253fefa231383193d8ca4bcf8d766c90076d85fc59cd20018f3424c5ee37ee8c

Analysis

max time kernel
149s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-10-2024 19:28

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General

Target

253fefa231383193d8ca4bcf8d766c90076d85fc59cd20018f3424c5ee37ee8c.exe
Size

47KB
MD5

b547ab602ce92485476c7f3142cf03ac
SHA1

34757cfb8c5334b05778ba2ae101791cb6c39a35
SHA256

253fefa231383193d8ca4bcf8d766c90076d85fc59cd20018f3424c5ee37ee8c
SHA512

9ae2dffa1d562b61dc0c1951036fd1906d47b7a16eb8245f6fb3d20a1d90dc9717f3e5124f22de8b7a323a9ed100d1b3258aa62a52c289da4e40efb245a06bfe
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhq:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYK

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2976	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2976	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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	253fefa231383193d8ca4bcf8d766c90076d85fc59cd20018f3424c5ee37ee8c.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	253fefa231383193d8ca4bcf8d766c90076d85fc59cd20018f3424c5ee37ee8c.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	253fefa231383193d8ca4bcf8d766c90076d85fc59cd20018f3424c5ee37ee8c.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 2976	1984	253fefa231383193d8ca4bcf8d766c90076d85fc59cd20018f3424c5ee37ee8c.exe	30
PID 1984 wrote to memory of 2976	1984	253fefa231383193d8ca4bcf8d766c90076d85fc59cd20018f3424c5ee37ee8c.exe	30
PID 1984 wrote to memory of 2976	1984	253fefa231383193d8ca4bcf8d766c90076d85fc59cd20018f3424c5ee37ee8c.exe	30
PID 1984 wrote to memory of 2976	1984	253fefa231383193d8ca4bcf8d766c90076d85fc59cd20018f3424c5ee37ee8c.exe	30

C:\Users\Admin\AppData\Local\Temp\253fefa231383193d8ca4bcf8d766c90076d85fc59cd20018f3424c5ee37ee8c.exe
"C:\Users\Admin\AppData\Local\Temp\253fefa231383193d8ca4bcf8d766c90076d85fc59cd20018f3424c5ee37ee8c.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2976

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\microsofthelp.exe

Filesize
47KB

MD5
3883644e568775f0c41ee709b3af8f76

SHA1
6799e544ed6fab246d119e479501c7294e99e471

SHA256
6b345947689f264ca726b668cc5b44e33e876d83ca844d9763bf34ab5ec29c21

SHA512
c61c7b4b4e835900e72d34fcb8729606848564e4e44f0da10ac67ba0f3d69297214f6ad81d6ec48c898eba07573dc30dd57e28891769045d51b15bd1632417fb

Download Submit
memory/1984-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1984-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2976-8-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2976-10-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads