tinba | 98266c183b927d8e55d1a8ecb9353d90d1a0aa860ddc8d11a4ffaf8fd0704713

General

Target

98266c183b927d8e55d1a8ecb9353d90d1a0aa860ddc8d11a4ffaf8fd0704713.exe
Size

225KB
MD5

7a26f5a78bdea84f69288678d3075f01
SHA1

3bd322e32dbe90843da98a03cc40d72ec9eeaaf2
SHA256

98266c183b927d8e55d1a8ecb9353d90d1a0aa860ddc8d11a4ffaf8fd0704713
SHA512

4dec17c50afbfa1f66f4c8a682893185ff5f0fc41345cefa1dccb45484fb190b9abd65ae5d6781cf5115bbb06874b8661051cb2d50cd44bf8cbf86a08001810f
SSDEEP

6144:7A2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:7ATuTAnKGwUAW3ycQqgn

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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\F722131F = "C:\\Users\\Admin\\AppData\\Roaming\\F722131F\\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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	98266c183b927d8e55d1a8ecb9353d90d1a0aa860ddc8d11a4ffaf8fd0704713.exe

Suspicious behavior: EnumeratesProcesses 46 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

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2548	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2940 wrote to memory of 2548	2940	98266c183b927d8e55d1a8ecb9353d90d1a0aa860ddc8d11a4ffaf8fd0704713.exe	31
PID 2940 wrote to memory of 2548	2940	98266c183b927d8e55d1a8ecb9353d90d1a0aa860ddc8d11a4ffaf8fd0704713.exe	31
PID 2940 wrote to memory of 2548	2940	98266c183b927d8e55d1a8ecb9353d90d1a0aa860ddc8d11a4ffaf8fd0704713.exe	31
PID 2940 wrote to memory of 2548	2940	98266c183b927d8e55d1a8ecb9353d90d1a0aa860ddc8d11a4ffaf8fd0704713.exe	31
PID 2940 wrote to memory of 2548	2940	98266c183b927d8e55d1a8ecb9353d90d1a0aa860ddc8d11a4ffaf8fd0704713.exe	31
PID 2548 wrote to memory of 1052	2548	winver.exe	18
PID 2548 wrote to memory of 1028	2548	winver.exe	17
PID 2548 wrote to memory of 1052	2548	winver.exe	18
PID 2548 wrote to memory of 1088	2548	winver.exe	19
PID 2548 wrote to memory of 1816	2548	winver.exe	25

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1028

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1052
- C:\Users\Admin\AppData\Local\Temp\98266c183b927d8e55d1a8ecb9353d90d1a0aa860ddc8d11a4ffaf8fd0704713.exe
  "C:\Users\Admin\AppData\Local\Temp\98266c183b927d8e55d1a8ecb9353d90d1a0aa860ddc8d11a4ffaf8fd0704713.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2940
- - 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\taskhost.exe
"taskhost.exe"
1⤵
PID:1088

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1816

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/1028-11-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1028-27-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1052-14-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1052-6-0x0000000002620000-0x0000000002626000-memory.dmp

Filesize
24KB

Download
memory/1052-1-0x0000000002620000-0x0000000002626000-memory.dmp

Filesize
24KB

Download
memory/1052-3-0x0000000002620000-0x0000000002626000-memory.dmp

Filesize
24KB

Download
memory/1052-25-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1088-17-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1088-26-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1816-20-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/1816-24-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/2548-4-0x0000000000650000-0x0000000000656000-memory.dmp

Filesize
24KB

Download
memory/2548-23-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/2548-29-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/2940-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads