Static task
static1
Behavioral task
behavioral1
Sample
2024-06-03_99aa19a3baa6cd60c75af32a3e5c0ace_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-03_99aa19a3baa6cd60c75af32a3e5c0ace_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-06-03_99aa19a3baa6cd60c75af32a3e5c0ace_cryptolocker
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Size
43KB
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MD5
99aa19a3baa6cd60c75af32a3e5c0ace
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SHA1
998a815ef1f18388f9da1f9017bafd023b40bbc9
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SHA256
2f5b894cc35ac7c6e3929d14cbdb9bd19c30f4e14898546d8793b091415a4616
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SHA512
b01ca63d58729ab1ee71ece039a7e1288cb3f29246f4f84229cf6c39f02e245bb130a25aa634968aa6225b1c8a33cd41a2369866a1bab4716650fd76ed19908b
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SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvgpnY1n9V:m5nkFNMOtEvwDpjG8hgpY19V
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 2024-06-03_99aa19a3baa6cd60c75af32a3e5c0ace_cryptolocker
Files
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2024-06-03_99aa19a3baa6cd60c75af32a3e5c0ace_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