Behavioral task
behavioral1
Sample
2024-04-30_a20b0bff9547a4cd3b07441c6e1f08eb_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-30_a20b0bff9547a4cd3b07441c6e1f08eb_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-30_a20b0bff9547a4cd3b07441c6e1f08eb_cryptolocker
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Size
64KB
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MD5
a20b0bff9547a4cd3b07441c6e1f08eb
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SHA1
789e050005769a715b3b199c63a3dfc9aa2a1286
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SHA256
1285802afe2aa367443cf49cf03c7a11139d200e3fd2c9bb53457dd8b4152f4d
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SHA512
d51705967d47a1990efe3da01b5d952c5e3ca91bd2cff6105bb606c2cae0aafe88659a2c25d7006b7f74ed3e11fb0a33e9720db6fa2943ca825ed42d1e19d3a9
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYibAo3:1nK6a+qdOOtEvwDpjZ
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-04-30_a20b0bff9547a4cd3b07441c6e1f08eb_cryptolocker
Files
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2024-04-30_a20b0bff9547a4cd3b07441c6e1f08eb_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: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ap0x Size: 1024B - Virtual size: 785B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE