Behavioral task
behavioral1
Sample
2024-02-23_88ec5bfddb4ae1929b614e0ef8d862a2_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-02-23_88ec5bfddb4ae1929b614e0ef8d862a2_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-23_88ec5bfddb4ae1929b614e0ef8d862a2_cryptolocker
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Size
56KB
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MD5
88ec5bfddb4ae1929b614e0ef8d862a2
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SHA1
4d3e60ab9c37723fa3b4ce87d654822711ec05f8
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SHA256
e29d3703dc0b1a080a48e337164c1b50f21e05377072ecfbb61f7cb79a78ede5
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SHA512
41e3f3046e112f0b8db9816ba15ef7c122347a98810a907acf67cfaa4c21aaec95649dc6831c811e0cfc8890d5109fd3eb87b888cafe0a77a483e029267aec88
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5axclc:z6QFElP6n+gKmddpMOtEvwDpj9aYaCc
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 2024-02-23_88ec5bfddb4ae1929b614e0ef8d862a2_cryptolocker
Files
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2024-02-23_88ec5bfddb4ae1929b614e0ef8d862a2_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