c130bf2b4912c8dc255d5322a02aa273a61992eb1ea51e43bbc0c04215eb6ee7

Analysis

max time kernel
119s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2024, 21:05

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General

Target

c130bf2b4912c8dc255d5322a02aa273a61992eb1ea51e43bbc0c04215eb6ee7N.exe
Size

67KB
MD5

8a8c5bd2902e61d1f00d3e52dbccd9b0
SHA1

ea8ab2e6c67a4c41635c98d21b0f535f626a2462
SHA256

c130bf2b4912c8dc255d5322a02aa273a61992eb1ea51e43bbc0c04215eb6ee7
SHA512

99d2d4044df316a7c77ad70eeaae9a54afd0fc0861a988581117f046a2d8c5db49ac3b7b589cfc5ecfc050334cb755bde7e477a19396fb6bd804c0d75994c5e3
SSDEEP

1536:lAo0ej2d6rnJwwvlKlIUBP6vghzwYu7vih9GueIh9j2IoHAjUvJjWH0HNh3hOh6Q:lAo1lOwvlKlXBP6vghzwYu7vih9GueIp

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3860	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3860	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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	c130bf2b4912c8dc255d5322a02aa273a61992eb1ea51e43bbc0c04215eb6ee7N.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	c130bf2b4912c8dc255d5322a02aa273a61992eb1ea51e43bbc0c04215eb6ee7N.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	c130bf2b4912c8dc255d5322a02aa273a61992eb1ea51e43bbc0c04215eb6ee7N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1488 wrote to memory of 3860	1488	c130bf2b4912c8dc255d5322a02aa273a61992eb1ea51e43bbc0c04215eb6ee7N.exe	83
PID 1488 wrote to memory of 3860	1488	c130bf2b4912c8dc255d5322a02aa273a61992eb1ea51e43bbc0c04215eb6ee7N.exe	83
PID 1488 wrote to memory of 3860	1488	c130bf2b4912c8dc255d5322a02aa273a61992eb1ea51e43bbc0c04215eb6ee7N.exe	83

C:\Users\Admin\AppData\Local\Temp\c130bf2b4912c8dc255d5322a02aa273a61992eb1ea51e43bbc0c04215eb6ee7N.exe
"C:\Users\Admin\AppData\Local\Temp\c130bf2b4912c8dc255d5322a02aa273a61992eb1ea51e43bbc0c04215eb6ee7N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1488
- 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:3860

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
67KB

MD5
225f31393507a4e060d91456b5d75d42

SHA1
5d1cc4dc87dfe2607015bb68f0045f4ad6a23ecb

SHA256
84c2af4423f5b7966378ab5f3d93aed3ccc231629a4e1972a9716e96a2cf9cd1

SHA512
5ffb443ba781a490269b729f25494f84c8c1924353e6d7927e0201e60772f5973c3001a41a611e0635b4cf48dbffda8f70db0e6c945f131ea05549662d702efc

Download Submit
memory/1488-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1488-3-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3860-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads