Behavioral task
behavioral1
Sample
2024-05-31_8dfe2cf98588c90b52e3302e2fee75c0_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-31_8dfe2cf98588c90b52e3302e2fee75c0_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-31_8dfe2cf98588c90b52e3302e2fee75c0_cryptolocker
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Size
85KB
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MD5
8dfe2cf98588c90b52e3302e2fee75c0
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SHA1
5e89c3ebe51a026704f519f6b26f0a05031adff9
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SHA256
a4d701d126566fb6479902b81aea4027df2e18d25dfac929c735eb7f31add09d
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SHA512
f66e547b55350fddfe7a06e9723f4c36c1748445c3caa2f84cc8bfd7825efc8e34fa134b2e9769ef0f288a5b838648b0ccadace9844f0c52cfffde01da327507
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1cl:zCsanOtEvwDpji
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 2024-05-31_8dfe2cf98588c90b52e3302e2fee75c0_cryptolocker
Files
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2024-05-31_8dfe2cf98588c90b52e3302e2fee75c0_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_CODE
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