Behavioral task
behavioral1
Sample
2024-02-27_2fc839c994acf259d6f7d3a925935c09_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-27_2fc839c994acf259d6f7d3a925935c09_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-27_2fc839c994acf259d6f7d3a925935c09_cryptolocker
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Size
104KB
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MD5
2fc839c994acf259d6f7d3a925935c09
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SHA1
f6d383dcaea8bd56540fdfa104fcdc7c37a65625
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SHA256
54e3918e6276e836d2d1482098ec7d874ee66a5fea6a59d802b5ebb959f21747
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SHA512
58c9c9416bb27889fb26da2f67021c46a2717ab1b14d25cc24c3a6e7c4ad0050417f1126bdc0fe76430ae639f621dc9cf1a3ebfccbd780bc8d0377d60d5ac8be
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6GksN:1nK6a+qdOOtEvwDpjN
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 2024-02-27_2fc839c994acf259d6f7d3a925935c09_cryptolocker
Files
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2024-02-27_2fc839c994acf259d6f7d3a925935c09_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