Behavioral task
behavioral1
Sample
991570482865a86d9c29b2807efa280c_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
991570482865a86d9c29b2807efa280c_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
991570482865a86d9c29b2807efa280c_cryptolocker_JC.exe
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Size
32KB
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MD5
991570482865a86d9c29b2807efa280c
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SHA1
2fa3824e5de1ce94a503e33263dcd5a3688d8a73
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SHA256
9462a443c00b6311cd720ba954b943795256a5c24934a54e7777f95baecc02b5
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SHA512
2418e64f4a332a88aed1840d5647d20f91db87c3b1a4b530707b4cc3d0781e0fab3c8ee61502b7c7a3b9931ce99cb3e8f5fd92c97a6fc856018257fe2da35b0c
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SSDEEP
768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLa7o1B:qUmnpomddpMOtEvwDpjjaeB
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 991570482865a86d9c29b2807efa280c_cryptolocker_JC.exe unpack001/out.upx
Files
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991570482865a86d9c29b2807efa280c_cryptolocker_JC.exe.exe windows 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: 10KB - 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 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
.reloc Size: 1024B - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ