Static task
static1
Behavioral task
behavioral1
Sample
2024-01-28_09c4567d2f249ccb7ab3d90d1ca37751_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-28_09c4567d2f249ccb7ab3d90d1ca37751_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-28_09c4567d2f249ccb7ab3d90d1ca37751_cryptolocker
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Size
37KB
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MD5
09c4567d2f249ccb7ab3d90d1ca37751
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SHA1
b1c4deaa0c166d449c732771f5a51aebdd61f5c4
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SHA256
21ad79ef718b2204048531d5de06e31fdef8ba3d8a042232f6afd9b4b3b9b19f
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SHA512
cb8c96008469a3d106463a89b1dec82191661ffa052deb29270bbf2fdd6400c72a9f01041089905840cd94e08ce6191f18a0c05a0ad0c9ef65180f9dd66fc961
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpj66BLbjG9Rva/ys:i5nkFGMOtEvwDpjR+vi7
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 2024-01-28_09c4567d2f249ccb7ab3d90d1ca37751_cryptolocker
Files
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2024-01-28_09c4567d2f249ccb7ab3d90d1ca37751_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