Analysis
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max time kernel
152s -
max time network
110s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
29/10/2022, 16:11
Static task
static1
Behavioral task
behavioral1
Sample
323f78aba4ba5203c95154873df82d611d2aa19578886dbf4d8a48ccb2176525.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
323f78aba4ba5203c95154873df82d611d2aa19578886dbf4d8a48ccb2176525.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
323f78aba4ba5203c95154873df82d611d2aa19578886dbf4d8a48ccb2176525.exe
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Size
272KB
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MD5
5f3cfb2535ca533e136ee088aae33770
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SHA1
f7dc7557457c66670ffa829be3db948d1e4c3261
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SHA256
323f78aba4ba5203c95154873df82d611d2aa19578886dbf4d8a48ccb2176525
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SHA512
ede16c43418de935708257c591c4e4e2951b3f73037e811808f847838a238e58059fa6ef6b358ceada5a1c6f8d3b52a188a4aa76427e3c6053cb2d954c946570
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SSDEEP
3072:k4Y9gmss0FvbVJznCRcz/hVFA9MSs/PLLj+Qm4U3YwgTeA3h7yG:llvbfznH7O9G/PLLxU3YwgTT
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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 323f78aba4ba5203c95154873df82d611d2aa19578886dbf4d8a48ccb2176525.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" bieob.exe -
Executes dropped EXE 1 IoCs
pid Process 968 bieob.exe -
Loads dropped DLL 2 IoCs
pid Process 916 323f78aba4ba5203c95154873df82d611d2aa19578886dbf4d8a48ccb2176525.exe 916 323f78aba4ba5203c95154873df82d611d2aa19578886dbf4d8a48ccb2176525.exe -
Adds Run key to start application 2 TTPs 28 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 323f78aba4ba5203c95154873df82d611d2aa19578886dbf4d8a48ccb2176525.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieob = "C:\\Users\\Admin\\bieob.exe /v" bieob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieob = "C:\\Users\\Admin\\bieob.exe /y" bieob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieob = "C:\\Users\\Admin\\bieob.exe /w" bieob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieob = "C:\\Users\\Admin\\bieob.exe /u" bieob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieob = "C:\\Users\\Admin\\bieob.exe /q" bieob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieob = "C:\\Users\\Admin\\bieob.exe /k" bieob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieob = "C:\\Users\\Admin\\bieob.exe /h" bieob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieob = "C:\\Users\\Admin\\bieob.exe /c" 323f78aba4ba5203c95154873df82d611d2aa19578886dbf4d8a48ccb2176525.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieob = "C:\\Users\\Admin\\bieob.exe /o" bieob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieob = "C:\\Users\\Admin\\bieob.exe /n" bieob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieob = "C:\\Users\\Admin\\bieob.exe /t" bieob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieob = "C:\\Users\\Admin\\bieob.exe /a" bieob.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ bieob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieob = "C:\\Users\\Admin\\bieob.exe /l" bieob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieob = "C:\\Users\\Admin\\bieob.exe /r" bieob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieob = "C:\\Users\\Admin\\bieob.exe /j" bieob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieob = "C:\\Users\\Admin\\bieob.exe /g" bieob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieob = "C:\\Users\\Admin\\bieob.exe /i" bieob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieob = "C:\\Users\\Admin\\bieob.exe /z" bieob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieob = "C:\\Users\\Admin\\bieob.exe /d" bieob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieob = "C:\\Users\\Admin\\bieob.exe /x" bieob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieob = "C:\\Users\\Admin\\bieob.exe /e" bieob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieob = "C:\\Users\\Admin\\bieob.exe /b" bieob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieob = "C:\\Users\\Admin\\bieob.exe /m" bieob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieob = "C:\\Users\\Admin\\bieob.exe /f" bieob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieob = "C:\\Users\\Admin\\bieob.exe /s" bieob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieob = "C:\\Users\\Admin\\bieob.exe /p" bieob.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 916 323f78aba4ba5203c95154873df82d611d2aa19578886dbf4d8a48ccb2176525.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe 968 bieob.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 916 323f78aba4ba5203c95154873df82d611d2aa19578886dbf4d8a48ccb2176525.exe 968 bieob.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 916 wrote to memory of 968 916 323f78aba4ba5203c95154873df82d611d2aa19578886dbf4d8a48ccb2176525.exe 27 PID 916 wrote to memory of 968 916 323f78aba4ba5203c95154873df82d611d2aa19578886dbf4d8a48ccb2176525.exe 27 PID 916 wrote to memory of 968 916 323f78aba4ba5203c95154873df82d611d2aa19578886dbf4d8a48ccb2176525.exe 27 PID 916 wrote to memory of 968 916 323f78aba4ba5203c95154873df82d611d2aa19578886dbf4d8a48ccb2176525.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\323f78aba4ba5203c95154873df82d611d2aa19578886dbf4d8a48ccb2176525.exe"C:\Users\Admin\AppData\Local\Temp\323f78aba4ba5203c95154873df82d611d2aa19578886dbf4d8a48ccb2176525.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:916 -
C:\Users\Admin\bieob.exe"C:\Users\Admin\bieob.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:968
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
272KB
MD55f3cfb2535ca533e136ee088aae33770
SHA1f7dc7557457c66670ffa829be3db948d1e4c3261
SHA256323f78aba4ba5203c95154873df82d611d2aa19578886dbf4d8a48ccb2176525
SHA512ede16c43418de935708257c591c4e4e2951b3f73037e811808f847838a238e58059fa6ef6b358ceada5a1c6f8d3b52a188a4aa76427e3c6053cb2d954c946570
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Filesize
272KB
MD55f3cfb2535ca533e136ee088aae33770
SHA1f7dc7557457c66670ffa829be3db948d1e4c3261
SHA256323f78aba4ba5203c95154873df82d611d2aa19578886dbf4d8a48ccb2176525
SHA512ede16c43418de935708257c591c4e4e2951b3f73037e811808f847838a238e58059fa6ef6b358ceada5a1c6f8d3b52a188a4aa76427e3c6053cb2d954c946570
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Filesize
272KB
MD55f3cfb2535ca533e136ee088aae33770
SHA1f7dc7557457c66670ffa829be3db948d1e4c3261
SHA256323f78aba4ba5203c95154873df82d611d2aa19578886dbf4d8a48ccb2176525
SHA512ede16c43418de935708257c591c4e4e2951b3f73037e811808f847838a238e58059fa6ef6b358ceada5a1c6f8d3b52a188a4aa76427e3c6053cb2d954c946570
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Filesize
272KB
MD55f3cfb2535ca533e136ee088aae33770
SHA1f7dc7557457c66670ffa829be3db948d1e4c3261
SHA256323f78aba4ba5203c95154873df82d611d2aa19578886dbf4d8a48ccb2176525
SHA512ede16c43418de935708257c591c4e4e2951b3f73037e811808f847838a238e58059fa6ef6b358ceada5a1c6f8d3b52a188a4aa76427e3c6053cb2d954c946570