tinba | f9f4fb11251898770f3255c668061a32e07c9df977c0fd152c65111a38d33c08

General

Target

f9f4fb11251898770f3255c668061a32e07c9df977c0fd152c65111a38d33c08.exe
Size

106KB
MD5

244c1f65159df53f7332e673cd57e887
SHA1

c6d25c750b3e74966389c04847e1473975ba1d91
SHA256

f9f4fb11251898770f3255c668061a32e07c9df977c0fd152c65111a38d33c08
SHA512

b8ba9bfe157c3cb7255bde9d906c0e37747ad25f017b2d2bbf920b3dc29f168d21ff7f4327ce20cd6583e076e4e730303ab6dab4a8a13ebe5d10bed71f4243fa
SSDEEP

768:h+6p+OMlgGXCWhfDzU7f0JDgi9I57+sByZ+XsfXpwtG9ipelU9JA:h+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

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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0E279FA1 = "C:\\Users\\Admin\\AppData\\Roaming\\0E279FA1\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3936	3036	WerFault.exe	87

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	f9f4fb11251898770f3255c668061a32e07c9df977c0fd152c65111a38d33c08.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
3036	winver.exe
3036	winver.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3036	winver.exe
3528	Explorer.EXE
3528	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3528	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1376 wrote to memory of 3036	1376	f9f4fb11251898770f3255c668061a32e07c9df977c0fd152c65111a38d33c08.exe	87
PID 1376 wrote to memory of 3036	1376	f9f4fb11251898770f3255c668061a32e07c9df977c0fd152c65111a38d33c08.exe	87
PID 1376 wrote to memory of 3036	1376	f9f4fb11251898770f3255c668061a32e07c9df977c0fd152c65111a38d33c08.exe	87
PID 1376 wrote to memory of 3036	1376	f9f4fb11251898770f3255c668061a32e07c9df977c0fd152c65111a38d33c08.exe	87
PID 3036 wrote to memory of 3528	3036	winver.exe	56
PID 3036 wrote to memory of 2640	3036	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2640

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:3528
- C:\Users\Admin\AppData\Local\Temp\f9f4fb11251898770f3255c668061a32e07c9df977c0fd152c65111a38d33c08.exe
  "C:\Users\Admin\AppData\Local\Temp\f9f4fb11251898770f3255c668061a32e07c9df977c0fd152c65111a38d33c08.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1376
- - 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:3036
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 352
      4⤵
      Program crash
      PID:3936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3036 -ip 3036
1⤵
PID:3164

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/1376-9-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1376-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/1376-4-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/1376-0-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1376-10-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/2640-18-0x00007FFAB8DB0000-0x00007FFAB8DB1000-memory.dmp

Filesize
4KB

Download
memory/2640-17-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/2640-15-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/3036-13-0x0000000000D60000-0x0000000000D66000-memory.dmp

Filesize
24KB

Download
memory/3036-7-0x00007FFAB8B90000-0x00007FFAB8D85000-memory.dmp

Filesize
2.0MB

Download
memory/3036-5-0x0000000077432000-0x0000000077433000-memory.dmp

Filesize
4KB

Download
memory/3036-16-0x0000000000D60000-0x0000000000D66000-memory.dmp

Filesize
24KB

Download
memory/3528-8-0x00007FFAB8DC0000-0x00007FFAB8DC1000-memory.dmp

Filesize
4KB

Download
memory/3528-11-0x00007FFAB8DA0000-0x00007FFAB8DA1000-memory.dmp

Filesize
4KB

Download
memory/3528-6-0x00007FFAB8C2D000-0x00007FFAB8C2E000-memory.dmp

Filesize
4KB

Download
memory/3528-2-0x0000000000D70000-0x0000000000D76000-memory.dmp

Filesize
24KB

Download
memory/3528-3-0x0000000000D70000-0x0000000000D76000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads