9923cf7c7fc104986568053ce6baae4ae009cb63616788b81577042adbc01c63

Analysis

max time kernel
120s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 19:18

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General

Target

9923cf7c7fc104986568053ce6baae4ae009cb63616788b81577042adbc01c63N.exe
Size

78KB
MD5

4c379a0735ad63ac03deafe974ec7570
SHA1

11b985f94766da3a3aa31fd8f9dc85e92b656e71
SHA256

9923cf7c7fc104986568053ce6baae4ae009cb63616788b81577042adbc01c63
SHA512

96cb2534cc6327edac411b10abfdd000ae7f03e05e6edbf6289625755b30901e957e40b960ad8929d77751060cb242ebbdfc9c9c7c63f30842e5e4e4cdc19c68
SSDEEP

1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN/qhAvPHG3GvUhCHi1X5GoOvmHO6:xAo1lOwvlNlXBvsI7hrhEh9cpDN/qhAM

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2648	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2648	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-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	9923cf7c7fc104986568053ce6baae4ae009cb63616788b81577042adbc01c63N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	9923cf7c7fc104986568053ce6baae4ae009cb63616788b81577042adbc01c63N.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	9923cf7c7fc104986568053ce6baae4ae009cb63616788b81577042adbc01c63N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2796 wrote to memory of 2648	2796	9923cf7c7fc104986568053ce6baae4ae009cb63616788b81577042adbc01c63N.exe	82
PID 2796 wrote to memory of 2648	2796	9923cf7c7fc104986568053ce6baae4ae009cb63616788b81577042adbc01c63N.exe	82
PID 2796 wrote to memory of 2648	2796	9923cf7c7fc104986568053ce6baae4ae009cb63616788b81577042adbc01c63N.exe	82

C:\Users\Admin\AppData\Local\Temp\9923cf7c7fc104986568053ce6baae4ae009cb63616788b81577042adbc01c63N.exe
"C:\Users\Admin\AppData\Local\Temp\9923cf7c7fc104986568053ce6baae4ae009cb63616788b81577042adbc01c63N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2796
- 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:2648

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
78KB

MD5
5d7edf7faca012776def9b4921cda564

SHA1
4890d4e86292b421f79dddcdaf48c74de585ae9b

SHA256
b36fe2f2989684df12d921f57596c09e236af0b1bbe5aeeec721439cdbdc4488

SHA512
a999a29a0b02a98da6d6d08d31306ec5389f96d0c90842ef760a96c92d412dbaaccb1189dc48d3a9ff58b3cc5d63086b1f771c03c432417084d7442b7a97005e

Download Submit
memory/2648-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2796-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2796-4-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads