559b59fc2e9de158944ab42522b7045ce4da537eb81a95ee89c2b4a7b1b00b3e

Analysis

max time kernel
149s
max time network
107s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 23:19

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General

Target

559b59fc2e9de158944ab42522b7045ce4da537eb81a95ee89c2b4a7b1b00b3e.exe
Size

28KB
MD5

14fe5c0cf479894bdc0edcbfdaab8800
SHA1

2f45574257a37fee2275f3db563741ebf62d0015
SHA256

559b59fc2e9de158944ab42522b7045ce4da537eb81a95ee89c2b4a7b1b00b3e
SHA512

e5645215e57e40c2020478f471885a0b08b77cafc4367b5c9a497619985edab712ca3582c013706c511209536b53356b2605456c98b2fb6ab46b6bedd57c1de0
SSDEEP

768:/qPJtUA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKhJJhgcQ:/q0A6C1VqaqhtgVRNToV7TtRu8rM0wYP

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

Processes:

microsofthelp.exe

pid process

3988 microsofthelp.exe
Executes dropped EXE 1 IoCs

Processes:

microsofthelp.exe

pid process

3988 microsofthelp.exe

pid	process
3988	microsofthelp.exe

pid	process
3988	microsofthelp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

559b59fc2e9de158944ab42522b7045ce4da537eb81a95ee89c2b4a7b1b00b3e.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	559b59fc2e9de158944ab42522b7045ce4da537eb81a95ee89c2b4a7b1b00b3e.exe

Drops file in Windows directory 1 IoCs

Processes:

559b59fc2e9de158944ab42522b7045ce4da537eb81a95ee89c2b4a7b1b00b3e.exe

description ioc process

File created C:\Windows\microsofthelp.exe 559b59fc2e9de158944ab42522b7045ce4da537eb81a95ee89c2b4a7b1b00b3e.exe

description	ioc	process
File created	C:\Windows\microsofthelp.exe	559b59fc2e9de158944ab42522b7045ce4da537eb81a95ee89c2b4a7b1b00b3e.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

559b59fc2e9de158944ab42522b7045ce4da537eb81a95ee89c2b4a7b1b00b3e.exe

description	pid	process	target process
PID 2536 wrote to memory of 3988	2536	559b59fc2e9de158944ab42522b7045ce4da537eb81a95ee89c2b4a7b1b00b3e.exe	microsofthelp.exe
PID 2536 wrote to memory of 3988	2536	559b59fc2e9de158944ab42522b7045ce4da537eb81a95ee89c2b4a7b1b00b3e.exe	microsofthelp.exe
PID 2536 wrote to memory of 3988	2536	559b59fc2e9de158944ab42522b7045ce4da537eb81a95ee89c2b4a7b1b00b3e.exe	microsofthelp.exe

C:\Users\Admin\AppData\Local\Temp\559b59fc2e9de158944ab42522b7045ce4da537eb81a95ee89c2b4a7b1b00b3e.exe
"C:\Users\Admin\AppData\Local\Temp\559b59fc2e9de158944ab42522b7045ce4da537eb81a95ee89c2b4a7b1b00b3e.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:3988

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
28KB

MD5
a81ec42d0f37d925393079e59d1ff60e

SHA1
0993f05b08028823ed114583f26561f621fa2485

SHA256
5d80c6267e6b0af7404134caf179034ee78a7d1025eaa8af184745b3e8ec8b39

SHA512
ebc1c265350e6a04c9808df0e98d5abfd409fe0ad096a02a8b987c9dda236dcee44032016be6486615062f374757bff51b4831e95bcc81c87eff41480b269883

Download Submit
memory/2536-1-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3988-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download