Behavioral task
behavioral1
Sample
2024-04-24_7526bdae8bbcb67ec3af6718d3bd14e8_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-04-24_7526bdae8bbcb67ec3af6718d3bd14e8_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-24_7526bdae8bbcb67ec3af6718d3bd14e8_cryptolocker
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Size
87KB
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MD5
7526bdae8bbcb67ec3af6718d3bd14e8
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SHA1
95c6c776cec0499ddc3cd5a53ddd5ffc2aad8397
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SHA256
1336f241e885c356def093b037818ad3795f62587eee5874b230118d751b450e
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SHA512
8bddff86a108c2b46f585c97d8e60fd0605dc7e8ad9dc591696b88e4b3d55bb988cb79b7eb8ee3ecb2dcecf474ba7cfdddcc9a612716ba406bf00aaebafe5d93
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwMg58:AnBdOOtEvwDpj6zS
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 2024-04-24_7526bdae8bbcb67ec3af6718d3bd14e8_cryptolocker unpack001/out.upx
Files
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2024-04-24_7526bdae8bbcb67ec3af6718d3bd14e8_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