Behavioral task
behavioral1
Sample
2024-05-15_826557a289da70913f1c127c34ff217e_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-15_826557a289da70913f1c127c34ff217e_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-15_826557a289da70913f1c127c34ff217e_cryptolocker
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Size
88KB
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MD5
826557a289da70913f1c127c34ff217e
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SHA1
752c634c01dd0647a0046d2003d57fe809b70ff6
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SHA256
32d6929cabe96be0935ffe54e34f8cd6872f8a72d5725a4171b55869f4727c71
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SHA512
91fb4d818ddcbbe7cf5e345dd05481f7f7fbb9117852627acac6035a39a92a19f666affdd180b8c0c9236a750d63ef7caa749ec9e5cb15d33c77901101dd5307
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgQ4:AnBdOOtEvwDpj6zj
Malware Config
Signatures
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Detection of CryptoLocker Variants 2 IoCs
resource yara_rule sample CryptoLocker_rule2 static1/unpack001/out.upx CryptoLocker_rule2 -
Detection of Cryptolocker Samples 2 IoCs
resource yara_rule sample CryptoLocker_set1 static1/unpack001/out.upx CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 2024-05-15_826557a289da70913f1c127c34ff217e_cryptolocker unpack001/out.upx
Files
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2024-05-15_826557a289da70913f1c127c34ff217e_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: - Virtual size: 32KB
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
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out.upx.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
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ