tinba | 75a02f10024c9590966bac7b29558f12280d0d2a3fc38b8b1fd972f4c162fb0c

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
31/08/2024, 09:43

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General

Target
483aea1a285779f49a95ae0504138fd55471a7513c7d839f3874997681cff0bd.exe
Size 88KB
Sample240831-lpzz2axdpc
SHA256 483aea1a285779f49a95ae0504138fd55471a7513c7d839f3874997681cff0bd
MD5 42ffa469f1e561ffe9f3692e7597ae01
SHA1 74914e574178df543f1bfe0abae25485d7279731
SHA512 32482df140c96c37eec5d53028bbf216797afc6d408d91ec2bd2b2ba219377407cfc80cc928dc246314b1fad112b295d52b99c0ee3e9f31b4a821d8c3e9043d6
SSDEEP 1536:05nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:05fvp12UFKcD/6jwqWsN
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

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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4366A604 = "C:\\Users\\Admin\\AppData\\Roaming\\4366A604\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1268	2540	WerFault.exe	86

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	483aea1a285779f49a95ae0504138fd55471a7513c7d839f3874997681cff0bd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2540	winver.exe
2540	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2540	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3452	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4028 wrote to memory of 2540	4028	483aea1a285779f49a95ae0504138fd55471a7513c7d839f3874997681cff0bd.exe	86
PID 4028 wrote to memory of 2540	4028	483aea1a285779f49a95ae0504138fd55471a7513c7d839f3874997681cff0bd.exe	86
PID 4028 wrote to memory of 2540	4028	483aea1a285779f49a95ae0504138fd55471a7513c7d839f3874997681cff0bd.exe	86
PID 4028 wrote to memory of 2540	4028	483aea1a285779f49a95ae0504138fd55471a7513c7d839f3874997681cff0bd.exe	86
PID 2540 wrote to memory of 3452	2540	winver.exe	56
PID 2540 wrote to memory of 2712	2540	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2712

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3452
- C:\Users\Admin\AppData\Local\Temp\483aea1a285779f49a95ae0504138fd55471a7513c7d839f3874997681cff0bd.exe
  "C:\Users\Admin\AppData\Local\Temp\483aea1a285779f49a95ae0504138fd55471a7513c7d839f3874997681cff0bd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4028
- - 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:2540
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2540 -s 352
      4⤵
      Program crash
      PID:1268

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2540 -ip 2540
1⤵
PID:3164

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

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Downloads

memory/2540-11-0x0000000000E00000-0x0000000000E06000-memory.dmp

Download

memory/2540-4-0x0000000077212000-0x0000000077213000-memory.dmp

Download

memory/2540-6-0x00007FFCE57B0000-0x00007FFCE59A5000-memory.dmp

Download

memory/2540-14-0x0000000000E00000-0x0000000000E06000-memory.dmp

Download

memory/2712-16-0x00007FFCE59D0000-0x00007FFCE59D1000-memory.dmp

Download

memory/2712-13-0x0000000000700000-0x0000000000706000-memory.dmp

Download

memory/3452-2-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

Download

memory/3452-1-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

Download

memory/3452-5-0x00007FFCE584D000-0x00007FFCE584E000-memory.dmp

Download

memory/3452-7-0x00007FFCE59E0000-0x00007FFCE59E1000-memory.dmp

Download

memory/4028-3-0x0000000002250000-0x0000000002C50000-memory.dmp

Download

memory/4028-9-0x0000000002250000-0x0000000002C50000-memory.dmp

Download

memory/4028-8-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4028-0-0x00000000005A0000-0x00000000005A1000-memory.dmp

Download