c0cd9a7f2987c7eca65906f7f210c53f88055822a95f7833333d3c8a3c3c43fa

Analysis

max time kernel
1333s
max time network
1159s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241023-uk
resource tags

arch:x64arch:x86image:win10ltsc2021-20241023-uklocale:uk-uaos:windows10-ltsc 2021-x64systemwindows
submitted
21-11-2024 07:51

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General

Target

7-zip.dll
Size

68KB
MD5

f36b70e79ecefb1e8c000166415b62f4
SHA1

859a1c5d325a84ddb4a42fbc7f41e2d48551895f
SHA256

ad54b05ce6ec96c4b95a95f5f736143391ecd3057e9ce4d21ededd0aa9b414e6
SHA512

3a77ee0775798747a2779a747b33cc52ea01d3e0c8d66f51c7ad55a394c5131acaa8ad28bdb32ecbe0f52a10be2e573b44ed08a22adac323198139e3cf3215bd
SSDEEP

1536:mkDlXXahQpYdfVdIKxmbs1xD1H5+G/vmMIKeXy:mkDlXqPf7ws1x1H5t/vmMIRXy

Score

3^/10

discovery

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 1 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	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000}\ = "7-Zip Shell Extension"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7-zip.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 272 wrote to memory of 2872	272	regsvr32.exe	82
PID 272 wrote to memory of 2872	272	regsvr32.exe	82
PID 272 wrote to memory of 2872	272	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\7-zip.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:272
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\7-zip.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2872

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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