805427e8a77b8d47275b0b7642c3020f5360fe54eabd91acb0bfd7a43fe25e97

Analysis

max time kernel
120s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29/09/2024, 11:39

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General

Target

805427e8a77b8d47275b0b7642c3020f5360fe54eabd91acb0bfd7a43fe25e97N.exe
Size

76KB
MD5

b23289be2ac2fa11e52bb507939e6130
SHA1

5e2351e78f3e59010779f6ffe927b83b037d782d
SHA256

805427e8a77b8d47275b0b7642c3020f5360fe54eabd91acb0bfd7a43fe25e97
SHA512

0815c12763044987124d036ac0ff4dd0c040cb8ea734f7edf143c69c8b9ac3de47a2504bafe4494a9c159909a6cd5154df343a66ffe4ccde8737ebb394e2fe26
SSDEEP

1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN/qhAvP3OChhW4dI0h4HCIzhUvTh:xAo1lOwvlNlXBvsI7hrhEh9cpDN/qhAz

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1636	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1636	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-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	805427e8a77b8d47275b0b7642c3020f5360fe54eabd91acb0bfd7a43fe25e97N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	805427e8a77b8d47275b0b7642c3020f5360fe54eabd91acb0bfd7a43fe25e97N.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.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	805427e8a77b8d47275b0b7642c3020f5360fe54eabd91acb0bfd7a43fe25e97N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3596 wrote to memory of 1636	3596	805427e8a77b8d47275b0b7642c3020f5360fe54eabd91acb0bfd7a43fe25e97N.exe	82
PID 3596 wrote to memory of 1636	3596	805427e8a77b8d47275b0b7642c3020f5360fe54eabd91acb0bfd7a43fe25e97N.exe	82
PID 3596 wrote to memory of 1636	3596	805427e8a77b8d47275b0b7642c3020f5360fe54eabd91acb0bfd7a43fe25e97N.exe	82

C:\Users\Admin\AppData\Local\Temp\805427e8a77b8d47275b0b7642c3020f5360fe54eabd91acb0bfd7a43fe25e97N.exe
"C:\Users\Admin\AppData\Local\Temp\805427e8a77b8d47275b0b7642c3020f5360fe54eabd91acb0bfd7a43fe25e97N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3596
- 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:1636

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
76KB

MD5
0d3787a54f532f933c3d8326bafb1996

SHA1
43da20ad5fc9ecdfb5be6437d4715f277411d4be

SHA256
68b54e79fcb8b4a29949bfd461b09d9f1d1855f1f70fa0dd6eca751c76156549

SHA512
07dd68021836121a48aef3bb8f4ff1985700206c709997555f67e443f8c024ff2caea3eeb4b141fcb1e99a399b3d672c062e2cd1858ea5605c537aa182e5eafe

Download Submit
memory/1636-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3596-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3596-4-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads