d853a414f6b3c3ba88f5f49cc618c8d924569f7f90d1f7a724d9723919c868a5

Analysis

max time kernel
119s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-10-2024 02:16

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General

Target

d853a414f6b3c3ba88f5f49cc618c8d924569f7f90d1f7a724d9723919c868a5N.exe
Size

77KB
MD5

b4b5b2a3a9f4f1e4e4e0632736be76c0
SHA1

a3816925f60fa6ea021423fb6083b1a3b052ab03
SHA256

d853a414f6b3c3ba88f5f49cc618c8d924569f7f90d1f7a724d9723919c868a5
SHA512

fcbc0dc57f7a210c1015ca0b09ed70e45471a453fd3b11f4f0f8b358cc8f72290a87daf3531defa0a7c916c6b5953d5a575ec142900774b08b284c49840695d5
SSDEEP

1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN/qhAvP3OInvnHvvxIfhqhcGoI/n:xAo1lOwvlNlXBvsI7hrhEh9cpDN/qhAn

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1180	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1180	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"	d853a414f6b3c3ba88f5f49cc618c8d924569f7f90d1f7a724d9723919c868a5N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	d853a414f6b3c3ba88f5f49cc618c8d924569f7f90d1f7a724d9723919c868a5N.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	d853a414f6b3c3ba88f5f49cc618c8d924569f7f90d1f7a724d9723919c868a5N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 1180	2616	d853a414f6b3c3ba88f5f49cc618c8d924569f7f90d1f7a724d9723919c868a5N.exe	83
PID 2616 wrote to memory of 1180	2616	d853a414f6b3c3ba88f5f49cc618c8d924569f7f90d1f7a724d9723919c868a5N.exe	83
PID 2616 wrote to memory of 1180	2616	d853a414f6b3c3ba88f5f49cc618c8d924569f7f90d1f7a724d9723919c868a5N.exe	83

C:\Users\Admin\AppData\Local\Temp\d853a414f6b3c3ba88f5f49cc618c8d924569f7f90d1f7a724d9723919c868a5N.exe
"C:\Users\Admin\AppData\Local\Temp\d853a414f6b3c3ba88f5f49cc618c8d924569f7f90d1f7a724d9723919c868a5N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2616
- 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:1180

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
77KB

MD5
36e8aa882e874c92d06a48e9633a76af

SHA1
4e30386e4bf0dc71a4f117e1d7540f5d2e0488d3

SHA256
473e9a64a650de3e4f44ac004274102a25335e5f99edca64158428267905b718

SHA512
324f2d6372d23a5f0db8d23c7f95baf62a548acfd657303d91e6bc8030be41a2ed3d9517643812c42170d2e0cac38dd00ac36ade2b7e6d3374b3cbd69556556b

Download Submit
memory/1180-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2616-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2616-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads