Analysis
- max time kernel
148s - max time network
95s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system - submitted
30/05/2024, 04:34
Behavioral task
behavioral1
Sample
2024-05-30_f189d5cd0a010355a57583247f386c41_hiddentear.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-30_f189d5cd0a010355a57583247f386c41_hiddentear.exe
Resource
win10v2004-20240426-en
General
- Target 2024-05-30_f189d5cd0a010355a57583247f386c41_hiddentear.exe
- Size 162KB
- Sample240530-e69r8sfg47
- SHA256 d77887e43b9073cfbb4eb4fecb647c002fc71cd7fe528bacedd78c08e9f4664a
- MD5 f189d5cd0a010355a57583247f386c41
- SHA1 72c0849b4b0639582220b39b21a55b0bc287e56a
- SHA512 ce9d145552e5782303db84d84c5915771bfd166660728b4508acc6ec6a832a5e7fe501aac736ed3c5d52aced2b1f1235e04a1388e9cdb7790cdec6b80ea09e4d
- SSDEEP 3072:OauONY0bWpbxfl4HHOgs+M+lmsolAIrRuw+mqv9j1MWLQd:JTqbIHOd+lDAA
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
xworm
-
127.0.0.1:1010
-
Install_directory
%AppData%
-
install_file
mobejaia.exe
Signatures
- Detect Xworm Payload 2 IoCs
resource yara_rule behavioral2/memory/2892-1-0x0000000000830000-0x000000000085E000-memory.dmp family_xworm behavioral2/files/0x000e0000000233ee-59.dat family_xworm - Detects Windows executables referencing non-Windows User-Agents 2 IoCs
resource yara_rule behavioral2/memory/2892-1-0x0000000000830000-0x000000000085E000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/files/0x000e0000000233ee-59.dat INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA - Command and Scripting Interpreter: PowerShell 1 TTPs 6 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 4692 powershell.exe 748 powershell.exe 3580 powershell.exe 1964 powershell.exe 4692 powershell.exe 748 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-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation 2024-05-30_f189d5cd0a010355a57583247f386c41_hiddentear.exe - Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mobejaia.lnk 2024-05-30_f189d5cd0a010355a57583247f386c41_hiddentear.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mobejaia.lnk 2024-05-30_f189d5cd0a010355a57583247f386c41_hiddentear.exe - Executes dropped EXE 2 IoCs
pid Process 1784 mobejaia.exe 1908 mobejaia.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mobejaia = "C:\\Users\\Admin\\AppData\\Roaming\\mobejaia.exe" 2024-05-30_f189d5cd0a010355a57583247f386c41_hiddentear.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).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4112 schtasks.exe - Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 4692 powershell.exe 4692 powershell.exe 748 powershell.exe 748 powershell.exe 3580 powershell.exe 3580 powershell.exe 1964 powershell.exe 1964 powershell.exe 2892 2024-05-30_f189d5cd0a010355a57583247f386c41_hiddentear.exe - Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeDebugPrivilege 2892 2024-05-30_f189d5cd0a010355a57583247f386c41_hiddentear.exe Token: SeDebugPrivilege 4692 powershell.exe Token: SeDebugPrivilege 748 powershell.exe Token: SeDebugPrivilege 3580 powershell.exe Token: SeDebugPrivilege 1964 powershell.exe Token: SeDebugPrivilege 2892 2024-05-30_f189d5cd0a010355a57583247f386c41_hiddentear.exe Token: SeDebugPrivilege 1784 mobejaia.exe Token: SeDebugPrivilege 1908 mobejaia.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2892 2024-05-30_f189d5cd0a010355a57583247f386c41_hiddentear.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 2892 wrote to memory of 4692 2892 2024-05-30_f189d5cd0a010355a57583247f386c41_hiddentear.exe 90 PID 2892 wrote to memory of 4692 2892 2024-05-30_f189d5cd0a010355a57583247f386c41_hiddentear.exe 90 PID 2892 wrote to memory of 748 2892 2024-05-30_f189d5cd0a010355a57583247f386c41_hiddentear.exe 92 PID 2892 wrote to memory of 748 2892 2024-05-30_f189d5cd0a010355a57583247f386c41_hiddentear.exe 92 PID 2892 wrote to memory of 3580 2892 2024-05-30_f189d5cd0a010355a57583247f386c41_hiddentear.exe 94 PID 2892 wrote to memory of 3580 2892 2024-05-30_f189d5cd0a010355a57583247f386c41_hiddentear.exe 94 PID 2892 wrote to memory of 1964 2892 2024-05-30_f189d5cd0a010355a57583247f386c41_hiddentear.exe 96 PID 2892 wrote to memory of 1964 2892 2024-05-30_f189d5cd0a010355a57583247f386c41_hiddentear.exe 96 PID 2892 wrote to memory of 4112 2892 2024-05-30_f189d5cd0a010355a57583247f386c41_hiddentear.exe 99 PID 2892 wrote to memory of 4112 2892 2024-05-30_f189d5cd0a010355a57583247f386c41_hiddentear.exe 99 - 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
-
C:\Users\Admin\AppData\Local\Temp\2024-05-30_f189d5cd0a010355a57583247f386c41_hiddentear.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-30_f189d5cd0a010355a57583247f386c41_hiddentear.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:2892 -
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\2024-05-30_f189d5cd0a010355a57583247f386c41_hiddentear.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4692
-
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '2024-05-30_f189d5cd0a010355a57583247f386c41_hiddentear.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:748
-
-
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\mobejaia.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3580
-
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'mobejaia.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1964
-
-
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "mobejaia" /tr "C:\Users\Admin\AppData\Roaming\mobejaia.exe"2⤵
- Creates scheduled task(s)
PID:4112
-
-
C:\Users\Admin\AppData\Roaming\mobejaia.exeC:\Users\Admin\AppData\Roaming\mobejaia.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1784
-
C:\Users\Admin\AppData\Roaming\mobejaia.exeC:\Users\Admin\AppData\Roaming\mobejaia.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1908
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\mobejaia.exe.log
- Size 654B
- SHA256 e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
- MD5 2ff39f6c7249774be85fd60a8f9a245e
- SHA1 684ff36b31aedc1e587c8496c02722c6698c1c4e
- SHA512 1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
- Size 2KB
- SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
- MD5 d85ba6ff808d9e5444a4b369f5bc2730
- SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
- SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 944B
- SHA256 2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d
- MD5 6d3e9c29fe44e90aae6ed30ccf799ca8
- SHA1 c7974ef72264bbdf13a2793ccf1aed11bc565dce
- SHA512 60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 944B
- SHA256 d6fa39eab7ee36f44dc3f9f2839d098433db95c1eba924e4bcf4e5c0d268d961
- MD5 15dde0683cd1ca19785d7262f554ba93
- SHA1 d039c577e438546d10ac64837b05da480d06bf69
- SHA512 57c0e1b87bc1c136f0d39f3ce64bb8f8274a0491e4ca6e45e5c7f9070aa9d9370c6f590ce37cd600b252df2638d870205249a514c43245ca7ed49017024a4672
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 944B
- SHA256 34dd19ebba6598d5f586b5c7ac30babf89d055b5f1a6e959129a39311fe4026b
- MD5 72903459f297d1561ed59e88f6266c39
- SHA1 22275691405b29149354de4bf3a40bd7cef6f6de
- SHA512 6c04ccf522b8b544de9da57b791e7f4a3ff1de200f8a641de106f75270759e04ba028fd6db7e3784bb0233ac3c1f92ec3473d703b9ac585d4851d277d12db10f
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_etneqdmf.4iz.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\mobejaia.exe
- Size 162KB
- SHA256 d77887e43b9073cfbb4eb4fecb647c002fc71cd7fe528bacedd78c08e9f4664a
- MD5 f189d5cd0a010355a57583247f386c41
- SHA1 72c0849b4b0639582220b39b21a55b0bc287e56a
- SHA512 ce9d145552e5782303db84d84c5915771bfd166660728b4508acc6ec6a832a5e7fe501aac736ed3c5d52aced2b1f1235e04a1388e9cdb7790cdec6b80ea09e4d
- SSDEEP 3072:OauONY0bWpbxfl4HHOgs+M+lmsolAIrRuw+mqv9j1MWLQd:JTqbIHOd+lDAA
- MD5 SHA1 SHA512 SSDEEP