tinba | 46183cab5460839268ce32739ca49ff3bea9f3efcd1a9ddfe64654823c0bb939

Analysis

max time kernel
103s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23/11/2024, 23:23

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General

Target
46183cab5460839268ce32739ca49ff3bea9f3efcd1a9ddfe64654823c0bb939.exe
Size 88KB
Sample241123-3dfkpasjez
SHA256 46183cab5460839268ce32739ca49ff3bea9f3efcd1a9ddfe64654823c0bb939
MD5 7c79041376bd2c312a31f3ad35871fbf
SHA1 06b5aceb602e8f67643fb1e34e278a263bb39d69
SHA512 7757d2070d6c70d7230fd1954be2c80f2c751ca360c438573f578c8725de5c802d7a93d0383bdc5d92487c51dc7225a15897065dc8fafc0bb4e9a39f4e523892
SSDEEP 1536:H5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsNI:H5fvp12UFKcD/6jwqWsNI
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5D30A540 = "C:\\Users\\Admin\\AppData\\Roaming\\5D30A540\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3000	1588	WerFault.exe	83

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	46183cab5460839268ce32739ca49ff3bea9f3efcd1a9ddfe64654823c0bb939.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1588	winver.exe
1588	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3532	Explorer.EXE
Token: SeCreatePagefilePrivilege	3532	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1588	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4420 wrote to memory of 1588	4420	46183cab5460839268ce32739ca49ff3bea9f3efcd1a9ddfe64654823c0bb939.exe	83
PID 4420 wrote to memory of 1588	4420	46183cab5460839268ce32739ca49ff3bea9f3efcd1a9ddfe64654823c0bb939.exe	83
PID 4420 wrote to memory of 1588	4420	46183cab5460839268ce32739ca49ff3bea9f3efcd1a9ddfe64654823c0bb939.exe	83
PID 4420 wrote to memory of 1588	4420	46183cab5460839268ce32739ca49ff3bea9f3efcd1a9ddfe64654823c0bb939.exe	83
PID 1588 wrote to memory of 3532	1588	winver.exe	56
PID 1588 wrote to memory of 2596	1588	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2596

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3532
- C:\Users\Admin\AppData\Local\Temp\46183cab5460839268ce32739ca49ff3bea9f3efcd1a9ddfe64654823c0bb939.exe
  "C:\Users\Admin\AppData\Local\Temp\46183cab5460839268ce32739ca49ff3bea9f3efcd1a9ddfe64654823c0bb939.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4420
- - 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:1588
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1588 -s 352
      4⤵
      Program crash
      PID:3000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1588 -ip 1588
1⤵
PID:4356

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/1588-5-0x0000000077582000-0x0000000077583000-memory.dmp

Download

memory/1588-4-0x0000000000860000-0x0000000000866000-memory.dmp

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memory/1588-7-0x00007FFD0B350000-0x00007FFD0B545000-memory.dmp

Download

memory/1588-14-0x0000000000860000-0x0000000000866000-memory.dmp

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memory/2596-13-0x00000000000A0000-0x00000000000A6000-memory.dmp

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memory/3532-2-0x0000000000A20000-0x0000000000A26000-memory.dmp

Download

memory/3532-1-0x0000000000A20000-0x0000000000A26000-memory.dmp

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memory/3532-6-0x00007FFD0B3ED000-0x00007FFD0B3EE000-memory.dmp

Download

memory/4420-0-0x0000000000540000-0x0000000000541000-memory.dmp

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memory/4420-3-0x0000000002060000-0x0000000002A60000-memory.dmp

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memory/4420-8-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/4420-9-0x0000000002060000-0x0000000002A60000-memory.dmp

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