Behavioral task
behavioral1
Sample
2024-05-30_ec898823e7100b7d7e4b665868577df3_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-05-30_ec898823e7100b7d7e4b665868577df3_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-05-30_ec898823e7100b7d7e4b665868577df3_cryptolocker
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Size
21KB
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MD5
ec898823e7100b7d7e4b665868577df3
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SHA1
3d06f29fdb336631d0ea39348ad8d82d157ba8b9
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SHA256
3f42ef598cf9678b283c202455cf8ca63e83cdfa26c9537e89181ba03ace41e3
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SHA512
3872f88387bfb7b247430b5b37be37f5a8644267127dcfc1b073bcf37c92fb5d19b8edc2a4a2418cab60f66ba2348cfdfa338f3fbbf3304d2fff2e2c229c1733
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SSDEEP
384:bVCPwFRuFn65arz1ZhdaXFXSCVQTLfjDp6k:bVCPwFRo6CpwXFXSqQXfjAk
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 2024-05-30_ec898823e7100b7d7e4b665868577df3_cryptolocker unpack001/out.upx
Files
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2024-05-30_ec898823e7100b7d7e4b665868577df3_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