Analysis
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max time kernel
58s -
max time network
50s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
28-04-2024 08:52
Static task
static1
Behavioral task
behavioral1
Sample
Seven.exe
Resource
win10v2004-20240426-en
General
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Target
Seven.exe
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Size
139KB
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MD5
6503f847c3281ff85b304fc674b62580
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SHA1
947536e0741c085f37557b7328b067ef97cb1a61
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SHA256
afd7657f941024ef69ca34d1e61e640c5523b19b0fad4dcb1c9f1b01a6fa166f
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SHA512
abc3b32a1cd7d0a60dd7354a9fcdff0bc37ec8a20bb2a8258353716d820f62d343c6ba9385ba893be0cca981bbb9ab4e189ccfeee6dd77cc0dc723e975532174
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SSDEEP
3072:miS4omp03WQthI/9S3BZi08iRQ1G78IVn27bSfcJd8lto:miS4ompB9S3BZi0a1G78IVhcTct
Malware Config
Signatures
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Processes:
Seven.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection Seven.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" Seven.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" Seven.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" Seven.exe -
Processes:
Seven.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLua = "1" Seven.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "1" Seven.exe -
Blocks application from running via registry modification 1 IoCs
Adds application to list of disallowed applications.
Processes:
Seven.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1" Seven.exe -
Disables RegEdit via registry modification 1 IoCs
Processes:
Seven.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" Seven.exe -
Disables Task Manager via registry modification
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Disables cmd.exe use via registry modification 1 IoCs
Processes:
Seven.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableCMD = "1" Seven.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Seven.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\Control Panel\International\Geo\Nation Seven.exe -
Processes:
Seven.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" Seven.exe -
Processes:
Seven.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLua Seven.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLua = "1" Seven.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 1620 powershell.exe 1620 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 1620 powershell.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
Seven.exedescription pid process target process PID 2036 wrote to memory of 1620 2036 Seven.exe powershell.exe PID 2036 wrote to memory of 1620 2036 Seven.exe powershell.exe -
System policy modification 1 TTPs 3 IoCs
Processes:
Seven.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "1" Seven.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLua = "1" Seven.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1" Seven.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\Seven.exe"C:\Users\Admin\AppData\Local\Temp\Seven.exe"1⤵
- Modifies Windows Defender Real-time Protection settings
- UAC bypass
- Blocks application from running via registry modification
- Disables RegEdit via registry modification
- Disables cmd.exe use via registry modification
- Checks computer location settings
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2036 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" Get-MpPreference -verbose2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1620
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5pdpn3ge.avx.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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memory/1620-0-0x000002413EB80000-0x000002413EBA2000-memory.dmpFilesize
136KB
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memory/1620-12-0x000002413EC50000-0x000002413EC60000-memory.dmpFilesize
64KB
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memory/1620-11-0x000002413EC50000-0x000002413EC60000-memory.dmpFilesize
64KB
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memory/1620-10-0x00007FFAE4D60000-0x00007FFAE5821000-memory.dmpFilesize
10.8MB
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memory/1620-15-0x00007FFAE4D60000-0x00007FFAE5821000-memory.dmpFilesize
10.8MB