Static task
static1
Behavioral task
behavioral1
Sample
2024-01-29_77e10a8e14cbcdfd49a4dc31e783135a_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-29_77e10a8e14cbcdfd49a4dc31e783135a_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-29_77e10a8e14cbcdfd49a4dc31e783135a_cryptolocker
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Size
100KB
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MD5
77e10a8e14cbcdfd49a4dc31e783135a
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SHA1
6e8f04b2d12cde502411f6bf0c4dff20c3bde242
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SHA256
54ce6ff90c5bcef8d7f9d7e5a7cf63f7d6c4f6c3f8881c87cd0ee209141afd17
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SHA512
d5e2c402156dadeb599791569a42c6a8b04f92957edfa41934a5cbdcf3cda99bf288015c707576b85c18d4a5e52d158e0f774c3b491bf38bf766804ca06a0ffd
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRiWjzUNojlEU:i5nkFGMOtEvwDpjNbwQEIikgNyEU
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 2024-01-29_77e10a8e14cbcdfd49a4dc31e783135a_cryptolocker
Files
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2024-01-29_77e10a8e14cbcdfd49a4dc31e783135a_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