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Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
06/11/2024, 07:17
Behavioral task
behavioral1
Sample
0x0007000000016d42-20.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
0x0007000000016d42-20.exe
Resource
win10v2004-20241007-en
General
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Target
0x0007000000016d42-20.exe
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Size
75KB
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MD5
8d6e86e6e799c75bd5123534bdbf411b
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SHA1
9fc526e97077ed2a5e78371fdab5ab7ecf789368
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SHA256
7892c9f14967696e15b99b3eac66d65643357c9a4315f5e8210c8437c6617888
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SHA512
8cd6e706c3f36d7cb1d6eed3717fd3e96863b6fcf4ee3425f7b08823b8dc364a1de215b578310a3d1fddd98f9eb648ddeafd85d8a2feed399d46fba7dba09265
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SSDEEP
1536:2Z6tgBI11qoEgGBfCDYsN+bT0IrgLSUtmf6/rhtOs4eJ9SYUh:2Z1I11qoGBgYA+bgIEOe9htOs4eJjO
Malware Config
Extracted
xworm
45.145.41.178:1111
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Install_directory
%AppData%
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install_file
Windows Defender Notification.exe
Signatures
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Detect Xworm Payload 2 IoCs
resource yara_rule behavioral2/memory/5056-1-0x00000000006A0000-0x00000000006BA000-memory.dmp family_xworm behavioral2/files/0x000e000000023c9d-59.dat family_xworm -
Xworm family
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Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 5076 powershell.exe 5116 powershell.exe 1492 powershell.exe 1756 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation 0x0007000000016d42-20.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows Defender Notification.lnk 0x0007000000016d42-20.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows Defender Notification.lnk 0x0007000000016d42-20.exe -
Executes dropped EXE 2 IoCs
pid Process 3028 Windows Defender Notification.exe 1668 Windows Defender Notification.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Defender Notification = "C:\\Users\\Admin\\AppData\\Roaming\\Windows Defender Notification.exe" 0x0007000000016d42-20.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2984 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 5076 powershell.exe 5076 powershell.exe 5116 powershell.exe 5116 powershell.exe 1492 powershell.exe 1492 powershell.exe 1756 powershell.exe 1756 powershell.exe 5056 0x0007000000016d42-20.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeDebugPrivilege 5056 0x0007000000016d42-20.exe Token: SeDebugPrivilege 5076 powershell.exe Token: SeDebugPrivilege 5116 powershell.exe Token: SeDebugPrivilege 1492 powershell.exe Token: SeDebugPrivilege 1756 powershell.exe Token: SeDebugPrivilege 5056 0x0007000000016d42-20.exe Token: SeDebugPrivilege 3028 Windows Defender Notification.exe Token: SeDebugPrivilege 1668 Windows Defender Notification.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 5056 0x0007000000016d42-20.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 5056 wrote to memory of 5076 5056 0x0007000000016d42-20.exe 90 PID 5056 wrote to memory of 5076 5056 0x0007000000016d42-20.exe 90 PID 5056 wrote to memory of 5116 5056 0x0007000000016d42-20.exe 93 PID 5056 wrote to memory of 5116 5056 0x0007000000016d42-20.exe 93 PID 5056 wrote to memory of 1492 5056 0x0007000000016d42-20.exe 96 PID 5056 wrote to memory of 1492 5056 0x0007000000016d42-20.exe 96 PID 5056 wrote to memory of 1756 5056 0x0007000000016d42-20.exe 98 PID 5056 wrote to memory of 1756 5056 0x0007000000016d42-20.exe 98 PID 5056 wrote to memory of 2984 5056 0x0007000000016d42-20.exe 100 PID 5056 wrote to memory of 2984 5056 0x0007000000016d42-20.exe 100 -
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\0x0007000000016d42-20.exe"C:\Users\Admin\AppData\Local\Temp\0x0007000000016d42-20.exe"1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5056 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\0x0007000000016d42-20.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5076
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '0x0007000000016d42-20.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5116
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Windows Defender Notification.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1492
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Windows Defender Notification.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1756
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Windows Defender Notification" /tr "C:\Users\Admin\AppData\Roaming\Windows Defender Notification.exe"2⤵
- Scheduled Task/Job: Scheduled Task
PID:2984
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C:\Users\Admin\AppData\Roaming\Windows Defender Notification.exe"C:\Users\Admin\AppData\Roaming\Windows Defender Notification.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3028
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C:\Users\Admin\AppData\Roaming\Windows Defender Notification.exe"C:\Users\Admin\AppData\Roaming\Windows Defender Notification.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1668
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
654B
MD52ff39f6c7249774be85fd60a8f9a245e
SHA1684ff36b31aedc1e587c8496c02722c6698c1c4e
SHA256e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
SHA5121d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1
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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
944B
MD56d3e9c29fe44e90aae6ed30ccf799ca8
SHA1c7974ef72264bbdf13a2793ccf1aed11bc565dce
SHA2562360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d
SHA51260c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a
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Filesize
944B
MD522310ad6749d8cc38284aa616efcd100
SHA1440ef4a0a53bfa7c83fe84326a1dff4326dcb515
SHA25655b1d8021c4eb4c3c0d75e3ed7a4eb30cd0123e3d69f32eeb596fe4ffec05abf
SHA5122ef08e2ee15bb86695fe0c10533014ffed76ececc6e579d299d3365fafb7627f53e32e600bb6d872b9f58aca94f8cb7e1e94cdfd14777527f7f0aa019d9c6def
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Filesize
944B
MD50c03ce8073050ea905ae4e2f74e2570e
SHA1a6874536c7b1d14ccbe17aab8cdf6066811db319
SHA2566eb25b99c26e8ea2fe4210e11d2173694fa08400f577625bd3c40d54621e37df
SHA512fa695a4932bab2a68a670be457e6eb05b1c1a16f0a750bea9fadbd6cd9b2a6536ac46baeed12cbb45e8b63b6822466b74778b4a4fbdce948cb9455ebc36a471b
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
75KB
MD58d6e86e6e799c75bd5123534bdbf411b
SHA19fc526e97077ed2a5e78371fdab5ab7ecf789368
SHA2567892c9f14967696e15b99b3eac66d65643357c9a4315f5e8210c8437c6617888
SHA5128cd6e706c3f36d7cb1d6eed3717fd3e96863b6fcf4ee3425f7b08823b8dc364a1de215b578310a3d1fddd98f9eb648ddeafd85d8a2feed399d46fba7dba09265