Behavioral task
behavioral1
Sample
2024-04-23_977c55f0b5f52b7cdd78504a4e8c26b9_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-23_977c55f0b5f52b7cdd78504a4e8c26b9_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-23_977c55f0b5f52b7cdd78504a4e8c26b9_cryptolocker
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Size
58KB
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MD5
977c55f0b5f52b7cdd78504a4e8c26b9
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SHA1
fe1315f0d51006fc3d6675e6a73ab9b4174955e3
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SHA256
ed6e89829585a2585a4131438a96fe8c794db2fdb5bbd6f24429d6cedf3bf9bd
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SHA512
9a25bd5e818eba609a83bad053429e5ccff623ee5e582238844439543b05779a578fc0068435cc98112761260c01c9393440941118ad30dcd2116a8ae93eecc1
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SSDEEP
768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAPt:H6QFElP6n+gou9cvMOtEvwDpjCpVXc
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 2024-04-23_977c55f0b5f52b7cdd78504a4e8c26b9_cryptolocker
Files
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2024-04-23_977c55f0b5f52b7cdd78504a4e8c26b9_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