Behavioral task
behavioral1
Sample
2024-02-18_e581521ac641d3d03f02533762410d28_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-18_e581521ac641d3d03f02533762410d28_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-18_e581521ac641d3d03f02533762410d28_cryptolocker
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Size
122KB
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MD5
e581521ac641d3d03f02533762410d28
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SHA1
8d9571c011b967f6fb77464d41f504f75ef2d10c
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SHA256
1a1cfdd0c77473349e43797ecf6d3952b0010d1c54ccc6c698517b25d72e21dc
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SHA512
99eeb5508bed49dd75f032095446964bd6cf91411286f901aa8f3b658976d36781f2cc63502df87d434b893ac0f5e73f988f98fdd107d50a417bf199b3a3e514
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgpwqWsviy6l:z6a+CdOOtEvwDpjcz5
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-02-18_e581521ac641d3d03f02533762410d28_cryptolocker
Files
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2024-02-18_e581521ac641d3d03f02533762410d28_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
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 20KB - 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
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE