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Analysis
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max time kernel
119s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
19/09/2024, 05:57
Behavioral task
behavioral1
Sample
1a2054fcc986058de7b392795325a85d83ce9612537457b7edd03e8f6ff8dc5bN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
1a2054fcc986058de7b392795325a85d83ce9612537457b7edd03e8f6ff8dc5bN.exe
Resource
win10v2004-20240802-en
General
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Target
1a2054fcc986058de7b392795325a85d83ce9612537457b7edd03e8f6ff8dc5bN.exe
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Size
91KB
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MD5
758bace8cda039bf69fc0911e57c0b70
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SHA1
cd38f2833fc1f3ef0935fea64835df0adb18224a
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SHA256
1a2054fcc986058de7b392795325a85d83ce9612537457b7edd03e8f6ff8dc5b
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SHA512
021c2eb621bc84d264cfe20334bfbe4981a69fb675bba9fc90db4c4fd26837daf0a8b69590d35bafb4860688af0d9a37142350a698964b09b24d162587780f90
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SSDEEP
1536:It/CUcGlrtCdnbDfHmGROwzcWEniB6b6eOyRuC6ZN/9w7bOHjQPjn:kCqBCd/fhROw1EA6b6eTuFNFw7bODQLn
Malware Config
Extracted
xworm
127.0.0.1:63419
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Install_directory
%AppData%
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install_file
зсу.exe
Signatures
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Detect Xworm Payload 2 IoCs
resource yara_rule behavioral2/memory/4112-1-0x00000000008D0000-0x00000000008EE000-memory.dmp family_xworm behavioral2/files/0x000b000000023424-56.dat 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.
pid Process 2968 powershell.exe 3140 powershell.exe 548 powershell.exe 5084 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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation 1a2054fcc986058de7b392795325a85d83ce9612537457b7edd03e8f6ff8dc5bN.exe -
Executes dropped EXE 2 IoCs
pid Process 3228 зсу.exe 1976 зсу.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\зсу = "C:\\Users\\Admin\\AppData\\Roaming\\зсу.exe" 1a2054fcc986058de7b392795325a85d83ce9612537457b7edd03e8f6ff8dc5bN.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.
flow ioc 14 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.
pid Process 1556 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 2968 powershell.exe 2968 powershell.exe 3140 powershell.exe 3140 powershell.exe 548 powershell.exe 548 powershell.exe 5084 powershell.exe 5084 powershell.exe 4112 1a2054fcc986058de7b392795325a85d83ce9612537457b7edd03e8f6ff8dc5bN.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeDebugPrivilege 4112 1a2054fcc986058de7b392795325a85d83ce9612537457b7edd03e8f6ff8dc5bN.exe Token: SeDebugPrivilege 2968 powershell.exe Token: SeDebugPrivilege 3140 powershell.exe Token: SeDebugPrivilege 548 powershell.exe Token: SeDebugPrivilege 5084 powershell.exe Token: SeDebugPrivilege 4112 1a2054fcc986058de7b392795325a85d83ce9612537457b7edd03e8f6ff8dc5bN.exe Token: SeDebugPrivilege 3228 зсу.exe Token: SeDebugPrivilege 1976 зсу.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4112 1a2054fcc986058de7b392795325a85d83ce9612537457b7edd03e8f6ff8dc5bN.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 4112 wrote to memory of 2968 4112 1a2054fcc986058de7b392795325a85d83ce9612537457b7edd03e8f6ff8dc5bN.exe 86 PID 4112 wrote to memory of 2968 4112 1a2054fcc986058de7b392795325a85d83ce9612537457b7edd03e8f6ff8dc5bN.exe 86 PID 4112 wrote to memory of 3140 4112 1a2054fcc986058de7b392795325a85d83ce9612537457b7edd03e8f6ff8dc5bN.exe 88 PID 4112 wrote to memory of 3140 4112 1a2054fcc986058de7b392795325a85d83ce9612537457b7edd03e8f6ff8dc5bN.exe 88 PID 4112 wrote to memory of 548 4112 1a2054fcc986058de7b392795325a85d83ce9612537457b7edd03e8f6ff8dc5bN.exe 90 PID 4112 wrote to memory of 548 4112 1a2054fcc986058de7b392795325a85d83ce9612537457b7edd03e8f6ff8dc5bN.exe 90 PID 4112 wrote to memory of 5084 4112 1a2054fcc986058de7b392795325a85d83ce9612537457b7edd03e8f6ff8dc5bN.exe 92 PID 4112 wrote to memory of 5084 4112 1a2054fcc986058de7b392795325a85d83ce9612537457b7edd03e8f6ff8dc5bN.exe 92 PID 4112 wrote to memory of 1556 4112 1a2054fcc986058de7b392795325a85d83ce9612537457b7edd03e8f6ff8dc5bN.exe 95 PID 4112 wrote to memory of 1556 4112 1a2054fcc986058de7b392795325a85d83ce9612537457b7edd03e8f6ff8dc5bN.exe 95 -
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\1a2054fcc986058de7b392795325a85d83ce9612537457b7edd03e8f6ff8dc5bN.exe"C:\Users\Admin\AppData\Local\Temp\1a2054fcc986058de7b392795325a85d83ce9612537457b7edd03e8f6ff8dc5bN.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4112 -
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\1a2054fcc986058de7b392795325a85d83ce9612537457b7edd03e8f6ff8dc5bN.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2968
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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 '1a2054fcc986058de7b392795325a85d83ce9612537457b7edd03e8f6ff8dc5bN.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3140
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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\зсу.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:548
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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 'зсу.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5084
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "зсу" /tr "C:\Users\Admin\AppData\Roaming\зсу.exe"2⤵
- Scheduled Task/Job: Scheduled Task
PID:1556
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C:\Users\Admin\AppData\Roaming\зсу.exeC:\Users\Admin\AppData\Roaming\зсу.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3228
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C:\Users\Admin\AppData\Roaming\зсу.exeC:\Users\Admin\AppData\Roaming\зсу.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1976
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
MD5eb033be02578f9635ec47bdc1de5c3fb
SHA1ec356bc87381354a06baa9c30e8c3ac3d30e0f6f
SHA256bd827af3192bf83c75a32e51ed2de83bd3b90d6b99350721a189a57cec15d063
SHA5124d8778503646f7016df73ff9d204760f4fe4d2b24157920ac3e5651653373975b2f2d229530143059f11b16c42822ad7963e628ad6066022ee712c17d90595ed
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Filesize
944B
MD5e7e044b359984899f97f0cd82ee44f3c
SHA1a654639b5bf4ecf88c573dbcf94750b7995d9814
SHA256225c40be10f6cab1046aa14ba6ef81389b20ee52caa137c89833ff6d33191f67
SHA51292eb58b2289b17fc0894165ac52214d8a2161f99d21c018325ae87a9d1f904e17f0a7894b30050d7c202c3abddb9913dc25686449f9f9170731e7c6229861550
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
91KB
MD5758bace8cda039bf69fc0911e57c0b70
SHA1cd38f2833fc1f3ef0935fea64835df0adb18224a
SHA2561a2054fcc986058de7b392795325a85d83ce9612537457b7edd03e8f6ff8dc5b
SHA512021c2eb621bc84d264cfe20334bfbe4981a69fb675bba9fc90db4c4fd26837daf0a8b69590d35bafb4860688af0d9a37142350a698964b09b24d162587780f90