Behavioral task
behavioral1
Sample
2024-05-21_b4657df72d00c4d153067f80b7cd0935_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-21_b4657df72d00c4d153067f80b7cd0935_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-21_b4657df72d00c4d153067f80b7cd0935_cryptolocker
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Size
60KB
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MD5
b4657df72d00c4d153067f80b7cd0935
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SHA1
a76499aae94b9c173bed4fe246f316cd31ad13be
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SHA256
20ad572c135fb472b04da01fd121df27f97e8950fa72bb42162bf3a2aab4c551
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SHA512
03f64baf124020d404f616e2b52240f2d4a5671e49207307856a1cb4257e64470e9797ec5751fda3123949bc990acf222d1d8349d6dd489a31c457d6a694dc5b
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SSDEEP
768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAP6py:H6QFElP6n+gou9cvMOtEvwDpjCpVXI
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 2024-05-21_b4657df72d00c4d153067f80b7cd0935_cryptolocker
Files
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2024-05-21_b4657df72d00c4d153067f80b7cd0935_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: 11KB - 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