Behavioral task
behavioral1
Sample
691c928f9f2b87f8ec8fbd53051e5f21_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
691c928f9f2b87f8ec8fbd53051e5f21_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
691c928f9f2b87f8ec8fbd53051e5f21_cryptolocker_JC.exe
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Size
82KB
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MD5
691c928f9f2b87f8ec8fbd53051e5f21
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SHA1
b7ac4c30407aadf57368a61de915fc44dde060a4
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SHA256
a52b275fb1db52f755e9d975e3c1c277685f5a288a545a592bb9cf1cef348038
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SHA512
b4248084985340c688b2163bf5e95dc9f0a8d91020b1902ae5afd15211e19b6fa2ab3daed4fdb3b886b4964300cef70fe1ecc36d0c15dcff6317551e102af827
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOTp:T6a+rdOOtEvwDpjNJ
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 691c928f9f2b87f8ec8fbd53051e5f21_cryptolocker_JC.exe
Files
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691c928f9f2b87f8ec8fbd53051e5f21_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
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
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
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE