Behavioral task
behavioral1
Sample
2024-03-27_c25ebaa8e81cbee2cf760d2754464333_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-27_c25ebaa8e81cbee2cf760d2754464333_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-27_c25ebaa8e81cbee2cf760d2754464333_cryptolocker
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Size
105KB
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MD5
c25ebaa8e81cbee2cf760d2754464333
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SHA1
35f3f3e6c37c35e80bdcec56a61a87a4133d850b
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SHA256
1d966bb11d7d8d4b23e4727ffdb5910e8180e107118ba13069b09282cc5c358c
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SHA512
c22ce767226aa4b44984c7fa7e3d22c16918c4d96f66acc5e89b2a8f681372e92440aff947d7d735af588cbbb7c3503fa0690a2d82171c7566a571d26b4bf0ba
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6GksX:1nK6a+qdOOtEvwDpjX
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 2024-03-27_c25ebaa8e81cbee2cf760d2754464333_cryptolocker
Files
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2024-03-27_c25ebaa8e81cbee2cf760d2754464333_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