Behavioral task
behavioral1
Sample
2024-01-25_f99d0c28e52597958c35ecd0ec00f55a_cryptolocker.exe
Resource
win7-20231215-en
General
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Target
2024-01-25_f99d0c28e52597958c35ecd0ec00f55a_cryptolocker
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Size
75KB
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MD5
f99d0c28e52597958c35ecd0ec00f55a
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SHA1
d61f6c25c65acea065a6d2f88dc83e16384177da
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SHA256
f68a0aa7625616b0e5d55f92dd68c55a7527289e2d2f1c8998a62b91281e6755
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SHA512
e8ccfdfd8dbe02e82408ea760ecc61f3d6eb100b101ab0c0bca5585ca95702e6ff6de1d1703d7c98c7f990a1051d7b56278e14dc0830dd2d53dc482e4ac78149
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBde:T6a+rdOOtEvwDpjNtE
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
Processes:
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
Processes:
resource yara_rule sample CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
Processes:
resource yara_rule sample UPX -
Processes:
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource 2024-01-25_f99d0c28e52597958c35ecd0ec00f55a_cryptolocker
Files
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2024-01-25_f99d0c28e52597958c35ecd0ec00f55a_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