8be09b1d6bbf922565e671637cf461aaaaaae89dcd18a60a17a3be238fc37a3e

Analysis

max time kernel
120s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14-09-2024 07:20

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General

Target

51f5fe18fcf46c34999ff05d0519b420N.exe
Size

46KB
MD5

51f5fe18fcf46c34999ff05d0519b420
SHA1

4e1fcece1ad127b47fb404f87e3b206bed1e2e5c
SHA256

8be09b1d6bbf922565e671637cf461aaaaaae89dcd18a60a17a3be238fc37a3e
SHA512

d7b55b2fcb1b082c320a3fc44d47a7d51b83db0a5a8880c3ce5bd7f2a9860fb95e4087544f7bd40950497d951b232f31b8b296bbc9ea9073070003d45b5a5291
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhi:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYC

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1920	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1920	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"	51f5fe18fcf46c34999ff05d0519b420N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	51f5fe18fcf46c34999ff05d0519b420N.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	51f5fe18fcf46c34999ff05d0519b420N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 1920	2688	51f5fe18fcf46c34999ff05d0519b420N.exe	85
PID 2688 wrote to memory of 1920	2688	51f5fe18fcf46c34999ff05d0519b420N.exe	85
PID 2688 wrote to memory of 1920	2688	51f5fe18fcf46c34999ff05d0519b420N.exe	85

C:\Users\Admin\AppData\Local\Temp\51f5fe18fcf46c34999ff05d0519b420N.exe
"C:\Users\Admin\AppData\Local\Temp\51f5fe18fcf46c34999ff05d0519b420N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1920

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
46KB

MD5
dc04057816a3e87460ef04e856dc1f60

SHA1
93417bb85bf6dd59740a908c7c034b9b02998dd4

SHA256
e4501c01ee6028e88d31f766f0dfda20394393b4b55968a9c49aa147ecf1f33f

SHA512
475ceb4be8f30e9399ecc7dff268ac48172709d85f0b4a2fe7d686fe6483b4d8fba87a18f410bdb12a6aa60c5d3ca7d56ca31ab5bc41750d99ad4a150a44d459

Download Submit
memory/1920-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2688-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2688-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads