66cd57c5830bb579d017a0a7b4924e03a4177ba40c82045100da383ea2144946

Resubmissions

07/08/2024, 04:00

240807-ekzeda1ajk 3

07/08/2024, 03:56

240807-ehleqszhmj 3

07/08/2024, 03:53

240807-efr5hazgql 3

Analysis

max time kernel
41s
max time network
43s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
07/08/2024, 03:53

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Report Analysis Logs

General

Target

Bootstrapper.exe
Size

796KB
MD5

3af8103c6e2ba160987b5b4e87b231d2
SHA1

b65c5f0351e1689b7d1e1e68e2e443176831378c
SHA256

66cd57c5830bb579d017a0a7b4924e03a4177ba40c82045100da383ea2144946
SHA512

fc7c3e1326fbaee32066e567384c18abf7e85cbfa489a48fa25e0bcfb79d8f3f8f7e4e9a61e6c6f2a1203e15682fd35ab8c3d4988298b837f2854b7c7791341a
SSDEEP

12288:p2iqprGXZAIS8aysgethzoGQljjIcukly9wQ6alRlZUh:HUGJBSZttoGQljjfuCy9wQ6an

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
840	3976	WerFault.exe	77

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	Bootstrapper.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2227988167-2813779459-4240799794-1000_Classes\Local Settings\MuiCache	MiniSearchHost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3976	Bootstrapper.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1572	MiniSearchHost.exe

C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe
"C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3976
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3976 -s 1756
  2⤵
  - Program crash
  PID:840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3976 -ip 3976
1⤵
PID:2144

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:1572

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat

Filesize
10KB

MD5
a7f391566ceb7d310b04c1376aa66a07

SHA1
eda88e9134d3de209152481c9e8aa02054d4c2eb

SHA256
8ecb81fa22792fa6bb09abc86b9b5afb50773e2c5537def45dd8ba297f6c714e

SHA512
163bad20eaa9108286367367e6a54a9ac612026954ee2466b8f88f732a992695fe160d3fb5f092976ef15c1c1b71400e577a9a4833dfa616d7c9ee6a8237033c

Download Submit
memory/3976-0-0x00000000745EE000-0x00000000745EF000-memory.dmp

Filesize
4KB

Download
memory/3976-1-0x0000000000FB0000-0x000000000107E000-memory.dmp

Filesize
824KB

Download
memory/3976-2-0x00000000745E0000-0x0000000074D91000-memory.dmp

Filesize
7.7MB

Download
memory/3976-3-0x00000000745E0000-0x0000000074D91000-memory.dmp

Filesize
7.7MB

Download