Static task
static1
Behavioral task
behavioral1
Sample
2024-03-19_c75d840b5bd3ab1db569990cc91f7e9c_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-03-19_c75d840b5bd3ab1db569990cc91f7e9c_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-19_c75d840b5bd3ab1db569990cc91f7e9c_cryptolocker
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Size
41KB
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MD5
c75d840b5bd3ab1db569990cc91f7e9c
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SHA1
fa1b2f584a5d1445035d410b8cda84c39a25d232
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SHA256
49edb353f0bf4c8390768070f56c2cb5ba4d3fd17a0521911e52471e2164d980
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SHA512
ef04132177b124f77fcfc499d99d8331969a1b0d0c4188124716405b50299d2f6ec7a703d86aba21d4c71f5531540430799c93e06b413e256c32ca0a6901f0f2
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SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvhx5/xFRTUm:m5nkFNMOtEvwDpjG8hhX/
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 2024-03-19_c75d840b5bd3ab1db569990cc91f7e9c_cryptolocker
Files
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2024-03-19_c75d840b5bd3ab1db569990cc91f7e9c_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