Behavioral task
behavioral1
Sample
2024-05-24_b70fac87ec2a6faf3a25a8df55a2adb5_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-24_b70fac87ec2a6faf3a25a8df55a2adb5_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-24_b70fac87ec2a6faf3a25a8df55a2adb5_cryptolocker
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Size
66KB
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MD5
b70fac87ec2a6faf3a25a8df55a2adb5
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SHA1
4b541c0ec096a62fc1e636bd8888fb319f5bca01
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SHA256
139160ec03b676a6f1a0e81b4064e98add1e1c32ac645c6c5a9b0def2f5683f3
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SHA512
240967e1a6117b8c861cbc5fcd01228d4477097731ca207e837e6a5044c7be13fc5bcea6fff04a7626d7a1bd956f9f22457ad8f6e6be7629604fe5b3bfcec003
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5k5Bf:zj+soPSMOtEvwDpj4kpmeLmQ/f
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 2024-05-24_b70fac87ec2a6faf3a25a8df55a2adb5_cryptolocker
Files
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2024-05-24_b70fac87ec2a6faf3a25a8df55a2adb5_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