Analysis
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max time kernel
117s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
27-01-2024 22:45
Static task
static1
Behavioral task
behavioral1
Sample
2024-01-27_3eaf43660984acc58b70fe351b04ffb8_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-27_3eaf43660984acc58b70fe351b04ffb8_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-27_3eaf43660984acc58b70fe351b04ffb8_cryptolocker.exe
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Size
64KB
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MD5
3eaf43660984acc58b70fe351b04ffb8
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SHA1
b70779c9cf71991d02032205223ef9f79135ed56
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SHA256
faa5209f878cc4ba343f3e3ec7da1608f243615d46121b420a230a5cee32b999
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SHA512
f1a7d4dc16013be057c69fb144b8ba62208913bc40ec109f2f71e0d981e15aa60d67069bca264c7bde7ea0857c7add43ce1e983bc531b0b35728439ae469114e
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SSDEEP
384:x0VkMq01bJ3wtEwPS8HLEh+Jagz+3be+26a3WDjRYp055TOtOOtEvwDpjqIGR5d:xQz7yVEhs9+44R1bytOOtEvwDpjW
Malware Config
Signatures
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Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule behavioral1/memory/2956-0-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress -
Program crash 1 IoCs
pid pid_target Process procid_target 2968 2956 WerFault.exe 27 -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2956 wrote to memory of 2968 2956 2024-01-27_3eaf43660984acc58b70fe351b04ffb8_cryptolocker.exe 28 PID 2956 wrote to memory of 2968 2956 2024-01-27_3eaf43660984acc58b70fe351b04ffb8_cryptolocker.exe 28 PID 2956 wrote to memory of 2968 2956 2024-01-27_3eaf43660984acc58b70fe351b04ffb8_cryptolocker.exe 28 PID 2956 wrote to memory of 2968 2956 2024-01-27_3eaf43660984acc58b70fe351b04ffb8_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-01-27_3eaf43660984acc58b70fe351b04ffb8_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-27_3eaf43660984acc58b70fe351b04ffb8_cryptolocker.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2956 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2956 -s 362⤵
- Program crash
PID:2968
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