Analysis
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max time kernel
93s -
max time network
94s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
11/06/2024, 00:59
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-11_62ef4dbce85c4872cbbad30360a501d4_bkransomware.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-11_62ef4dbce85c4872cbbad30360a501d4_bkransomware.exe
Resource
win10v2004-20240426-en
General
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Target
2024-06-11_62ef4dbce85c4872cbbad30360a501d4_bkransomware.exe
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Size
1.7MB
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MD5
62ef4dbce85c4872cbbad30360a501d4
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SHA1
1719ce1e13e14c24560f8556aab25af387112498
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SHA256
a3be9726b0600d5bc89cd809b17567cb573e0faeb7ab28a803e88bca3cc04afe
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SHA512
50ed2edf6559e4dc04134dd4d08ba5d1a1854c2dc150f5b5d5f9cf03ee1f0b179662f6bb667c7497bef722909555f9d2573146066b29d054eca3a83d0cbb9a1c
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SSDEEP
24576:M2lmh4Rt/TwSfVcYG3K/cJHlnFR+IGNe8j3Iz:M2Mh4RtLNiXicJFFRGNzj3
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 3256 alg.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\System32\alg.exe 2024-06-11_62ef4dbce85c4872cbbad30360a501d4_bkransomware.exe File opened for modification C:\Windows\system32\AppVClient.exe 2024-06-11_62ef4dbce85c4872cbbad30360a501d4_bkransomware.exe File opened for modification C:\Windows\system32\dllhost.exe 2024-06-11_62ef4dbce85c4872cbbad30360a501d4_bkransomware.exe File opened for modification C:\Windows\system32\DiagSvcs\DiagnosticsHub.StandardCollector.Service.exe 2024-06-11_62ef4dbce85c4872cbbad30360a501d4_bkransomware.exe -
Suspicious behavior: LoadsDriver 2 IoCs
pid Process 660 Process not Found 660 Process not Found -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeTakeOwnershipPrivilege 3520 2024-06-11_62ef4dbce85c4872cbbad30360a501d4_bkransomware.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 3520 2024-06-11_62ef4dbce85c4872cbbad30360a501d4_bkransomware.exe 3520 2024-06-11_62ef4dbce85c4872cbbad30360a501d4_bkransomware.exe 3520 2024-06-11_62ef4dbce85c4872cbbad30360a501d4_bkransomware.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-11_62ef4dbce85c4872cbbad30360a501d4_bkransomware.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-11_62ef4dbce85c4872cbbad30360a501d4_bkransomware.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3520
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C:\Windows\System32\alg.exeC:\Windows\System32\alg.exe1⤵
- Executes dropped EXE
PID:3256
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
1.4MB
MD54b09816af09c96c497581ec29cc3be51
SHA17857f6c340c8a7bf50aceba2f5f043d56edaf4e2
SHA2563a9c741ed2d0819541b168f43457e1de62fdee0b767190cf54294eb4a4a0b01f
SHA512779156308ed6a7e6e135cb7b3b16904f8c3d70bbac1c3b83fd44bf3e98f2be4305252fee9722a1ce2d8d8435b41e4ec1132b6ab2e73f50f24bd2fbb71b6e3275