Analysis
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max time kernel
119s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
01-02-2024 09:45
Static task
static1
Behavioral task
behavioral1
Sample
869395ac2a88f6de036daf942d0b86d9.exe
Resource
win7-20231215-en
General
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Target
869395ac2a88f6de036daf942d0b86d9.exe
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Size
913KB
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MD5
869395ac2a88f6de036daf942d0b86d9
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SHA1
42fbe6f668153bcb850c13677efe924e835c229f
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SHA256
cd72f8f3af6f9d098b3da55db5f7869ab75ec679e0c302f790faffc0fa6c47b5
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SHA512
e2e8492442edcfec16553def0cae3361f744bc8f095b4863dbc745ac3e72c75e1be83bbb0bb69da4f74fcaaba2b35123222706508c0d1f0e05e22cbcb75390d9
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SSDEEP
24576:rMYtHtnX4mHxjdibimBr4aOCZv4NPjgcwmIlSklG9:dtHtnX4mHObiMr4HCZvRzlJl
Malware Config
Signatures
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Contains code to disable Windows Defender 2 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
resource yara_rule behavioral1/files/0x000d0000000122e6-5.dat disable_win_def behavioral1/memory/2440-9-0x0000000000D10000-0x0000000000DFA000-memory.dmp disable_win_def -
Detects Eternity stealer 2 IoCs
resource yara_rule behavioral1/files/0x000d0000000122e6-5.dat eternity_stealer behavioral1/memory/2440-9-0x0000000000D10000-0x0000000000DFA000-memory.dmp eternity_stealer -
Eternity
Eternity Project is a malware kit offering an info stealer, clipper, worm, coin miner, ransomware, and DDoS bot.
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection tmp3DCB.tmp.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" tmp3DCB.tmp.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" tmp3DCB.tmp.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" tmp3DCB.tmp.exe -
Executes dropped EXE 1 IoCs
pid Process 2440 tmp3DCB.tmp.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features tmp3DCB.tmp.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2676 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2512 869395ac2a88f6de036daf942d0b86d9.exe Token: SeDebugPrivilege 2440 tmp3DCB.tmp.exe Token: SeDebugPrivilege 2676 powershell.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2512 wrote to memory of 2440 2512 869395ac2a88f6de036daf942d0b86d9.exe 28 PID 2512 wrote to memory of 2440 2512 869395ac2a88f6de036daf942d0b86d9.exe 28 PID 2512 wrote to memory of 2440 2512 869395ac2a88f6de036daf942d0b86d9.exe 28 PID 2440 wrote to memory of 2676 2440 tmp3DCB.tmp.exe 29 PID 2440 wrote to memory of 2676 2440 tmp3DCB.tmp.exe 29 PID 2440 wrote to memory of 2676 2440 tmp3DCB.tmp.exe 29 PID 2440 wrote to memory of 1656 2440 tmp3DCB.tmp.exe 31 PID 2440 wrote to memory of 1656 2440 tmp3DCB.tmp.exe 31 PID 2440 wrote to memory of 1656 2440 tmp3DCB.tmp.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\869395ac2a88f6de036daf942d0b86d9.exe"C:\Users\Admin\AppData\Local\Temp\869395ac2a88f6de036daf942d0b86d9.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2512 -
C:\Users\Admin\AppData\Local\Temp\tmp3DCB.tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp3DCB.tmp.exe"2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2440 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" Get-MpPreference -verbose3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2676
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2440 -s 7883⤵PID:1656
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
904KB
MD55bc9eac8653703bf899d63f49466773e
SHA149fc8ed3bf850f9f4f59dba04dd7a2ae453334b1
SHA25602c72fe8fc25c0069b619cbfe9bd223af3b791db1ceff2b37dbb0b5697c2306d
SHA5120709490737c0b3fc46f107a74e2a9f62705006c596280af31b23fe6ec20a0e411af294af569f0204ea20111152c47de2f13fab4f0f724f36c90ebd78ba05d352