tinba | 573aa59f4854c37ee70601f6a0b0be2c5955151591f4f56e41fc56d4e8c95604

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
19/09/2024, 20:48

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General

Target

573aa59f4854c37ee70601f6a0b0be2c5955151591f4f56e41fc56d4e8c95604.exe
Size

160KB
MD5

9c2c3c400d2826eea9499f2f68ecb87c
SHA1

54f5003b4a6323906e347b8f04b5bc2bdbc4f979
SHA256

573aa59f4854c37ee70601f6a0b0be2c5955151591f4f56e41fc56d4e8c95604
SHA512

76f3accb55e230f0639daf296e5ed7690f1f5a36505221145e0a7a2d242d6e0893e2e084fdbeb69e1763fcfb86a7b59df9ba5ff817db338ad36e9c54fb699473
SSDEEP

1536:SEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:ZY+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

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3512-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

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-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\93078596 = "C:\\Users\\Admin\\AppData\\Roaming\\93078596\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4624	664	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	573aa59f4854c37ee70601f6a0b0be2c5955151591f4f56e41fc56d4e8c95604.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
664	winver.exe
664	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3468	Explorer.EXE
Token: SeCreatePagefilePrivilege	3468	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
664	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3512 wrote to memory of 664	3512	573aa59f4854c37ee70601f6a0b0be2c5955151591f4f56e41fc56d4e8c95604.exe	83
PID 3512 wrote to memory of 664	3512	573aa59f4854c37ee70601f6a0b0be2c5955151591f4f56e41fc56d4e8c95604.exe	83
PID 3512 wrote to memory of 664	3512	573aa59f4854c37ee70601f6a0b0be2c5955151591f4f56e41fc56d4e8c95604.exe	83
PID 3512 wrote to memory of 664	3512	573aa59f4854c37ee70601f6a0b0be2c5955151591f4f56e41fc56d4e8c95604.exe	83
PID 664 wrote to memory of 3468	664	winver.exe	56
PID 664 wrote to memory of 2872	664	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2872

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3468
- C:\Users\Admin\AppData\Local\Temp\573aa59f4854c37ee70601f6a0b0be2c5955151591f4f56e41fc56d4e8c95604.exe
  "C:\Users\Admin\AppData\Local\Temp\573aa59f4854c37ee70601f6a0b0be2c5955151591f4f56e41fc56d4e8c95604.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3512
- - 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:664
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 664 -s 352
      4⤵
      Program crash
      PID:4624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 664 -ip 664
1⤵
PID:4352

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/664-5-0x0000000077742000-0x0000000077743000-memory.dmp

Filesize
4KB

Download
memory/664-14-0x0000000002D50000-0x0000000002D56000-memory.dmp

Filesize
24KB

Download
memory/664-11-0x0000000002D50000-0x0000000002D56000-memory.dmp

Filesize
24KB

Download
memory/664-7-0x00007FFF8BCB0000-0x00007FFF8BEA5000-memory.dmp

Filesize
2.0MB

Download
memory/2872-13-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/3468-2-0x0000000001080000-0x0000000001086000-memory.dmp

Filesize
24KB

Download
memory/3468-6-0x00007FFF8BD4D000-0x00007FFF8BD4E000-memory.dmp

Filesize
4KB

Download
memory/3468-3-0x0000000001080000-0x0000000001086000-memory.dmp

Filesize
24KB

Download
memory/3512-4-0x0000000002170000-0x0000000002B70000-memory.dmp

Filesize
10.0MB

Download
memory/3512-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3512-9-0x0000000002170000-0x0000000002B70000-memory.dmp

Filesize
10.0MB

Download
memory/3512-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3512-1-0x0000000000650000-0x0000000000651000-memory.dmp

Filesize
4KB

Download