tinba | 25742253fddfdbade895d0e9759959b28c62332e95aba1bdaecd85f82ee970b3

Analysis

max time kernel
118s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07-10-2024 01:28

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General

Target

25742253fddfdbade895d0e9759959b28c62332e95aba1bdaecd85f82ee970b3N.exe
Size

106KB
MD5

96b1ff18efc3bf870aae57da31b5e7f0
SHA1

6cd7119b0f48ade4a3bfbc2bec3179870905d39c
SHA256

25742253fddfdbade895d0e9759959b28c62332e95aba1bdaecd85f82ee970b3
SHA512

4b804f49c4f04463968d6f2f124cb512d6f3799300ffd4a0883fe701ab9f091ec96d4fda99ba49653b67e51e11f90c66f430e79bc95dda435e4ac7c359db872c
SSDEEP

768:2+6p+OMlgGXCWhfDzU7f0JDgi9I57+sByZ+XsfXpwtG9ipelU9JA:2+mFM2QXtZgi9Iksu+XM57ipeq9JA

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-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\907306B9 = "C:\\Users\\Admin\\AppData\\Roaming\\907306B9\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1000	2008	WerFault.exe	84

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	25742253fddfdbade895d0e9759959b28c62332e95aba1bdaecd85f82ee970b3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2008	winver.exe
2008	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2008	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4740 wrote to memory of 2008	4740	25742253fddfdbade895d0e9759959b28c62332e95aba1bdaecd85f82ee970b3N.exe	84
PID 4740 wrote to memory of 2008	4740	25742253fddfdbade895d0e9759959b28c62332e95aba1bdaecd85f82ee970b3N.exe	84
PID 4740 wrote to memory of 2008	4740	25742253fddfdbade895d0e9759959b28c62332e95aba1bdaecd85f82ee970b3N.exe	84
PID 4740 wrote to memory of 2008	4740	25742253fddfdbade895d0e9759959b28c62332e95aba1bdaecd85f82ee970b3N.exe	84
PID 2008 wrote to memory of 3476	2008	winver.exe	56
PID 2008 wrote to memory of 3036	2008	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3036

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3476
- C:\Users\Admin\AppData\Local\Temp\25742253fddfdbade895d0e9759959b28c62332e95aba1bdaecd85f82ee970b3N.exe
  "C:\Users\Admin\AppData\Local\Temp\25742253fddfdbade895d0e9759959b28c62332e95aba1bdaecd85f82ee970b3N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4740
- - 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:2008
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2008 -s 352
      4⤵
      Program crash
      PID:1000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2008 -ip 2008
1⤵
PID:2356

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/2008-5-0x0000000001510000-0x0000000001516000-memory.dmp

Filesize
24KB

Download
memory/2008-15-0x0000000001510000-0x0000000001516000-memory.dmp

Filesize
24KB

Download
memory/2008-8-0x00007FFAF3C10000-0x00007FFAF3E05000-memory.dmp

Filesize
2.0MB

Download
memory/2008-6-0x0000000077792000-0x0000000077793000-memory.dmp

Filesize
4KB

Download
memory/3036-14-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/3476-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3476-7-0x00007FFAF3CAD000-0x00007FFAF3CAE000-memory.dmp

Filesize
4KB

Download
memory/3476-3-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4740-4-0x0000000002180000-0x0000000002B80000-memory.dmp

Filesize
10.0MB

Download
memory/4740-0-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4740-9-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4740-10-0x0000000002180000-0x0000000002B80000-memory.dmp

Filesize
10.0MB

Download
memory/4740-1-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download