Behavioral task
behavioral1
Sample
2024-05-16_b888b8d92155f83bba963c2f114f33f0_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-16_b888b8d92155f83bba963c2f114f33f0_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-16_b888b8d92155f83bba963c2f114f33f0_cryptolocker
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Size
41KB
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MD5
b888b8d92155f83bba963c2f114f33f0
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SHA1
e09025f3fd645b5816730bbbab966a9e10d02b7a
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SHA256
715c98a0a01ac5ce45937a34a9f4bb2935a67e14daeab536922e942adea6b27e
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SHA512
8b873bcc8c53a5caf389b47eb176c1228d7c0564abcef9c4c4bb6980a56510948211faec3e856d0345e49daf2f1637538fb6dd90766f21c0b0e0f6a22b24488f
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SSDEEP
384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKHB6J:ba74zYcgT/EkdCQgpwXFXSqQXfj0xK8J
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-05-16_b888b8d92155f83bba963c2f114f33f0_cryptolocker
Files
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2024-05-16_b888b8d92155f83bba963c2f114f33f0_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: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - 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