Behavioral task
behavioral1
Sample
2024-04-22_41a34508ff6c9dcd34c1c71b8ca1ee3e_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-22_41a34508ff6c9dcd34c1c71b8ca1ee3e_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-22_41a34508ff6c9dcd34c1c71b8ca1ee3e_cryptolocker
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Size
78KB
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MD5
41a34508ff6c9dcd34c1c71b8ca1ee3e
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SHA1
ffa01bf7d3d8589ac3eec1ce1c1da905a26c61d3
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SHA256
f035025c213b0f59c4894e16ef58acc46df92af0a3e9db67e762d2062d043a79
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SHA512
b3ab53473dce4c673b9a51917e0c442f53d24acf545eb58ba581c29584a0b71cb21a978c088d239f5bdb4c8872993fdcdc6d3bfd880026c9998db85c9712d89c
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOA+YSafiPuqz:T6a+rdOOtEvwDpjNcY
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 2024-04-22_41a34508ff6c9dcd34c1c71b8ca1ee3e_cryptolocker
Files
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2024-04-22_41a34508ff6c9dcd34c1c71b8ca1ee3e_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