Static task
static1
Behavioral task
behavioral1
Sample
2024-03-20_9ef2b49bd12b03e11502f0b26f8670b7_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-20_9ef2b49bd12b03e11502f0b26f8670b7_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-20_9ef2b49bd12b03e11502f0b26f8670b7_cryptolocker
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Size
40KB
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MD5
9ef2b49bd12b03e11502f0b26f8670b7
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SHA1
1a0fd4025e141825bbaece106ca7dc99df540f52
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SHA256
291335d5f0d4837fff0393264559776f2fa05d2e4b4f7229f34b1c3788b19c01
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SHA512
d728511e48c607c24e68a542aa1f695f231b79ebe7d9826f7c9b539b2085cc8b6cfff722e18eec849d7b7c242d00f7e9f52bdf035dbb7a795230d03f71aa4e55
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SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvhx5/xFRpptB:m5nkFNMOtEvwDpjG8hhXzzB
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 2024-03-20_9ef2b49bd12b03e11502f0b26f8670b7_cryptolocker
Files
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2024-03-20_9ef2b49bd12b03e11502f0b26f8670b7_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