Static task
static1
Behavioral task
behavioral1
Sample
2024-02-20_cb61e21e34b9f55aa639d6e971fbc1a3_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-20_cb61e21e34b9f55aa639d6e971fbc1a3_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-20_cb61e21e34b9f55aa639d6e971fbc1a3_cryptolocker
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Size
86KB
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MD5
cb61e21e34b9f55aa639d6e971fbc1a3
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SHA1
5a7806bafe7d340dcb94faea239c25525b898e93
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SHA256
97079da34857abea16bb61b83352d5f3d31d5e9ccd8c3a358efcc344a9d1a3c9
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SHA512
5e4913a9851ae1354e3b971707a07f2a2c3bd1ca8dfee5ecc25b19d45e90a10657248f52b520ac6f1b2dece724a32246676694521d35db39c26336ff98a97bd3
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvxgns:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8ys
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 2024-02-20_cb61e21e34b9f55aa639d6e971fbc1a3_cryptolocker
Files
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2024-02-20_cb61e21e34b9f55aa639d6e971fbc1a3_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