Static task
static1
Behavioral task
behavioral1
Sample
2024-02-12_3d7d5d2e500b671e2cb971c1f4e5414f_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-12_3d7d5d2e500b671e2cb971c1f4e5414f_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-12_3d7d5d2e500b671e2cb971c1f4e5414f_cryptolocker
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Size
50KB
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MD5
3d7d5d2e500b671e2cb971c1f4e5414f
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SHA1
cfa884adee5433391b4e4a25ca3b3b6a5dc83518
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SHA256
ed3e51d49aa3a71a897d48fe70adca127ba20da630d7053618863ed3ecc580dd
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SHA512
5c86d2b8a48a5d45505dde14cc80a0635fc2f10cb572ee82888726d62d15c3d043eccb5e185815bc09e43e79ed7288fc49da86d966924da72012a658e585dd0c
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MzF3F+:i5nkFGMOtEvwDpjNbwQEqY
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 2024-02-12_3d7d5d2e500b671e2cb971c1f4e5414f_cryptolocker
Files
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2024-02-12_3d7d5d2e500b671e2cb971c1f4e5414f_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