Behavioral task
behavioral1
Sample
2024-05-03_1037d2968e8f212e205ecac66c120a24_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-05-03_1037d2968e8f212e205ecac66c120a24_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-03_1037d2968e8f212e205ecac66c120a24_cryptolocker
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Size
21KB
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MD5
1037d2968e8f212e205ecac66c120a24
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SHA1
b2e775f4e60fab450db2a9cacb92a37c6e7c0a06
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SHA256
099b7acafd797885040285a973daae056d264dca78d307d23d3da1de9631354b
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SHA512
9d0c2e1a4112f011174975caac0aa9d7cd589d44f41286f026c13ad6f1ef6b1b0019a311c38fed407eb9fa7a83c7064efdc9cfd0c9ddcb2299acab0bc7b7e346
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SSDEEP
384:bVCPwFRuFn65arz1ZhdaXFXSCVQTLfjDp6d:bVCPwFRo6CpwXFXSqQXfjAd
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 2024-05-03_1037d2968e8f212e205ecac66c120a24_cryptolocker unpack001/out.upx
Files
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2024-05-03_1037d2968e8f212e205ecac66c120a24_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