Behavioral task
behavioral1
Sample
2024-04-15_994ae19e5893670e39a576f5674bc2e9_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-15_994ae19e5893670e39a576f5674bc2e9_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-15_994ae19e5893670e39a576f5674bc2e9_cryptolocker
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Size
36KB
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MD5
994ae19e5893670e39a576f5674bc2e9
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SHA1
a81cc98f3d2186ce38a48d978ee8728220a9e383
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SHA256
f13e4c4eafde4f15a81e921f5af75faaaa0a04f7c831c13bcbb5f483a6271384
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SHA512
dfbb2ce2e41edd9d99b1084aff905fc321847fd68e5d525617703a7cc557467a2e3ab4cfc3a42ebc12aae9bc3bc430a2a41452356fc5d5d96b86bdd98939d3c5
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SSDEEP
768:b7W5A8WtijKeOcfXor3BPOz5CFBmNuFgi:b7W5AWjTGx0w
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 -
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 2024-04-15_994ae19e5893670e39a576f5674bc2e9_cryptolocker unpack001/out.upx
Files
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2024-04-15_994ae19e5893670e39a576f5674bc2e9_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: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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: 10KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 10KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ