Static task
static1
Behavioral task
behavioral1
Sample
2024-01-29_bef3682ba0cdf7b292f7b03f734b3b00_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-29_bef3682ba0cdf7b292f7b03f734b3b00_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-29_bef3682ba0cdf7b292f7b03f734b3b00_cryptolocker
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Size
39KB
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MD5
bef3682ba0cdf7b292f7b03f734b3b00
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SHA1
ab6be951f3ea51c24de82c5f4fdfb2e2089f0780
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SHA256
e624ecbc0092ca3004ccad206b20897873e9415babf1c78f0489ada09d9bf5a0
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SHA512
e02c5af8ddaefcfb80be9bf8f2564c48318b3f5d653f8f271247fad0bad785e10d74e7a0cff9909c87f86e0c16f28a544de50bc9de285354d753dd7b60018fe2
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SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvgpnH+:m5nkFNMOtEvwDpjG8hgpH+
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 2024-01-29_bef3682ba0cdf7b292f7b03f734b3b00_cryptolocker
Files
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2024-01-29_bef3682ba0cdf7b292f7b03f734b3b00_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