tinba | 7398fc4284bb48df24c25882dd1e07837896c6fa1c955847b7eb1d067c451d2b

Analysis

max time kernel
108s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-12-2024 00:49

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General

Target

7398fc4284bb48df24c25882dd1e07837896c6fa1c955847b7eb1d067c451d2bN.exe
Size

45KB
MD5

b43783e68a7fe97d6df18b2345bd0370
SHA1

bc34f6ce9ff6790b00858e572da6531905b624d5
SHA256

7398fc4284bb48df24c25882dd1e07837896c6fa1c955847b7eb1d067c451d2b
SHA512

07c9eaac41fb361201c9bb58e176bcb2c9aa04ed6d14ece3dc895439695d7e3fc9be8bbd3ba9609b9e12d32c5022a543bbf9532652f80ecf7c8d7f0eff4f87e2
SSDEEP

768:9hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:/sWE9N5dFu53dsniQaB/xZ14n7zIF+qr

Score

10^/10

tinba banker discovery persistence trojan upx

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\46CB2AA5 = "C:\\Users\\Admin\\AppData\\Roaming\\46CB2AA5\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3220-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2576	3408	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	7398fc4284bb48df24c25882dd1e07837896c6fa1c955847b7eb1d067c451d2bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3408	winver.exe
3408	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3408	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3220 wrote to memory of 3408	3220	7398fc4284bb48df24c25882dd1e07837896c6fa1c955847b7eb1d067c451d2bN.exe	83
PID 3220 wrote to memory of 3408	3220	7398fc4284bb48df24c25882dd1e07837896c6fa1c955847b7eb1d067c451d2bN.exe	83
PID 3220 wrote to memory of 3408	3220	7398fc4284bb48df24c25882dd1e07837896c6fa1c955847b7eb1d067c451d2bN.exe	83
PID 3220 wrote to memory of 3408	3220	7398fc4284bb48df24c25882dd1e07837896c6fa1c955847b7eb1d067c451d2bN.exe	83
PID 3408 wrote to memory of 3520	3408	winver.exe	56
PID 3408 wrote to memory of 2412	3408	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2412

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3520
- C:\Users\Admin\AppData\Local\Temp\7398fc4284bb48df24c25882dd1e07837896c6fa1c955847b7eb1d067c451d2bN.exe
  "C:\Users\Admin\AppData\Local\Temp\7398fc4284bb48df24c25882dd1e07837896c6fa1c955847b7eb1d067c451d2bN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3220
- - 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:3408
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3408 -s 352
      4⤵
      Program crash
      PID:2576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3408 -ip 3408
1⤵
PID:976

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/2412-14-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3220-10-0x0000000002180000-0x0000000002B80000-memory.dmp

Filesize
10.0MB

Download
memory/3220-1-0x0000000002150000-0x0000000002151000-memory.dmp

Filesize
4KB

Download
memory/3220-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3220-4-0x0000000002180000-0x0000000002B80000-memory.dmp

Filesize
10.0MB

Download
memory/3220-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3408-15-0x00000000009E0000-0x00000000009E6000-memory.dmp

Filesize
24KB

Download
memory/3408-5-0x00000000009E0000-0x00000000009E6000-memory.dmp

Filesize
24KB

Download
memory/3408-6-0x0000000077382000-0x0000000077383000-memory.dmp

Filesize
4KB

Download
memory/3408-8-0x00007FFEE42F0000-0x00007FFEE44E5000-memory.dmp

Filesize
2.0MB

Download
memory/3520-2-0x00000000008C0000-0x00000000008C6000-memory.dmp

Filesize
24KB

Download
memory/3520-7-0x00007FFEE438D000-0x00007FFEE438E000-memory.dmp

Filesize
4KB

Download
memory/3520-3-0x00000000008C0000-0x00000000008C6000-memory.dmp

Filesize
24KB

Download