Behavioral task
behavioral1
Sample
2024-02-18_b15cf2e778c5c9e93a6d40858d7aa125_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-18_b15cf2e778c5c9e93a6d40858d7aa125_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-18_b15cf2e778c5c9e93a6d40858d7aa125_cryptolocker
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Size
55KB
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MD5
b15cf2e778c5c9e93a6d40858d7aa125
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SHA1
872c22150a13592570e623c21043fdb816ee84cd
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SHA256
d349bfa2736c16db74b96b3f82a43ef3b51169b3a2f1cbc72a154faff444dfca
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SHA512
c73ddbea8cbf5d38fb396e635a32d26118573318a650b188f144404aca56d98ee9a0332331c17b4d9c126a3d224a7164b8ea44e6f8cf70fdef7cecb96bf49a34
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5ax85:z6QFElP6n+gKmddpMOtEvwDpj9aYak
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 2024-02-18_b15cf2e778c5c9e93a6d40858d7aa125_cryptolocker
Files
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2024-02-18_b15cf2e778c5c9e93a6d40858d7aa125_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_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