Static task
static1
Behavioral task
behavioral1
Sample
2024-02-13_cb99a96305f8a30412362e8111ba9fd2_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-13_cb99a96305f8a30412362e8111ba9fd2_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-13_cb99a96305f8a30412362e8111ba9fd2_cryptolocker
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Size
47KB
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MD5
cb99a96305f8a30412362e8111ba9fd2
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SHA1
e7d61da5247601215c629acfdbb4c86e289f3d2f
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SHA256
6266d332fc7ec44f680a5dd5f09b67f88d714b1edd26aa52eb42aef66ddceed7
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SHA512
1f44483b057e9ada6705cb469f452c7339ff3baf19be996f32f50167c5411bab6758058bcf3c108f148d81e08d847c338d3144e3160c2ec690edd43a07e53ff2
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SSDEEP
384:icX+ni9VCr5nQI021q4VQBqURYp055TOtOOtEvwDpjqIGR/hHi7/OlI0G/7Ioqc:XS5nQJ24LR1bytOOtEvwDpjNbP/Moqc
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 2024-02-13_cb99a96305f8a30412362e8111ba9fd2_cryptolocker
Files
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2024-02-13_cb99a96305f8a30412362e8111ba9fd2_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