Analysis
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max time kernel
190s -
max time network
75s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
02/12/2022, 23:36
Static task
static1
Behavioral task
behavioral1
Sample
a112354fc0138b24c4cc8f6674bf60f635baeb0a01022879863f8a7e5467b877.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
a112354fc0138b24c4cc8f6674bf60f635baeb0a01022879863f8a7e5467b877.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
a112354fc0138b24c4cc8f6674bf60f635baeb0a01022879863f8a7e5467b877.exe
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Size
204KB
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MD5
7a283d06113d94bcacddc3997231f11d
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SHA1
44205ec8cd3bc1bef0e63eaf183dce72de43ed66
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SHA256
a112354fc0138b24c4cc8f6674bf60f635baeb0a01022879863f8a7e5467b877
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SHA512
0411114b24d6cfebd0604e5a062cd21352f5dfb5d75137c6c028012f8e4e2327b618d77eb9b4864b88a5cb676c9c642ff9188cc0a81d3b4029ea8280385c43c7
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SSDEEP
3072:QAWLd32FYGYjiojqOayjUrrU2f7HbEH1/rKvo3moy:Q/jiojquErTf7Hoco3Q
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-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" a112354fc0138b24c4cc8f6674bf60f635baeb0a01022879863f8a7e5467b877.exe Set value (int) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" lfzep.exe -
Executes dropped EXE 1 IoCs
pid Process 656 lfzep.exe -
Loads dropped DLL 2 IoCs
pid Process 828 a112354fc0138b24c4cc8f6674bf60f635baeb0a01022879863f8a7e5467b877.exe 828 a112354fc0138b24c4cc8f6674bf60f635baeb0a01022879863f8a7e5467b877.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzep = "C:\\Users\\Admin\\lfzep.exe /h" lfzep.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzep = "C:\\Users\\Admin\\lfzep.exe /r" lfzep.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\ lfzep.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzep = "C:\\Users\\Admin\\lfzep.exe /o" lfzep.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzep = "C:\\Users\\Admin\\lfzep.exe /l" lfzep.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzep = "C:\\Users\\Admin\\lfzep.exe /f" lfzep.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzep = "C:\\Users\\Admin\\lfzep.exe /t" lfzep.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzep = "C:\\Users\\Admin\\lfzep.exe /i" lfzep.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzep = "C:\\Users\\Admin\\lfzep.exe /q" lfzep.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzep = "C:\\Users\\Admin\\lfzep.exe /p" lfzep.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzep = "C:\\Users\\Admin\\lfzep.exe /s" lfzep.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzep = "C:\\Users\\Admin\\lfzep.exe /v" lfzep.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzep = "C:\\Users\\Admin\\lfzep.exe /x" a112354fc0138b24c4cc8f6674bf60f635baeb0a01022879863f8a7e5467b877.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzep = "C:\\Users\\Admin\\lfzep.exe /x" lfzep.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzep = "C:\\Users\\Admin\\lfzep.exe /k" lfzep.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzep = "C:\\Users\\Admin\\lfzep.exe /w" lfzep.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzep = "C:\\Users\\Admin\\lfzep.exe /a" lfzep.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzep = "C:\\Users\\Admin\\lfzep.exe /m" lfzep.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzep = "C:\\Users\\Admin\\lfzep.exe /y" lfzep.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzep = "C:\\Users\\Admin\\lfzep.exe /n" lfzep.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzep = "C:\\Users\\Admin\\lfzep.exe /b" lfzep.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzep = "C:\\Users\\Admin\\lfzep.exe /j" lfzep.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzep = "C:\\Users\\Admin\\lfzep.exe /e" lfzep.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzep = "C:\\Users\\Admin\\lfzep.exe /u" lfzep.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\ a112354fc0138b24c4cc8f6674bf60f635baeb0a01022879863f8a7e5467b877.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzep = "C:\\Users\\Admin\\lfzep.exe /c" lfzep.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzep = "C:\\Users\\Admin\\lfzep.exe /g" lfzep.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzep = "C:\\Users\\Admin\\lfzep.exe /d" lfzep.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzep = "C:\\Users\\Admin\\lfzep.exe /z" lfzep.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 828 a112354fc0138b24c4cc8f6674bf60f635baeb0a01022879863f8a7e5467b877.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe 656 lfzep.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 828 a112354fc0138b24c4cc8f6674bf60f635baeb0a01022879863f8a7e5467b877.exe 656 lfzep.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 828 wrote to memory of 656 828 a112354fc0138b24c4cc8f6674bf60f635baeb0a01022879863f8a7e5467b877.exe 28 PID 828 wrote to memory of 656 828 a112354fc0138b24c4cc8f6674bf60f635baeb0a01022879863f8a7e5467b877.exe 28 PID 828 wrote to memory of 656 828 a112354fc0138b24c4cc8f6674bf60f635baeb0a01022879863f8a7e5467b877.exe 28 PID 828 wrote to memory of 656 828 a112354fc0138b24c4cc8f6674bf60f635baeb0a01022879863f8a7e5467b877.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\a112354fc0138b24c4cc8f6674bf60f635baeb0a01022879863f8a7e5467b877.exe"C:\Users\Admin\AppData\Local\Temp\a112354fc0138b24c4cc8f6674bf60f635baeb0a01022879863f8a7e5467b877.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:828 -
C:\Users\Admin\lfzep.exe"C:\Users\Admin\lfzep.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:656
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
204KB
MD5761e40bdcca46a59a65287f4cd2f55c9
SHA19964bed983e22957299771f85cc32e7e0cd5cec4
SHA2567cf360fe316c090a3a9f11877219346806960647536922b3e5aa62081197e952
SHA5127b8a86a319bb22b9a0cb393a8c3d1e7b1386c658afbde48b826e5b92cfdb4884ad3afa63f63faef09023d0329daa0564db4090bfb4dea137d1a822f4a089f300
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Filesize
204KB
MD5761e40bdcca46a59a65287f4cd2f55c9
SHA19964bed983e22957299771f85cc32e7e0cd5cec4
SHA2567cf360fe316c090a3a9f11877219346806960647536922b3e5aa62081197e952
SHA5127b8a86a319bb22b9a0cb393a8c3d1e7b1386c658afbde48b826e5b92cfdb4884ad3afa63f63faef09023d0329daa0564db4090bfb4dea137d1a822f4a089f300
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Filesize
204KB
MD5761e40bdcca46a59a65287f4cd2f55c9
SHA19964bed983e22957299771f85cc32e7e0cd5cec4
SHA2567cf360fe316c090a3a9f11877219346806960647536922b3e5aa62081197e952
SHA5127b8a86a319bb22b9a0cb393a8c3d1e7b1386c658afbde48b826e5b92cfdb4884ad3afa63f63faef09023d0329daa0564db4090bfb4dea137d1a822f4a089f300
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Filesize
204KB
MD5761e40bdcca46a59a65287f4cd2f55c9
SHA19964bed983e22957299771f85cc32e7e0cd5cec4
SHA2567cf360fe316c090a3a9f11877219346806960647536922b3e5aa62081197e952
SHA5127b8a86a319bb22b9a0cb393a8c3d1e7b1386c658afbde48b826e5b92cfdb4884ad3afa63f63faef09023d0329daa0564db4090bfb4dea137d1a822f4a089f300