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Analysis
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max time kernel
5s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
27/11/2022, 03:06
Static task
static1
Behavioral task
behavioral1
Sample
81e25cbec1be07bb69b70545a7b95afa4db090b7edddaf2fc8320b050d6659a8.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
81e25cbec1be07bb69b70545a7b95afa4db090b7edddaf2fc8320b050d6659a8.exe
Resource
win10v2004-20221111-en
General
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Target
81e25cbec1be07bb69b70545a7b95afa4db090b7edddaf2fc8320b050d6659a8.exe
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Size
2.5MB
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MD5
e03b309460f197de3b267757b8f7340b
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SHA1
194b75c7a80315db3a7d41b2f9c31d53bfb5b774
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SHA256
81e25cbec1be07bb69b70545a7b95afa4db090b7edddaf2fc8320b050d6659a8
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SHA512
7aadba5a701bea1057d7545e8e0557a806e09c2a92932ded1acc72630c4c82b2c63b61d45c6269771926730729dc5d11c9e378d55e5efd2a94109235c43762f7
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SSDEEP
49152:EGM4GOrnHwDQSkRfYNjX5+nCi1a67GV+d4L28hUZzqmZxPHvLm48fXW:RDGnkRWN+Ci067DeL2iUZz9ZdvyjfXW
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
pid Process 1728 81e25cbec1be07bb69b70545a7b95afa4db090b7edddaf2fc8320b050d6659a8.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
pid pid_target Process procid_target 1516 1728 WerFault.exe 15 -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1728 81e25cbec1be07bb69b70545a7b95afa4db090b7edddaf2fc8320b050d6659a8.exe 1728 81e25cbec1be07bb69b70545a7b95afa4db090b7edddaf2fc8320b050d6659a8.exe 1728 81e25cbec1be07bb69b70545a7b95afa4db090b7edddaf2fc8320b050d6659a8.exe 1728 81e25cbec1be07bb69b70545a7b95afa4db090b7edddaf2fc8320b050d6659a8.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1728 wrote to memory of 1516 1728 81e25cbec1be07bb69b70545a7b95afa4db090b7edddaf2fc8320b050d6659a8.exe 28 PID 1728 wrote to memory of 1516 1728 81e25cbec1be07bb69b70545a7b95afa4db090b7edddaf2fc8320b050d6659a8.exe 28 PID 1728 wrote to memory of 1516 1728 81e25cbec1be07bb69b70545a7b95afa4db090b7edddaf2fc8320b050d6659a8.exe 28 PID 1728 wrote to memory of 1516 1728 81e25cbec1be07bb69b70545a7b95afa4db090b7edddaf2fc8320b050d6659a8.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\81e25cbec1be07bb69b70545a7b95afa4db090b7edddaf2fc8320b050d6659a8.exe"C:\Users\Admin\AppData\Local\Temp\81e25cbec1be07bb69b70545a7b95afa4db090b7edddaf2fc8320b050d6659a8.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1728 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1728 -s 4602⤵
- Program crash
PID:1516
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
67KB
MD5d0f2416807f04c559e6394a0a4c7f1d1
SHA17df43ffa3716156d282b1e37d12dd1122f0a762c
SHA2560fe6a869cf220769a058f8d281f272ef72669e3587673e52b53f3f9650dcf1fc
SHA5128199c967ad813216f2ef3094a7614c9ccc95d35a817fc685cb7823f36cc97f0279bddd0ec0bb8f07ee2445476aaea35548516841ee9cde53a8be395515457799