Behavioral task
behavioral1
Sample
2024-03-29_b3545a99daf97d5cdd255fadf1c28498_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-29_b3545a99daf97d5cdd255fadf1c28498_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-29_b3545a99daf97d5cdd255fadf1c28498_cryptolocker
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Size
65KB
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MD5
b3545a99daf97d5cdd255fadf1c28498
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SHA1
ba88b34859cfc6f5fd4fff5aa4b262531dabfa78
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SHA256
9887b0ba02eb22d8425acc2cc504f34f64c35980402d6a15ead912a8a84fa614
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SHA512
b54f47f2df1119cf2012a34e7ca9d3e91f99122761d8b394c1168964bf40aa5f11295d5ace7a82a2e2f1378ab81c053821fcd31cd4c0d9a80abe7902fb669a3b
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5K7SR4:zj+soPSMOtEvwDpj4kpmeLmBq
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 2024-03-29_b3545a99daf97d5cdd255fadf1c28498_cryptolocker
Files
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2024-03-29_b3545a99daf97d5cdd255fadf1c28498_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