Static task
static1
Behavioral task
behavioral1
Sample
2024-02-04_77fb268528c08b4e776c8b81cc681aa7_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-04_77fb268528c08b4e776c8b81cc681aa7_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-04_77fb268528c08b4e776c8b81cc681aa7_cryptolocker
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Size
39KB
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MD5
77fb268528c08b4e776c8b81cc681aa7
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SHA1
85e82d6b8cbebc810f66f43c7cf44a34499790b1
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SHA256
3fe6f35f1c197a6ff2f637f7245cb778a7061bd6a25de3bc396a5d4b6155a9c2
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SHA512
233421c3bd651a8f7b37cb59a3d2462e4abc4f97a80182e0bec8148c48786c6730508f866ac5f42c418d9f5cf13ebb0321f0f63a64ff4ef64e47038010a7febf
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SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvhx5/xFR4:m5nkFNMOtEvwDpjG8hhXG
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 2024-02-04_77fb268528c08b4e776c8b81cc681aa7_cryptolocker
Files
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2024-02-04_77fb268528c08b4e776c8b81cc681aa7_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: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE