tinba | e6a9b4f9b5f7eefa8869022a59e6bc6327ab74fff1819feb907c0de939a272cb

General

Target

8d389194a6aa4dc6aa6165a9bdc9095fb6eb4d55c76797fd458128721ac2ba6c.exe
Size

96KB
MD5

65c62d6bb00bdd797b287553cc7d841b
SHA1

da69dd05a4887f5a8e27cbacd3801caea1abcfae
SHA256

8d389194a6aa4dc6aa6165a9bdc9095fb6eb4d55c76797fd458128721ac2ba6c
SHA512

e6149ef7ddfc0d55b45ce5e4802ba065831d5954490702b7eca706de0d0a9a83b8d0a28f09ea5544dbd01ad61d17bafb52c39675cfeace611df0d26c51c1ceb6
SSDEEP

1536:1iLOvRmmQegJW3aOgBbmAQ256/ZrwWnwqjhurmKFct:1iyvRmQKTLs/ZrwWJjAqGct

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-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\77F4284A = "C:\\Users\\Admin\\AppData\\Roaming\\77F4284A\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1672	3892	WerFault.exe	86

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	8d389194a6aa4dc6aa6165a9bdc9095fb6eb4d55c76797fd458128721ac2ba6c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3892	winver.exe
3892	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3420	Explorer.EXE
Token: SeCreatePagefilePrivilege	3420	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3892	winver.exe
3420	Explorer.EXE
3420	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3420	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4620 wrote to memory of 3892	4620	8d389194a6aa4dc6aa6165a9bdc9095fb6eb4d55c76797fd458128721ac2ba6c.exe	86
PID 4620 wrote to memory of 3892	4620	8d389194a6aa4dc6aa6165a9bdc9095fb6eb4d55c76797fd458128721ac2ba6c.exe	86
PID 4620 wrote to memory of 3892	4620	8d389194a6aa4dc6aa6165a9bdc9095fb6eb4d55c76797fd458128721ac2ba6c.exe	86
PID 4620 wrote to memory of 3892	4620	8d389194a6aa4dc6aa6165a9bdc9095fb6eb4d55c76797fd458128721ac2ba6c.exe	86
PID 3892 wrote to memory of 3420	3892	winver.exe	55
PID 3892 wrote to memory of 2996	3892	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2996

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3420
- C:\Users\Admin\AppData\Local\Temp\8d389194a6aa4dc6aa6165a9bdc9095fb6eb4d55c76797fd458128721ac2ba6c.exe
  "C:\Users\Admin\AppData\Local\Temp\8d389194a6aa4dc6aa6165a9bdc9095fb6eb4d55c76797fd458128721ac2ba6c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4620
- - 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:3892
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 352
      4⤵
      Program crash
      PID:1672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3892 -ip 3892
1⤵
PID:2700

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

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Downloads

memory/2996-14-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/3420-10-0x00007FF8C0660000-0x00007FF8C0661000-memory.dmp

Filesize
4KB

Download
memory/3420-1-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/3420-2-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/3420-5-0x00007FF8C04ED000-0x00007FF8C04EE000-memory.dmp

Filesize
4KB

Download
memory/3420-7-0x00007FF8C0680000-0x00007FF8C0681000-memory.dmp

Filesize
4KB

Download
memory/3892-15-0x0000000000D80000-0x0000000000D86000-memory.dmp

Filesize
24KB

Download
memory/3892-4-0x0000000077DA2000-0x0000000077DA3000-memory.dmp

Filesize
4KB

Download
memory/3892-6-0x00007FF8C0450000-0x00007FF8C0645000-memory.dmp

Filesize
2.0MB

Download
memory/3892-12-0x0000000000D80000-0x0000000000D86000-memory.dmp

Filesize
24KB

Download
memory/4620-3-0x00000000022B0000-0x0000000002CB0000-memory.dmp

Filesize
10.0MB

Download
memory/4620-9-0x00000000022B0000-0x0000000002CB0000-memory.dmp

Filesize
10.0MB

Download
memory/4620-8-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4620-0-0x0000000000560000-0x0000000000561000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads