9e87fd57798ebca7d99a8835cab583dac29cf0e7af8a47fc12d8e09be041e7de

Analysis

max time kernel
120s
max time network
97s
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, 18:23

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General

Target

9e87fd57798ebca7d99a8835cab583dac29cf0e7af8a47fc12d8e09be041e7deN.exe
Size

60KB
MD5

b0b037ea162162325a0ac948e18ebe70
SHA1

9c26ed13f6bf898f416da7cb09649d69831c0902
SHA256

9e87fd57798ebca7d99a8835cab583dac29cf0e7af8a47fc12d8e09be041e7de
SHA512

8a28ac0acd7bf23460e982bad13d1f72497511358e606efb28372802bbc1c6bd7b7e11506e85bf50bfffd446499488cc0b2b3600e9e5418decd4963d6f5b6045
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhID:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVh

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
752	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
752	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"	9e87fd57798ebca7d99a8835cab583dac29cf0e7af8a47fc12d8e09be041e7deN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	9e87fd57798ebca7d99a8835cab583dac29cf0e7af8a47fc12d8e09be041e7deN.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	9e87fd57798ebca7d99a8835cab583dac29cf0e7af8a47fc12d8e09be041e7deN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3760 wrote to memory of 752	3760	9e87fd57798ebca7d99a8835cab583dac29cf0e7af8a47fc12d8e09be041e7deN.exe	82
PID 3760 wrote to memory of 752	3760	9e87fd57798ebca7d99a8835cab583dac29cf0e7af8a47fc12d8e09be041e7deN.exe	82
PID 3760 wrote to memory of 752	3760	9e87fd57798ebca7d99a8835cab583dac29cf0e7af8a47fc12d8e09be041e7deN.exe	82

C:\Users\Admin\AppData\Local\Temp\9e87fd57798ebca7d99a8835cab583dac29cf0e7af8a47fc12d8e09be041e7deN.exe
"C:\Users\Admin\AppData\Local\Temp\9e87fd57798ebca7d99a8835cab583dac29cf0e7af8a47fc12d8e09be041e7deN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3760
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:752

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
60KB

MD5
904b621043cfb31aebb7bfddd0c2bf49

SHA1
9b71cea21d5a2110bf33b4da4bdb267016da476a

SHA256
05314b5fcb0616f357c665c16a9f65b1658f6aa2f9d80523f87970fc5c286520

SHA512
c7bb0c6bc91e7302c115494de6a8808de25e69ad39fbc9c2b9a483bc91138418a3628d31b86c9864687582e34b22e969109b5bd222b0e802564f6509ca46a18f

Download Submit
memory/752-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3760-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3760-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads