Static task
static1
Behavioral task
behavioral1
Sample
2024-02-20_4efd03d76a274e15162a8cc001e7721f_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-20_4efd03d76a274e15162a8cc001e7721f_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-20_4efd03d76a274e15162a8cc001e7721f_cryptolocker
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Size
40KB
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MD5
4efd03d76a274e15162a8cc001e7721f
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SHA1
81f39f1807c57ae0fd87d407edde7b42614b9b3b
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SHA256
0f2f462f0bdb823efd6e9e336133fde40c7357a7fbb828a1fa1a4fe1e6ac087e
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SHA512
26797f377a260e186c7d4e7102b5c02bae2ba7e1319eb3afc40b9301fac1ad712ad33bb80cdeb991140efdfd81785ccb4ae3314e0ed31797e2b9fef8359e2f28
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SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvhx5/xFRY/3j:m5nkFNMOtEvwDpjG8hhXy/T
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_4efd03d76a274e15162a8cc001e7721f_cryptolocker
Files
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2024-02-20_4efd03d76a274e15162a8cc001e7721f_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