a22a7661f978f991baf922a1ac2dbd5cb842ffeddc684ab5e10fb29a479e621e

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
29/09/2024, 01:19

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General

Target

a22a7661f978f991baf922a1ac2dbd5cb842ffeddc684ab5e10fb29a479e621e.exe
Size

79KB
MD5

c91b163d2a8abdff1a35bc2a6f031129
SHA1

8ac5f5b46ffb71f477a8963f3e70b7166b8a8274
SHA256

a22a7661f978f991baf922a1ac2dbd5cb842ffeddc684ab5e10fb29a479e621e
SHA512

9f1a43ff6b366bb9448a7113943a9222d4b56636dd1440459b0996abec48b25b08ef848a71b2c6f75cb5dc259d1bda16fbb179f83460851efa0cc587b884621f
SSDEEP

1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN/qhAvP3OInvnHvvxIfhqhcGoI/E:xAo1lOwvlNlXBvsI7hrhEh9cpDN/qhAE

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3552	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3552	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-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	a22a7661f978f991baf922a1ac2dbd5cb842ffeddc684ab5e10fb29a479e621e.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	a22a7661f978f991baf922a1ac2dbd5cb842ffeddc684ab5e10fb29a479e621e.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	a22a7661f978f991baf922a1ac2dbd5cb842ffeddc684ab5e10fb29a479e621e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 3552	2300	a22a7661f978f991baf922a1ac2dbd5cb842ffeddc684ab5e10fb29a479e621e.exe	84
PID 2300 wrote to memory of 3552	2300	a22a7661f978f991baf922a1ac2dbd5cb842ffeddc684ab5e10fb29a479e621e.exe	84
PID 2300 wrote to memory of 3552	2300	a22a7661f978f991baf922a1ac2dbd5cb842ffeddc684ab5e10fb29a479e621e.exe	84

C:\Users\Admin\AppData\Local\Temp\a22a7661f978f991baf922a1ac2dbd5cb842ffeddc684ab5e10fb29a479e621e.exe
"C:\Users\Admin\AppData\Local\Temp\a22a7661f978f991baf922a1ac2dbd5cb842ffeddc684ab5e10fb29a479e621e.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2300
- 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:3552

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
80KB

MD5
0fffc2e2b3db68f9dce1ca47f42ba01b

SHA1
e8e08f478f620b9361ba003eb4eaf7b82f2bb7ea

SHA256
f5f192c253ddb72905e3142db779b6dcb40300d03a8fb66785e04067e9522648

SHA512
0fab8700162e5b338f62a92a20c64c7046e0adbd6a8f0dd3d18f35f335dcb05cf7f12c2cf0955ce20c6ed8df5bfbf8dabbca664ce0fccc8006cb890876e35341

Download Submit
memory/2300-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2300-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3552-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads