Static task
static1
Behavioral task
behavioral1
Sample
2024-05-21_5990091b19055221c3d1a9292bf4c6d8_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-05-21_5990091b19055221c3d1a9292bf4c6d8_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-21_5990091b19055221c3d1a9292bf4c6d8_cryptolocker
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Size
42KB
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MD5
5990091b19055221c3d1a9292bf4c6d8
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SHA1
0e847108ae35e02e45d35fa6cfb27093c183f48c
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SHA256
f3536ea0615b9d894553a2bb17c1aba5bf593316fc88bcd02bd9a72ce06fd7e8
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SHA512
19e5e479dd506c6140a7c00b1923e7d003576450f93223c5eccc6922886538e306d8e13a2a9f23b823c85eaed5aef942d015a53babf4ef84aaecaa68105a1d49
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpj66BLbjG9Rva/yYsZnH:i5nkFGMOtEvwDpjR+viHsp
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
Processes:
resource yara_rule sample CryptoLocker_rule2 -
Detects executables built or packed with MPress PE compressor 1 IoCs
Processes:
resource yara_rule sample INDICATOR_EXE_Packed_MPress -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource 2024-05-21_5990091b19055221c3d1a9292bf4c6d8_cryptolocker
Files
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2024-05-21_5990091b19055221c3d1a9292bf4c6d8_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