Analysis
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max time kernel
150s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
25/12/2023, 04:44
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
05dc60644839d8235620bf8682f71530.exe
Resource
win7-20231215-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
05dc60644839d8235620bf8682f71530.exe
Resource
win10v2004-20231222-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
05dc60644839d8235620bf8682f71530.exe
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Size
240KB
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MD5
05dc60644839d8235620bf8682f71530
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SHA1
257073101cb51d2c21fb9f7eb8684c255a0c991f
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SHA256
12f380b895e9e81a0c00ce4eb19ac054b4022007bd6799dc87b71f733f04cfc4
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SHA512
c79be8c910569e16480e15aa4388e7e38cbea05a1fb0ed470f09bcd11b9e6c9b62f3949bc6fa115e7a96e16a8293d2e7f8bd561604bebd25195113ae3b70b065
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SSDEEP
6144:wURh3dwqsNwemAB0EqxF6snji81RUinKchhymSQ:LdQQJsx
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 05dc60644839d8235620bf8682f71530.exe Set value (int) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" bexac.exe -
Executes dropped EXE 1 IoCs
pid Process 1872 bexac.exe -
Loads dropped DLL 2 IoCs
pid Process 2964 05dc60644839d8235620bf8682f71530.exe 2964 05dc60644839d8235620bf8682f71530.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexac = "C:\\Users\\Admin\\bexac.exe /a" bexac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexac = "C:\\Users\\Admin\\bexac.exe /k" bexac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexac = "C:\\Users\\Admin\\bexac.exe /n" bexac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexac = "C:\\Users\\Admin\\bexac.exe /d" bexac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexac = "C:\\Users\\Admin\\bexac.exe /j" bexac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexac = "C:\\Users\\Admin\\bexac.exe /b" bexac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexac = "C:\\Users\\Admin\\bexac.exe /y" bexac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexac = "C:\\Users\\Admin\\bexac.exe /h" bexac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexac = "C:\\Users\\Admin\\bexac.exe /l" bexac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexac = "C:\\Users\\Admin\\bexac.exe /x" bexac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexac = "C:\\Users\\Admin\\bexac.exe /r" bexac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexac = "C:\\Users\\Admin\\bexac.exe /e" bexac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexac = "C:\\Users\\Admin\\bexac.exe /u" bexac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexac = "C:\\Users\\Admin\\bexac.exe /z" bexac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexac = "C:\\Users\\Admin\\bexac.exe /t" bexac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexac = "C:\\Users\\Admin\\bexac.exe /c" bexac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexac = "C:\\Users\\Admin\\bexac.exe /s" bexac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexac = "C:\\Users\\Admin\\bexac.exe /q" bexac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexac = "C:\\Users\\Admin\\bexac.exe /f" bexac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexac = "C:\\Users\\Admin\\bexac.exe /k" 05dc60644839d8235620bf8682f71530.exe Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexac = "C:\\Users\\Admin\\bexac.exe /w" bexac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexac = "C:\\Users\\Admin\\bexac.exe /v" bexac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexac = "C:\\Users\\Admin\\bexac.exe /o" bexac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexac = "C:\\Users\\Admin\\bexac.exe /p" bexac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexac = "C:\\Users\\Admin\\bexac.exe /g" bexac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexac = "C:\\Users\\Admin\\bexac.exe /m" bexac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexac = "C:\\Users\\Admin\\bexac.exe /i" bexac.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2964 05dc60644839d8235620bf8682f71530.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe 1872 bexac.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2964 05dc60644839d8235620bf8682f71530.exe 1872 bexac.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2964 wrote to memory of 1872 2964 05dc60644839d8235620bf8682f71530.exe 28 PID 2964 wrote to memory of 1872 2964 05dc60644839d8235620bf8682f71530.exe 28 PID 2964 wrote to memory of 1872 2964 05dc60644839d8235620bf8682f71530.exe 28 PID 2964 wrote to memory of 1872 2964 05dc60644839d8235620bf8682f71530.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\05dc60644839d8235620bf8682f71530.exe"C:\Users\Admin\AppData\Local\Temp\05dc60644839d8235620bf8682f71530.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2964 -
C:\Users\Admin\bexac.exe"C:\Users\Admin\bexac.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1872
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
240KB
MD50908f489a7428c9a94b449b8ad530b9f
SHA1155891c359932fe159a21396acbc48756fb57d86
SHA25640eb45c2697bb18f4abf4cafed7001a0a5d6a3b16c74bfc9f66c41912f79194c
SHA51266ee1fac9fd1614eae95bb5b7400fab89db7f085383c312bf4823c9b520da4588b8b07bf44bbd0fde8ed56b8a2f3e3f92672b61e5d492483765e6ebbc2608c73