8f2e28588f2303bd8d7a9b0c3ff6a9cb16fa93f8ddc9c5e0666a8c12d6880ee3

Analysis

max time kernel
50s
max time network
53s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
23/12/2024, 17:57

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General

Target

Bootstrapper.exe
Size

800KB
MD5

02c70d9d6696950c198db93b7f6a835e
SHA1

30231a467a49cc37768eea0f55f4bea1cbfb48e2
SHA256

8f2e28588f2303bd8d7a9b0c3ff6a9cb16fa93f8ddc9c5e0666a8c12d6880ee3
SHA512

431d9b9918553bff4f4a5bc2a5e7b7015f8ad0e2d390bb4d5264d08983372424156524ef5587b24b67d1226856fc630aaca08edc8113097e0094501b4f08efeb
SSDEEP

12288:qhd8cjaLXVh84wEFkW1mocaBj6WtiRPpptHxQ0z:2ycjar84w5W4ocaBj6y2tHDz

Score

1^/10

Malware Config

Signatures

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
4424	ipconfig.exe

Modifies registry class 4 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2584844841-1405471295-1760131749-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Content\CachePrefix	BackgroundTransferHost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2584844841-1405471295-1760131749-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:"	BackgroundTransferHost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2584844841-1405471295-1760131749-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\History\CachePrefix = "Visited:"	BackgroundTransferHost.exe
Key created	\REGISTRY\USER\S-1-5-21-2584844841-1405471295-1760131749-1000_Classes\Local Settings\MuiCache	BackgroundTransferHost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	228	Bootstrapper.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 228 wrote to memory of 2512	228	Bootstrapper.exe	78
PID 228 wrote to memory of 2512	228	Bootstrapper.exe	78
PID 2512 wrote to memory of 4424	2512	cmd.exe	80
PID 2512 wrote to memory of 4424	2512	cmd.exe	80

C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe
"C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:228
- C:\Windows\SYSTEM32\cmd.exe
  "cmd" /c ipconfig /all
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2512
- - C:\Windows\system32\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:4424

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:3392

C:\Windows\system32\BackgroundTransferHost.exe
"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.13
1⤵
- Modifies registry class
PID:1248

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/228-0-0x00007FFDF3333000-0x00007FFDF3335000-memory.dmp

Filesize
8KB

Download
memory/228-1-0x000002CCAF520000-0x000002CCAF5EE000-memory.dmp

Filesize
824KB

Download
memory/228-2-0x00007FFDF3333000-0x00007FFDF3335000-memory.dmp

Filesize
8KB

Download
memory/228-3-0x00007FFDF3330000-0x00007FFDF3DF2000-memory.dmp

Filesize
10.8MB

Download
memory/228-5-0x00007FFDF3330000-0x00007FFDF3DF2000-memory.dmp

Filesize
10.8MB

Download
memory/228-7-0x00007FFDF3330000-0x00007FFDF3DF2000-memory.dmp

Filesize
10.8MB

Download