Static task
static1
Behavioral task
behavioral1
Sample
2024-02-03_dc5aac533d5e66c86d25f3969ceb4f6f_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-03_dc5aac533d5e66c86d25f3969ceb4f6f_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-03_dc5aac533d5e66c86d25f3969ceb4f6f_cryptolocker
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Size
39KB
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MD5
dc5aac533d5e66c86d25f3969ceb4f6f
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SHA1
535c4dde11f89cd0b02aba5c0d4eadef1dba723c
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SHA256
c4a9e24b6bba9312dbf08de22140f344ab4a5e332ec93472935fd5a1d308d60c
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SHA512
7596aca98504444556463dc908f7127b83a8851e9937abae5ee199fef4240fdbf3ac6aed62d4cc2511c3f3107c827fe969032a90969d2af5011ea0853de34c04
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SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvhx5/xFR809:m5nkFNMOtEvwDpjG8hhXf9
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 2024-02-03_dc5aac533d5e66c86d25f3969ceb4f6f_cryptolocker
Files
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2024-02-03_dc5aac533d5e66c86d25f3969ceb4f6f_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