tinba | a905c980a0c5b5eb018f57de1c33cc9630815b88834e9d24971eb98ea67a637e

Analysis

max time kernel
150s
max time network
152s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-10-2024 14:48

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General

Target

a905c980a0c5b5eb018f57de1c33cc9630815b88834e9d24971eb98ea67a637eN.exe
Size

68KB
MD5

b5db039ad46cf323f9186c17fd8359b0
SHA1

2d2e48a49acc4de4ec6797402cfabbf459df351b
SHA256

a905c980a0c5b5eb018f57de1c33cc9630815b88834e9d24971eb98ea67a637e
SHA512

a21b58ce7e88a9bd39704eea0bfafa7c76f9533aa7bbf3ec4666560abda8488e4de1f3ef11f70e128c7b62f12b8d35fa2ebd71e05b5b436a3f32902e8f074c2e
SSDEEP

768:uwaGd7Lw/nrrxDL/GOv2/w6HSa0fYSPNZsxRXQ1d2yg/QmWKHZyiVlaW4OHZ0Em:u47urp3v23HSa0AMNyfQ1d2y4Z4P

Score

10^/10

tinba banker discovery persistence trojan

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\33A645A4 = "C:\\Users\\Admin\\AppData\\Roaming\\33A645A4\\bin.exe"	winver.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a905c980a0c5b5eb018f57de1c33cc9630815b88834e9d24971eb98ea67a637eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a905c980a0c5b5eb018f57de1c33cc9630815b88834e9d24971eb98ea67a637eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2668	winver.exe
1192	Explorer.EXE
1192	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1192	Explorer.EXE
1192	Explorer.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2712	a905c980a0c5b5eb018f57de1c33cc9630815b88834e9d24971eb98ea67a637eN.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2712 wrote to memory of 2756	2712	a905c980a0c5b5eb018f57de1c33cc9630815b88834e9d24971eb98ea67a637eN.exe	30
PID 2712 wrote to memory of 2756	2712	a905c980a0c5b5eb018f57de1c33cc9630815b88834e9d24971eb98ea67a637eN.exe	30
PID 2712 wrote to memory of 2756	2712	a905c980a0c5b5eb018f57de1c33cc9630815b88834e9d24971eb98ea67a637eN.exe	30
PID 2712 wrote to memory of 2756	2712	a905c980a0c5b5eb018f57de1c33cc9630815b88834e9d24971eb98ea67a637eN.exe	30
PID 2712 wrote to memory of 2756	2712	a905c980a0c5b5eb018f57de1c33cc9630815b88834e9d24971eb98ea67a637eN.exe	30
PID 2712 wrote to memory of 2756	2712	a905c980a0c5b5eb018f57de1c33cc9630815b88834e9d24971eb98ea67a637eN.exe	30
PID 2712 wrote to memory of 2756	2712	a905c980a0c5b5eb018f57de1c33cc9630815b88834e9d24971eb98ea67a637eN.exe	30
PID 2712 wrote to memory of 2756	2712	a905c980a0c5b5eb018f57de1c33cc9630815b88834e9d24971eb98ea67a637eN.exe	30
PID 2712 wrote to memory of 2756	2712	a905c980a0c5b5eb018f57de1c33cc9630815b88834e9d24971eb98ea67a637eN.exe	30
PID 2712 wrote to memory of 2756	2712	a905c980a0c5b5eb018f57de1c33cc9630815b88834e9d24971eb98ea67a637eN.exe	30
PID 2712 wrote to memory of 2756	2712	a905c980a0c5b5eb018f57de1c33cc9630815b88834e9d24971eb98ea67a637eN.exe	30
PID 2712 wrote to memory of 2756	2712	a905c980a0c5b5eb018f57de1c33cc9630815b88834e9d24971eb98ea67a637eN.exe	30
PID 2712 wrote to memory of 2756	2712	a905c980a0c5b5eb018f57de1c33cc9630815b88834e9d24971eb98ea67a637eN.exe	30
PID 2756 wrote to memory of 2668	2756	a905c980a0c5b5eb018f57de1c33cc9630815b88834e9d24971eb98ea67a637eN.exe	31
PID 2756 wrote to memory of 2668	2756	a905c980a0c5b5eb018f57de1c33cc9630815b88834e9d24971eb98ea67a637eN.exe	31
PID 2756 wrote to memory of 2668	2756	a905c980a0c5b5eb018f57de1c33cc9630815b88834e9d24971eb98ea67a637eN.exe	31
PID 2756 wrote to memory of 2668	2756	a905c980a0c5b5eb018f57de1c33cc9630815b88834e9d24971eb98ea67a637eN.exe	31
PID 2756 wrote to memory of 2668	2756	a905c980a0c5b5eb018f57de1c33cc9630815b88834e9d24971eb98ea67a637eN.exe	31
PID 2668 wrote to memory of 1192	2668	winver.exe	21
PID 2668 wrote to memory of 1096	2668	winver.exe	19
PID 2668 wrote to memory of 1160	2668	winver.exe	20
PID 2668 wrote to memory of 1192	2668	winver.exe	21
PID 2668 wrote to memory of 1772	2668	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1096

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1192
- C:\Users\Admin\AppData\Local\Temp\a905c980a0c5b5eb018f57de1c33cc9630815b88834e9d24971eb98ea67a637eN.exe
  "C:\Users\Admin\AppData\Local\Temp\a905c980a0c5b5eb018f57de1c33cc9630815b88834e9d24971eb98ea67a637eN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2712
- - C:\Users\Admin\AppData\Local\Temp\a905c980a0c5b5eb018f57de1c33cc9630815b88834e9d24971eb98ea67a637eN.exe
    "C:\Users\Admin\AppData\Local\Temp\a905c980a0c5b5eb018f57de1c33cc9630815b88834e9d24971eb98ea67a637eN.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2756
  - - C:\Windows\SysWOW64\winver.exe
      winver
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of FindShellTrayWindow
      Suspicious use of WriteProcessMemory
      PID:2668

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1772

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1096-19-0x0000000000410000-0x0000000000417000-memory.dmp

Filesize
28KB

Download
memory/1096-27-0x0000000000410000-0x0000000000417000-memory.dmp

Filesize
28KB

Download
memory/1096-28-0x00000000776B1000-0x00000000776B2000-memory.dmp

Filesize
4KB

Download
memory/1160-29-0x0000000001AD0000-0x0000000001AD7000-memory.dmp

Filesize
28KB

Download
memory/1160-21-0x0000000001AD0000-0x0000000001AD7000-memory.dmp

Filesize
28KB

Download
memory/1192-32-0x00000000021F0000-0x00000000021F7000-memory.dmp

Filesize
28KB

Download
memory/1192-24-0x00000000021F0000-0x00000000021F7000-memory.dmp

Filesize
28KB

Download
memory/1192-13-0x00000000021E0000-0x00000000021E7000-memory.dmp

Filesize
28KB

Download
memory/1192-7-0x00000000021E0000-0x00000000021E7000-memory.dmp

Filesize
28KB

Download
memory/1192-8-0x00000000021E0000-0x00000000021E7000-memory.dmp

Filesize
28KB

Download
memory/1192-15-0x00000000776B1000-0x00000000776B2000-memory.dmp

Filesize
4KB

Download
memory/1772-34-0x00000000776B1000-0x00000000776B2000-memory.dmp

Filesize
4KB

Download
memory/1772-26-0x0000000001B80000-0x0000000001B87000-memory.dmp

Filesize
28KB

Download
memory/1772-30-0x00000000776B1000-0x00000000776B2000-memory.dmp

Filesize
4KB

Download
memory/1772-31-0x00000000776B1000-0x00000000776B2000-memory.dmp

Filesize
4KB

Download
memory/1772-33-0x0000000001B80000-0x0000000001B87000-memory.dmp

Filesize
28KB

Download
memory/2668-6-0x0000000000D91000-0x0000000000D92000-memory.dmp

Filesize
4KB

Download
memory/2668-16-0x0000000077660000-0x0000000077809000-memory.dmp

Filesize
1.7MB

Download
memory/2668-9-0x0000000000100000-0x0000000000107000-memory.dmp

Filesize
28KB

Download
memory/2668-12-0x0000000000D90000-0x0000000000DA6000-memory.dmp

Filesize
88KB

Download
memory/2668-14-0x000000007785F000-0x0000000077860000-memory.dmp

Filesize
4KB

Download
memory/2712-2-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2712-3-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2756-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2756-5-0x0000000000400000-0x0000000000404A00-memory.dmp

Filesize
18KB

Download