Behavioral task
behavioral1
Sample
2024-04-30_c1517ab3e279a96b05c979ef6e933da4_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-30_c1517ab3e279a96b05c979ef6e933da4_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-30_c1517ab3e279a96b05c979ef6e933da4_cryptolocker
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Size
55KB
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MD5
c1517ab3e279a96b05c979ef6e933da4
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SHA1
343f81675c7bd29726ed6e25eb2d1c7f1fc2bf8c
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SHA256
9fff190e21212a3ede2f745891bd6bb348206d00fd5b4f37f0d51808f3abde38
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SHA512
e29bfc504fc4fd6cf026bfd5f59dd25b38a7e852df13a5c079c58cfeba5b37d1e5dc51197accdfa5de5cfc3ec7254a5973937d84044338feb17f1922064db342
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlgzP:bP9g/xtCS3Dxx0nP
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 2024-04-30_c1517ab3e279a96b05c979ef6e933da4_cryptolocker
Files
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2024-04-30_c1517ab3e279a96b05c979ef6e933da4_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