Behavioral task
behavioral1
Sample
2024-02-22_a42c1522d19251234b98f2c9ed90f9c9_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-22_a42c1522d19251234b98f2c9ed90f9c9_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-22_a42c1522d19251234b98f2c9ed90f9c9_cryptolocker
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Size
105KB
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MD5
a42c1522d19251234b98f2c9ed90f9c9
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SHA1
6b65cc2bf3a4161f3261f606ab4179f6bb7081e3
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SHA256
f1bdb4b2c047ea616b5ef5338b535ffc1f507f0abf8f36244039fda87da2991c
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SHA512
3b9fc9097a48021b16e017b6eaa5a5d879a03fcfad0a76bd01f868f9a88c36f3b999c534072f69b0cbae88ae95ec85d2db3618460bf35cb0d3e661338c63dd99
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6GksaF: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 2024-02-22_a42c1522d19251234b98f2c9ed90f9c9_cryptolocker
Files
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2024-02-22_a42c1522d19251234b98f2c9ed90f9c9_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