Static task
static1
Behavioral task
behavioral1
Sample
2024-02-20_4a22f436b886b68a177230cd3c9c88df_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-20_4a22f436b886b68a177230cd3c9c88df_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-20_4a22f436b886b68a177230cd3c9c88df_cryptolocker
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Size
86KB
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MD5
4a22f436b886b68a177230cd3c9c88df
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SHA1
79c937500f708f73877b86ad2d582aa33abbbecf
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SHA256
1f0bb7baa46d372378cdc2ce5bf68eb92c8e3846aed02bea04edffe9f85ac8cf
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SHA512
08734911dc54c265c7915c426a4aefed58ec57a008eca1e82f8ababda1a4cf04d49b0cb5700198b9e6abda293e4096c894c6335596378cd6017610695bd5b7c5
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvAcl:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8Acl
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 2024-02-20_4a22f436b886b68a177230cd3c9c88df_cryptolocker
Files
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2024-02-20_4a22f436b886b68a177230cd3c9c88df_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