tinba | 8b0c362c99fdc1ca4103212c04e13917e0514543b0862aa9096a432d01dbdc49

General

Target

8b0c362c99fdc1ca4103212c04e13917e0514543b0862aa9096a432d01dbdc49N.exe
Size

45KB
MD5

cadc7f3f1dd96daf56fea08d4a8b1d80
SHA1

63372f86a69ae844d8c96d1d30de293da9150bbd
SHA256

8b0c362c99fdc1ca4103212c04e13917e0514543b0862aa9096a432d01dbdc49
SHA512

80b703f8ef56c146386388d28dd42352232b9f2e9dfed38bcf65f74371bdeecd54f37f191fc95bea56ad4853b15acc65dd68467a39d699d8908b99e6eca2bac8
SSDEEP

768:ShP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:esWE9N5dFu53dsniQaB/xZ14n7zIF+qr

Score

10^/10

tinba banker discovery persistence trojan upx

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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\498E4CE6 = "C:\\Users\\Admin\\AppData\\Roaming\\498E4CE6\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3496-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2392	4844	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	8b0c362c99fdc1ca4103212c04e13917e0514543b0862aa9096a432d01dbdc49N.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
4844	winver.exe
4844	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4844	winver.exe
3476	Explorer.EXE
3476	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3476	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3496 wrote to memory of 4844	3496	8b0c362c99fdc1ca4103212c04e13917e0514543b0862aa9096a432d01dbdc49N.exe	85
PID 3496 wrote to memory of 4844	3496	8b0c362c99fdc1ca4103212c04e13917e0514543b0862aa9096a432d01dbdc49N.exe	85
PID 3496 wrote to memory of 4844	3496	8b0c362c99fdc1ca4103212c04e13917e0514543b0862aa9096a432d01dbdc49N.exe	85
PID 3496 wrote to memory of 4844	3496	8b0c362c99fdc1ca4103212c04e13917e0514543b0862aa9096a432d01dbdc49N.exe	85
PID 4844 wrote to memory of 3476	4844	winver.exe	56
PID 4844 wrote to memory of 2684	4844	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2684

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:3476
- C:\Users\Admin\AppData\Local\Temp\8b0c362c99fdc1ca4103212c04e13917e0514543b0862aa9096a432d01dbdc49N.exe
  "C:\Users\Admin\AppData\Local\Temp\8b0c362c99fdc1ca4103212c04e13917e0514543b0862aa9096a432d01dbdc49N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3496
- - 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:4844
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4844 -s 352
      4⤵
      Program crash
      PID:2392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 4844 -ip 4844
1⤵
PID:1556

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/2684-16-0x00000000009B0000-0x00000000009B6000-memory.dmp

Filesize
24KB

Download
memory/2684-19-0x00007FFACFFD0000-0x00007FFACFFD1000-memory.dmp

Filesize
4KB

Download
memory/3476-2-0x0000000001230000-0x0000000001236000-memory.dmp

Filesize
24KB

Download
memory/3476-3-0x0000000001230000-0x0000000001236000-memory.dmp

Filesize
24KB

Download
memory/3476-6-0x00007FFACFE4D000-0x00007FFACFE4E000-memory.dmp

Filesize
4KB

Download
memory/3476-8-0x00007FFACFFE0000-0x00007FFACFFE1000-memory.dmp

Filesize
4KB

Download
memory/3476-12-0x00007FFACFFC0000-0x00007FFACFFC1000-memory.dmp

Filesize
4KB

Download
memory/3496-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/3496-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3496-4-0x00000000023E0000-0x0000000002DE0000-memory.dmp

Filesize
10.0MB

Download
memory/3496-10-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3496-11-0x00000000023E0000-0x0000000002DE0000-memory.dmp

Filesize
10.0MB

Download
memory/4844-5-0x0000000077552000-0x0000000077553000-memory.dmp

Filesize
4KB

Download
memory/4844-14-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/4844-17-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/4844-7-0x00007FFACFDB0000-0x00007FFACFFA5000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads