Analysis
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max time kernel
149s -
max time network
47s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
25-11-2022 21:23
Static task
static1
Behavioral task
behavioral1
Sample
whatsapp_instalador.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
whatsapp_instalador.exe
Resource
win10v2004-20220812-en
General
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Target
whatsapp_instalador.exe
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Size
1.8MB
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MD5
12ccc6110263e5897cd4e46f8d4650d6
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SHA1
05e0a1118fbd7ad820202511e8daf9ccca654b5f
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SHA256
3a49b660f81c66e17894f19222c24719af63275376cf21714eed6b28629be86e
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SHA512
0806fda202ff3163b0bf0e21e7f71428594ab77c296f29a9c9efacacf6eba5b04ff505d50c0b50d1cf842938ba3122e0408c387132490e2bccbd014030c7cf53
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SSDEEP
49152:Vj0w/x7GGdWl/MyQZouaSb8KBHKrXtzXs7:/x76FMPo1IHKbtz
Malware Config
Signatures
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Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
Processes:
OUTLOOK.EXEnotepad.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook OUTLOOK.EXE Key queried \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook OUTLOOK.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 OUTLOOK.EXE Key queried \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 OUTLOOK.EXE Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook notepad.exe Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook OUTLOOK.EXE -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
notepad.exedescription ioc process Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ notepad.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Defender = "\"C:\\ProgramData\\adminProcesso.exe\"" notepad.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ notepad.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft Defender = "\"C:\\ProgramData\\adminProcesso.exe\"" notepad.exe -
Drops file in System32 directory 14 IoCs
Processes:
OUTLOOK.EXEdescription ioc process File created C:\Windows\system32\perfh010.dat OUTLOOK.EXE File created C:\Windows\system32\perfc009.dat OUTLOOK.EXE File created C:\Windows\system32\perfc00A.dat OUTLOOK.EXE File created C:\Windows\system32\perfh00A.dat OUTLOOK.EXE File opened for modification C:\Windows\SysWOW64\PerfStringBackup.INI OUTLOOK.EXE File created C:\Windows\system32\perfh007.dat OUTLOOK.EXE File created C:\Windows\system32\perfc011.dat OUTLOOK.EXE File created C:\Windows\system32\perfc007.dat OUTLOOK.EXE File created C:\Windows\system32\perfc00C.dat OUTLOOK.EXE File created C:\Windows\system32\perfh00C.dat OUTLOOK.EXE File created C:\Windows\system32\perfc010.dat OUTLOOK.EXE File created C:\Windows\system32\perfh011.dat OUTLOOK.EXE File created C:\Windows\SysWOW64\PerfStringBackup.TMP OUTLOOK.EXE File created C:\Windows\system32\perfh009.dat OUTLOOK.EXE -
Suspicious use of SetThreadContext 1 IoCs
Processes:
whatsapp_instalador.exedescription pid process target process PID 1672 set thread context of 552 1672 whatsapp_instalador.exe notepad.exe -
Drops file in Windows directory 3 IoCs
Processes:
OUTLOOK.EXEdescription ioc process File opened for modification C:\Windows\inf\Outlook\outlperf.h OUTLOOK.EXE File created C:\Windows\inf\Outlook\0009\outlperf.ini OUTLOOK.EXE File created C:\Windows\inf\Outlook\outlperf.h OUTLOOK.EXE -
Processes:
OUTLOOK.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar OUTLOOK.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote OUTLOOK.EXE Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" OUTLOOK.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel OUTLOOK.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" OUTLOOK.EXE Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" OUTLOOK.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\MenuExt OUTLOOK.EXE Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" OUTLOOK.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" OUTLOOK.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
OUTLOOK.EXEpid process 1140 OUTLOOK.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
whatsapp_instalador.exenotepad.exepid process 1672 whatsapp_instalador.exe 1672 whatsapp_instalador.exe 1672 whatsapp_instalador.exe 552 notepad.exe -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
Processes:
notepad.exeOUTLOOK.EXEpid process 552 notepad.exe 1140 OUTLOOK.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
whatsapp_instalador.exedescription pid process Token: SeDebugPrivilege 1672 whatsapp_instalador.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
OUTLOOK.EXEpid process 1140 OUTLOOK.EXE 1140 OUTLOOK.EXE 1140 OUTLOOK.EXE -
Suspicious use of SendNotifyMessage 2 IoCs
Processes:
OUTLOOK.EXEpid process 1140 OUTLOOK.EXE 1140 OUTLOOK.EXE -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
OUTLOOK.EXEpid process 1140 OUTLOOK.EXE -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
whatsapp_instalador.exedescription pid process target process PID 1672 wrote to memory of 1540 1672 whatsapp_instalador.exe notepad.exe PID 1672 wrote to memory of 1540 1672 whatsapp_instalador.exe notepad.exe PID 1672 wrote to memory of 1540 1672 whatsapp_instalador.exe notepad.exe PID 1672 wrote to memory of 1540 1672 whatsapp_instalador.exe notepad.exe PID 1672 wrote to memory of 1520 1672 whatsapp_instalador.exe notepad.exe PID 1672 wrote to memory of 1520 1672 whatsapp_instalador.exe notepad.exe PID 1672 wrote to memory of 1520 1672 whatsapp_instalador.exe notepad.exe PID 1672 wrote to memory of 1520 1672 whatsapp_instalador.exe notepad.exe PID 1672 wrote to memory of 1028 1672 whatsapp_instalador.exe notepad.exe PID 1672 wrote to memory of 1028 1672 whatsapp_instalador.exe notepad.exe PID 1672 wrote to memory of 1028 1672 whatsapp_instalador.exe notepad.exe PID 1672 wrote to memory of 1028 1672 whatsapp_instalador.exe notepad.exe PID 1672 wrote to memory of 552 1672 whatsapp_instalador.exe notepad.exe PID 1672 wrote to memory of 552 1672 whatsapp_instalador.exe notepad.exe PID 1672 wrote to memory of 552 1672 whatsapp_instalador.exe notepad.exe PID 1672 wrote to memory of 552 1672 whatsapp_instalador.exe notepad.exe PID 1672 wrote to memory of 552 1672 whatsapp_instalador.exe notepad.exe PID 1672 wrote to memory of 552 1672 whatsapp_instalador.exe notepad.exe PID 1672 wrote to memory of 552 1672 whatsapp_instalador.exe notepad.exe PID 1672 wrote to memory of 552 1672 whatsapp_instalador.exe notepad.exe PID 1672 wrote to memory of 552 1672 whatsapp_instalador.exe notepad.exe PID 1672 wrote to memory of 552 1672 whatsapp_instalador.exe notepad.exe PID 1672 wrote to memory of 552 1672 whatsapp_instalador.exe notepad.exe PID 1672 wrote to memory of 552 1672 whatsapp_instalador.exe notepad.exe PID 1672 wrote to memory of 552 1672 whatsapp_instalador.exe notepad.exe PID 1672 wrote to memory of 552 1672 whatsapp_instalador.exe notepad.exe -
outlook_win_path 1 IoCs
Processes:
OUTLOOK.EXEdescription ioc process Key queried \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook OUTLOOK.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\whatsapp_instalador.exe"C:\Users\Admin\AppData\Local\Temp\whatsapp_instalador.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1672 -
C:\Windows\SysWOW64\notepad.exe"C:\Windows\system32\notepad.exe"2⤵PID:1540
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C:\Windows\SysWOW64\notepad.exe"C:\Windows\system32\notepad.exe"2⤵PID:1520
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C:\Windows\SysWOW64\notepad.exe"C:\Windows\system32\notepad.exe"2⤵PID:1028
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C:\Windows\SysWOW64\notepad.exe"C:\Windows\system32\notepad.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
PID:552
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C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE"C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE" -Embedding1⤵
- Accesses Microsoft Outlook profiles
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- outlook_win_path
PID:1140
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/552-70-0x0000000000400000-0x000000000068E000-memory.dmpFilesize
2.6MB
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memory/552-64-0x0000000000400000-0x000000000068E000-memory.dmpFilesize
2.6MB
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memory/552-71-0x0000000000585450-mapping.dmp
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memory/552-58-0x0000000000400000-0x000000000068E000-memory.dmpFilesize
2.6MB
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memory/552-60-0x0000000000400000-0x000000000068E000-memory.dmpFilesize
2.6MB
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memory/552-62-0x0000000000400000-0x000000000068E000-memory.dmpFilesize
2.6MB
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memory/552-65-0x0000000000400000-0x000000000068E000-memory.dmpFilesize
2.6MB
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memory/552-76-0x0000000000400000-0x000000000068E000-memory.dmpFilesize
2.6MB
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memory/552-68-0x0000000000400000-0x000000000068E000-memory.dmpFilesize
2.6MB
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memory/552-72-0x0000000000400000-0x000000000068E000-memory.dmpFilesize
2.6MB
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memory/552-56-0x0000000000400000-0x000000000068E000-memory.dmpFilesize
2.6MB
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memory/552-55-0x0000000000400000-0x000000000068E000-memory.dmpFilesize
2.6MB
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memory/552-66-0x0000000000400000-0x000000000068E000-memory.dmpFilesize
2.6MB
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memory/552-83-0x0000000000400000-0x000000000068E000-memory.dmpFilesize
2.6MB
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memory/552-75-0x0000000000400000-0x000000000068E000-memory.dmpFilesize
2.6MB
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memory/1140-84-0x00000000731CD000-0x00000000731D8000-memory.dmpFilesize
44KB
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memory/1140-77-0x00000000721E1000-0x00000000721E3000-memory.dmpFilesize
8KB
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memory/1140-78-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/1140-79-0x00000000731CD000-0x00000000731D8000-memory.dmpFilesize
44KB
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memory/1140-81-0x000000006C741000-0x000000006C743000-memory.dmpFilesize
8KB
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memory/1140-82-0x000000006BF41000-0x000000006BF43000-memory.dmpFilesize
8KB
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memory/1672-73-0x0000000074170000-0x000000007471B000-memory.dmpFilesize
5.7MB
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memory/1672-54-0x0000000075111000-0x0000000075113000-memory.dmpFilesize
8KB