Analysis
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max time kernel
98s -
max time network
54s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
22-06-2024 03:01
Behavioral task
behavioral1
Sample
a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe
Resource
win10v2004-20240508-en
General
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Target
a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe
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Size
121KB
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MD5
5ad0a139daa10def6783d34a578882eb
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SHA1
8cbeb48832356f7cff9b1370ece879d72b8eb156
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SHA256
a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c
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SHA512
2cbd28e71e57b1fa051231565074afeaaacb6332c831e861be45e98eab1d1f1fc0519ddbace3f2f2f24d9a97d8dd767bcfadd827dfb81e960bcc7b73cb5b3b84
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SSDEEP
1536:S0DwewicrbsN/YVRrNRF49IG6iOwjaClJEHIl7pmhaKI:S0DweDN/kr/F49IaOw5Ch0
Malware Config
Extracted
xworm
5.0
sekoneko.zapto.org:1111
epkUNO9aHruE9KEn
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Install_directory
%AppData%
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install_file
win64.exe
Signatures
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Detect Xworm Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/4032-1-0x00000000005B0000-0x00000000005D4000-memory.dmp family_xworm C:\Users\Admin\AppData\Roaming\win64.exe 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 4572 powershell.exe 4348 powershell.exe 2860 powershell.exe 4768 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe -
Drops startup file 2 IoCs
Processes:
a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\win64.lnk a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\win64.lnk a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe -
Executes dropped EXE 2 IoCs
Processes:
win64.exewin64.exepid process 3412 win64.exe 4428 win64.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\win64 = "C:\\Users\\Admin\\AppData\\Roaming\\win64.exe" a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe -
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 3 ip-api.com -
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.
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Suspicious behavior: EnumeratesProcesses 9 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exea788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exepid process 4348 powershell.exe 4348 powershell.exe 2860 powershell.exe 2860 powershell.exe 4768 powershell.exe 4768 powershell.exe 4572 powershell.exe 4572 powershell.exe 4032 a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
Processes:
a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exepowershell.exepowershell.exepowershell.exepowershell.exewin64.exewin64.exedescription pid process Token: SeDebugPrivilege 4032 a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe Token: SeDebugPrivilege 4348 powershell.exe Token: SeDebugPrivilege 2860 powershell.exe Token: SeDebugPrivilege 4768 powershell.exe Token: SeDebugPrivilege 4572 powershell.exe Token: SeDebugPrivilege 4032 a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe Token: SeDebugPrivilege 3412 win64.exe Token: SeDebugPrivilege 4428 win64.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exepid process 4032 a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exedescription pid process target process PID 4032 wrote to memory of 4348 4032 a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe powershell.exe PID 4032 wrote to memory of 4348 4032 a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe powershell.exe PID 4032 wrote to memory of 2860 4032 a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe powershell.exe PID 4032 wrote to memory of 2860 4032 a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe powershell.exe PID 4032 wrote to memory of 4768 4032 a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe powershell.exe PID 4032 wrote to memory of 4768 4032 a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe powershell.exe PID 4032 wrote to memory of 4572 4032 a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe powershell.exe PID 4032 wrote to memory of 4572 4032 a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe powershell.exe PID 4032 wrote to memory of 3712 4032 a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe schtasks.exe PID 4032 wrote to memory of 3712 4032 a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe schtasks.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\a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe"C:\Users\Admin\AppData\Local\Temp\a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.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:4032 -
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\a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4348
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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 'a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2860
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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\win64.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4768
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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 'win64.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4572
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "win64" /tr "C:\Users\Admin\AppData\Roaming\win64.exe"2⤵
- Scheduled Task/Job: Scheduled Task
PID:3712
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C:\Users\Admin\AppData\Roaming\win64.exeC:\Users\Admin\AppData\Roaming\win64.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3412
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C:\Users\Admin\AppData\Roaming\win64.exeC:\Users\Admin\AppData\Roaming\win64.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4428
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
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
654B
MD52ff39f6c7249774be85fd60a8f9a245e
SHA1684ff36b31aedc1e587c8496c02722c6698c1c4e
SHA256e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
SHA5121d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1
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Filesize
944B
MD577d622bb1a5b250869a3238b9bc1402b
SHA1d47f4003c2554b9dfc4c16f22460b331886b191b
SHA256f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb
SHA512d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9
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Filesize
944B
MD5da5c82b0e070047f7377042d08093ff4
SHA189d05987cd60828cca516c5c40c18935c35e8bd3
SHA25677a94ef8c4258445d538a6006ffadb05afdf888f6f044e1e5466b981a07f16c5
SHA5127360311a3c97b73dd3f6d7179cd979e0e20d69f380d38292447e17e369087d9dd5acb66cd0cbdd95ac4bfb16e5a1b86825f835a8d45b14ea9812102cff59704b
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Filesize
944B
MD510fb30dc297f99d6ebafa5fee8b24fa2
SHA176904509313a49a765edcde26b69c3a61f9fa225
SHA256567bcacac120711fc04bf8e6c8cd0bff7b61e8ee0a6316254d1005ebb1264e6a
SHA512c42ace1ea0923fa55592f4f486a508ea56997fdbe0200016b0fc16a33452fc28e4530129a315b3b3a5ede37a07097c13a0eb310c9e91e5d97bb7ce7b955b9498
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
121KB
MD55ad0a139daa10def6783d34a578882eb
SHA18cbeb48832356f7cff9b1370ece879d72b8eb156
SHA256a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c
SHA5122cbd28e71e57b1fa051231565074afeaaacb6332c831e861be45e98eab1d1f1fc0519ddbace3f2f2f24d9a97d8dd767bcfadd827dfb81e960bcc7b73cb5b3b84