Behavioral task
behavioral1
Sample
2024-04-28_bb83284628057f912c416c82ed2184ed_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-28_bb83284628057f912c416c82ed2184ed_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-28_bb83284628057f912c416c82ed2184ed_cryptolocker
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Size
23KB
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MD5
bb83284628057f912c416c82ed2184ed
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SHA1
05a6e459b5aecc4c190e578f56e64466385487e1
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SHA256
6eae90c9a355e12569af2ef3d2a96d24e7a9ac70264b19cb2d333d1e08aff8f2
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SHA512
adc4e1b2013b6f2ba86687ef9b6b34f69442ea60617b8d7cdb3ff7257e774abd63557552c88ef6a4bccf88ac96329ddf7cf86a3cc0c810515dc8773309cc8c90
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SSDEEP
384:bVCPwFRuFn65arz1ZhdaXFXSCVQTLfjDp6Hne:bVCPwFRo6CpwXFXSqQXfjAHe
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 2024-04-28_bb83284628057f912c416c82ed2184ed_cryptolocker unpack001/out.upx
Files
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2024-04-28_bb83284628057f912c416c82ed2184ed_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