Behavioral task
behavioral1
Sample
2024-06-19_ebf81924a12ab447af73ea5f48064a52_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-19_ebf81924a12ab447af73ea5f48064a52_cryptolocker.exe
Resource
win10v2004-20240611-en
General
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Target
2024-06-19_ebf81924a12ab447af73ea5f48064a52_cryptolocker
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Size
69KB
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MD5
ebf81924a12ab447af73ea5f48064a52
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SHA1
0e5421453ee50b03aa989884286bac248211760b
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SHA256
71fff62bb162393609794cce552b363840d824561ffc04f28719a639b3c6e3d1
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SHA512
b26afdaa6887b3e52f7bdddae72f2ace34582a0584eba9b2e0ab379f839c78b054a795665276fcfcb8e8864002698bafa557988fcd2fe5c50fa4734ba114299e
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SSDEEP
1536:quJu9cvMOtEvwDpjWYTjipvF2bx1PQAeL:78SEOtEvwDpjWYvQd2Py
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 -
Detection of Cryptolocker Samples 2 IoCs
resource yara_rule sample CryptoLocker_set1 static1/unpack001/out.upx CryptoLocker_set1 -
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 2024-06-19_ebf81924a12ab447af73ea5f48064a52_cryptolocker unpack001/out.upx
Files
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2024-06-19_ebf81924a12ab447af73ea5f48064a52_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: 32KB
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: 11KB - 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
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ