Static task
static1
Behavioral task
behavioral1
Sample
2024-03-15_cf48f195fa471f48aa548e7b8cfa559d_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-15_cf48f195fa471f48aa548e7b8cfa559d_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-15_cf48f195fa471f48aa548e7b8cfa559d_cryptolocker
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Size
5.5MB
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MD5
cf48f195fa471f48aa548e7b8cfa559d
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SHA1
1e51a4e22b536ef16fe66b9f8a8082292cfc3705
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SHA256
13586a437079f977e709d8f5423d22fa924391c02920935efcfc7680e6727df5
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SHA512
7aba2d2fe2faaad62d2914951e6e7e7f1aa23d26ae9fcd62208974df2ff4a77b0f76e0bdddc1440ca43928a7aaf2a3105ff28c40c0deb2190dbecb0db89fc0a1
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SSDEEP
98304:B2TI98GkoP+kfhZ5Tgm7jdwg+Zl3dKxikhFmg+47eggcgiP05h2Vp:OI1PvfhfhOZzkzmg+8egrghs
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-03-15_cf48f195fa471f48aa548e7b8cfa559d_cryptolocker
Files
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2024-03-15_cf48f195fa471f48aa548e7b8cfa559d_cryptolocker.exe windows:5 windows x86 arch:x86
d234aa15b2f3e24689c37424e8f7571e
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
Imports
user32
PostQuitMessage
CharUpperBuffW
kernel32
GetLastError
GetSystemTimeAsFileTime
LocalAlloc
LocalFree
GetModuleFileNameW
ExitProcess
LoadLibraryA
GetModuleHandleA
GetProcAddress
gdi32
CreateFontIndirectA
Sections
.text Size: - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pky Size: - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.Ppc Size: - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.htext Size: - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.Irc Size: - Virtual size: 3.0MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
."Z. Size: 1024B - Virtual size: 976B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.%fA Size: 5.5MB - Virtual size: 5.5MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ