Analysis
- max time kernel
157s - max time network
160s - platform
windows10_x64 - resource
win10v20210408 - submitted
30/08/2021, 06:18
General
- Target fc0c9dbc3c2f560e6dcb089c265d10c65348a9da66b1414b01f9f561352f6864.exe
- Size 1024KB
- Sample210830-kdblqharbe
- SHA256 fc0c9dbc3c2f560e6dcb089c265d10c65348a9da66b1414b01f9f561352f6864
Malware Config
Signatures
- Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
- suricata: ET MALWARE Known Sinkhole Response Header
suricata: ET MALWARE Known Sinkhole Response Header
- Adds Run key to start application 2 TTPs 2 IoCs
- Program crash 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 11 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 16 IoCs
Processes
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C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe"C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca1⤵
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 3756 -s 8482⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
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C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe"C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca1⤵
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
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C:\Users\Admin\AppData\Local\Temp\fc0c9dbc3c2f560e6dcb089c265d10c65348a9da66b1414b01f9f561352f6864.exe"C:\Users\Admin\AppData\Local\Temp\fc0c9dbc3c2f560e6dcb089c265d10c65348a9da66b1414b01f9f561352f6864.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\winver.exewinver3⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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c:\windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}1⤵
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k unistacksvcgroup -s CDPUserSvc1⤵
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c:\windows\system32\sihost.exesihost.exe1⤵
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C:\Windows\System32\slui.exeC:\Windows\System32\slui.exe -Embedding1⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/808-116-0x0000000000530000-0x0000000000553000-memory.dmp
memory/808-117-0x0000000002380000-0x0000000002D80000-memory.dmp
memory/808-114-0x0000000000400000-0x000000000041A000-memory.dmp
memory/2200-128-0x00007FF92BBA0000-0x00007FF92BBA1000-memory.dmp
memory/2200-127-0x00007FF92BBB0000-0x00007FF92BBB1000-memory.dmp
memory/2200-126-0x00007FF92BBC0000-0x00007FF92BBC1000-memory.dmp
memory/2200-125-0x0000000000370000-0x0000000000376000-memory.dmp
memory/2356-120-0x0000000000AA0000-0x0000000000AA6000-memory.dmp
memory/2376-122-0x0000000000120000-0x0000000000126000-memory.dmp
memory/2468-123-0x00000000006F0000-0x00000000006F6000-memory.dmp
memory/3052-121-0x00000000003F0000-0x00000000003F6000-memory.dmp
memory/3052-119-0x00000000003D0000-0x00000000003D6000-memory.dmp
memory/3052-129-0x00007FF92BBC0000-0x00007FF92BBC1000-memory.dmp
memory/3196-118-0x00000000005F0000-0x00000000005F6000-memory.dmp
memory/3508-130-0x0000000000B20000-0x0000000000B26000-memory.dmp
memory/3524-124-0x0000000000F10000-0x0000000000F16000-memory.dmp