Behavioral task
behavioral1
Sample
2024-02-12_5b4fe491395f949e358e71434a4b7cf8_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-12_5b4fe491395f949e358e71434a4b7cf8_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-12_5b4fe491395f949e358e71434a4b7cf8_cryptolocker
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Size
79KB
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MD5
5b4fe491395f949e358e71434a4b7cf8
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SHA1
f5ac5ed8b096a321ca2bd6e005bed772908839f8
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SHA256
484ef5a59cddbdb038ee141f9975bcb6e40558b3ea05c0a0d57e6aa88c42cd6e
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SHA512
3b31c96b79cd944293b6756d202d114cfc31d6b193342b46cf11999d0a70314eab97fac0ac653976d3d4b9873e198b83f21e0ed1a33d87f947a3a35164df3edf
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyhuqi:zCsanOtEvwDpjl
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
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 2024-02-12_5b4fe491395f949e358e71434a4b7cf8_cryptolocker
Files
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2024-02-12_5b4fe491395f949e358e71434a4b7cf8_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: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - 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