Behavioral task
behavioral1
Sample
2024-01-23_a3edc6c109937620557ad9b3aadc75ab_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-23_a3edc6c109937620557ad9b3aadc75ab_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-23_a3edc6c109937620557ad9b3aadc75ab_cryptolocker
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Size
64KB
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MD5
a3edc6c109937620557ad9b3aadc75ab
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SHA1
a5eef177a54a4cfc19b09d961e12f3ec68819897
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SHA256
e383a05c1405172e2121069e9eee8b6814e6b4f80ba3fd5e18d3d29492092b81
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SHA512
a6e89bf4ff4038d43b5bb94d815a12bb8fd56af87ab573f477c6c01051748bfdefc03e7ae24b87c422c06b0295add89c73e09d03c86d760075e746c205f76c9c
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gXGum/kLyMro2GtOOtEvwDpj/:z6QFElP6n+gX/mddpMOtEvwDpj
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 2024-01-23_a3edc6c109937620557ad9b3aadc75ab_cryptolocker
Files
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2024-01-23_a3edc6c109937620557ad9b3aadc75ab_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