Static task
static1
Behavioral task
behavioral1
Sample
2024-02-03_a2af5a8b387006c7c312ff29f7ba390c_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-03_a2af5a8b387006c7c312ff29f7ba390c_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-03_a2af5a8b387006c7c312ff29f7ba390c_cryptolocker
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Size
83KB
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MD5
a2af5a8b387006c7c312ff29f7ba390c
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SHA1
9b877c00a53670d2685c554bd7905ae46e313214
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SHA256
322c8722a5c8935e0489cfdb94e2e0d0226060c79cfa632a919255b1531bcf28
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SHA512
f761db82e4179aed77bf99e8c5c5280b9ecd99f7518b93e0afa4e00523e2cbfef581ed9be029d5e32bc5feb3fb6cc81b7c33ad96486b7c3a488e7a0897fa9e29
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvA:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8A
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 2024-02-03_a2af5a8b387006c7c312ff29f7ba390c_cryptolocker
Files
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2024-02-03_a2af5a8b387006c7c312ff29f7ba390c_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