tinba | 60456c175355c578e2dca37f65d8791dd27319abc35e8827d036012e8c7c108b

Analysis

max time kernel
146s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-10-2024 07:06

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General

Target

60456c175355c578e2dca37f65d8791dd27319abc35e8827d036012e8c7c108bN.exe
Size

160KB
MD5

c86ccc23167e8d691d3ba5480fedf1f0
SHA1

b8076577690a196c90a69cbb29959475a23d307d
SHA256

60456c175355c578e2dca37f65d8791dd27319abc35e8827d036012e8c7c108b
SHA512

7b1e7d39fe7783153c8073af21f18605e405f233b40c15266d8e94b891f1afe61ce1857744c950aa78353d0026538baaad4e3180c7d689a664320076ecd096f2
SSDEEP

1536:TEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:QY+4MiIkLZJNAQ9J6v

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

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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2E8788C7 = "C:\\Users\\Admin\\AppData\\Roaming\\2E8788C7\\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/4488-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2884	4316	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	60456c175355c578e2dca37f65d8791dd27319abc35e8827d036012e8c7c108bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4316	winver.exe
4316	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3512	Explorer.EXE
Token: SeCreatePagefilePrivilege	3512	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4316	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4488 wrote to memory of 4316	4488	60456c175355c578e2dca37f65d8791dd27319abc35e8827d036012e8c7c108bN.exe	83
PID 4488 wrote to memory of 4316	4488	60456c175355c578e2dca37f65d8791dd27319abc35e8827d036012e8c7c108bN.exe	83
PID 4488 wrote to memory of 4316	4488	60456c175355c578e2dca37f65d8791dd27319abc35e8827d036012e8c7c108bN.exe	83
PID 4488 wrote to memory of 4316	4488	60456c175355c578e2dca37f65d8791dd27319abc35e8827d036012e8c7c108bN.exe	83
PID 4316 wrote to memory of 3512	4316	winver.exe	56
PID 4316 wrote to memory of 2912	4316	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2912

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3512
- C:\Users\Admin\AppData\Local\Temp\60456c175355c578e2dca37f65d8791dd27319abc35e8827d036012e8c7c108bN.exe
  "C:\Users\Admin\AppData\Local\Temp\60456c175355c578e2dca37f65d8791dd27319abc35e8827d036012e8c7c108bN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4488
- - 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:4316
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4316 -s 356
      4⤵
      Program crash
      PID:2884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 4316 -ip 4316
1⤵
PID:2796

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/2912-14-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/3512-7-0x00007FFA9E04D000-0x00007FFA9E04E000-memory.dmp

Filesize
4KB

Download
memory/3512-2-0x0000000000D50000-0x0000000000D56000-memory.dmp

Filesize
24KB

Download
memory/3512-3-0x0000000000D50000-0x0000000000D56000-memory.dmp

Filesize
24KB

Download
memory/4316-5-0x0000000002AF0000-0x0000000002AF6000-memory.dmp

Filesize
24KB

Download
memory/4316-6-0x0000000077EB2000-0x0000000077EB3000-memory.dmp

Filesize
4KB

Download
memory/4316-8-0x00007FFA9DFB0000-0x00007FFA9E1A5000-memory.dmp

Filesize
2.0MB

Download
memory/4316-15-0x0000000002AF0000-0x0000000002AF6000-memory.dmp

Filesize
24KB

Download
memory/4488-4-0x0000000002330000-0x0000000002D30000-memory.dmp

Filesize
10.0MB

Download
memory/4488-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4488-9-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4488-10-0x0000000002330000-0x0000000002D30000-memory.dmp

Filesize
10.0MB

Download
memory/4488-1-0x00000000004B0000-0x00000000004B1000-memory.dmp

Filesize
4KB

Download