Analysis
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max time kernel
151s -
max time network
78s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
05/12/2022, 22:49
Static task
static1
Behavioral task
behavioral1
Sample
c0d6d30a9a4493e88df87b10dc9e3f92606f390980194d64787e6890f8860205.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
c0d6d30a9a4493e88df87b10dc9e3f92606f390980194d64787e6890f8860205.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
c0d6d30a9a4493e88df87b10dc9e3f92606f390980194d64787e6890f8860205.exe
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Size
272KB
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MD5
fdb8c9a2132aa8881b86da5521e19964
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SHA1
cd4e3c9faaceee49167746994e1c5fbf4326b4e3
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SHA256
c0d6d30a9a4493e88df87b10dc9e3f92606f390980194d64787e6890f8860205
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SHA512
8533b1054a73d75507c3aefa5e7172ccdccde8b00d553e1de6f4cd74c6ec93a715d20150a5ffdf82175136e099669fb858444c820e8516f8ec7948ab41b70ac2
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SSDEEP
6144:VY4d871eE79p6aWkk2QPxLGlLrdAHaSA+N43UfwV8r6vNJU2wagnUC5:VYA8ZUGlLr7/+NnI8r2gB
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" maelak.exe Set value (int) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" c0d6d30a9a4493e88df87b10dc9e3f92606f390980194d64787e6890f8860205.exe -
Executes dropped EXE 1 IoCs
pid Process 1480 maelak.exe -
Loads dropped DLL 2 IoCs
pid Process 956 c0d6d30a9a4493e88df87b10dc9e3f92606f390980194d64787e6890f8860205.exe 956 c0d6d30a9a4493e88df87b10dc9e3f92606f390980194d64787e6890f8860205.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\maelak = "C:\\Users\\Admin\\maelak.exe /c" maelak.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\maelak = "C:\\Users\\Admin\\maelak.exe /i" maelak.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\maelak = "C:\\Users\\Admin\\maelak.exe /j" maelak.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\maelak = "C:\\Users\\Admin\\maelak.exe /k" maelak.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\maelak = "C:\\Users\\Admin\\maelak.exe /r" maelak.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\maelak = "C:\\Users\\Admin\\maelak.exe /w" maelak.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\ c0d6d30a9a4493e88df87b10dc9e3f92606f390980194d64787e6890f8860205.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\maelak = "C:\\Users\\Admin\\maelak.exe /l" maelak.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\maelak = "C:\\Users\\Admin\\maelak.exe /m" maelak.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\maelak = "C:\\Users\\Admin\\maelak.exe /u" maelak.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\maelak = "C:\\Users\\Admin\\maelak.exe /o" maelak.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\ maelak.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\maelak = "C:\\Users\\Admin\\maelak.exe /d" maelak.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\maelak = "C:\\Users\\Admin\\maelak.exe /h" maelak.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\maelak = "C:\\Users\\Admin\\maelak.exe /e" maelak.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\maelak = "C:\\Users\\Admin\\maelak.exe /p" maelak.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\maelak = "C:\\Users\\Admin\\maelak.exe /n" maelak.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\maelak = "C:\\Users\\Admin\\maelak.exe /s" maelak.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\maelak = "C:\\Users\\Admin\\maelak.exe /o" c0d6d30a9a4493e88df87b10dc9e3f92606f390980194d64787e6890f8860205.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\maelak = "C:\\Users\\Admin\\maelak.exe /b" maelak.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\maelak = "C:\\Users\\Admin\\maelak.exe /t" maelak.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\maelak = "C:\\Users\\Admin\\maelak.exe /y" maelak.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\maelak = "C:\\Users\\Admin\\maelak.exe /z" maelak.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\maelak = "C:\\Users\\Admin\\maelak.exe /g" maelak.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\maelak = "C:\\Users\\Admin\\maelak.exe /q" maelak.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\maelak = "C:\\Users\\Admin\\maelak.exe /a" maelak.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\maelak = "C:\\Users\\Admin\\maelak.exe /x" maelak.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\maelak = "C:\\Users\\Admin\\maelak.exe /f" maelak.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\maelak = "C:\\Users\\Admin\\maelak.exe /v" maelak.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 956 c0d6d30a9a4493e88df87b10dc9e3f92606f390980194d64787e6890f8860205.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe 1480 maelak.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 956 c0d6d30a9a4493e88df87b10dc9e3f92606f390980194d64787e6890f8860205.exe 1480 maelak.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 956 wrote to memory of 1480 956 c0d6d30a9a4493e88df87b10dc9e3f92606f390980194d64787e6890f8860205.exe 28 PID 956 wrote to memory of 1480 956 c0d6d30a9a4493e88df87b10dc9e3f92606f390980194d64787e6890f8860205.exe 28 PID 956 wrote to memory of 1480 956 c0d6d30a9a4493e88df87b10dc9e3f92606f390980194d64787e6890f8860205.exe 28 PID 956 wrote to memory of 1480 956 c0d6d30a9a4493e88df87b10dc9e3f92606f390980194d64787e6890f8860205.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\c0d6d30a9a4493e88df87b10dc9e3f92606f390980194d64787e6890f8860205.exe"C:\Users\Admin\AppData\Local\Temp\c0d6d30a9a4493e88df87b10dc9e3f92606f390980194d64787e6890f8860205.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:956 -
C:\Users\Admin\maelak.exe"C:\Users\Admin\maelak.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:1480
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
272KB
MD5de8f96948331a7403997b2902322ee4b
SHA185a6c8b74db1ad03630455cf165fd0052b56a4d1
SHA25641b9f1b7e16cd863b696a31cfc6900d3ff7a4d628d858f25771faccea5873291
SHA512f685b01542f818a1e935e03265a2df08acfe528665cda6862563dc5a6f4da355431d09f66d0954197b9a21ce3b411b287d76f8ec2252b5747a0a8b1ff6d4dd1d
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Filesize
272KB
MD5de8f96948331a7403997b2902322ee4b
SHA185a6c8b74db1ad03630455cf165fd0052b56a4d1
SHA25641b9f1b7e16cd863b696a31cfc6900d3ff7a4d628d858f25771faccea5873291
SHA512f685b01542f818a1e935e03265a2df08acfe528665cda6862563dc5a6f4da355431d09f66d0954197b9a21ce3b411b287d76f8ec2252b5747a0a8b1ff6d4dd1d
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Filesize
272KB
MD5de8f96948331a7403997b2902322ee4b
SHA185a6c8b74db1ad03630455cf165fd0052b56a4d1
SHA25641b9f1b7e16cd863b696a31cfc6900d3ff7a4d628d858f25771faccea5873291
SHA512f685b01542f818a1e935e03265a2df08acfe528665cda6862563dc5a6f4da355431d09f66d0954197b9a21ce3b411b287d76f8ec2252b5747a0a8b1ff6d4dd1d
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Filesize
272KB
MD5de8f96948331a7403997b2902322ee4b
SHA185a6c8b74db1ad03630455cf165fd0052b56a4d1
SHA25641b9f1b7e16cd863b696a31cfc6900d3ff7a4d628d858f25771faccea5873291
SHA512f685b01542f818a1e935e03265a2df08acfe528665cda6862563dc5a6f4da355431d09f66d0954197b9a21ce3b411b287d76f8ec2252b5747a0a8b1ff6d4dd1d