Static task
static1
Behavioral task
behavioral1
Sample
2024-03-07_a3ddc7687bbcfe6cb2756ba480aef55b_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-07_a3ddc7687bbcfe6cb2756ba480aef55b_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-07_a3ddc7687bbcfe6cb2756ba480aef55b_cryptolocker
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Size
40KB
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MD5
a3ddc7687bbcfe6cb2756ba480aef55b
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SHA1
4c4b3fb1c70f2f605da5c37c78d61704f2f4e0e2
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SHA256
ea81cc2e3781dee49b76b7dc8e57fe12352f2f50445776bd3dce7875794b4319
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SHA512
f42cb86655709fa7e43a1d6ac40a013087773bc727b8b119a16c3280a1447c769135212a408a14b4ba66fb632171b80d7dc602b50f8d7b6f20ccc7fff26f0548
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpj66BLtldJQp3v2B:i5nkFGMOtEvwDpjn/JQxU
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 2024-03-07_a3ddc7687bbcfe6cb2756ba480aef55b_cryptolocker
Files
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2024-03-07_a3ddc7687bbcfe6cb2756ba480aef55b_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