Analysis
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max time kernel
135s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
31-05-2024 13:11
Behavioral task
behavioral1
Sample
App.exe
Resource
win7-20240508-en
General
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Target
App.exe
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Size
67KB
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MD5
cb1c5bb7bd380ecc93def446f7e43532
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SHA1
efb531a3323b3c9cb20b8a8869797cad97bfc58b
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SHA256
cdbea5c86b512c61b703948392cd3f2c94c58758d85ad40a63ff38705352b69b
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SHA512
8c156f24c1069039b1d183a948abbb2ebea28310cdce60efe5c9f4a2ac693a809cd9c7d67b0fdd67401e8c0960f4b35610f5665a4a2620947fbe3c424f7df2d6
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SSDEEP
1536:KZdpHPYaAnbFOEgVEMC5bjmheewVbc1A0lY1rDj6kisHFBOAf7jFj:KN4bgDEMybjmoewVbqg1rOslBO47jFj
Malware Config
Extracted
xworm
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Install_directory
%AppData%
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install_file
svchost.exe
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pastebin_url
https://pastebin.com/raw/Jt9Xgc6v
Signatures
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Detect Xworm Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3444-1-0x0000000000B20000-0x0000000000B38000-memory.dmp family_xworm -
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.
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepid process 684 powershell.exe 2672 powershell.exe 3056 powershell.exe 376 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
App.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation App.exe -
Drops startup file 2 IoCs
Processes:
App.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk App.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk App.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 16 ip-api.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 12 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepid process 3056 powershell.exe 3056 powershell.exe 3056 powershell.exe 376 powershell.exe 376 powershell.exe 376 powershell.exe 684 powershell.exe 684 powershell.exe 684 powershell.exe 2672 powershell.exe 2672 powershell.exe 2672 powershell.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
App.exepowershell.exepowershell.exepowershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 3444 App.exe Token: SeDebugPrivilege 3056 powershell.exe Token: SeDebugPrivilege 376 powershell.exe Token: SeDebugPrivilege 684 powershell.exe Token: SeDebugPrivilege 2672 powershell.exe Token: SeDebugPrivilege 3444 App.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
App.exedescription pid process target process PID 3444 wrote to memory of 3056 3444 App.exe powershell.exe PID 3444 wrote to memory of 3056 3444 App.exe powershell.exe PID 3444 wrote to memory of 376 3444 App.exe powershell.exe PID 3444 wrote to memory of 376 3444 App.exe powershell.exe PID 3444 wrote to memory of 684 3444 App.exe powershell.exe PID 3444 wrote to memory of 684 3444 App.exe powershell.exe PID 3444 wrote to memory of 2672 3444 App.exe powershell.exe PID 3444 wrote to memory of 2672 3444 App.exe powershell.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\App.exe"C:\Users\Admin\AppData\Local\Temp\App.exe"1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3444 -
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\App.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3056
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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 'App.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:376
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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\svchost.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:684
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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 'svchost.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2672
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4252,i,16710585221322798697,8586257254049248207,262144 --variations-seed-version --mojo-platform-channel-handle=4432 /prefetch:81⤵PID:4620
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
944B
MD52979eabc783eaca50de7be23dd4eafcf
SHA1d709ce5f3a06b7958a67e20870bfd95b83cad2ea
SHA256006cca90e78fbb571532a83082ac6712721a34ea4b21f490058ffb3f521f4903
SHA51292bc433990572d9427d0c93eef9bd1cc23fa00ed60dd0c9c983d87d3421e02ce3f156c6f88fe916ef6782dbf185cbce083bc0094f8c527f302be6a37d1c53aba
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Filesize
944B
MD59c740b7699e2363ac4ecdf496520ca35
SHA1aa8691a8c56500d82c5fc8c35209bc6fe50ab1d9
SHA256be96c91b62ba9ba7072ab89e66543328c9e4395150f9dbe8067332d94a3ecc61
SHA5128885683f96353582eb871209e766e7eba1a72a2837ce27ea298b7b5b169621d1fa3fce25346b6bfd258b52642644234da9559d4e765a2023a5a5fc1f544cc7af
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Filesize
944B
MD534f595487e6bfd1d11c7de88ee50356a
SHA14caad088c15766cc0fa1f42009260e9a02f953bb
SHA2560f9a4b52e01cb051052228a55d0515911b7ef5a8db3cf925528c746df511424d
SHA51210976c5deaf9fac449e703e852c3b08d099f430de2d7c7b8e2525c35d63e28b890e5aab63feff9b20bca0aaf9f35a3ba411aee3fbeee9ea59f90ed25bd617a0b
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82