Behavioral task
behavioral1
Sample
2024-02-22_a9f59ac9c9415b153963ad01d03de5f8_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-22_a9f59ac9c9415b153963ad01d03de5f8_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-22_a9f59ac9c9415b153963ad01d03de5f8_cryptolocker
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Size
81KB
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MD5
a9f59ac9c9415b153963ad01d03de5f8
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SHA1
9b3e17959f35a6d5d2f73346c7c4b525a6adbee0
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SHA256
d494bdca0922aee04ee1f2d460586eb9742c6f5c121d15c31cc2d402fba75210
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SHA512
2be8e2f1f37bb2bddd2b9c43912e930d38f942a688ff397be2f797780602d89600dac6ab722864e34da8dc9a337731433d8a098e1a3cc184a00e76979830ef82
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdeSR:T6a+rdOOtEvwDpjNt1
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_a9f59ac9c9415b153963ad01d03de5f8_cryptolocker
Files
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2024-02-22_a9f59ac9c9415b153963ad01d03de5f8_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_CODE
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