f4e23c32337d70e15394fb445204483499352ffc3e9224cea1df2594a73f9a80

Analysis

max time kernel
120s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-08-2024 04:51

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General

Target

52dc018166d645a5f5474eea67ea7790N.exe
Size

42KB
MD5

52dc018166d645a5f5474eea67ea7790
SHA1

c38301104704e7ba523b332f6057cb9a3abdf253
SHA256

f4e23c32337d70e15394fb445204483499352ffc3e9224cea1df2594a73f9a80
SHA512

caf54f1bf777959ba072e6df6d4983a6c5a4f98487835f87bb96e6c3c3ba18f03f678a3e8cc0d064b5cd4385897675f6875ccf68dc11291f6aa181d83e55f8bd
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhe:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wY+

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4452	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4452	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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	52dc018166d645a5f5474eea67ea7790N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	52dc018166d645a5f5474eea67ea7790N.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	microsofthelp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	52dc018166d645a5f5474eea67ea7790N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4932 wrote to memory of 4452	4932	52dc018166d645a5f5474eea67ea7790N.exe	84
PID 4932 wrote to memory of 4452	4932	52dc018166d645a5f5474eea67ea7790N.exe	84
PID 4932 wrote to memory of 4452	4932	52dc018166d645a5f5474eea67ea7790N.exe	84

C:\Users\Admin\AppData\Local\Temp\52dc018166d645a5f5474eea67ea7790N.exe
"C:\Users\Admin\AppData\Local\Temp\52dc018166d645a5f5474eea67ea7790N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4932
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4452

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
42KB

MD5
89f871d2a9beb3634423d5f3c84274c3

SHA1
14d6460806f3d9868155de392d343b70bb91a37c

SHA256
5e1066865f27e6f4d006f41266c84dac427bd8d1406a836ad233cd596c203f47

SHA512
6382f5c48cdf60b7d19ca732f6193b097382bc890a8f720174f1f9e8d812a8c178c3c22afdfd2e4370593af2950d6bd37e2994022181758dfc53fc485b36312e

Download Submit
memory/4452-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4932-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4932-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads