Behavioral task
behavioral1
Sample
2024-05-23_c9f64694a8e0f4e3525d3c69755cd3f5_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-23_c9f64694a8e0f4e3525d3c69755cd3f5_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-23_c9f64694a8e0f4e3525d3c69755cd3f5_cryptolocker
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Size
57KB
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MD5
c9f64694a8e0f4e3525d3c69755cd3f5
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SHA1
c31518faf3c4c7e6d41790a19eef17541770f653
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SHA256
7b9a6d3c884490b12a399387b279f9684d03ba6b34cae059eaf8024c22bfb996
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SHA512
a6bcfd9feefdf02c39286ed90f3b70ea9751fca398bc4ac9521cf29400d2b7ba73359b27215f0e687f2ba952c947da280984c52605d3e19d28857d36ca9dfefe
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjln:bP9g/xtCS3Dxx0U
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_c9f64694a8e0f4e3525d3c69755cd3f5_cryptolocker
Files
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2024-05-23_c9f64694a8e0f4e3525d3c69755cd3f5_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