Static task
static1
Behavioral task
behavioral1
Sample
2024-04-23_f4af51be1d25214983f036cffdf0bab4_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-04-23_f4af51be1d25214983f036cffdf0bab4_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-23_f4af51be1d25214983f036cffdf0bab4_cryptolocker
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Size
40KB
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MD5
f4af51be1d25214983f036cffdf0bab4
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SHA1
a10dd4f9465a73525d1857a448183fd7b4d93499
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SHA256
c697cf5476665a27fdffdf42c328096b1435cbc6f7c861fe36c7a67dff72715c
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SHA512
f95ee065a80b6834914c2a01165f0a7044b7cb2947faac3c25a4a5bc698b0ca07e2b71f1b5340234063bae8697f23f8f3698def79182e600a5a66c59c8952db0
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SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvhx5/xFRI:m5nkFNMOtEvwDpjG8hhXW
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 2024-04-23_f4af51be1d25214983f036cffdf0bab4_cryptolocker
Files
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2024-04-23_f4af51be1d25214983f036cffdf0bab4_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