Behavioral task
behavioral1
Sample
2024-04-04_b4a47364af10a4b802b547c626dfd357_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-04_b4a47364af10a4b802b547c626dfd357_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-04_b4a47364af10a4b802b547c626dfd357_cryptolocker
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Size
106KB
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MD5
b4a47364af10a4b802b547c626dfd357
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SHA1
d1d1c1cd898db36a9f38cd2b1ff72bb963f07079
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SHA256
b9f87c7b389eac15e532b758bfe469140d5f711e5a9e1760210e0b166ea8416a
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SHA512
8d77066c2809eadc867909732190acc94800fa4dc9288cb8ffb4ad2ad933ba0f4567891dff301382f8402c615771ef67eb586607c645114dd8ed28ccd1b5e83d
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6GksS:1nK6a+qdOOtEvwDpjS
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 2024-04-04_b4a47364af10a4b802b547c626dfd357_cryptolocker
Files
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2024-04-04_b4a47364af10a4b802b547c626dfd357_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: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ap0x Size: 1024B - Virtual size: 785B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE