Behavioral task
behavioral1
Sample
2024-03-20_876c08bb32258f0a3142d44561af8853_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-20_876c08bb32258f0a3142d44561af8853_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-20_876c08bb32258f0a3142d44561af8853_cryptolocker
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Size
108KB
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MD5
876c08bb32258f0a3142d44561af8853
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SHA1
34865d1bccb90097e9c721b122a13bbbfb62f261
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SHA256
9309128af4decf709722cf8359337243a50cbbefbcfbfcf3fbf6fd638754e542
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SHA512
733c3be898a8588a1ad7dcc0034891e9c8659f42091b2161382d1a53fafaf133f731c992182a34f41ac4543046e9faff2adaf4b810ab90289d07dd95e8c60b02
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6Gkszf8b:1nK6a+qdOOtEvwDpjE
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 2024-03-20_876c08bb32258f0a3142d44561af8853_cryptolocker
Files
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2024-03-20_876c08bb32258f0a3142d44561af8853_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