Behavioral task
behavioral1
Sample
2024-06-04_cb8fe6c1d35190172f722f6cd6a46377_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-06-04_cb8fe6c1d35190172f722f6cd6a46377_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-06-04_cb8fe6c1d35190172f722f6cd6a46377_cryptolocker
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Size
56KB
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MD5
cb8fe6c1d35190172f722f6cd6a46377
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SHA1
1e6f457bd6d0837688d8643ce36441adc160a85a
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SHA256
a36978a3def82c1ddf67fc04822d3073b92ebf1812ff9492149b14c37df2f68e
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SHA512
a3e508386a7255dfc915f376e8da0f69f96c2dbeae3c796aba02f33a2624ef27a9e96da12ac68c613252782a48d71dfb1ec186c18eb30794d18df947eb5e163e
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlYT:bP9g/xtCS3Dxx0LT
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 2024-06-04_cb8fe6c1d35190172f722f6cd6a46377_cryptolocker
Files
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2024-06-04_cb8fe6c1d35190172f722f6cd6a46377_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