Static task
static1
Behavioral task
behavioral1
Sample
2024-02-23_27aa34ab7c4d74a6947a859692353db9_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-23_27aa34ab7c4d74a6947a859692353db9_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-23_27aa34ab7c4d74a6947a859692353db9_cryptolocker
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Size
101KB
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MD5
27aa34ab7c4d74a6947a859692353db9
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SHA1
81bd04819c8a2508b85690defb5673064632af5b
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SHA256
66f64c065715e6377ccf16865a5a86477480b6f2f6d0dd602510f260c8fb06ba
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SHA512
883b1aeabc63b9a5eb4f3c9282365934e5d99e7f227fac17acf4893cdb64fd62c0bf0baf739c6135ba61a41a6550b4e25cd783aff9b06db7307ad8514b21e625
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRiWjzUNu5tA:i5nkFGMOtEvwDpjNbwQEIikgNyA
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_MPress -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-02-23_27aa34ab7c4d74a6947a859692353db9_cryptolocker
Files
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2024-02-23_27aa34ab7c4d74a6947a859692353db9_cryptolocker.exe windows:5 windows x86 arch:x86
e021c9fc2c12265365fad587d43783fe
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
GetModuleHandleA
GetProcAddress
user32
EndPaint
gdi32
CreateFontIndirectA
Sections
.MPRESS1 Size: 10KB - Virtual size: 36KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.MPRESS2 Size: 1024B - Virtual size: 910B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 13KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE