Analysis
-
max time kernel
125s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
11-10-2024 19:03
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe
Resource
win10v2004-20241007-en
General
-
Target
2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe
-
Size
660KB
-
MD5
03a5ea04ef15bca68edf74f38463087e
-
SHA1
ce7ffb5982cb5c5a66854d4931c6be802b06cf3e
-
SHA256
0dfb3176683efa54883d71a9c575d15f2fcee4293e53dd99db71d9bdfed9913f
-
SHA512
5f9df5ec1e8338ef0935329decce78f1699dd835a48faacb869212c72e8fef0b6384c8c0e12abf19f41edd76366e9b9ee55152550025839a348ecd3ebde4b706
-
SSDEEP
12288:u2hpKuNFgElu1Wt2yAS6yFQTWnk1q1vvG2eZkmMwP3OI4kDkRpzA8aR:u2HKQNlZtlAS6yFMOPTVsqrAF
Malware Config
Signatures
-
Detected Nirsoft tools 11 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral1/memory/3016-50-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/3016-48-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/3016-43-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/3016-41-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/3016-38-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/2772-58-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/2772-59-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/2772-62-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/2788-63-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/2788-64-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/2788-70-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
NirSoft MailPassView 8 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral1/memory/3016-50-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/3016-48-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/3016-43-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/3016-41-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/3016-38-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/2772-58-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/2772-59-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/2772-62-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 8 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral1/memory/3016-50-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/3016-48-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/3016-43-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/3016-41-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/3016-38-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/2788-63-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/2788-64-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/2788-70-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Uses the VBS compiler for execution 1 TTPs
-
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\Process = "C:\\Users\\Admin\\AppData\\Local\\Temp\\VQIiOOXA.exe" reg.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 6 whatismyipaddress.com 8 whatismyipaddress.com 9 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 2816 set thread context of 3016 2816 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 33 PID 3016 set thread context of 2772 3016 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 38 PID 3016 set thread context of 2788 3016 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 39 -
System Location Discovery: System Language Discovery 1 TTPs 9 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dw20.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cvtres.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csc.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2788 vbc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3016 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3016 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe -
Suspicious use of WriteProcessMemory 49 IoCs
description pid Process procid_target PID 2816 wrote to memory of 2808 2816 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 30 PID 2816 wrote to memory of 2808 2816 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 30 PID 2816 wrote to memory of 2808 2816 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 30 PID 2816 wrote to memory of 2808 2816 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 30 PID 2808 wrote to memory of 2592 2808 csc.exe 32 PID 2808 wrote to memory of 2592 2808 csc.exe 32 PID 2808 wrote to memory of 2592 2808 csc.exe 32 PID 2808 wrote to memory of 2592 2808 csc.exe 32 PID 2816 wrote to memory of 3016 2816 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 33 PID 2816 wrote to memory of 3016 2816 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 33 PID 2816 wrote to memory of 3016 2816 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 33 PID 2816 wrote to memory of 3016 2816 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 33 PID 2816 wrote to memory of 3016 2816 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 33 PID 2816 wrote to memory of 3016 2816 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 33 PID 2816 wrote to memory of 3016 2816 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 33 PID 2816 wrote to memory of 3016 2816 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 33 PID 2816 wrote to memory of 3016 2816 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 33 PID 2816 wrote to memory of 1416 2816 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 34 PID 2816 wrote to memory of 1416 2816 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 34 PID 2816 wrote to memory of 1416 2816 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 34 PID 2816 wrote to memory of 1416 2816 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 34 PID 1416 wrote to memory of 1772 1416 cmd.exe 36 PID 1416 wrote to memory of 1772 1416 cmd.exe 36 PID 1416 wrote to memory of 1772 1416 cmd.exe 36 PID 1416 wrote to memory of 1772 1416 cmd.exe 36 PID 3016 wrote to memory of 2772 3016 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 38 PID 3016 wrote to memory of 2772 3016 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 38 PID 3016 wrote to memory of 2772 3016 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 38 PID 3016 wrote to memory of 2772 3016 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 38 PID 3016 wrote to memory of 2772 3016 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 38 PID 3016 wrote to memory of 2772 3016 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 38 PID 3016 wrote to memory of 2772 3016 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 38 PID 3016 wrote to memory of 2772 3016 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 38 PID 3016 wrote to memory of 2772 3016 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 38 PID 3016 wrote to memory of 2772 3016 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 38 PID 3016 wrote to memory of 2788 3016 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 39 PID 3016 wrote to memory of 2788 3016 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 39 PID 3016 wrote to memory of 2788 3016 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 39 PID 3016 wrote to memory of 2788 3016 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 39 PID 3016 wrote to memory of 2788 3016 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 39 PID 3016 wrote to memory of 2788 3016 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 39 PID 3016 wrote to memory of 2788 3016 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 39 PID 3016 wrote to memory of 2788 3016 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 39 PID 3016 wrote to memory of 2788 3016 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 39 PID 3016 wrote to memory of 2788 3016 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 39 PID 3016 wrote to memory of 1456 3016 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 41 PID 3016 wrote to memory of 1456 3016 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 41 PID 3016 wrote to memory of 1456 3016 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 41 PID 3016 wrote to memory of 1456 3016 2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe 41
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2816 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\ghh3-_oh.cmdline"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2808 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES6163.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC6162.tmp"3⤵
- System Location Discovery: System Language Discovery
PID:2592
-
-
-
C:\Users\Admin\AppData\Local\Temp\2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe"2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3016 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:2772
-
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2788
-
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exedw20.exe -x -s 10043⤵
- System Location Discovery: System Language Discovery
PID:1456
-
-
-
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "Process" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\VQIiOOXA.exe2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1416 -
C:\Windows\SysWOW64\reg.exereg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "Process" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\VQIiOOXA.exe3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:1772
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
-
Filesize
1KB
MD552acc019e98c399e1f47724d184905c8
SHA1bec629257ea001b837fc3e2648c8ecad8dbb019c
SHA256ab7d34e324fc40d31542dece4246f21fdc23ee3c774168c72baba680c48baee1
SHA512ab06c26feecfd464d38e0afa1dd72fd58a8cc59446a8c6764b8446122a8c7a91429dc2010faac939331f23ef8673643230e880f5d08a2f8876424e47c02efb58
-
Filesize
1.1MB
MD586b06686d9d430031972c993afb68bc7
SHA1c8a131e7d21a7892f7dce653d44632876bdae314
SHA256cf254a43342e865fbf2a0adbcca5089e9a5f694b191ca1672752f825c8d64eb8
SHA512178df8f711d54d97ca764310575344759c977b3162ab82ac037190a37577e1549205afca42241273c319ee0ffbb4292bd12736367cc306279d86ab462108c2bc
-
Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
-
Filesize
652B
MD55e6a2828a956b85943cf05212cfbf91d
SHA1004d294cc1bede107d224e3a5b5f724a030b8ea9
SHA256a6a6bdce17d84d9d1329a99ce23f47dcd96716a9f656cfd481263b98b6f5f4a3
SHA5123664a730f67898af071abe74dfde84ba00089738807fdf0a4ad3556cff8a777f85273e3a6aa83e4cb82979c995d1dc42b9ef5681ba0a560a8c8adf8f5215df73
-
Filesize
196B
MD5b2a3279747039e825d458bddfd7400c8
SHA1150d434f0cebf609634c9c98942be2a3d982eeb6
SHA2567d65c66190803a05740c1c201d11c530a1dd0207acbcde6577f4442f1109a965
SHA51222bd50dec264d808b65c572fd826c56b605bf56e20ddfc3e77983f1edc276dfcba2bf2639d4fa8ad123d491ef116f8ba679d35ce0838b10d5245068b476ea95d
-
Filesize
549KB
MD52685c4e3d19e4838a9ad3f51083652e5
SHA1ab52629512c4ea07fa0193d84c4df6a742ebec51
SHA256e49817106c90a6bf68190fe6f25951b0ec9ccc7c9ff5470ffad9c7c2985eefb3
SHA5124d09d4c8e27c5cb68412bed52d6282619a99a837f769c518a57ac163f6af64197b190841c9c664956f136ae45c2da610f9ae1910e17d2710da59661b571e01e7