Static task
static1
Behavioral task
behavioral1
Sample
2024-02-18_f5c1860fb61c7d68e1ac33abf33f50f7_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-18_f5c1860fb61c7d68e1ac33abf33f50f7_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-18_f5c1860fb61c7d68e1ac33abf33f50f7_cryptolocker
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Size
39KB
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MD5
f5c1860fb61c7d68e1ac33abf33f50f7
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SHA1
981797a07ce6d1130a88c8b2c309ca47eea53f7b
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SHA256
33c6311f1a04eedc25a4d92c391967830e7872608bda2a2baa32d718c9f86c94
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SHA512
bf26361c60d62a97fde944c3a4b7f6dba2a0f615742d2b067eedab3676539c0f1a8ace473d5d2e7b116361b6e53f9c84265dc236dc5a7b85ab00361de0b72bab
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpj66BLbjG9Rva/yYU:i5nkFGMOtEvwDpjR+viHU
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 2024-02-18_f5c1860fb61c7d68e1ac33abf33f50f7_cryptolocker
Files
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2024-02-18_f5c1860fb61c7d68e1ac33abf33f50f7_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