Behavioral task
behavioral1
Sample
2024-02-24_eb31c66b51101fb06b57f6bde189afb6_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-24_eb31c66b51101fb06b57f6bde189afb6_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-24_eb31c66b51101fb06b57f6bde189afb6_cryptolocker
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Size
63KB
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MD5
eb31c66b51101fb06b57f6bde189afb6
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SHA1
741b08140e42d959b553be9cf5f1550e823c34fc
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SHA256
fc9ce151436c4cb475ccbc986be2c6c85ba8da3f331c87046ceb493c4b0c78fc
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SHA512
cc68306f0a5c6adb407c90a8897cdcbcbf76e9f8fb9c5e3f19980fb6f40081a0be6c0e1516f3f8dba0865185ac9b7f43148e307a2f908aa0b1886e879332dc64
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5K7hFiWi:zj+soPSMOtEvwDpj4kpmeLmWu
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 2024-02-24_eb31c66b51101fb06b57f6bde189afb6_cryptolocker
Files
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2024-02-24_eb31c66b51101fb06b57f6bde189afb6_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