42972c1746ad27ab0ab946ce453981b4e4a1265d172b0b8b5ffeebc4c671cf39

Analysis

max time kernel
120s
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
04/10/2024, 21:31

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General

Target

42972c1746ad27ab0ab946ce453981b4e4a1265d172b0b8b5ffeebc4c671cf39N.exe
Size

66KB
MD5

5a917c3e9ceb5768b16fc209231c05d0
SHA1

8a40673525c4a8aed821e12086c1b85d1631c36b
SHA256

42972c1746ad27ab0ab946ce453981b4e4a1265d172b0b8b5ffeebc4c671cf39
SHA512

4fb7f7b13c6b3b2026db70325fd9d62bb801bd70529e4c04a39d79934c1a8942a87709d15834af56afbe7379b366e4eb93653a161f058b8de524d63d8b8c6da5
SSDEEP

1536:NAo0Tj2d6rnJwwvl4ulkP6v8tvGE9UHrSdghj8bvHRIkhbUIchUh80mhDhNIyH+e:NAoglOwvl4ulkP6v8tvGE9UHrSdghj8C

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
220	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
220	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"	42972c1746ad27ab0ab946ce453981b4e4a1265d172b0b8b5ffeebc4c671cf39N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	42972c1746ad27ab0ab946ce453981b4e4a1265d172b0b8b5ffeebc4c671cf39N.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	42972c1746ad27ab0ab946ce453981b4e4a1265d172b0b8b5ffeebc4c671cf39N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4892 wrote to memory of 220	4892	42972c1746ad27ab0ab946ce453981b4e4a1265d172b0b8b5ffeebc4c671cf39N.exe	82
PID 4892 wrote to memory of 220	4892	42972c1746ad27ab0ab946ce453981b4e4a1265d172b0b8b5ffeebc4c671cf39N.exe	82
PID 4892 wrote to memory of 220	4892	42972c1746ad27ab0ab946ce453981b4e4a1265d172b0b8b5ffeebc4c671cf39N.exe	82

C:\Users\Admin\AppData\Local\Temp\42972c1746ad27ab0ab946ce453981b4e4a1265d172b0b8b5ffeebc4c671cf39N.exe
"C:\Users\Admin\AppData\Local\Temp\42972c1746ad27ab0ab946ce453981b4e4a1265d172b0b8b5ffeebc4c671cf39N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4892
- 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:220

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
66KB

MD5
fce03a17d4d23207caa33f30691981bc

SHA1
7050bb625b069191d45efe190346cae47b63c3e5

SHA256
faf916bfd39e114ad42dc58d8e0afaec052734dc36a582e9ed08a9a405764c1b

SHA512
94aaf5f684dae6d4909573438020bd0818afd547a4b33e07e0b295fd01f4c20804b81cb00abcc2be9d09d7f194a4498c19b1c4b95fc8b8a2f6215fe0bec8aa99

Download Submit
memory/220-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4892-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4892-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads