53eeff9f4fa0473d90cf4abe978ff60d5898d2527924a593ef877303cab88a5b

Resubmissions

11/06/2024, 15:38

240611-s26rnssbka 10

11/06/2024, 15:36

240611-s12rbssejn 6

Analysis

max time kernel
67s
max time network
60s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
11/06/2024, 15:36

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General

Target

Byte Guard Free.exe
Size

2.4MB
MD5

32eee970bec927fd068197918edac5a4
SHA1

8aa4820931aa228856f12fc516f886dab4d12e28
SHA256

53eeff9f4fa0473d90cf4abe978ff60d5898d2527924a593ef877303cab88a5b
SHA512

d47d2fbc9d4b9a47d0b5b1076aaa89b20ba72a9625e9fcfd57f000bc14abc11aff60123667bbb6998fa5bdff65b7207f410cc6008207fc2362db1d99c80afbe8
SSDEEP

49152:3Ls8e8SkGMITYbNbNWo4kSH3OqtwI2MrBm6w30IfRaRf:3PecGMIT4bNJFY3OqtxdmDDJef

Score

6^/10

Malware Config

Signatures

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
1	ipinfo.io

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1576	4936	WerFault.exe	75

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\MuiCache	MiniSearchHost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4936	Byte Guard Free.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3992	MiniSearchHost.exe

C:\Users\Admin\AppData\Local\Temp\Byte Guard Free.exe
"C:\Users\Admin\AppData\Local\Temp\Byte Guard Free.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4936
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 1504
  2⤵
  - Program crash
  PID:1576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4936 -ip 4936
1⤵
PID:5116

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:3992

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:2524

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc
1⤵
PID:2600

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

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

Filesize
10KB

MD5
18951ad4190ed728ba23e932e0c6e0db

SHA1
fa2d16fcbc3defd07cb8f21d8ea4793a21f261f0

SHA256
66607b009c345a8e70fc1e58ab8a13bbea0e370c8d75f16d2cce5b876a748915

SHA512
a67237089efa8615747bdc6cfe0afc977dc54cfd624a8d2e5124a441c204f1ec58ee7cfbbc105ddc2c18d4f254b9e124d71630bcdba0253d41a96890104f2fff

Download Submit
memory/4936-0-0x000000007458E000-0x000000007458F000-memory.dmp

Filesize
4KB

Download
memory/4936-1-0x00000000006E0000-0x0000000000958000-memory.dmp

Filesize
2.5MB

Download
memory/4936-2-0x0000000005B10000-0x00000000060B6000-memory.dmp

Filesize
5.6MB

Download
memory/4936-3-0x0000000005460000-0x00000000054F2000-memory.dmp

Filesize
584KB

Download
memory/4936-4-0x0000000074580000-0x0000000074D31000-memory.dmp

Filesize
7.7MB

Download
memory/4936-5-0x0000000074580000-0x0000000074D31000-memory.dmp

Filesize
7.7MB

Download