75a2c239627a38963cd0ad4c0a26e89e5eb4fe1eb374c589200fb3f808e1b37c

Analysis

max time kernel
149s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 02:15

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General

Target

75a2c239627a38963cd0ad4c0a26e89e5eb4fe1eb374c589200fb3f808e1b37c.exe
Size

33KB
MD5

0dc292019116873470af8eb0fcb5f000
SHA1

bc47ce3c051a93c174340319a409ab02ce2fb35c
SHA256

75a2c239627a38963cd0ad4c0a26e89e5eb4fe1eb374c589200fb3f808e1b37c
SHA512

9b0370b2e14bc67be77b7102cabebbb521fc8446ef5c8f8fcded3985625312896d8fceb2f076fdea2251105134085dbcf1d31410f55f1315c0f066caf12deefe
SSDEEP

768:/qPJtHA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNho:/qnA6C1VqaqhtgVRNToV7TtRu8rM0wYI

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

Processes:

microsofthelp.exe

pid process

1592 microsofthelp.exe
Executes dropped EXE 1 IoCs

Processes:

microsofthelp.exe

pid process

1592 microsofthelp.exe

pid	process
1592	microsofthelp.exe

pid	process
1592	microsofthelp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

75a2c239627a38963cd0ad4c0a26e89e5eb4fe1eb374c589200fb3f808e1b37c.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	75a2c239627a38963cd0ad4c0a26e89e5eb4fe1eb374c589200fb3f808e1b37c.exe

Drops file in Windows directory 1 IoCs

Processes:

75a2c239627a38963cd0ad4c0a26e89e5eb4fe1eb374c589200fb3f808e1b37c.exe

description ioc process

File created C:\Windows\microsofthelp.exe 75a2c239627a38963cd0ad4c0a26e89e5eb4fe1eb374c589200fb3f808e1b37c.exe

description	ioc	process
File created	C:\Windows\microsofthelp.exe	75a2c239627a38963cd0ad4c0a26e89e5eb4fe1eb374c589200fb3f808e1b37c.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

75a2c239627a38963cd0ad4c0a26e89e5eb4fe1eb374c589200fb3f808e1b37c.exe

description	pid	process	target process
PID 3592 wrote to memory of 1592	3592	75a2c239627a38963cd0ad4c0a26e89e5eb4fe1eb374c589200fb3f808e1b37c.exe	microsofthelp.exe
PID 3592 wrote to memory of 1592	3592	75a2c239627a38963cd0ad4c0a26e89e5eb4fe1eb374c589200fb3f808e1b37c.exe	microsofthelp.exe
PID 3592 wrote to memory of 1592	3592	75a2c239627a38963cd0ad4c0a26e89e5eb4fe1eb374c589200fb3f808e1b37c.exe	microsofthelp.exe

C:\Users\Admin\AppData\Local\Temp\75a2c239627a38963cd0ad4c0a26e89e5eb4fe1eb374c589200fb3f808e1b37c.exe
"C:\Users\Admin\AppData\Local\Temp\75a2c239627a38963cd0ad4c0a26e89e5eb4fe1eb374c589200fb3f808e1b37c.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3592

C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
2⤵
- Deletes itself
- Executes dropped EXE
PID:1592

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Windows\microsofthelp.exe
Filesize
34KB

MD5
fc2ed3e32c5a1ccaf688575dee5a97b2

SHA1
333e9d56fee24429201ad4af401546377a42b2e0

SHA256
382cdd2112e5537fd5033d5a912373273aeaeba3da214eb539fbfed7a24154bb

SHA512
3b4d2b0e979b5b88129716e7aa3ab5bb1d54f1aef019eaffd165cf833a23a7ad4121e3cd2ee3ad8006e64e66a8df64d8c7f8799640a1ff9bf40c36ccdd345314

Download Submit
memory/1592-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3592-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download