Behavioral task
behavioral1
Sample
2024-04-26_4a5b602a264bc3de60889f9c4829ad6d_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-26_4a5b602a264bc3de60889f9c4829ad6d_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-26_4a5b602a264bc3de60889f9c4829ad6d_cryptolocker
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Size
55KB
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MD5
4a5b602a264bc3de60889f9c4829ad6d
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SHA1
7daa2a3edb2f23584e0cbb51c6e58860bbfd6172
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SHA256
eea10c2bf5431f073fc3fa42528b95fb32c4fd807f3b51f4f83797b2489004ad
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SHA512
a58f6273d08e69a9b8f5c14b03a8aff9d2f8d233af70fcd7b91e618bdc0584cf9388453bfbb3e1f96280ed27e9df30b525e802a7024f9df8302a142e9eda2460
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+p:bP9g/xtCS3Dxx0Jp
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-04-26_4a5b602a264bc3de60889f9c4829ad6d_cryptolocker
Files
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2024-04-26_4a5b602a264bc3de60889f9c4829ad6d_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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