Behavioral task
behavioral1
Sample
2024-05-23_cf3c8405f34a090881415a7de536d0fe_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-05-23_cf3c8405f34a090881415a7de536d0fe_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-23_cf3c8405f34a090881415a7de536d0fe_cryptolocker
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Size
56KB
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MD5
cf3c8405f34a090881415a7de536d0fe
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SHA1
8c71bc7acb60a3532bb74470140744e62c11d723
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SHA256
a4229cf0eae5ab37d70ba7f7f4628ddb095a86d6fc80f16307502ae98444f1c9
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SHA512
bdc4a4ef40bbce5ddb91becbf2c3d7e6bc5fc01fe0546b3a1bcd44ca92b094bae0ea0309bc5275a781cd492ca693e859a86c5c3984011ac9505a0ec0fb85b856
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjli:bP9g/xtCS3Dxx0l
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 2024-05-23_cf3c8405f34a090881415a7de536d0fe_cryptolocker
Files
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2024-05-23_cf3c8405f34a090881415a7de536d0fe_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