Analysis
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max time kernel
150s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
30/12/2024, 02:47
General
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Target
XClient.exe
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Size
83KB
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MD5
e0a98853cc1bbc3b4bcf3a7e8ee3cbec
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SHA1
b8c72cf0fdd61684634044a163f2abd3e4f1c945
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SHA256
3e9e1e67ecf3fe006127f22261b7c02ce8891bcfbc33ee928867def3dc0caaa0
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SHA512
ebde7f94a2bd112f4993c2d59e7dd7012970819436589898f8110506ca19741ba25549569fb4effb3265e472377ef60b7bfb268663612942af0d67a2b3377064
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SSDEEP
1536:8Ztji2WfVA/Lyh7jaNMYF3lfs9K3u+FbBKq1K98496BJVOGb3oAUmMJfYJnik:GL/mt6f3BbgqgEnO83oA5MJf2b
Malware Config
Extracted
xworm
homepage-kills.gl.at.ply.gg:50722
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Install_directory
%Temp%
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install_file
GoogleUpdateService.exe
Signatures
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Detect Xworm Payload 2 IoCs
resource yara_rule behavioral1/memory/4000-1-0x0000000000C00000-0x0000000000C1C000-memory.dmp family_xworm behavioral1/files/0x000f000000023b7b-55.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 1120 powershell.exe 1928 powershell.exe 1360 powershell.exe 4468 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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation XClient.exe -
Executes dropped EXE 2 IoCs
pid Process 2324 GoogleUpdateService.exe 3992 GoogleUpdateService.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 2972 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 1120 powershell.exe 1120 powershell.exe 1928 powershell.exe 1928 powershell.exe 1360 powershell.exe 1360 powershell.exe 4468 powershell.exe 4468 powershell.exe 4000 XClient.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeDebugPrivilege 4000 XClient.exe Token: SeDebugPrivilege 1120 powershell.exe Token: SeDebugPrivilege 1928 powershell.exe Token: SeDebugPrivilege 1360 powershell.exe Token: SeDebugPrivilege 4468 powershell.exe Token: SeDebugPrivilege 4000 XClient.exe Token: SeDebugPrivilege 2324 GoogleUpdateService.exe Token: SeDebugPrivilege 3992 GoogleUpdateService.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4000 XClient.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 4000 wrote to memory of 1120 4000 XClient.exe 83 PID 4000 wrote to memory of 1120 4000 XClient.exe 83 PID 4000 wrote to memory of 1928 4000 XClient.exe 85 PID 4000 wrote to memory of 1928 4000 XClient.exe 85 PID 4000 wrote to memory of 1360 4000 XClient.exe 87 PID 4000 wrote to memory of 1360 4000 XClient.exe 87 PID 4000 wrote to memory of 4468 4000 XClient.exe 89 PID 4000 wrote to memory of 4468 4000 XClient.exe 89 PID 4000 wrote to memory of 2972 4000 XClient.exe 91 PID 4000 wrote to memory of 2972 4000 XClient.exe 91 -
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\XClient.exe"C:\Users\Admin\AppData\Local\Temp\XClient.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4000 -
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\XClient.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1120
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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 'XClient.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1928
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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\Local\Temp\GoogleUpdateService.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1360
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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 'GoogleUpdateService.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4468
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "GoogleUpdateService" /tr "C:\Users\Admin\AppData\Local\Temp\GoogleUpdateService.exe"2⤵
- Scheduled Task/Job: Scheduled Task
PID:2972
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C:\Users\Admin\AppData\Local\Temp\GoogleUpdateService.exeC:\Users\Admin\AppData\Local\Temp\GoogleUpdateService.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2324
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C:\Users\Admin\AppData\Local\Temp\GoogleUpdateService.exeC:\Users\Admin\AppData\Local\Temp\GoogleUpdateService.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3992
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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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
MD551cf8df21f531e31f7740b4ec487a48a
SHA140c6a73b22d71625a62df109aefc92a5f9b9d13e
SHA256263d9b98a897d1d66da4832af640c4bf5ab0ae91125ba12243453dfe714f3d0d
SHA51257a85461f6ea96b26a8b53d3a9cca18543e4ddbe996e8f412fc4cf7cf6e9ffe558c96da7b322a42f18bef62020e65aee119bed6102f75e2f605df09b02ec6368
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Filesize
944B
MD5cc19bcff372d20459d3651ba8aef50e7
SHA13c6f1d4cdd647864fb97a16b1aefba67fcee11f7
SHA256366473e774d8976c7fd4dc582220666fb61a4feb3f7c95e69b2a68ad9e446ec9
SHA512a0e360ca4b6e874fd44612bf4b17f3722c0619da4f6bade12a62efadae88c2d33460114eaafa2bc3fb1cef5bea07e745b8bee24f15d0cacaff5f4a521b225080
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Filesize
83KB
MD5e0a98853cc1bbc3b4bcf3a7e8ee3cbec
SHA1b8c72cf0fdd61684634044a163f2abd3e4f1c945
SHA2563e9e1e67ecf3fe006127f22261b7c02ce8891bcfbc33ee928867def3dc0caaa0
SHA512ebde7f94a2bd112f4993c2d59e7dd7012970819436589898f8110506ca19741ba25549569fb4effb3265e472377ef60b7bfb268663612942af0d67a2b3377064
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82