 wrote to memory of 3580	3844	f73b6d69b935d78df9342d8caece5de31c699185f6ebdaeb96cfd1587d5459cb.exe	89
PID 3844 wrote to memory of 3580	3844	f73b6d69b935d78df9342d8caece5de31c699185f6ebdaeb96cfd1587d5459cb.exe	89
PID 3844 wrote to memory of 3580	3844	f73b6d69b935d78df9342d8caece5de31c699185f6ebdaeb96cfd1587d5459cb.exe	89

C:\Users\Admin\AppData\Local\Temp\f73b6d69b935d78df9342d8caece5de31c699185f6ebdaeb96cfd1587d5459cb.exe
"C:\Users\Admin\AppData\Local\Temp\f73b6d69b935d78df9342d8caece5de31c699185f6ebdaeb96cfd1587d5459cb.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3844
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:3580

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

Replay Monitor

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Downloads

C:\Windows\microsofthelp.exe

Filesize
90KB

MD5
995916fccfc85dda30dd0f81a2d7efee

SHA1
022da96654eaff1f7a785761806d5cdb7ad126de

SHA256
fa3d0ef07bb6d5f808656cc041fe355ff6e3907a3084a8cf61ee3495612b39c2

SHA512
f8a1336295822ea20925896aee1791edc42045bf42ed368c67c16137f5d169ad55248851ae925bd313552fe33625283ce7ede22c3742fef655ff2b394151989e

Download Submit
memory/3580-6-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3844-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3844-4-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads