d3255d48421cf86107e835119de906572ee3a7c6e81598f536866b98efff4040

Analysis

max time kernel
119s
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
04-10-2024 19:27

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General

Target

d3255d48421cf86107e835119de906572ee3a7c6e81598f536866b98efff4040N.exe
Size

63KB
MD5

b79bb0d05625469cb00072c9b26e6bc0
SHA1

a1afc8da692b676f40dd7782cf169c779df25132
SHA256

d3255d48421cf86107e835119de906572ee3a7c6e81598f536866b98efff4040
SHA512

4e4d0290cdbc59c5f5e978b112143f0c7cd5657066153c5deb48ae2ce0634b350d79c335d79d66110095926b2c361005b7538aae2b073f84663b1867141dffc5
SSDEEP

1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGh4f:NAoglOwvl4ulkP6vghzwYu7vih9GueIf

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1480	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1480	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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	d3255d48421cf86107e835119de906572ee3a7c6e81598f536866b98efff4040N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe
File created	C:\Windows\microsofthelp.exe	d3255d48421cf86107e835119de906572ee3a7c6e81598f536866b98efff4040N.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	d3255d48421cf86107e835119de906572ee3a7c6e81598f536866b98efff4040N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4664 wrote to memory of 1480	4664	d3255d48421cf86107e835119de906572ee3a7c6e81598f536866b98efff4040N.exe	82
PID 4664 wrote to memory of 1480	4664	d3255d48421cf86107e835119de906572ee3a7c6e81598f536866b98efff4040N.exe	82
PID 4664 wrote to memory of 1480	4664	d3255d48421cf86107e835119de906572ee3a7c6e81598f536866b98efff4040N.exe	82

C:\Users\Admin\AppData\Local\Temp\d3255d48421cf86107e835119de906572ee3a7c6e81598f536866b98efff4040N.exe
"C:\Users\Admin\AppData\Local\Temp\d3255d48421cf86107e835119de906572ee3a7c6e81598f536866b98efff4040N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4664
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:1480

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
64KB

MD5
3d735edaa4524062b17bc01d29db3670

SHA1
b65536d89467fa05484e1364c0bb4520b979ac1e

SHA256
3e751d907c2e0bc320304fa243f7c33000c1114f66b4082cea1316ef84b1741e

SHA512
be9c39472aceff27561239baf24122977a1d4033c7a426f73c258095ff9cef64dccdbfb7d6349a6023168a3c2036abc60ba82597f2a18278c0e1d545794307d0

Download Submit
memory/1480-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4664-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4664-4-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads