Static task
static1
Behavioral task
behavioral1
Sample
2024-01-28_b22c9fb0c9dc83c4fee8abbb996194a1_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-28_b22c9fb0c9dc83c4fee8abbb996194a1_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-28_b22c9fb0c9dc83c4fee8abbb996194a1_cryptolocker
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Size
83KB
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MD5
b22c9fb0c9dc83c4fee8abbb996194a1
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SHA1
48e5f54480e482f1ccf9e34f1ae83a01b2df835f
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SHA256
a109e8c4b7ceb58552b974e045bbd7b516c5d1de6c957faf28f4bf895fa81c78
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SHA512
bed60504dccb53a07ecf13620bbffb64b5e2351a71a60f4f439c5526ec2f592ebd07bb7b289e7e98b70dbad079565fa5e000a89a03a1b9e0d4930ed2711d8e4a
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUv7G:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8y
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_b22c9fb0c9dc83c4fee8abbb996194a1_cryptolocker
Files
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2024-01-28_b22c9fb0c9dc83c4fee8abbb996194a1_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