Behavioral task
behavioral1
Sample
2024-02-20_d87f7054a97933505f2220db1ba6e152_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-20_d87f7054a97933505f2220db1ba6e152_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-20_d87f7054a97933505f2220db1ba6e152_cryptolocker
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Size
110KB
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MD5
d87f7054a97933505f2220db1ba6e152
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SHA1
8608afa21354e7765e07fb04e519cd7816bfe665
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SHA256
ed74e83ddd72e963b4899fca04bd087cbd0a4e114b4346516ff659a154c3d9c4
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SHA512
10726e42d089b5ed20c0a4302548764aac0674e9541dee504abef2ee5444861bfd5e9cc3762ab46eb6051b532f08da8915e044b00ba02f6f7c36763e0a2d70c6
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjCGYQbN/PKwMgc:T6a+rdOOtEvwDpjLzI
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 2024-02-20_d87f7054a97933505f2220db1ba6e152_cryptolocker
Files
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2024-02-20_d87f7054a97933505f2220db1ba6e152_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