tinba | 211fcae029e419ba60bf07b3a1f5036aa6e1761db023a501c3d2e2efb45fbc6b

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-11-2024 20:34

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General

Target

211fcae029e419ba60bf07b3a1f5036aa6e1761db023a501c3d2e2efb45fbc6b.exe
Size

106KB
MD5

70e274dec4311a8c91217e659a84be25
SHA1

27870efcbe8990133cbb49910c50ca5568b5340b
SHA256

211fcae029e419ba60bf07b3a1f5036aa6e1761db023a501c3d2e2efb45fbc6b
SHA512

c8d28a0c8e72577f849bc3a26af2c4b7fdec7f44f7ffd8a5c617198688eeeff49da86e11e906da83a922d54b386d2f709c14b0f7acea46135ffeb1d33b22925c
SSDEEP

768:R+6p+OMlgGXCWhfDzU7f0JDgi9I57+sByZ+XsfXpwtG9ipelU9JA:R+mFM2QXtZgi9Iksu+XM57ipeq9JA

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
Tinba family
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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\8DB9753F = "C:\\Users\\Admin\\AppData\\Roaming\\8DB9753F\\bin.exe"	winver.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	211fcae029e419ba60bf07b3a1f5036aa6e1761db023a501c3d2e2efb45fbc6b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2156	winver.exe
1112	Explorer.EXE
1112	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1112	Explorer.EXE
1112	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 2156	2504	211fcae029e419ba60bf07b3a1f5036aa6e1761db023a501c3d2e2efb45fbc6b.exe	31
PID 2504 wrote to memory of 2156	2504	211fcae029e419ba60bf07b3a1f5036aa6e1761db023a501c3d2e2efb45fbc6b.exe	31
PID 2504 wrote to memory of 2156	2504	211fcae029e419ba60bf07b3a1f5036aa6e1761db023a501c3d2e2efb45fbc6b.exe	31
PID 2504 wrote to memory of 2156	2504	211fcae029e419ba60bf07b3a1f5036aa6e1761db023a501c3d2e2efb45fbc6b.exe	31
PID 2504 wrote to memory of 2156	2504	211fcae029e419ba60bf07b3a1f5036aa6e1761db023a501c3d2e2efb45fbc6b.exe	31
PID 2156 wrote to memory of 1112	2156	winver.exe	20
PID 2156 wrote to memory of 1032	2156	winver.exe	17
PID 2156 wrote to memory of 1048	2156	winver.exe	18
PID 2156 wrote to memory of 1112	2156	winver.exe	20
PID 2156 wrote to memory of 1420	2156	winver.exe	25

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1032

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1048

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1112
- C:\Users\Admin\AppData\Local\Temp\211fcae029e419ba60bf07b3a1f5036aa6e1761db023a501c3d2e2efb45fbc6b.exe
  "C:\Users\Admin\AppData\Local\Temp\211fcae029e419ba60bf07b3a1f5036aa6e1761db023a501c3d2e2efb45fbc6b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2504
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2156

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1420

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/1032-25-0x0000000076ED1000-0x0000000076ED2000-memory.dmp

Filesize
4KB

Download
memory/1032-24-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1048-21-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1048-31-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1112-23-0x00000000024E0000-0x00000000024E6000-memory.dmp

Filesize
24KB

Download
memory/1112-10-0x0000000076ED1000-0x0000000076ED2000-memory.dmp

Filesize
4KB

Download
memory/1112-4-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1112-3-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1112-2-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1112-29-0x00000000024E0000-0x00000000024E6000-memory.dmp

Filesize
24KB

Download
memory/1420-30-0x0000000076ED1000-0x0000000076ED2000-memory.dmp

Filesize
4KB

Download
memory/1420-28-0x0000000001E60000-0x0000000001E66000-memory.dmp

Filesize
24KB

Download
memory/1420-32-0x0000000001E60000-0x0000000001E66000-memory.dmp

Filesize
24KB

Download
memory/2156-7-0x0000000077080000-0x0000000077081000-memory.dmp

Filesize
4KB

Download
memory/2156-6-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/2156-8-0x000000007707F000-0x0000000077080000-memory.dmp

Filesize
4KB

Download
memory/2156-9-0x000000007707F000-0x0000000077081000-memory.dmp

Filesize
8KB

Download
memory/2156-11-0x0000000076E80000-0x0000000077029000-memory.dmp

Filesize
1.7MB

Download
memory/2156-33-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/2156-38-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2504-0-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2504-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2504-5-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/2504-13-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/2504-12-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download