tinba | 9b8e5386e6a52c1cddfa2f1b9c78a418f8e3de4bb742d2778544e53cb6836686

Analysis

max time kernel
140s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-01-2025 03:49

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General

Target

9b8e5386e6a52c1cddfa2f1b9c78a418f8e3de4bb742d2778544e53cb6836686.exe
Size

110KB
MD5

24e5df391a6a6774fffced3172d49410
SHA1

b530c78e5f1495f6b730003fa463b49e5539f351
SHA256

9b8e5386e6a52c1cddfa2f1b9c78a418f8e3de4bb742d2778544e53cb6836686
SHA512

b8d2b7d7454ef3d89b74c9bb8acf5e1bad0b6dae1fc881c7e04195d9b1c7a3531ff80140f17146b89157c1b355533228dad88354b0f878e3cf90585479b230f9
SSDEEP

1536:YiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:YiyvRmDLs/ZrwWJjAqGcRJ2hA

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\E129B01C = "C:\\Users\\Admin\\AppData\\Roaming\\E129B01C\\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/3336-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3812	4992	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	9b8e5386e6a52c1cddfa2f1b9c78a418f8e3de4bb742d2778544e53cb6836686.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4992	winver.exe
4992	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3464	Explorer.EXE
Token: SeCreatePagefilePrivilege	3464	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4992	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3336 wrote to memory of 4992	3336	9b8e5386e6a52c1cddfa2f1b9c78a418f8e3de4bb742d2778544e53cb6836686.exe	84
PID 3336 wrote to memory of 4992	3336	9b8e5386e6a52c1cddfa2f1b9c78a418f8e3de4bb742d2778544e53cb6836686.exe	84
PID 3336 wrote to memory of 4992	3336	9b8e5386e6a52c1cddfa2f1b9c78a418f8e3de4bb742d2778544e53cb6836686.exe	84
PID 3336 wrote to memory of 4992	3336	9b8e5386e6a52c1cddfa2f1b9c78a418f8e3de4bb742d2778544e53cb6836686.exe	84
PID 4992 wrote to memory of 3464	4992	winver.exe	56
PID 4992 wrote to memory of 2764	4992	winver.exe	45

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2764

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3464
- C:\Users\Admin\AppData\Local\Temp\9b8e5386e6a52c1cddfa2f1b9c78a418f8e3de4bb742d2778544e53cb6836686.exe
  "C:\Users\Admin\AppData\Local\Temp\9b8e5386e6a52c1cddfa2f1b9c78a418f8e3de4bb742d2778544e53cb6836686.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3336
- - 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:4992
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4992 -s 352
      4⤵
      Program crash
      PID:3812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4992 -ip 4992
1⤵
PID:3876

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/2764-13-0x0000000000A00000-0x0000000000A06000-memory.dmp

Filesize
24KB

Download
memory/3336-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3336-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/3336-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3336-9-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/3336-4-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/3464-2-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download
memory/3464-6-0x00007FFBE238D000-0x00007FFBE238E000-memory.dmp

Filesize
4KB

Download
memory/3464-3-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download
memory/4992-7-0x00007FFBE22F0000-0x00007FFBE24E5000-memory.dmp

Filesize
2.0MB

Download
memory/4992-5-0x00000000775B2000-0x00000000775B3000-memory.dmp

Filesize
4KB

Download
memory/4992-11-0x0000000002570000-0x0000000002576000-memory.dmp

Filesize
24KB

Download
memory/4992-14-0x0000000002570000-0x0000000002576000-memory.dmp

Filesize
24KB

Download