Static task
static1
Behavioral task
behavioral1
Sample
2024-03-25_a2f4ee1182234a193b540c263b2517e8_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-25_a2f4ee1182234a193b540c263b2517e8_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-25_a2f4ee1182234a193b540c263b2517e8_cryptolocker
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Size
41KB
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MD5
a2f4ee1182234a193b540c263b2517e8
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SHA1
fcf12b0a45d901ddb61b05c23331fb5bdd610a0a
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SHA256
8bed8032d6f9953a29d5b6582cb25111e86335876b6e4c4756c51ebaebbd323c
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SHA512
3afbf8e1356ae15dfbbe8993a6297bc94c4eb55b696aed5a3c5183e2c2207aed7df3fb14e4ae2a26f3a66d2d3e891151f46e6e6db23b485309b7e6b0ff437b8b
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SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvhx5/xFRY+iyr:m5nkFNMOtEvwDpjG8hhXy+iyr
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 2024-03-25_a2f4ee1182234a193b540c263b2517e8_cryptolocker
Files
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2024-03-25_a2f4ee1182234a193b540c263b2517e8_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