Static task
static1
Behavioral task
behavioral1
Sample
2024-02-18_f20937953a4e077a1682ed5ea92d5216_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-18_f20937953a4e077a1682ed5ea92d5216_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-18_f20937953a4e077a1682ed5ea92d5216_cryptolocker
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Size
86KB
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MD5
f20937953a4e077a1682ed5ea92d5216
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SHA1
2b81fbd4c16bb6a35f61e96deb234086e4b7f414
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SHA256
a7f2ce1edb8c1dc7276e61f642fb3a73fa7a92a8bfd608e9bd82c20a333ad9a2
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SHA512
3397fd4cd53588bc49158837a0737ab24ead16070261c1e42c5e57125ba108d9e32101b8b760a3716a4d0f4e873cb8f38cf6134e63f7473d5c1d2bf0e803c712
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvAc4:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8Ac4
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 2024-02-18_f20937953a4e077a1682ed5ea92d5216_cryptolocker
Files
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2024-02-18_f20937953a4e077a1682ed5ea92d5216_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