tinba | 8156de8871331cdd39d70e91a16d8e545aa9621d91feeae51663343d15f26a8e

General

Target

8156de8871331cdd39d70e91a16d8e545aa9621d91feeae51663343d15f26a8eN.exe
Size

610KB
MD5

a58157fd2056ad97805685018c4d7380
SHA1

2b5fe03f6fb1a167c1e46644b3620a8420b1b951
SHA256

8156de8871331cdd39d70e91a16d8e545aa9621d91feeae51663343d15f26a8e
SHA512

a44a2ca2af35ab783d41243783df8c468ee4314bca6c1377b043ff27717fc2880330eb6ad052a799e27a1dc60a9b2fca51f366bf72161275b2495bd41dbde2f2
SSDEEP

12288:iATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:cT+KjUdQqboyyWoK1NGqzuhZ

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\CC238518 = "C:\\Users\\Admin\\AppData\\Roaming\\CC238518\\bin.exe"	winver.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	8156de8871331cdd39d70e91a16d8e545aa9621d91feeae51663343d15f26a8eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 47 IoCs

pid	Process
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2548	winver.exe
1224	Explorer.EXE
1224	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1224	Explorer.EXE
1224	Explorer.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 2548	2216	8156de8871331cdd39d70e91a16d8e545aa9621d91feeae51663343d15f26a8eN.exe	30
PID 2216 wrote to memory of 2548	2216	8156de8871331cdd39d70e91a16d8e545aa9621d91feeae51663343d15f26a8eN.exe	30
PID 2216 wrote to memory of 2548	2216	8156de8871331cdd39d70e91a16d8e545aa9621d91feeae51663343d15f26a8eN.exe	30
PID 2216 wrote to memory of 2548	2216	8156de8871331cdd39d70e91a16d8e545aa9621d91feeae51663343d15f26a8eN.exe	30
PID 2216 wrote to memory of 2548	2216	8156de8871331cdd39d70e91a16d8e545aa9621d91feeae51663343d15f26a8eN.exe	30
PID 2548 wrote to memory of 1224	2548	winver.exe	21
PID 2548 wrote to memory of 1092	2548	winver.exe	19
PID 2548 wrote to memory of 1156	2548	winver.exe	20
PID 2548 wrote to memory of 1224	2548	winver.exe	21
PID 2548 wrote to memory of 1704	2548	winver.exe	25
PID 2548 wrote to memory of 2216	2548	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1092

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1156

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1224
- C:\Users\Admin\AppData\Local\Temp\8156de8871331cdd39d70e91a16d8e545aa9621d91feeae51663343d15f26a8eN.exe
  "C:\Users\Admin\AppData\Local\Temp\8156de8871331cdd39d70e91a16d8e545aa9621d91feeae51663343d15f26a8eN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2216
- - 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:2548

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1704

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1092-29-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1092-9-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1156-12-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1156-28-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1224-15-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1224-6-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1224-1-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1224-3-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1224-27-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1704-18-0x0000000001D70000-0x0000000001D76000-memory.dmp

Filesize
24KB

Download
memory/1704-26-0x0000000001D70000-0x0000000001D76000-memory.dmp

Filesize
24KB

Download
memory/2216-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2548-4-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2548-23-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/2548-31-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads