Behavioral task
behavioral1
Sample
2024-05-12_2882c2c139f8d42704fce08ea0903fe7_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-12_2882c2c139f8d42704fce08ea0903fe7_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-12_2882c2c139f8d42704fce08ea0903fe7_cryptolocker
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Size
24KB
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MD5
2882c2c139f8d42704fce08ea0903fe7
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SHA1
dc25947e3376f4c7d151091d4cb31b5907f9e6f1
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SHA256
81bacd3ad03917d79e5e3ac79aad402bae6367bed13e16ff01a95fd697e03e09
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SHA512
7ac80d3f8558bf249725957f0edfd73628ff5089a7d54f1153837dc614165dd55b851afa64e93f9286261ec0d7e4dfb460d6a363c3f462fa0ef41ca22947a5d9
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SSDEEP
384:bVCPwFRuFn65arz1ZhdaXFXSCVQTLfjDp6Hnpm:bVCPwFRo6CpwXFXSqQXfjAHU
Malware Config
Signatures
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Detection of CryptoLocker Variants 2 IoCs
resource yara_rule sample CryptoLocker_rule2 static1/unpack001/out.upx CryptoLocker_rule2 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 2024-05-12_2882c2c139f8d42704fce08ea0903fe7_cryptolocker unpack001/out.upx
Files
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2024-05-12_2882c2c139f8d42704fce08ea0903fe7_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
Sections
UPX0 Size: - 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
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out.upx.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
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ