Static task
static1
Behavioral task
behavioral1
Sample
2024-02-14_539fbedd5e8f054aa08074f89997c4ed_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-14_539fbedd5e8f054aa08074f89997c4ed_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-14_539fbedd5e8f054aa08074f89997c4ed_cryptolocker
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Size
38KB
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MD5
539fbedd5e8f054aa08074f89997c4ed
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SHA1
2c2df917f132881ae053231990182b5b01497f65
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SHA256
798a421cb3fb9432d3b41a75e534c0294810c4ffebe8c5dae1d30e41284b3ae2
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SHA512
d3d96eb3c8c739f25e3e597cf05ae6a071b694997cb586d7aa8c326d8e2d23dd4059bc7b3f978432ee26d95d3f92b9b67ff0fa4aa0440bb224fa8ecb479abf4f
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SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvhx5/xFRy:m5nkFNMOtEvwDpjG8hhXk
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 2024-02-14_539fbedd5e8f054aa08074f89997c4ed_cryptolocker
Files
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2024-02-14_539fbedd5e8f054aa08074f89997c4ed_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