Analysis
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max time kernel
105s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 01:33
Static task
static1
Behavioral task
behavioral1
Sample
TT SLIP.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
TT SLIP.exe
Resource
win10v2004-20220414-en
General
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Target
TT SLIP.exe
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Size
630KB
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MD5
6b94d92840160e9ecc9a9f808edc93f4
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SHA1
dcbce739ab926a184d2ebc995ff417c5772c4312
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SHA256
70072a6239488b071403cf29308652486727816236c455de356bbe13df67d3a8
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SHA512
6502f23e33bcb20c157a1461976a2275ce1eb6bcadcd960aa7837627929b016a78e3545045c90980efc002f0dbe4768b5a6ad8e089d4983dc07a1536fc4841ef
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.qualitypulse.sg - Port:
587 - Username:
[email protected] - Password:
10EWR0203486364
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/1996-61-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1996-62-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1996-63-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1996-64-0x00000000004463EE-mapping.dmp family_agenttesla behavioral1/memory/1996-67-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1996-69-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
Executes dropped EXE 1 IoCs
Processes:
RegAsm.exepid process 1996 RegAsm.exe -
Loads dropped DLL 2 IoCs
Processes:
TT SLIP.exeRegAsm.exepid process 1984 TT SLIP.exe 1996 RegAsm.exe -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegAsm.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\Officex = "C:\\Users\\Admin\\AppData\\Roaming\\Officex\\Officex.exe" RegAsm.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
TT SLIP.exedescription pid process target process PID 1984 set thread context of 1996 1984 TT SLIP.exe RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
TT SLIP.exeRegAsm.exepid process 1984 TT SLIP.exe 1984 TT SLIP.exe 1984 TT SLIP.exe 1996 RegAsm.exe 1996 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
TT SLIP.exeRegAsm.exedescription pid process Token: SeDebugPrivilege 1984 TT SLIP.exe Token: SeDebugPrivilege 1996 RegAsm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RegAsm.exepid process 1996 RegAsm.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
TT SLIP.exedescription pid process target process PID 1984 wrote to memory of 1996 1984 TT SLIP.exe RegAsm.exe PID 1984 wrote to memory of 1996 1984 TT SLIP.exe RegAsm.exe PID 1984 wrote to memory of 1996 1984 TT SLIP.exe RegAsm.exe PID 1984 wrote to memory of 1996 1984 TT SLIP.exe RegAsm.exe PID 1984 wrote to memory of 1996 1984 TT SLIP.exe RegAsm.exe PID 1984 wrote to memory of 1996 1984 TT SLIP.exe RegAsm.exe PID 1984 wrote to memory of 1996 1984 TT SLIP.exe RegAsm.exe PID 1984 wrote to memory of 1996 1984 TT SLIP.exe RegAsm.exe PID 1984 wrote to memory of 1996 1984 TT SLIP.exe RegAsm.exe PID 1984 wrote to memory of 1996 1984 TT SLIP.exe RegAsm.exe PID 1984 wrote to memory of 1996 1984 TT SLIP.exe RegAsm.exe PID 1984 wrote to memory of 1996 1984 TT SLIP.exe RegAsm.exe -
outlook_office_path 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
outlook_win_path 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\TT SLIP.exe"C:\Users\Admin\AppData\Local\Temp\TT SLIP.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\RegAsm.exe"C:\Users\Admin\AppData\Local\Temp\RegAsm.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\RegAsm.exeFilesize
63KB
MD5b58b926c3574d28d5b7fdd2ca3ec30d5
SHA1d260c4ffd603a9cfc057fcb83d678b1cecdf86f9
SHA2566e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3
SHA512b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab
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C:\Users\Admin\AppData\Local\Temp\RegAsm.exeFilesize
63KB
MD5b58b926c3574d28d5b7fdd2ca3ec30d5
SHA1d260c4ffd603a9cfc057fcb83d678b1cecdf86f9
SHA2566e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3
SHA512b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab
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\Users\Admin\AppData\Local\Temp\RegAsm.exeFilesize
63KB
MD5b58b926c3574d28d5b7fdd2ca3ec30d5
SHA1d260c4ffd603a9cfc057fcb83d678b1cecdf86f9
SHA2566e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3
SHA512b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab
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\Users\Admin\AppData\Local\Temp\RegAsm.exeFilesize
63KB
MD5b58b926c3574d28d5b7fdd2ca3ec30d5
SHA1d260c4ffd603a9cfc057fcb83d678b1cecdf86f9
SHA2566e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3
SHA512b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab
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memory/1984-54-0x0000000000EB0000-0x0000000000F54000-memory.dmpFilesize
656KB
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memory/1984-55-0x0000000000310000-0x000000000031A000-memory.dmpFilesize
40KB
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memory/1984-56-0x00000000005B0000-0x00000000005B8000-memory.dmpFilesize
32KB
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memory/1996-63-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1996-62-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1996-64-0x00000000004463EE-mapping.dmp
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memory/1996-67-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1996-61-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1996-69-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1996-59-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1996-71-0x0000000076571000-0x0000000076573000-memory.dmpFilesize
8KB
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memory/1996-58-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB