Behavioral task
behavioral1
Sample
2024-05-14_8f1b570c3ef65e9a96b112d3e3c1f500_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-14_8f1b570c3ef65e9a96b112d3e3c1f500_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-14_8f1b570c3ef65e9a96b112d3e3c1f500_cryptolocker
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Size
56KB
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MD5
8f1b570c3ef65e9a96b112d3e3c1f500
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SHA1
5a50c0cd371e89a732d1a18cf0406b901f7dceea
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SHA256
ca4cea394cd7dfbff09f53dea1c9dde485eb5d06840740415145ad3c4e5f82e6
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SHA512
bbc5f24ee9193cf53ce4cdc17915bbd236bd7253d8e764005db973090bee8c153133dfd11536097fbc06460eb603dede4b375382c5ef875dea6e181c202447da
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlbQ9HEA:bP9g/xtCS3Dxx0AQlj
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 2024-05-14_8f1b570c3ef65e9a96b112d3e3c1f500_cryptolocker
Files
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2024-05-14_8f1b570c3ef65e9a96b112d3e3c1f500_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