d800dc33517eb4452ea18e1628b8b2b527bfff18691ca19b9e50e6739449f70b

Analysis

max time kernel
119s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/08/2024, 21:47

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General

Target

11deb717bf794970ac402c93856279c0N.exe
Size

74KB
MD5

11deb717bf794970ac402c93856279c0
SHA1

9e14432329af56cb918689c9a1aacd5f7ad2e3e0
SHA256

d800dc33517eb4452ea18e1628b8b2b527bfff18691ca19b9e50e6739449f70b
SHA512

cfbed9b628c3c9498e32172ddc504cf969dc5030cf01792ae48523383f195e562f94ce19551a980dacb3b424451c8ab71860fdcb09ec6d7d31d102285025b52e
SSDEEP

1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN/qhAvPHG3GvUhCHi1X5GoOvmHOH:xAo1lOwvlNlXBvsI7hrhEh9cpDN/qhAt

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3504	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3504	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-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	11deb717bf794970ac402c93856279c0N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	11deb717bf794970ac402c93856279c0N.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	11deb717bf794970ac402c93856279c0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 3504	4920	11deb717bf794970ac402c93856279c0N.exe	83
PID 4920 wrote to memory of 3504	4920	11deb717bf794970ac402c93856279c0N.exe	83
PID 4920 wrote to memory of 3504	4920	11deb717bf794970ac402c93856279c0N.exe	83

C:\Users\Admin\AppData\Local\Temp\11deb717bf794970ac402c93856279c0N.exe
"C:\Users\Admin\AppData\Local\Temp\11deb717bf794970ac402c93856279c0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4920
- 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:3504

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
74KB

MD5
999ae74a0595fec1709a10653e6ad62a

SHA1
5f20954abfd9125c22e6c8f1cf242886e01f78ec

SHA256
4c05f656a086a81645889271fc1598ea30e4d5f6cd572d1cf206d66a4e73a6e1

SHA512
e34976354d015a6107125d5f18a9bb10edb046fdc99565d31db7fbfe4b0fa7c7a679682815104cf8695e5bb88a4b820b05945dd5644cc9b520a74f660e092cc4

Download Submit
memory/3504-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4920-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4920-4-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads