Static task
static1
Behavioral task
behavioral1
Sample
2024-01-27_fd8c40a391ebd9167052c1e00b810873_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-27_fd8c40a391ebd9167052c1e00b810873_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-27_fd8c40a391ebd9167052c1e00b810873_cryptolocker
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Size
99KB
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MD5
fd8c40a391ebd9167052c1e00b810873
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SHA1
e710575d38e50cb3f16836a62ef1cfa38abef831
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SHA256
8a829f9f7c78f1e2041a9b1f3a8bd7016c1bc35b982d2ec7329505f1c4027dc1
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SHA512
bbbc9364a83241507e0fd2471716e75e26a574c570c8ef76b823e643c33e5b49ec43c562e76077802373da106ef275a95cc91aef7190230c46b597e9f3d5ad9e
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRiWjzUNs:i5nkFGMOtEvwDpjNbwQEIikgNs
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 2024-01-27_fd8c40a391ebd9167052c1e00b810873_cryptolocker
Files
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2024-01-27_fd8c40a391ebd9167052c1e00b810873_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