Behavioral task
behavioral1
Sample
2024-05-28_721d743cb9a877a73462b4bde72c89db_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-28_721d743cb9a877a73462b4bde72c89db_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-28_721d743cb9a877a73462b4bde72c89db_cryptolocker
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Size
53KB
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MD5
721d743cb9a877a73462b4bde72c89db
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SHA1
d921bcbdf6520fdae802bc9e4c8bf7ca57016f35
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SHA256
e4419dac028c015c6154f3bf14c8ceac805d3b9a88b320eb5b50d63e220ec141
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SHA512
0953a43cd4f33408d676efa0b7f6fd3ff50449e40034dd9027aeab36cff1e9f4266c3cf8c08a76eb33215791952cce3a023d1b6d949ddff4bc2e64d58c06a174
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOka1:z6QFElP6n+gKmddpMOtEvwDpj31ik+
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 2024-05-28_721d743cb9a877a73462b4bde72c89db_cryptolocker
Files
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2024-05-28_721d743cb9a877a73462b4bde72c89db_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
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 20KB - Virtual size: 32KB
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