Behavioral task
behavioral1
Sample
2024-05-01_a8a8c89f26a7cb4ced8e7de693e3f979_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-01_a8a8c89f26a7cb4ced8e7de693e3f979_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-01_a8a8c89f26a7cb4ced8e7de693e3f979_cryptolocker
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Size
96KB
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MD5
a8a8c89f26a7cb4ced8e7de693e3f979
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SHA1
198cbd099b7ba5d64d756d176a7194528a7faa08
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SHA256
bcb922882042ac087b773f04dedbd8bc7f2dfc9bf19054a620466c70e451e358
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SHA512
852812fbe8b1e6e9d87d62529ca3182a2c515a429178fff6e0817d39eb87d43019bc2dfcc5f976975e2b72880ef5646f7501d037321fca3f32cf2e556fb54c7a
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/bj:zCsanOtEvwDpjB3
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 2024-05-01_a8a8c89f26a7cb4ced8e7de693e3f979_cryptolocker
Files
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2024-05-01_a8a8c89f26a7cb4ced8e7de693e3f979_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