Analysis
- max time kernel
150s - max time network
145s - platform
windows7_x64 - resource
win7v20201028 - submitted
24/01/2021, 17:37
Static task
static1
Behavioral task
behavioral1
Sample
d8ae822e44e2ad95a337f793dae84fa9faef1b0a781eebeeb5f8b028a98001e0.exe
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
d8ae822e44e2ad95a337f793dae84fa9faef1b0a781eebeeb5f8b028a98001e0.exe
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
- Target d8ae822e44e2ad95a337f793dae84fa9faef1b0a781eebeeb5f8b028a98001e0.exe
- Size 115KB
- Sample210124-e714l9l2fj
- SHA256 d8ae822e44e2ad95a337f793dae84fa9faef1b0a781eebeeb5f8b028a98001e0
- MD5 4fa54f63cabdb41682ce263c0ec39887
- SHA1 ae173f6bcfaa77eeab5e080b5bd1be0e7915705a
- SHA512 49aa4179abaec4c33ad36acd7543ec04808f9b010c57ef81ea6a5344cc518d9d9f69756742dea62b28b5fc2e47ea071a817010a92da2468b60577c581a5efd7d
- MD5 SHA1 SHA512
Score
8/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1576 mounb.exe - Deletes itself 1 IoCs
pid Process 1284 cmd.exe - Loads dropped DLL 1 IoCs
pid Process 1096 d8ae822e44e2ad95a337f793dae84fa9faef1b0a781eebeeb5f8b028a98001e0.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\Currentversion\Run mounb.exe Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\{A5DF0092-F667-7A18-A3E5-A9732458EE91} = "C:\\Users\\Admin\\AppData\\Roaming\\Piupqa\\mounb.exe" mounb.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1096 set thread context of 1284 1096 d8ae822e44e2ad95a337f793dae84fa9faef1b0a781eebeeb5f8b028a98001e0.exe 31 -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Privacy d8ae822e44e2ad95a337f793dae84fa9faef1b0a781eebeeb5f8b028a98001e0.exe Set value (int) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Privacy\CleanCookies = "0" d8ae822e44e2ad95a337f793dae84fa9faef1b0a781eebeeb5f8b028a98001e0.exe - NTFS ADS 1 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows Mail\Local Folders\Inbox\2BFD6C62-00000001.eml:OECustomProperty WinMail.exe - Suspicious behavior: EnumeratesProcesses 37 IoCs
pid Process 1576 mounb.exe 1576 mounb.exe 1576 mounb.exe 1576 mounb.exe 1576 mounb.exe 1576 mounb.exe 1576 mounb.exe 1576 mounb.exe 1576 mounb.exe 1576 mounb.exe 1576 mounb.exe 1576 mounb.exe 1576 mounb.exe 1576 mounb.exe 1576 mounb.exe 1576 mounb.exe 1576 mounb.exe 1576 mounb.exe 1576 mounb.exe 1576 mounb.exe 1576 mounb.exe 1576 mounb.exe 1576 mounb.exe 1576 mounb.exe 1576 mounb.exe 1576 mounb.exe 1576 mounb.exe 1576 mounb.exe 1576 mounb.exe 1576 mounb.exe 1576 mounb.exe 1576 mounb.exe 1576 mounb.exe 1576 mounb.exe 1576 mounb.exe 1576 mounb.exe 1576 mounb.exe - Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeSecurityPrivilege 1096 d8ae822e44e2ad95a337f793dae84fa9faef1b0a781eebeeb5f8b028a98001e0.exe Token: SeSecurityPrivilege 1096 d8ae822e44e2ad95a337f793dae84fa9faef1b0a781eebeeb5f8b028a98001e0.exe Token: SeSecurityPrivilege 1096 d8ae822e44e2ad95a337f793dae84fa9faef1b0a781eebeeb5f8b028a98001e0.exe Token: SeManageVolumePrivilege 1160 WinMail.exe Token: SeSecurityPrivilege 1284 cmd.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1160 WinMail.exe - Suspicious use of WriteProcessMemory 83 IoCs
description pid Process procid_target PID 1096 wrote to memory of 1576 1096 d8ae822e44e2ad95a337f793dae84fa9faef1b0a781eebeeb5f8b028a98001e0.exe 29 PID 1096 wrote to memory of 1576 1096 d8ae822e44e2ad95a337f793dae84fa9faef1b0a781eebeeb5f8b028a98001e0.exe 29 PID 1096 wrote to memory of 1576 1096 d8ae822e44e2ad95a337f793dae84fa9faef1b0a781eebeeb5f8b028a98001e0.exe 29 PID 1096 wrote to memory of 1576 1096 d8ae822e44e2ad95a337f793dae84fa9faef1b0a781eebeeb5f8b028a98001e0.exe 29 PID 1576 wrote to memory of 1204 1576 mounb.exe 13 PID 1576 wrote to memory of 1204 1576 mounb.exe 13 PID 1576 wrote to memory of 1204 1576 mounb.exe 13 PID 1576 wrote to memory of 1204 1576 mounb.exe 13 PID 1576 wrote to memory of 1204 1576 mounb.exe 13 PID 1576 wrote to memory of 1312 1576 mounb.exe 12 PID 1576 wrote to memory of 1312 1576 mounb.exe 12 PID 1576 wrote to memory of 1312 1576 mounb.exe 12 PID 1576 wrote to memory of 1312 1576 mounb.exe 12 PID 1576 wrote to memory of 1312 1576 mounb.exe 12 PID 1576 wrote to memory of 1356 1576 mounb.exe 11 PID 1576 wrote to memory of 1356 1576 mounb.exe 11 PID 1576 wrote to memory of 1356 1576 mounb.exe 11 PID 1576 wrote to memory of 1356 1576 mounb.exe 11 PID 1576 wrote to memory of 1356 1576 mounb.exe 11 PID 1576 wrote to memory of 1096 1576 mounb.exe 24 PID 1576 wrote to memory of 1096 1576 mounb.exe 24 PID 1576 wrote to memory of 1096 1576 mounb.exe 24 PID 1576 wrote to memory of 1096 1576 mounb.exe 24 PID 1576 wrote to memory of 1096 1576 mounb.exe 24 PID 1576 wrote to memory of 1160 1576 mounb.exe 30 PID 1576 wrote to memory of 1160 1576 mounb.exe 30 PID 1576 wrote to memory of 1160 1576 mounb.exe 30 PID 1576 wrote to memory of 1160 1576 mounb.exe 30 PID 1576 wrote to memory of 1160 1576 mounb.exe 30 PID 1096 wrote to memory of 1284 1096 d8ae822e44e2ad95a337f793dae84fa9faef1b0a781eebeeb5f8b028a98001e0.exe 31 PID 1096 wrote to memory of 1284 1096 d8ae822e44e2ad95a337f793dae84fa9faef1b0a781eebeeb5f8b028a98001e0.exe 31 PID 1096 wrote to memory of 1284 1096 d8ae822e44e2ad95a337f793dae84fa9faef1b0a781eebeeb5f8b028a98001e0.exe 31 PID 1096 wrote to memory of 1284 1096 d8ae822e44e2ad95a337f793dae84fa9faef1b0a781eebeeb5f8b028a98001e0.exe 31 PID 1096 wrote to memory of 1284 1096 d8ae822e44e2ad95a337f793dae84fa9faef1b0a781eebeeb5f8b028a98001e0.exe 31 PID 1096 wrote to memory of 1284 1096 d8ae822e44e2ad95a337f793dae84fa9faef1b0a781eebeeb5f8b028a98001e0.exe 31 PID 1096 wrote to memory of 1284 1096 d8ae822e44e2ad95a337f793dae84fa9faef1b0a781eebeeb5f8b028a98001e0.exe 31 PID 1096 wrote to memory of 1284 1096 d8ae822e44e2ad95a337f793dae84fa9faef1b0a781eebeeb5f8b028a98001e0.exe 31 PID 1096 wrote to memory of 1284 1096 d8ae822e44e2ad95a337f793dae84fa9faef1b0a781eebeeb5f8b028a98001e0.exe 31 PID 1576 wrote to memory of 1612 1576 mounb.exe 33 PID 1576 wrote to memory of 1612 1576 mounb.exe 33 PID 1576 wrote to memory of 1612 1576 mounb.exe 33 PID 1576 wrote to memory of 1612 1576 mounb.exe 33 PID 1576 wrote to memory of 1612 1576 mounb.exe 33 PID 1576 wrote to memory of 844 1576 mounb.exe 34 PID 1576 wrote to memory of 844 1576 mounb.exe 34 PID 1576 wrote to memory of 844 1576 mounb.exe 34 PID 1576 wrote to memory of 844 1576 mounb.exe 34 PID 1576 wrote to memory of 844 1576 mounb.exe 34 PID 1576 wrote to memory of 1112 1576 mounb.exe 35 PID 1576 wrote to memory of 1112 1576 mounb.exe 35 PID 1576 wrote to memory of 1112 1576 mounb.exe 35 PID 1576 wrote to memory of 1112 1576 mounb.exe 35 PID 1576 wrote to memory of 1112 1576 mounb.exe 35 PID 1576 wrote to memory of 1276 1576 mounb.exe 36 PID 1576 wrote to memory of 1276 1576 mounb.exe 36 PID 1576 wrote to memory of 1276 1576 mounb.exe 36 PID 1576 wrote to memory of 1276 1576 mounb.exe 36 PID 1576 wrote to memory of 1276 1576 mounb.exe 36 PID 1576 wrote to memory of 1084 1576 mounb.exe 37 PID 1576 wrote to memory of 1084 1576 mounb.exe 37 PID 1576 wrote to memory of 1084 1576 mounb.exe 37 PID 1576 wrote to memory of 1084 1576 mounb.exe 37 PID 1576 wrote to memory of 1084 1576 mounb.exe 37 PID 1576 wrote to memory of 1900 1576 mounb.exe 38 PID 1576 wrote to memory of 1900 1576 mounb.exe 38 PID 1576 wrote to memory of 1900 1576 mounb.exe 38 PID 1576 wrote to memory of 1900 1576 mounb.exe 38 PID 1576 wrote to memory of 1900 1576 mounb.exe 38 PID 1576 wrote to memory of 1728 1576 mounb.exe 39 PID 1576 wrote to memory of 1728 1576 mounb.exe 39 PID 1576 wrote to memory of 1728 1576 mounb.exe 39 PID 1576 wrote to memory of 1728 1576 mounb.exe 39 PID 1576 wrote to memory of 1728 1576 mounb.exe 39 PID 1576 wrote to memory of 936 1576 mounb.exe 40 PID 1576 wrote to memory of 936 1576 mounb.exe 40 PID 1576 wrote to memory of 936 1576 mounb.exe 40 PID 1576 wrote to memory of 936 1576 mounb.exe 40 PID 1576 wrote to memory of 936 1576 mounb.exe 40 PID 1576 wrote to memory of 428 1576 mounb.exe 41 PID 1576 wrote to memory of 428 1576 mounb.exe 41 PID 1576 wrote to memory of 428 1576 mounb.exe 41 PID 1576 wrote to memory of 428 1576 mounb.exe 41 PID 1576 wrote to memory of 428 1576 mounb.exe 41
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1356
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C:\Users\Admin\AppData\Local\Temp\d8ae822e44e2ad95a337f793dae84fa9faef1b0a781eebeeb5f8b028a98001e0.exe"C:\Users\Admin\AppData\Local\Temp\d8ae822e44e2ad95a337f793dae84fa9faef1b0a781eebeeb5f8b028a98001e0.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1096 -
C:\Users\Admin\AppData\Roaming\Piupqa\mounb.exe"C:\Users\Admin\AppData\Roaming\Piupqa\mounb.exe"3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1576
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmpf758be5c.bat"3⤵
- Deletes itself
- Suspicious use of AdjustPrivilegeToken
PID:1284
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1312
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C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵PID:1204
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C:\Program Files\Windows Mail\WinMail.exe"C:\Program Files\Windows Mail\WinMail.exe" -Embedding1⤵
- NTFS ADS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1160
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}1⤵PID:1612
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:844
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}1⤵PID:1112
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}1⤵PID:1276
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}1⤵PID:1084
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}1⤵PID:1900
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}1⤵PID:1728
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}1⤵PID:936
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}1⤵PID:428