Analysis
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max time kernel
1563s -
max time network
1174s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
05/04/2024, 05:25
Behavioral task
behavioral1
Sample
XClient.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
XClient.exe
Resource
win10v2004-20240226-en
General
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Target
XClient.exe
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Size
41KB
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MD5
4a85a8fd8d30e43227a2eeafb180b649
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SHA1
89c5f32f587eaf749c6b8fc4eaaf890bc0ff6928
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SHA256
ef5cb311599cd04871fa56f516e56af8da03d605013367021d99e1af0db876f1
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SHA512
1a48b86c97ad617839169601cb149b7d823ebfe07b59537c46934a57cb74e067ee36f1365f8dd568364b8fd6c899eecb1023fcaeb4f38715a1e17dda9a8906a7
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SSDEEP
768:nNreDweeLOoHdSgDder3XvggggQLJF5PG9pmOH6vOwhp3Euzl:n4DweQldSgDIjXvvggCFI9A46vOwLNp
Malware Config
Extracted
xworm
5.0
maximum-meet.gl.at.ply.gg:1675
9LQBHUPAUEJEhUPH
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Install_directory
%Temp%
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install_file
blacked.exe
Signatures
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Detect Xworm Payload 2 IoCs
resource yara_rule behavioral2/memory/460-0-0x00000000006C0000-0x00000000006D0000-memory.dmp family_xworm behavioral2/files/0x000e00000002315d-69.dat family_xworm -
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-1-5-21-3270530367-132075249-2153716227-1000\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\blacked.lnk XClient.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\blacked.lnk XClient.exe -
Executes dropped EXE 20 IoCs
pid Process 2296 blacked.exe 2908 blacked.exe 3076 blacked.exe 2172 blacked.exe 1692 blacked.exe 4852 blacked.exe 3964 blacked.exe 208 blacked.exe 4736 blacked.exe 3444 blacked.exe 1368 blacked.exe 1692 blacked.exe 3748 blacked.exe 1220 blacked.exe 2944 blacked.exe 2756 blacked.exe 1936 blacked.exe 2484 blacked.exe 4708 uvkgar.exe 2556 blacked.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\blacked = "C:\\Users\\Admin\\AppData\\Local\\Temp\\blacked.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 13 ip-api.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 376 schtasks.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 1504 timeout.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 2176 powershell.exe 2176 powershell.exe 3968 powershell.exe 3968 powershell.exe 4440 powershell.exe 4440 powershell.exe 4236 powershell.exe 4236 powershell.exe 460 XClient.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 460 XClient.exe -
Suspicious use of AdjustPrivilegeToken 26 IoCs
description pid Process Token: SeDebugPrivilege 460 XClient.exe Token: SeDebugPrivilege 2176 powershell.exe Token: SeDebugPrivilege 3968 powershell.exe Token: SeDebugPrivilege 4440 powershell.exe Token: SeDebugPrivilege 4236 powershell.exe Token: SeDebugPrivilege 460 XClient.exe Token: SeDebugPrivilege 2296 blacked.exe Token: SeDebugPrivilege 2908 blacked.exe Token: SeDebugPrivilege 2172 blacked.exe Token: SeDebugPrivilege 1692 blacked.exe Token: SeDebugPrivilege 4852 blacked.exe Token: SeDebugPrivilege 3964 blacked.exe Token: SeDebugPrivilege 208 blacked.exe Token: SeDebugPrivilege 4736 blacked.exe Token: SeDebugPrivilege 3444 blacked.exe Token: SeDebugPrivilege 1368 blacked.exe Token: SeDebugPrivilege 1692 blacked.exe Token: SeDebugPrivilege 3748 blacked.exe Token: SeDebugPrivilege 1220 blacked.exe Token: SeDebugPrivilege 2944 blacked.exe Token: SeDebugPrivilege 2756 blacked.exe Token: SeDebugPrivilege 1936 blacked.exe Token: SeDebugPrivilege 2484 blacked.exe Token: 33 1388 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 1388 AUDIODG.EXE Token: SeDebugPrivilege 2556 blacked.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 460 XClient.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 460 wrote to memory of 2176 460 XClient.exe 94 PID 460 wrote to memory of 2176 460 XClient.exe 94 PID 460 wrote to memory of 3968 460 XClient.exe 96 PID 460 wrote to memory of 3968 460 XClient.exe 96 PID 460 wrote to memory of 4440 460 XClient.exe 98 PID 460 wrote to memory of 4440 460 XClient.exe 98 PID 460 wrote to memory of 4236 460 XClient.exe 100 PID 460 wrote to memory of 4236 460 XClient.exe 100 PID 460 wrote to memory of 376 460 XClient.exe 103 PID 460 wrote to memory of 376 460 XClient.exe 103 PID 460 wrote to memory of 4708 460 XClient.exe 127 PID 460 wrote to memory of 4708 460 XClient.exe 127 PID 460 wrote to memory of 4708 460 XClient.exe 127 PID 460 wrote to memory of 5048 460 XClient.exe 130 PID 460 wrote to memory of 5048 460 XClient.exe 130 PID 460 wrote to memory of 4596 460 XClient.exe 132 PID 460 wrote to memory of 4596 460 XClient.exe 132 PID 4596 wrote to memory of 1504 4596 cmd.exe 134 PID 4596 wrote to memory of 1504 4596 cmd.exe 134 -
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 behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:460 -
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⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2176
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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⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3968
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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\blacked.exe'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4440
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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 'blacked.exe'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4236
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "blacked" /tr "C:\Users\Admin\AppData\Local\Temp\blacked.exe"2⤵
- Creates scheduled task(s)
PID:376
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C:\Users\Admin\AppData\Local\Temp\uvkgar.exe"C:\Users\Admin\AppData\Local\Temp\uvkgar.exe"2⤵
- Executes dropped EXE
PID:4708
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /delete /f /tn "blacked"2⤵PID:5048
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpB38E.tmp.bat""2⤵
- Suspicious use of WriteProcessMemory
PID:4596 -
C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
PID:1504
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C:\Users\Admin\AppData\Local\Temp\blacked.exeC:\Users\Admin\AppData\Local\Temp\blacked.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2296
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C:\Users\Admin\AppData\Local\Temp\blacked.exeC:\Users\Admin\AppData\Local\Temp\blacked.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2908
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C:\Users\Admin\AppData\Local\Temp\blacked.exeC:\Users\Admin\AppData\Local\Temp\blacked.exe1⤵
- Executes dropped EXE
PID:3076
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C:\Users\Admin\AppData\Local\Temp\blacked.exeC:\Users\Admin\AppData\Local\Temp\blacked.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2172
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C:\Users\Admin\AppData\Local\Temp\blacked.exeC:\Users\Admin\AppData\Local\Temp\blacked.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1692
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C:\Users\Admin\AppData\Local\Temp\blacked.exeC:\Users\Admin\AppData\Local\Temp\blacked.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4852
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C:\Users\Admin\AppData\Local\Temp\blacked.exeC:\Users\Admin\AppData\Local\Temp\blacked.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3964
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C:\Users\Admin\AppData\Local\Temp\blacked.exeC:\Users\Admin\AppData\Local\Temp\blacked.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:208
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C:\Users\Admin\AppData\Local\Temp\blacked.exeC:\Users\Admin\AppData\Local\Temp\blacked.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4736
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C:\Users\Admin\AppData\Local\Temp\blacked.exeC:\Users\Admin\AppData\Local\Temp\blacked.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3444
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C:\Users\Admin\AppData\Local\Temp\blacked.exeC:\Users\Admin\AppData\Local\Temp\blacked.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1368
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C:\Users\Admin\AppData\Local\Temp\blacked.exeC:\Users\Admin\AppData\Local\Temp\blacked.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1692
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C:\Users\Admin\AppData\Local\Temp\blacked.exeC:\Users\Admin\AppData\Local\Temp\blacked.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3748
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C:\Users\Admin\AppData\Local\Temp\blacked.exeC:\Users\Admin\AppData\Local\Temp\blacked.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1220
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C:\Users\Admin\AppData\Local\Temp\blacked.exeC:\Users\Admin\AppData\Local\Temp\blacked.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2944
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C:\Users\Admin\AppData\Local\Temp\blacked.exeC:\Users\Admin\AppData\Local\Temp\blacked.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2756
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C:\Users\Admin\AppData\Local\Temp\blacked.exeC:\Users\Admin\AppData\Local\Temp\blacked.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1936
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C:\Users\Admin\AppData\Local\Temp\blacked.exeC:\Users\Admin\AppData\Local\Temp\blacked.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2484
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x320 0x4f01⤵
- Suspicious use of AdjustPrivilegeToken
PID:1388
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C:\Users\Admin\AppData\Local\Temp\blacked.exeC:\Users\Admin\AppData\Local\Temp\blacked.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2556
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
MD5d28a889fd956d5cb3accfbaf1143eb6f
SHA1157ba54b365341f8ff06707d996b3635da8446f7
SHA25621e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45
SHA5120b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c
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Filesize
944B
MD5d0a40a2d16d62c60994d5bb5624a589b
SHA130f0a77f10518a09d83e6185d6c4cde23e4de8af
SHA256c213a4024e89a0240d0b1fa3b18ea3db3db7bbe7ca1bdeed86dce9c2c4991ef8
SHA512cecef5087f194a83948880e36445324406218f6877386d6db7850b8f97ac107e042ea9445bb7e73c6e6a2c7da9782b7dae8caba0a1c997677d096b3271a4cac0
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Filesize
944B
MD56f3b96b24f06e2d37a46e43e8b784f56
SHA17be6702c5867f359e913eeeecdd5b76698589295
SHA2568e386afeed28e1d282d9a0294dd2e9402dcb807f7c77aca8426314c20057e720
SHA512d760999531a77a9adf2b4dc019ce3b43ac3a8cad825398b3a09818afe8deaa177d37219a26dd8a432c00c9cff7858efc43cae2375edc996bb0136c92c39c9dfb
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
41KB
MD54a85a8fd8d30e43227a2eeafb180b649
SHA189c5f32f587eaf749c6b8fc4eaaf890bc0ff6928
SHA256ef5cb311599cd04871fa56f516e56af8da03d605013367021d99e1af0db876f1
SHA5121a48b86c97ad617839169601cb149b7d823ebfe07b59537c46934a57cb74e067ee36f1365f8dd568364b8fd6c899eecb1023fcaeb4f38715a1e17dda9a8906a7
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Filesize
159B
MD5900d6b1e39f4c74fb89188de01488124
SHA1f3e2fb26eca6aaa994a184ce1cbc0cb8ac9a0c94
SHA25634bfaaaecbbf96e94e0423627198304c8b779045c4fed7c9d13777c415d45326
SHA5127d812c9766f7902735f7b1761dbc134f82937bf78da313e9389ac5555b295a90baab504ebf23d33975acb0fad1279f1f4db47f649ee7c1a7647413493b7ddedf
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Filesize
131KB
MD5bd65d387482def1fe00b50406f731763
SHA1d06a2ba2e29228f443f97d1dd3a8da5dd7df5903
SHA2561ab7375550516d7445c47fd9b551ed864f227401a14ff3f1ff0d70caca3bd997
SHA512351ecd109c4d49bc822e8ade73a9516c4a531ebcda63546c155e677dcff19708068dc588b2fcf30cad086238e8b206fc5f349d37dda02d3c3a8d9b570d92e4d9