Behavioral task
behavioral1
Sample
2024-01-27_f1f37bd46b389f771f9074da7708a3ed_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-27_f1f37bd46b389f771f9074da7708a3ed_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-27_f1f37bd46b389f771f9074da7708a3ed_cryptolocker
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Size
54KB
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MD5
f1f37bd46b389f771f9074da7708a3ed
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SHA1
f381203a55e3261e65c4e0d15d52ef2497eb464e
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SHA256
bfa1feb1d3e34384e56690f97e0137be58a88a748f7ee272f5bd36fcbe64af47
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SHA512
b6ebe86917ce432fae47b8fcad605b08678d1278a8534bc8af8566f9e276c3f242be2b3b19857473da9a65c26057491c66a9c017ac6361db48956e57822aee20
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5axcE2:z6QFElP6n+gKmddpMOtEvwDpj9aYa52
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 2024-01-27_f1f37bd46b389f771f9074da7708a3ed_cryptolocker
Files
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2024-01-27_f1f37bd46b389f771f9074da7708a3ed_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