Behavioral task
behavioral1
Sample
2024-04-24_c4f58af67a5403db7da338a08dfaeb75_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-24_c4f58af67a5403db7da338a08dfaeb75_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-24_c4f58af67a5403db7da338a08dfaeb75_cryptolocker
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Size
54KB
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MD5
c4f58af67a5403db7da338a08dfaeb75
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SHA1
ce7379dd8c490b81b9f84c8450cb669e8faafeb2
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SHA256
a73bdaa19897e8a08c5429e498dc506ed9a13fa2f582cca91a81588ce255e78c
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SHA512
06e4d3c6550fc9ea93c8409050ed65c6adaaf08791772a42b9490a6b2920c1ce23583a3f87d59976b5b4376d01aac8d5f62b5014d9b9a19fbf523154d6a27874
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUj1:bP9g/xtCS3Dxx08
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 2024-04-24_c4f58af67a5403db7da338a08dfaeb75_cryptolocker
Files
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2024-04-24_c4f58af67a5403db7da338a08dfaeb75_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