Static task
static1
Behavioral task
behavioral1
Sample
2024-05-17_b71f038b9ab88a4ce1c4e0358398d674_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-17_b71f038b9ab88a4ce1c4e0358398d674_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-17_b71f038b9ab88a4ce1c4e0358398d674_cryptolocker
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Size
96KB
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MD5
b71f038b9ab88a4ce1c4e0358398d674
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SHA1
503eb9d19aab8adef09059580e864e34e2c89aba
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SHA256
2e27051203f0dea9c86ad7a61867b2aa96f4a3f7e492f0c5b60e4cb5758c6710
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SHA512
df82d4cec912e1217af51bec0f87c43cf1f4ae7bcb65f7bbaf0c1a8052d4fbce400a21ab92ae991e650384a90dc7222db95777cb6a00bf00459a3c8c1a199c7e
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRiWNa9mktJyqdOU:xj+VGMOtEvwDpjubwQEIiVmkuqcU
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 -
Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_MPress -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-17_b71f038b9ab88a4ce1c4e0358398d674_cryptolocker
Files
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2024-05-17_b71f038b9ab88a4ce1c4e0358398d674_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
.MPRESS1 Size: 17KB - Virtual size: 36KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.MPRESS2 Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 13KB - Virtual size: 16KB
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