tinba | 8525d41164c34fec50e9e7075cfdbfafa4e8413a72a430a2517499e0772fd257

General

Target

ab2a9c294555f8be58430eef220ce3812dc01ca9b3478806464e6f69e491c7aa.exe
Size

96KB
MD5

4d943e11191eac4f61834e3c9f9a0168
SHA1

2fedc1de71f27d21f0924683191cf826be90e594
SHA256

ab2a9c294555f8be58430eef220ce3812dc01ca9b3478806464e6f69e491c7aa
SHA512

a648ac664ef4ef373dcd1db193acd79bacaef2ec38c0d4869d8220e5cfdf71003130da61b8c501a514cbe95a3db4cd7c0218cefeaab1e8a9e3e66bc3664b4e2b
SSDEEP

1536:ciLOvRmmQegJW3aOgBbmAQ256/ZrwWnwqjhurmKFct:ciyvRmQKTLs/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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6A515BB3 = "C:\\Users\\Admin\\AppData\\Roaming\\6A515BB3\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3568	3400	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	ab2a9c294555f8be58430eef220ce3812dc01ca9b3478806464e6f69e491c7aa.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
3400	winver.exe
3400	winver.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3480	Explorer.EXE
Token: SeCreatePagefilePrivilege	3480	Explorer.EXE
Token: SeShutdownPrivilege	3480	Explorer.EXE
Token: SeCreatePagefilePrivilege	3480	Explorer.EXE
Token: SeShutdownPrivilege	3480	Explorer.EXE
Token: SeCreatePagefilePrivilege	3480	Explorer.EXE
Token: SeShutdownPrivilege	3480	Explorer.EXE
Token: SeCreatePagefilePrivilege	3480	Explorer.EXE
Token: SeShutdownPrivilege	3480	Explorer.EXE
Token: SeCreatePagefilePrivilege	3480	Explorer.EXE
Token: SeShutdownPrivilege	3480	Explorer.EXE
Token: SeCreatePagefilePrivilege	3480	Explorer.EXE
Token: SeShutdownPrivilege	3480	Explorer.EXE
Token: SeCreatePagefilePrivilege	3480	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3400	winver.exe
3480	Explorer.EXE
3480	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3480	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 964 wrote to memory of 3400	964	ab2a9c294555f8be58430eef220ce3812dc01ca9b3478806464e6f69e491c7aa.exe	85
PID 964 wrote to memory of 3400	964	ab2a9c294555f8be58430eef220ce3812dc01ca9b3478806464e6f69e491c7aa.exe	85
PID 964 wrote to memory of 3400	964	ab2a9c294555f8be58430eef220ce3812dc01ca9b3478806464e6f69e491c7aa.exe	85
PID 964 wrote to memory of 3400	964	ab2a9c294555f8be58430eef220ce3812dc01ca9b3478806464e6f69e491c7aa.exe	85
PID 3400 wrote to memory of 3480	3400	winver.exe	55
PID 3400 wrote to memory of 2620	3400	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2620

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:3480
- C:\Users\Admin\AppData\Local\Temp\ab2a9c294555f8be58430eef220ce3812dc01ca9b3478806464e6f69e491c7aa.exe
  "C:\Users\Admin\AppData\Local\Temp\ab2a9c294555f8be58430eef220ce3812dc01ca9b3478806464e6f69e491c7aa.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:964
- - 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:3400
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3400 -s 352
      4⤵
      Program crash
      PID:3568

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3400 -ip 3400
1⤵
PID:3440

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/964-9-0x0000000002340000-0x0000000002D40000-memory.dmp

Filesize
10.0MB

Download
memory/964-0-0x0000000002150000-0x0000000002151000-memory.dmp

Filesize
4KB

Download
memory/964-8-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/964-3-0x0000000002340000-0x0000000002D40000-memory.dmp

Filesize
10.0MB

Download
memory/2620-14-0x0000000000F00000-0x0000000000F06000-memory.dmp

Filesize
24KB

Download
memory/2620-16-0x0000000000F00000-0x0000000000F06000-memory.dmp

Filesize
24KB

Download
memory/2620-17-0x00007FFBE2E10000-0x00007FFBE2E11000-memory.dmp

Filesize
4KB

Download
memory/3400-4-0x0000000077D22000-0x0000000077D23000-memory.dmp

Filesize
4KB

Download
memory/3400-6-0x00007FFBE2BF0000-0x00007FFBE2DE5000-memory.dmp

Filesize
2.0MB

Download
memory/3400-12-0x0000000002A10000-0x0000000002A16000-memory.dmp

Filesize
24KB

Download
memory/3400-15-0x0000000002A10000-0x0000000002A16000-memory.dmp

Filesize
24KB

Download
memory/3480-7-0x00007FFBE2E20000-0x00007FFBE2E21000-memory.dmp

Filesize
4KB

Download
memory/3480-5-0x00007FFBE2C8D000-0x00007FFBE2C8E000-memory.dmp

Filesize
4KB

Download
memory/3480-1-0x0000000000CC0000-0x0000000000CC6000-memory.dmp

Filesize
24KB

Download
memory/3480-10-0x00007FFBE2E00000-0x00007FFBE2E01000-memory.dmp

Filesize
4KB

Download
memory/3480-2-0x0000000000CC0000-0x0000000000CC6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads