Behavioral task
behavioral1
Sample
2024-02-24_4fbff1bc4c1c6d3276de3471c5af1b2d_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-02-24_4fbff1bc4c1c6d3276de3471c5af1b2d_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-24_4fbff1bc4c1c6d3276de3471c5af1b2d_cryptolocker
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Size
72KB
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MD5
4fbff1bc4c1c6d3276de3471c5af1b2d
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SHA1
22c6934b5e7662bd123debf6e2e5dba03ad654f5
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SHA256
b4f11a0dfb750be6ac809f88381dacd46b5b37f4f7aba391428af3e9bb08babf
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SHA512
9fa34dbad46737671a4e53d3b1ed8dec70874c3b90c22d381914135d95e142155ce3f917c9a164ada92f3c5335ae5162d7754a50c87bc3b64ba41e1eceee27cc
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsaleFf:1nK6a+qdOOtEvwDpjp
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 2024-02-24_4fbff1bc4c1c6d3276de3471c5af1b2d_cryptolocker
Files
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2024-02-24_4fbff1bc4c1c6d3276de3471c5af1b2d_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