Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
02-08-2024 22:50
Behavioral task
behavioral1
Sample
XClient.exe
Resource
win7-20240708-en
General
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Target
XClient.exe
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Size
41KB
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MD5
f065a5f352973e89b2e8d3efd79b98f8
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SHA1
6a9a84e0a11010262ea35790fcdf824193805c76
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SHA256
7b75950ae4eeabfdedafe9e3b14acee160a6ad932cbad66f71fe5bca32cc6405
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SHA512
b920e46653ec87748767e71e88593db3c6d25fcde1b63504a1718d438e383c15578fd9e5bae5665b040e0f3512566ec99322eb8f3b5a0fa2112934ad486a2006
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SSDEEP
768:2+ibOPCt0LxOg3XvgggzLJF5PG9pmE6vOwhF3EizW:2tbuCiL0WXvvgpFI9AE6vOwjF6
Malware Config
Extracted
xworm
5.0
127.0.0.1:7000
JYj1EIwWwj45bGVr
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Install_directory
%AppData%
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install_file
XClient.exe
Signatures
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Detect Xworm Payload 2 IoCs
resource yara_rule behavioral2/memory/2560-1-0x0000000000880000-0x0000000000890000-memory.dmp family_xworm behavioral2/files/0x000600000001e78f-108.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 2948 powershell.exe 228 powershell.exe 2312 powershell.exe 4140 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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation XClient.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk XClient.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk XClient.exe -
Executes dropped EXE 4 IoCs
pid Process 752 XClient.exe 2152 XClient.exe 4128 XClient.exe 776 XClient.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe" XClient.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 10 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 5100 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 11 IoCs
pid Process 2948 powershell.exe 2948 powershell.exe 228 powershell.exe 228 powershell.exe 2312 powershell.exe 2312 powershell.exe 4140 powershell.exe 4140 powershell.exe 2560 XClient.exe 4304 msedge.exe 4304 msedge.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 2560 XClient.exe Token: SeDebugPrivilege 2948 powershell.exe Token: SeDebugPrivilege 228 powershell.exe Token: SeDebugPrivilege 2312 powershell.exe Token: SeDebugPrivilege 4140 powershell.exe Token: SeDebugPrivilege 2560 XClient.exe Token: SeDebugPrivilege 752 XClient.exe Token: SeDebugPrivilege 2152 XClient.exe Token: SeDebugPrivilege 4128 XClient.exe Token: SeDebugPrivilege 776 XClient.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2560 XClient.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2560 wrote to memory of 2948 2560 XClient.exe 85 PID 2560 wrote to memory of 2948 2560 XClient.exe 85 PID 2560 wrote to memory of 228 2560 XClient.exe 87 PID 2560 wrote to memory of 228 2560 XClient.exe 87 PID 2560 wrote to memory of 2312 2560 XClient.exe 89 PID 2560 wrote to memory of 2312 2560 XClient.exe 89 PID 2560 wrote to memory of 4140 2560 XClient.exe 91 PID 2560 wrote to memory of 4140 2560 XClient.exe 91 PID 2560 wrote to memory of 5100 2560 XClient.exe 93 PID 2560 wrote to memory of 5100 2560 XClient.exe 93 PID 4440 wrote to memory of 4864 4440 msedge.exe 106 PID 4440 wrote to memory of 4864 4440 msedge.exe 106 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 3948 4440 msedge.exe 107 PID 4440 wrote to memory of 4304 4440 msedge.exe 108 PID 4440 wrote to memory of 4304 4440 msedge.exe 108 PID 4440 wrote to memory of 1320 4440 msedge.exe 109 PID 4440 wrote to memory of 1320 4440 msedge.exe 109 PID 4440 wrote to memory of 1320 4440 msedge.exe 109 PID 4440 wrote to memory of 1320 4440 msedge.exe 109 PID 4440 wrote to memory of 1320 4440 msedge.exe 109 PID 4440 wrote to memory of 1320 4440 msedge.exe 109 PID 4440 wrote to memory of 1320 4440 msedge.exe 109 PID 4440 wrote to memory of 1320 4440 msedge.exe 109 PID 4440 wrote to memory of 1320 4440 msedge.exe 109 PID 4440 wrote to memory of 1320 4440 msedge.exe 109 -
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
- 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:2560 -
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:2948
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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:228
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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\XClient.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2312
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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:4140
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XClient" /tr "C:\Users\Admin\AppData\Roaming\XClient.exe"2⤵
- Scheduled Task/Job: Scheduled Task
PID:5100
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --default-search-provider=? --out-pipe-name=MSEdgeDefault77c7f045hbd22h4011ha027h414e1668ad751⤵
- Suspicious use of WriteProcessMemory
PID:4440 -
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x120,0x124,0x128,0xfc,0x12c,0x7ffa1a3146f8,0x7ffa1a314708,0x7ffa1a3147182⤵PID:4864
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2092,14104725550261551747,11877102410183814940,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2112 /prefetch:22⤵PID:3948
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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=network.mojom.NetworkService --field-trial-handle=2092,14104725550261551747,11877102410183814940,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2216 /prefetch:32⤵
- Suspicious behavior: EnumeratesProcesses
PID:4304
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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=storage.mojom.StorageService --field-trial-handle=2092,14104725550261551747,11877102410183814940,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2744 /prefetch:82⤵PID:1320
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4872
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4292
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C:\Users\Admin\AppData\Roaming\XClient.exeC:\Users\Admin\AppData\Roaming\XClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:752
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:4428
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C:\Users\Admin\AppData\Roaming\XClient.exe"C:\Users\Admin\AppData\Roaming\XClient.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2152
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C:\Users\Admin\AppData\Roaming\XClient.exe"C:\Users\Admin\AppData\Roaming\XClient.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4128
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C:\Users\Admin\AppData\Roaming\XClient.exeC:\Users\Admin\AppData\Roaming\XClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:776
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
1Privilege Escalation
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
152B
MD50446fcdd21b016db1f468971fb82a488
SHA1726b91562bb75f80981f381e3c69d7d832c87c9d
SHA25662c5dc18b25e758f3508582a7c58bb46b734a774d97fc0e8a20614235caa8222
SHA5121df7c085042266959f1fe0aedc5f6d40ceba485b54159f51f0c38f17bb250b79ea941b735e1b6faf219f23fe8ab65ac4557f545519d52d5416b89ad0f9047a31
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Filesize
61B
MD54df4574bfbb7e0b0bc56c2c9b12b6c47
SHA181efcbd3e3da8221444a21f45305af6fa4b71907
SHA256e1b77550222c2451772c958e44026abe518a2c8766862f331765788ddd196377
SHA51278b14f60f2d80400fe50360cf303a961685396b7697775d078825a29b717081442d357c2039ad0984d4b622976b0314ede8f478cde320daec118da546cb0682a
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Filesize
5KB
MD5609a9cbf9f88b7f4f1f2a2abacc8cde3
SHA11acbc04be46856cb5aff1ca88ac8169044aaa394
SHA25606346627aa6c88f7b89734f88ccda87e289c0ec386fdf394661b16437c5bb6e1
SHA512b6366d82e3bd08be90e18b08072473960dcf93354a77c5fc0a9ba34c1e05c44b07737ee05f558cfb560e7640590934ece63afa7d882e321710575ca27c4677cd
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Filesize
8KB
MD5fd15426e249a083b87254420763af5df
SHA1ec793281667fccdf36cf5032f153b95079afc6a7
SHA2564b30d40a421d63b8fa7b1c9bf668fd9a34ae9c7330c84b6a0cfba9f3f257f86b
SHA5122ed9daee39affdd421965dc7f7f8e2a8bb1157bb9e18835b5b658a478620009cfb015fff397c49129372177abb26115b625867380b0120bd75dafcc3ea5f0f17
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Filesize
944B
MD52e907f77659a6601fcc408274894da2e
SHA19f5b72abef1cd7145bf37547cdb1b9254b4efe9d
SHA256385da35673330e21ac02545220552fe301fe54dedefbdafc097ac4342a295233
SHA51234fa0fff24f6550f55f828541aaefe5d75c86f8f0842d54b50065e9746f9662bb7209c74c9a9571540b9855bb3851f01db613190024e89b198d485bb5dc07721
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Filesize
944B
MD5eb1ad317bd25b55b2bbdce8a28a74a94
SHA198a3978be4d10d62e7411946474579ee5bdc5ea6
SHA2569e94e7c9ac6134ee30e79498558aa1a5a1ac79a643666c3f8922eed215dd3a98
SHA512d011f266c0240d84470c0f9577cd9e4927309bd19bb38570ca9704ed8e1d159f9bea982a59d3eefef72ce7a10bd81208b82e88ef57c7af587f7437a89769adc0
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Filesize
944B
MD5d8cb3e9459807e35f02130fad3f9860d
SHA15af7f32cb8a30e850892b15e9164030a041f4bd6
SHA2562b139c74072ccbdaa17b950f32a6dbc934dfb7af9973d97c9b0d9c498012ba68
SHA512045239ba31367fbdd59e883f74eafc05724e23bd6e8f0c1e7171ea2496a497eb9e0cfcb57285bb81c4d569daadba43d6ef64c626ca48f1e2a59e8d97f0cc9184
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
41KB
MD5f065a5f352973e89b2e8d3efd79b98f8
SHA16a9a84e0a11010262ea35790fcdf824193805c76
SHA2567b75950ae4eeabfdedafe9e3b14acee160a6ad932cbad66f71fe5bca32cc6405
SHA512b920e46653ec87748767e71e88593db3c6d25fcde1b63504a1718d438e383c15578fd9e5bae5665b040e0f3512566ec99322eb8f3b5a0fa2112934ad486a2006