Static task
static1
Behavioral task
behavioral1
Sample
2024-02-13_523b0d1c0c413093f192dcbe2603ee32_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-13_523b0d1c0c413093f192dcbe2603ee32_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-13_523b0d1c0c413093f192dcbe2603ee32_cryptolocker
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Size
100KB
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MD5
523b0d1c0c413093f192dcbe2603ee32
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SHA1
6389d19bf6fe2e4b4ef87cd1ce364eee1c669652
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SHA256
5b1319b11dd073588e3fe0418378cfa52d71f407aa182fe7adcb0c40b67b8c9b
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SHA512
c752c10e270dc999a3de45aba44c5d2122aaca92906508e5fee76204a0bcdfa20483ce30118aec14cc5e9a00bd73f364cff9ab601dfedd91b30b4d1c0cca9325
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRiWjzUNu5aAk:i5nkFGMOtEvwDpjNbwQEIikgNH
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 2024-02-13_523b0d1c0c413093f192dcbe2603ee32_cryptolocker
Files
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2024-02-13_523b0d1c0c413093f192dcbe2603ee32_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