Behavioral task
behavioral1
Sample
2024-09-07_40f715e6ee4923b3bf2ff426b8f3e7a6_cryptolocker.exe
Resource
win7-20240903-en
General
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Target
2024-09-07_40f715e6ee4923b3bf2ff426b8f3e7a6_cryptolocker
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Size
39KB
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MD5
40f715e6ee4923b3bf2ff426b8f3e7a6
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SHA1
5e94b0251178028ddcab49bc5bbff6f7a6a339c8
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SHA256
e5326237e84114c7b328cc29d772da79a8cbc2ad283ffd7efb343d4ffb552713
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SHA512
3e0d4195bdf0dd392247e964f2336442fe7c9a167bdddf81ad3ed1fb940a9d4686558d7e64c21f0a60941bff0061848065fd87b8a115d9ccf873f184bf60a6b5
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SSDEEP
768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5axK3D+:qUmnpomddpMOtEvwDpjjaYaQS
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 2024-09-07_40f715e6ee4923b3bf2ff426b8f3e7a6_cryptolocker unpack001/out.upx
Files
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2024-09-07_40f715e6ee4923b3bf2ff426b8f3e7a6_cryptolocker.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ