tinba | 8f06310b2d6783791b5ddcc6cea1abf24073de5eef49731490f6f9e3e9dd0c55

General

Target

8f06310b2d6783791b5ddcc6cea1abf24073de5eef49731490f6f9e3e9dd0c55N.exe
Size

98KB
MD5

31029f103caa1f2819d7ed7eb8762b00
SHA1

db8d1ebad89f862f1d5c7b93613eeee8813198bf
SHA256

8f06310b2d6783791b5ddcc6cea1abf24073de5eef49731490f6f9e3e9dd0c55
SHA512

6ad4bae399c00cb7300e220c375eb59c9364872d30179ce7cde82b60634ccc0c3458b626cac1232cd735349c3d5c9b97846bbf1b25aa5e01199f05484bb0d33a
SSDEEP

768:s+6p+OMlgGMCWhfDzU7f7JDgi9I57+sByZ+XsfXpwtG9ipelU9JF:s+mFM2HXKZgi9Iksu+XM57ipeq9JF

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0F65DAD3 = "C:\\Users\\Admin\\AppData\\Roaming\\0F65DAD3\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
64	3144	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	8f06310b2d6783791b5ddcc6cea1abf24073de5eef49731490f6f9e3e9dd0c55N.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
3144	winver.exe
3144	winver.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

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

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3144	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 2344 wrote to memory of 3144	2344	8f06310b2d6783791b5ddcc6cea1abf24073de5eef49731490f6f9e3e9dd0c55N.exe	85
PID 2344 wrote to memory of 3144	2344	8f06310b2d6783791b5ddcc6cea1abf24073de5eef49731490f6f9e3e9dd0c55N.exe	85
PID 2344 wrote to memory of 3144	2344	8f06310b2d6783791b5ddcc6cea1abf24073de5eef49731490f6f9e3e9dd0c55N.exe	85
PID 2344 wrote to memory of 3144	2344	8f06310b2d6783791b5ddcc6cea1abf24073de5eef49731490f6f9e3e9dd0c55N.exe	85
PID 3144 wrote to memory of 3420	3144	winver.exe	56
PID 3144 wrote to memory of 2836	3144	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2836

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\8f06310b2d6783791b5ddcc6cea1abf24073de5eef49731490f6f9e3e9dd0c55N.exe
  "C:\Users\Admin\AppData\Local\Temp\8f06310b2d6783791b5ddcc6cea1abf24073de5eef49731490f6f9e3e9dd0c55N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2344
- - 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:3144
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 352
      4⤵
      Program crash
      PID:64

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3144 -ip 3144
1⤵
PID:4876

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/2344-9-0x0000000002110000-0x0000000002B10000-memory.dmp

Filesize
10.0MB

Download
memory/2344-3-0x0000000002110000-0x0000000002B10000-memory.dmp

Filesize
10.0MB

Download
memory/2344-8-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2344-0-0x0000000002020000-0x0000000002021000-memory.dmp

Filesize
4KB

Download
memory/2836-17-0x00007FFBCBA90000-0x00007FFBCBA91000-memory.dmp

Filesize
4KB

Download
memory/2836-14-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/3144-12-0x0000000002CB0000-0x0000000002CB6000-memory.dmp

Filesize
24KB

Download
memory/3144-15-0x0000000002CB0000-0x0000000002CB6000-memory.dmp

Filesize
24KB

Download
memory/3144-4-0x0000000077E72000-0x0000000077E73000-memory.dmp

Filesize
4KB

Download
memory/3144-6-0x00007FFBCB870000-0x00007FFBCBA65000-memory.dmp

Filesize
2.0MB

Download
memory/3420-5-0x00007FFBCB90D000-0x00007FFBCB90E000-memory.dmp

Filesize
4KB

Download
memory/3420-10-0x00007FFBCBA80000-0x00007FFBCBA81000-memory.dmp

Filesize
4KB

Download
memory/3420-2-0x0000000002690000-0x0000000002696000-memory.dmp

Filesize
24KB

Download
memory/3420-7-0x00007FFBCBAA0000-0x00007FFBCBAA1000-memory.dmp

Filesize
4KB

Download
memory/3420-1-0x0000000002690000-0x0000000002696000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads