Analysis
- max time kernel
150s - max time network
156s - platform
windows10_x64 - resource
win10v20210408 - submitted
30/08/2021, 06:15
General
- Target 293418efdcb132d625112ce7c8eb629af35ecde4efdbae5f22d275183a1bf590.exe
- Size 1024KB
- Sample210830-6pc3jbg6fe
- SHA256 293418efdcb132d625112ce7c8eb629af35ecde4efdbae5f22d275183a1bf590
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
- Modifies registry class 2 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 23 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k unistacksvcgroup -s CDPUserSvc1⤵
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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 3776 -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⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
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C:\Users\Admin\AppData\Local\Temp\293418efdcb132d625112ce7c8eb629af35ecde4efdbae5f22d275183a1bf590.exe"C:\Users\Admin\AppData\Local\Temp\293418efdcb132d625112ce7c8eb629af35ecde4efdbae5f22d275183a1bf590.exe"2⤵
- Suspicious use of WriteProcessMemory
-
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\sihost.exesihost.exe1⤵
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}1⤵
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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/632-114-0x0000000000400000-0x000000000041A000-memory.dmp
memory/632-116-0x0000000000420000-0x00000000004CE000-memory.dmp
memory/632-117-0x00000000020F0000-0x0000000002AF0000-memory.dmp
memory/684-118-0x00000000010E0000-0x00000000010E6000-memory.dmp
memory/2428-122-0x00007FFB04C70000-0x00007FFB04C71000-memory.dmp
memory/2428-120-0x0000000000400000-0x0000000000406000-memory.dmp
memory/2428-121-0x00007FFB04C80000-0x00007FFB04C81000-memory.dmp
memory/2428-119-0x00007FFB04C90000-0x00007FFB04C91000-memory.dmp
memory/2428-124-0x0000000000430000-0x0000000000436000-memory.dmp
memory/2432-123-0x00000000004A0000-0x00000000004A6000-memory.dmp
memory/2488-125-0x0000000000580000-0x0000000000586000-memory.dmp
memory/2712-126-0x0000000000D50000-0x0000000000D56000-memory.dmp
memory/3188-128-0x0000000000240000-0x0000000000246000-memory.dmp
memory/3512-127-0x0000000000C60000-0x0000000000C66000-memory.dmp
memory/3684-129-0x00000000000B0000-0x00000000000B6000-memory.dmp
memory/4092-130-0x0000000000540000-0x0000000000546000-memory.dmp