tinba | b8fc55e5a5df539b19ebc778c55d2a16cc4115d7da7b8f0c0ff985aca64d902b

General

Target

ee5c2e89a5f9513f960c2253cd2fd2ce6a4f8c4db55d5daf0d0e5cc93b3b020d.exe
Size

52KB
MD5

5677387e86650ea25137cb5bce341349
SHA1

bf3e5583fb2b052a3ca9d9fd53e75c6bab6942d2
SHA256

ee5c2e89a5f9513f960c2253cd2fd2ce6a4f8c4db55d5daf0d0e5cc93b3b020d
SHA512

d0e079e0eef54a32a408e47131633f3b82a3d119fe261c71749f38b1f39188e3d0965da37caa5e9850a0791a8bafdefed566a2c3cbd17c26eeb8f92cdbd9de86
SSDEEP

768:yCCCFlkbwAYbFshpyiB9L9Mx2BWseUCHGAwk5R9J:6bw/6plBTFBYNNR9J

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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\7E8A7A23 = "C:\\Users\\Admin\\AppData\\Roaming\\7E8A7A23\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1504	2648	WerFault.exe	85

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	ee5c2e89a5f9513f960c2253cd2fd2ce6a4f8c4db55d5daf0d0e5cc93b3b020d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2648	winver.exe
2648	winver.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3544	Explorer.EXE
Token: SeCreatePagefilePrivilege	3544	Explorer.EXE
Token: SeShutdownPrivilege	3544	Explorer.EXE
Token: SeCreatePagefilePrivilege	3544	Explorer.EXE
Token: SeShutdownPrivilege	3544	Explorer.EXE
Token: SeCreatePagefilePrivilege	3544	Explorer.EXE
Token: SeShutdownPrivilege	3544	Explorer.EXE
Token: SeCreatePagefilePrivilege	3544	Explorer.EXE
Token: SeShutdownPrivilege	3544	Explorer.EXE
Token: SeCreatePagefilePrivilege	3544	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2648	winver.exe
3544	Explorer.EXE
3544	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3544	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3628 wrote to memory of 2648	3628	ee5c2e89a5f9513f960c2253cd2fd2ce6a4f8c4db55d5daf0d0e5cc93b3b020d.exe	85
PID 3628 wrote to memory of 2648	3628	ee5c2e89a5f9513f960c2253cd2fd2ce6a4f8c4db55d5daf0d0e5cc93b3b020d.exe	85
PID 3628 wrote to memory of 2648	3628	ee5c2e89a5f9513f960c2253cd2fd2ce6a4f8c4db55d5daf0d0e5cc93b3b020d.exe	85
PID 3628 wrote to memory of 2648	3628	ee5c2e89a5f9513f960c2253cd2fd2ce6a4f8c4db55d5daf0d0e5cc93b3b020d.exe	85
PID 2648 wrote to memory of 3544	2648	winver.exe	56
PID 2648 wrote to memory of 768	2648	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:768

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3544
- C:\Users\Admin\AppData\Local\Temp\ee5c2e89a5f9513f960c2253cd2fd2ce6a4f8c4db55d5daf0d0e5cc93b3b020d.exe
  "C:\Users\Admin\AppData\Local\Temp\ee5c2e89a5f9513f960c2253cd2fd2ce6a4f8c4db55d5daf0d0e5cc93b3b020d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3628
- - 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:2648
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2648 -s 352
      4⤵
      Program crash
      PID:1504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2648 -ip 2648
1⤵
PID:3732

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 Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/768-17-0x00007FFFCAD30000-0x00007FFFCAD31000-memory.dmp

Filesize
4KB

Download
memory/768-14-0x0000000000970000-0x0000000000976000-memory.dmp

Filesize
24KB

Download
memory/2648-12-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/2648-4-0x00000000774C2000-0x00000000774C3000-memory.dmp

Filesize
4KB

Download
memory/2648-6-0x00007FFFCAB10000-0x00007FFFCAD05000-memory.dmp

Filesize
2.0MB

Download
memory/2648-15-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/3544-2-0x0000000001260000-0x0000000001266000-memory.dmp

Filesize
24KB

Download
memory/3544-1-0x0000000001260000-0x0000000001266000-memory.dmp

Filesize
24KB

Download
memory/3544-5-0x00007FFFCABAD000-0x00007FFFCABAE000-memory.dmp

Filesize
4KB

Download
memory/3544-7-0x00007FFFCAD40000-0x00007FFFCAD41000-memory.dmp

Filesize
4KB

Download
memory/3544-10-0x00007FFFCAD20000-0x00007FFFCAD21000-memory.dmp

Filesize
4KB

Download
memory/3628-3-0x0000000002220000-0x0000000002C20000-memory.dmp

Filesize
10.0MB

Download
memory/3628-9-0x0000000002220000-0x0000000002C20000-memory.dmp

Filesize
10.0MB

Download
memory/3628-8-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/3628-0-0x0000000002150000-0x0000000002151000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads