Analysis
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max time kernel
151s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
20/10/2022, 01:45
Static task
static1
Behavioral task
behavioral1
Sample
bf6af6234701a682e3d2725845809e92ce981c7f966724e0910d245c99f59d45.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
bf6af6234701a682e3d2725845809e92ce981c7f966724e0910d245c99f59d45.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
bf6af6234701a682e3d2725845809e92ce981c7f966724e0910d245c99f59d45.exe
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Size
336KB
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MD5
803becdaceb5967fed1ba69c4b317300
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SHA1
bffc1a8ef34f54634d53aa4d5b85f805c14edc74
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SHA256
bf6af6234701a682e3d2725845809e92ce981c7f966724e0910d245c99f59d45
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SHA512
b593b71ff4888d079170153c6fd67b456084707fe37af09a89d7c2265fa4a86ca3335b7dd106b092eae2d30dfb3bbd188df80852f4b87c234cb9c0c504c363ef
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SSDEEP
3072:EpmPpBtQGCltUWrEpmpXzKmpXzR84nDVkj4C2lXRWMvaTv/0qAdf564HP4oQZiEl:E8PpYGCleWBpDC2dRITv/HAf5NxWvj
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" bf6af6234701a682e3d2725845809e92ce981c7f966724e0910d245c99f59d45.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" zljeuw.exe -
Executes dropped EXE 1 IoCs
pid Process 1600 zljeuw.exe -
Loads dropped DLL 2 IoCs
pid Process 1760 bf6af6234701a682e3d2725845809e92ce981c7f966724e0910d245c99f59d45.exe 1760 bf6af6234701a682e3d2725845809e92ce981c7f966724e0910d245c99f59d45.exe -
Adds Run key to start application 2 TTPs 54 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /h" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /f" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /N" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /j" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /v" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /O" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /M" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /I" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /e" zljeuw.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ bf6af6234701a682e3d2725845809e92ce981c7f966724e0910d245c99f59d45.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /a" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /r" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /g" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /J" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /b" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /r" bf6af6234701a682e3d2725845809e92ce981c7f966724e0910d245c99f59d45.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /P" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /y" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /p" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /C" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /c" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /W" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /d" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /R" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /G" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /u" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /E" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /Y" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /B" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /n" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /X" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /x" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /q" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /Q" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /A" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /D" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /U" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /l" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /V" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /S" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /i" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /o" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /s" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /H" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /t" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /z" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /w" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /m" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /K" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /L" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /k" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /Z" zljeuw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zljeuw = "C:\\Users\\Admin\\zljeuw.exe /T" zljeuw.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 1760 bf6af6234701a682e3d2725845809e92ce981c7f966724e0910d245c99f59d45.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe 1600 zljeuw.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1760 bf6af6234701a682e3d2725845809e92ce981c7f966724e0910d245c99f59d45.exe 1600 zljeuw.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1760 wrote to memory of 1600 1760 bf6af6234701a682e3d2725845809e92ce981c7f966724e0910d245c99f59d45.exe 28 PID 1760 wrote to memory of 1600 1760 bf6af6234701a682e3d2725845809e92ce981c7f966724e0910d245c99f59d45.exe 28 PID 1760 wrote to memory of 1600 1760 bf6af6234701a682e3d2725845809e92ce981c7f966724e0910d245c99f59d45.exe 28 PID 1760 wrote to memory of 1600 1760 bf6af6234701a682e3d2725845809e92ce981c7f966724e0910d245c99f59d45.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\bf6af6234701a682e3d2725845809e92ce981c7f966724e0910d245c99f59d45.exe"C:\Users\Admin\AppData\Local\Temp\bf6af6234701a682e3d2725845809e92ce981c7f966724e0910d245c99f59d45.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:1760 -
C:\Users\Admin\zljeuw.exe"C:\Users\Admin\zljeuw.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:1600
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
336KB
MD56defd66ce3d64e478c171839781d0ff2
SHA1515eadd79c97b9374bb1a73d7afdca7bce6e3fe5
SHA25660361f9d42e245a7e799751a70440653dd1f5c8999b6e86bb3d70869ba15d3cc
SHA51265bc094fd7be8df218c9d2ca6e31bb549317154ca61f8aae6faca9cdd4742dde4aa02cd2df1d70906e896736c6d43a004da58c5cd39d66fea904697e92a49d2b
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Filesize
336KB
MD56defd66ce3d64e478c171839781d0ff2
SHA1515eadd79c97b9374bb1a73d7afdca7bce6e3fe5
SHA25660361f9d42e245a7e799751a70440653dd1f5c8999b6e86bb3d70869ba15d3cc
SHA51265bc094fd7be8df218c9d2ca6e31bb549317154ca61f8aae6faca9cdd4742dde4aa02cd2df1d70906e896736c6d43a004da58c5cd39d66fea904697e92a49d2b
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Filesize
336KB
MD56defd66ce3d64e478c171839781d0ff2
SHA1515eadd79c97b9374bb1a73d7afdca7bce6e3fe5
SHA25660361f9d42e245a7e799751a70440653dd1f5c8999b6e86bb3d70869ba15d3cc
SHA51265bc094fd7be8df218c9d2ca6e31bb549317154ca61f8aae6faca9cdd4742dde4aa02cd2df1d70906e896736c6d43a004da58c5cd39d66fea904697e92a49d2b
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Filesize
336KB
MD56defd66ce3d64e478c171839781d0ff2
SHA1515eadd79c97b9374bb1a73d7afdca7bce6e3fe5
SHA25660361f9d42e245a7e799751a70440653dd1f5c8999b6e86bb3d70869ba15d3cc
SHA51265bc094fd7be8df218c9d2ca6e31bb549317154ca61f8aae6faca9cdd4742dde4aa02cd2df1d70906e896736c6d43a004da58c5cd39d66fea904697e92a49d2b