tinba | 8e72b36486d0ffd233fac35573c12af737cfb9d4bf41ae5e8ddbc5906340d332

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-01-2025 01:59

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General

Target

8e72b36486d0ffd233fac35573c12af737cfb9d4bf41ae5e8ddbc5906340d332.exe
Size

54KB
MD5

e4a40ac8e9842429743c32cfa145c448
SHA1

4efee31b489575da727553ef6deda659155a461d
SHA256

8e72b36486d0ffd233fac35573c12af737cfb9d4bf41ae5e8ddbc5906340d332
SHA512

2d3efc20640b15f18145c6bfa8573bd0cd8278a59b5eec9dbbf7b97d7a87869f3c2cdf9c41004c5bf3578c6315c61bb32d38eb94a0fc4ccf0d01e8a8eb77a385
SSDEEP

768:+3CCRtWM5usSRJDTlLTOpJiqRZNoCRtxihG1gfFNsHWP4jBi:25tPusSRJDTlLTOpJiaDjts4gfFi2+g

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\52F39C0B = "C:\\Users\\Admin\\AppData\\Roaming\\52F39C0B\\bin.exe"	winver.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2156 set thread context of 2696	2156	8e72b36486d0ffd233fac35573c12af737cfb9d4bf41ae5e8ddbc5906340d332.exe	30

System Location Discovery: System Language Discovery 1 TTPs 3 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	8e72b36486d0ffd233fac35573c12af737cfb9d4bf41ae5e8ddbc5906340d332.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8e72b36486d0ffd233fac35573c12af737cfb9d4bf41ae5e8ddbc5906340d332.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2756	winver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2156	8e72b36486d0ffd233fac35573c12af737cfb9d4bf41ae5e8ddbc5906340d332.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 2696	2156	8e72b36486d0ffd233fac35573c12af737cfb9d4bf41ae5e8ddbc5906340d332.exe	30
PID 2156 wrote to memory of 2696	2156	8e72b36486d0ffd233fac35573c12af737cfb9d4bf41ae5e8ddbc5906340d332.exe	30
PID 2156 wrote to memory of 2696	2156	8e72b36486d0ffd233fac35573c12af737cfb9d4bf41ae5e8ddbc5906340d332.exe	30
PID 2156 wrote to memory of 2696	2156	8e72b36486d0ffd233fac35573c12af737cfb9d4bf41ae5e8ddbc5906340d332.exe	30
PID 2156 wrote to memory of 2696	2156	8e72b36486d0ffd233fac35573c12af737cfb9d4bf41ae5e8ddbc5906340d332.exe	30
PID 2156 wrote to memory of 2696	2156	8e72b36486d0ffd233fac35573c12af737cfb9d4bf41ae5e8ddbc5906340d332.exe	30
PID 2156 wrote to memory of 2696	2156	8e72b36486d0ffd233fac35573c12af737cfb9d4bf41ae5e8ddbc5906340d332.exe	30
PID 2696 wrote to memory of 2756	2696	8e72b36486d0ffd233fac35573c12af737cfb9d4bf41ae5e8ddbc5906340d332.exe	31
PID 2696 wrote to memory of 2756	2696	8e72b36486d0ffd233fac35573c12af737cfb9d4bf41ae5e8ddbc5906340d332.exe	31
PID 2696 wrote to memory of 2756	2696	8e72b36486d0ffd233fac35573c12af737cfb9d4bf41ae5e8ddbc5906340d332.exe	31
PID 2696 wrote to memory of 2756	2696	8e72b36486d0ffd233fac35573c12af737cfb9d4bf41ae5e8ddbc5906340d332.exe	31
PID 2696 wrote to memory of 2756	2696	8e72b36486d0ffd233fac35573c12af737cfb9d4bf41ae5e8ddbc5906340d332.exe	31
PID 2756 wrote to memory of 1216	2756	winver.exe	21
PID 2756 wrote to memory of 1120	2756	winver.exe	19
PID 2756 wrote to memory of 1172	2756	winver.exe	20
PID 2756 wrote to memory of 1216	2756	winver.exe	21
PID 2756 wrote to memory of 836	2756	winver.exe	23
PID 2756 wrote to memory of 2696	2756	winver.exe	30

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1216
- C:\Users\Admin\AppData\Local\Temp\8e72b36486d0ffd233fac35573c12af737cfb9d4bf41ae5e8ddbc5906340d332.exe
  "C:\Users\Admin\AppData\Local\Temp\8e72b36486d0ffd233fac35573c12af737cfb9d4bf41ae5e8ddbc5906340d332.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2156
- - C:\Users\Admin\AppData\Local\Temp\8e72b36486d0ffd233fac35573c12af737cfb9d4bf41ae5e8ddbc5906340d332.exe
    "C:\Users\Admin\AppData\Local\Temp\8e72b36486d0ffd233fac35573c12af737cfb9d4bf41ae5e8ddbc5906340d332.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2696
  - - C:\Windows\SysWOW64\winver.exe
      winver
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of FindShellTrayWindow
      Suspicious use of WriteProcessMemory
      PID:2756

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:836

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/836-22-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/836-34-0x0000000076E81000-0x0000000076E82000-memory.dmp

Filesize
4KB

Download
memory/836-35-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/1120-13-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1120-30-0x0000000076E81000-0x0000000076E82000-memory.dmp

Filesize
4KB

Download
memory/1120-29-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1172-31-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1172-16-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1216-3-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/1216-10-0x0000000076E81000-0x0000000076E82000-memory.dmp

Filesize
4KB

Download
memory/1216-33-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/1216-4-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/1216-8-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/1216-18-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/2696-2-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2756-28-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/2756-5-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/2756-32-0x0000000076E30000-0x0000000076FD9000-memory.dmp

Filesize
1.7MB

Download
memory/2756-7-0x0000000000341000-0x0000000000342000-memory.dmp

Filesize
4KB

Download
memory/2756-27-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/2756-9-0x0000000000340000-0x0000000000356000-memory.dmp

Filesize
88KB

Download
memory/2756-41-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download