Behavioral task
behavioral1
Sample
2024-04-24_b8f0077ee709176fe4b2b747a9eeb2b8_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-24_b8f0077ee709176fe4b2b747a9eeb2b8_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-24_b8f0077ee709176fe4b2b747a9eeb2b8_cryptolocker
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Size
55KB
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MD5
b8f0077ee709176fe4b2b747a9eeb2b8
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SHA1
71ca090af8caf3af24033b65f99f7f3955353448
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SHA256
c3fa89b8ff711fcdc61ca2956835311e3492d7218c405f2c4e9abbf8b811773c
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SHA512
b5486d606ae117c3bee4ed6d4d1ffbd4faebe6a1048d2f187ad44f0e57847b891df76078c9ecea36787c7c650b6949bb1a946ded73253beb00d57612305c534d
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+hh:bP9g/xtCS3Dxx0Jhh
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-04-24_b8f0077ee709176fe4b2b747a9eeb2b8_cryptolocker
Files
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2024-04-24_b8f0077ee709176fe4b2b747a9eeb2b8_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: 17KB - 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
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE