tinba | 71118f1120353a76263434044b151595319a72c7df3a64b6da19ddb7e9f2b33a

Analysis

max time kernel
118s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
04-02-2025 23:07

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General

Target

71118f1120353a76263434044b151595319a72c7df3a64b6da19ddb7e9f2b33aN.exe
Size

52KB
MD5

47039deb96b6294554340802a7ae9390
SHA1

e28f7ba0ba317b42b0f78f78c1f84d5dbb9cf08d
SHA256

71118f1120353a76263434044b151595319a72c7df3a64b6da19ddb7e9f2b33a
SHA512

cc9b6eed98721ce7e9f69064c88c3e1a128c950677868763217f85bb8c73738cd36aa35c943ba82f63b3067bfb494a08e7ccf2d329f689c08292d3cc913972ec
SSDEEP

768:wFJINdDJbjHM+XczWsTtNtS4FOycALGBTg8WLxHUUnGgVPs6FjJl9Jh:OI31jJsJNNr6boUSGgVPsWL9Jh

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-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\713AA61E = "C:\\Users\\Admin\\AppData\\Roaming\\713AA61E\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3348	4120	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	71118f1120353a76263434044b151595319a72c7df3a64b6da19ddb7e9f2b33aN.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4120	winver.exe
4120	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3388	Explorer.EXE
Token: SeCreatePagefilePrivilege	3388	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4120	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3388	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3616 wrote to memory of 4120	3616	71118f1120353a76263434044b151595319a72c7df3a64b6da19ddb7e9f2b33aN.exe	87
PID 3616 wrote to memory of 4120	3616	71118f1120353a76263434044b151595319a72c7df3a64b6da19ddb7e9f2b33aN.exe	87
PID 3616 wrote to memory of 4120	3616	71118f1120353a76263434044b151595319a72c7df3a64b6da19ddb7e9f2b33aN.exe	87
PID 3616 wrote to memory of 4120	3616	71118f1120353a76263434044b151595319a72c7df3a64b6da19ddb7e9f2b33aN.exe	87
PID 4120 wrote to memory of 3388	4120	winver.exe	56
PID 4120 wrote to memory of 2184	4120	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2184

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3388
- C:\Users\Admin\AppData\Local\Temp\71118f1120353a76263434044b151595319a72c7df3a64b6da19ddb7e9f2b33aN.exe
  "C:\Users\Admin\AppData\Local\Temp\71118f1120353a76263434044b151595319a72c7df3a64b6da19ddb7e9f2b33aN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3616
- - 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:4120
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4120 -s 352
      4⤵
      Program crash
      PID:3348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4120 -ip 4120
1⤵
PID:560

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2184-13-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/3388-5-0x00007FFFCB8AD000-0x00007FFFCB8AE000-memory.dmp

Filesize
4KB

Download
memory/3388-2-0x00000000011C0000-0x00000000011C6000-memory.dmp

Filesize
24KB

Download
memory/3388-1-0x00000000011C0000-0x00000000011C6000-memory.dmp

Filesize
24KB

Download
memory/3388-9-0x00007FFFCBA40000-0x00007FFFCBA41000-memory.dmp

Filesize
4KB

Download
memory/3616-3-0x00000000022C0000-0x0000000002CC0000-memory.dmp

Filesize
10.0MB

Download
memory/3616-7-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3616-8-0x00000000022C0000-0x0000000002CC0000-memory.dmp

Filesize
10.0MB

Download
memory/3616-0-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/4120-6-0x00007FFFCB810000-0x00007FFFCBA05000-memory.dmp

Filesize
2.0MB

Download
memory/4120-4-0x00000000779A2000-0x00000000779A3000-memory.dmp

Filesize
4KB

Download
memory/4120-11-0x0000000000BE0000-0x0000000000BE6000-memory.dmp

Filesize
24KB

Download
memory/4120-14-0x0000000000BE0000-0x0000000000BE6000-memory.dmp

Filesize
24KB

Download