Behavioral task
behavioral1
Sample
2024-03-14_a5784ae3f3f0da038cc90e355d57be75_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-14_a5784ae3f3f0da038cc90e355d57be75_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-14_a5784ae3f3f0da038cc90e355d57be75_cryptolocker
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Size
57KB
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MD5
a5784ae3f3f0da038cc90e355d57be75
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SHA1
0f4c06538782d54319e56c4865a997c7b3085f8d
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SHA256
de4a3ea033e196c9ddeecd7d5a92dd2fd4967b207dce39a81cf75eb9b963ecd3
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SHA512
edde0cd1622b85d2aa171abd00a9b0a389d10cb225de872d5639fd4ab71d25739553d8dc710d49dc5c261fe6996ffe7b556843e25a79c61faca2d2bfced2c315
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5appr:z6QFElP6n+gKmddpMOtEvwDpj9aYa7
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 2024-03-14_a5784ae3f3f0da038cc90e355d57be75_cryptolocker
Files
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2024-03-14_a5784ae3f3f0da038cc90e355d57be75_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