Behavioral task
behavioral1
Sample
2024-04-25_da37bd7ffb49a3828f9f2985a7584a56_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-25_da37bd7ffb49a3828f9f2985a7584a56_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-25_da37bd7ffb49a3828f9f2985a7584a56_cryptolocker
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Size
65KB
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MD5
da37bd7ffb49a3828f9f2985a7584a56
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SHA1
29a5314bce5f64ba74ec6c1bde55d55878286375
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SHA256
c02276c086a7ed46ccdc32bf453b0489bd88fffa9a9e286b146af828674ae08d
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SHA512
1faa70279d2f9bff701fc91920b8f8ed679ae8d3cfd678ad3682242b6314f5f73deb27e816133549fd846b635afe95b99f49d801252e0b82e9733f4ed7e1c6be
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5k5BL:zj+soPSMOtEvwDpj4kpmeLmQ/L
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 2024-04-25_da37bd7ffb49a3828f9f2985a7584a56_cryptolocker
Files
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2024-04-25_da37bd7ffb49a3828f9f2985a7584a56_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