tinba | 5aefec9fe643bcc40d5e7c7dfcbd018486aa4a32fe16aee152ffec4f74fb9d47

General

Target

5aefec9fe643bcc40d5e7c7dfcbd018486aa4a32fe16aee152ffec4f74fb9d47N.exe
Size

59KB
MD5

a58e1223a4110108b857e24dd054cba0
SHA1

d952bd5eb22d09092b86e154636408067e555604
SHA256

5aefec9fe643bcc40d5e7c7dfcbd018486aa4a32fe16aee152ffec4f74fb9d47
SHA512

2606062e6dadab679dbef725ab97e2afd01f1013164f371f8fd65494b98b47866044de85d4525f85ba3aae317d0f5829da45a9220486264b3c11fcb085851d7b
SSDEEP

768:w+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9J1:w+mFM2HXKZgiFP7xIksu+XM5O9J1

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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\05DDCF16 = "C:\\Users\\Admin\\AppData\\Roaming\\05DDCF16\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3172	4252	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	5aefec9fe643bcc40d5e7c7dfcbd018486aa4a32fe16aee152ffec4f74fb9d47N.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
4252	winver.exe
4252	winver.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3500	Explorer.EXE
Token: SeCreatePagefilePrivilege	3500	Explorer.EXE
Token: SeShutdownPrivilege	3500	Explorer.EXE
Token: SeCreatePagefilePrivilege	3500	Explorer.EXE
Token: SeShutdownPrivilege	3500	Explorer.EXE
Token: SeCreatePagefilePrivilege	3500	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4252	winver.exe
3500	Explorer.EXE
3500	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3500	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4040 wrote to memory of 4252	4040	5aefec9fe643bcc40d5e7c7dfcbd018486aa4a32fe16aee152ffec4f74fb9d47N.exe	85
PID 4040 wrote to memory of 4252	4040	5aefec9fe643bcc40d5e7c7dfcbd018486aa4a32fe16aee152ffec4f74fb9d47N.exe	85
PID 4040 wrote to memory of 4252	4040	5aefec9fe643bcc40d5e7c7dfcbd018486aa4a32fe16aee152ffec4f74fb9d47N.exe	85
PID 4040 wrote to memory of 4252	4040	5aefec9fe643bcc40d5e7c7dfcbd018486aa4a32fe16aee152ffec4f74fb9d47N.exe	85
PID 4252 wrote to memory of 3500	4252	winver.exe	56
PID 4252 wrote to memory of 2896	4252	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2896

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:3500
- C:\Users\Admin\AppData\Local\Temp\5aefec9fe643bcc40d5e7c7dfcbd018486aa4a32fe16aee152ffec4f74fb9d47N.exe
  "C:\Users\Admin\AppData\Local\Temp\5aefec9fe643bcc40d5e7c7dfcbd018486aa4a32fe16aee152ffec4f74fb9d47N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4040
- - 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:4252
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4252 -s 356
      4⤵
      Program crash
      PID:3172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4252 -ip 4252
1⤵
PID:2164

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

Loading Replay Monitor...

Downloads

memory/2896-17-0x00007FFCC3A70000-0x00007FFCC3A71000-memory.dmp

Filesize
4KB

Download
memory/2896-14-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download
memory/3500-8-0x00007FFCC3A80000-0x00007FFCC3A81000-memory.dmp

Filesize
4KB

Download
memory/3500-2-0x0000000003230000-0x0000000003236000-memory.dmp

Filesize
24KB

Download
memory/3500-1-0x0000000003230000-0x0000000003236000-memory.dmp

Filesize
24KB

Download
memory/3500-5-0x00007FFCC38ED000-0x00007FFCC38EE000-memory.dmp

Filesize
4KB

Download
memory/3500-10-0x00007FFCC3A60000-0x00007FFCC3A61000-memory.dmp

Filesize
4KB

Download
memory/4040-3-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/4040-9-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/4040-7-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4040-0-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/4252-6-0x00007FFCC3850000-0x00007FFCC3A45000-memory.dmp

Filesize
2.0MB

Download
memory/4252-12-0x00000000022B0000-0x00000000022B6000-memory.dmp

Filesize
24KB

Download
memory/4252-4-0x0000000077482000-0x0000000077483000-memory.dmp

Filesize
4KB

Download
memory/4252-15-0x00000000022B0000-0x00000000022B6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads