Analysis
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max time kernel
141s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
09/11/2024, 13:45
Behavioral task
behavioral1
Sample
2024-11-09_192ab7b214d0734a83cd6ee5f3e59902_cryptolocker.exe
Resource
win7-20241023-en
General
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Target
2024-11-09_192ab7b214d0734a83cd6ee5f3e59902_cryptolocker.exe
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Size
102KB
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MD5
192ab7b214d0734a83cd6ee5f3e59902
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SHA1
1cd356af0f80cced67dcd48219fa75b60c43703e
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SHA256
82c8b9587010812d9847ab1acf7a7b843dde1feb5bc2f80cfe0791ed76c3d20e
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SHA512
874df2fd360d5a58e912ee211306fd48c111faf2f31c3ef15e0b26b30ae23f39d4041103e7dc14c0705309dc076daa62a32ba9c6dd9d95c7f33cd414d20bafe2
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpwqWsviP1l:AnBdOOtEvwDpj6zl
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1904 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 1956 2024-11-09_192ab7b214d0734a83cd6ee5f3e59902_cryptolocker.exe -
resource yara_rule behavioral1/memory/1956-0-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral1/files/0x000d000000012281-11.dat upx behavioral1/memory/1904-18-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral1/memory/1956-16-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral1/memory/1904-28-0x0000000000500000-0x000000000050F000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-11-09_192ab7b214d0734a83cd6ee5f3e59902_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language asih.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1956 wrote to memory of 1904 1956 2024-11-09_192ab7b214d0734a83cd6ee5f3e59902_cryptolocker.exe 30 PID 1956 wrote to memory of 1904 1956 2024-11-09_192ab7b214d0734a83cd6ee5f3e59902_cryptolocker.exe 30 PID 1956 wrote to memory of 1904 1956 2024-11-09_192ab7b214d0734a83cd6ee5f3e59902_cryptolocker.exe 30 PID 1956 wrote to memory of 1904 1956 2024-11-09_192ab7b214d0734a83cd6ee5f3e59902_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-11-09_192ab7b214d0734a83cd6ee5f3e59902_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-09_192ab7b214d0734a83cd6ee5f3e59902_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1956 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1904
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
102KB
MD5eda7810560b87103bac3a78b643cf5c1
SHA1725a4ef471fd3138501db8fe4b0b48e9a01b605a
SHA25624eb2a5fff433d44e7d9c40d4f233cd0f7eae67e296e0c118f79c27fb0eb9551
SHA512c2d1b9e933932ca3827c83121926cf8b936aa39bbc43e7a44d8704faae4bc4adb0127255b4a3189b49bc22f5c396b47d45b06f069abd215a208be411cfa3e187