Static task
static1
Behavioral task
behavioral1
Sample
2024-04-15_1fe3a4db6135e9cc92dba6d7857198e6_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-15_1fe3a4db6135e9cc92dba6d7857198e6_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-15_1fe3a4db6135e9cc92dba6d7857198e6_cryptolocker
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Size
40KB
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MD5
1fe3a4db6135e9cc92dba6d7857198e6
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SHA1
8284de5f27a472ce2d342b1e28eb91c50327d81d
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SHA256
f4c9cd53b7f4bf020e2e505692b6d64e9378695ba53f4e4557e56c209bdd9129
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SHA512
ec0c950ed2178852f795356622c337143b8f3375efa43cbe76b83342786b651f1837fda3c0f73df3e19cd65268607f5fdca52ef5b21192e1510ee563a280106a
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpj66BLbjG9Rva/yYsK:i5nkFGMOtEvwDpjR+viHsK
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 2024-04-15_1fe3a4db6135e9cc92dba6d7857198e6_cryptolocker
Files
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2024-04-15_1fe3a4db6135e9cc92dba6d7857198e6_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