Behavioral task
behavioral1
Sample
2024-06-16_66d6e2db69d9639d45f1189eb1e603ed_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-06-16_66d6e2db69d9639d45f1189eb1e603ed_cryptolocker.exe
Resource
win10v2004-20240611-en
General
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Target
2024-06-16_66d6e2db69d9639d45f1189eb1e603ed_cryptolocker
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Size
43KB
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MD5
66d6e2db69d9639d45f1189eb1e603ed
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SHA1
640fb0773b0d720c6e25ff83cde2b0d1dcc1b7c8
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SHA256
6d1a996a1eb9d3bcb87479e3f7a1cce4b1b4bdc00bfd36a4e9dd46ec980dd813
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SHA512
95ff9cd31b0a290410cdd293715f040e266223736633848901d45e0781b07d4db39057432714a58c7fa242608154b9e98544abb51c9ad7af860ac32c04d82fcf
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SSDEEP
768:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKo3v:ba6YcA/Xk3wXFXSqAJCv
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 2024-06-16_66d6e2db69d9639d45f1189eb1e603ed_cryptolocker
Files
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2024-06-16_66d6e2db69d9639d45f1189eb1e603ed_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: 16KB - Virtual size: 28KB
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: 8KB - 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