tinba | 8d7629f117619e969962bdfd1fc1438dfd245e34374c8e2d6f5670f5b7ceb6a9

Analysis

max time kernel
110s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2024 15:25

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General

Target

8d7629f117619e969962bdfd1fc1438dfd245e34374c8e2d6f5670f5b7ceb6a9N.exe
Size

45KB
MD5

af8df5276af468bf893a15692eb9c320
SHA1

5fe69f7c14c009121fab48ae948b564ae5a81cd5
SHA256

8d7629f117619e969962bdfd1fc1438dfd245e34374c8e2d6f5670f5b7ceb6a9
SHA512

5272ca38ade24a9193058d6287ad3d571c2c4c679a39fcdd6ae327d32e6e2de63d39cf9393fab1662758453b829d74624352c0ab3f58c7ae8926a650050571e6
SSDEEP

768:ohP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:UsWE9N5dFu53dsniQaB/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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\69D17BCE = "C:\\Users\\Admin\\AppData\\Roaming\\69D17BCE\\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/552-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2864	3148	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	8d7629f117619e969962bdfd1fc1438dfd245e34374c8e2d6f5670f5b7ceb6a9N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3148	winver.exe
3148	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3148	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 552 wrote to memory of 3148	552	8d7629f117619e969962bdfd1fc1438dfd245e34374c8e2d6f5670f5b7ceb6a9N.exe	84
PID 552 wrote to memory of 3148	552	8d7629f117619e969962bdfd1fc1438dfd245e34374c8e2d6f5670f5b7ceb6a9N.exe	84
PID 552 wrote to memory of 3148	552	8d7629f117619e969962bdfd1fc1438dfd245e34374c8e2d6f5670f5b7ceb6a9N.exe	84
PID 552 wrote to memory of 3148	552	8d7629f117619e969962bdfd1fc1438dfd245e34374c8e2d6f5670f5b7ceb6a9N.exe	84
PID 3148 wrote to memory of 3452	3148	winver.exe	56
PID 3148 wrote to memory of 2868	3148	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2868

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3452
- C:\Users\Admin\AppData\Local\Temp\8d7629f117619e969962bdfd1fc1438dfd245e34374c8e2d6f5670f5b7ceb6a9N.exe
  "C:\Users\Admin\AppData\Local\Temp\8d7629f117619e969962bdfd1fc1438dfd245e34374c8e2d6f5670f5b7ceb6a9N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:552
- - 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:3148
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3148 -s 352
      4⤵
      Program crash
      PID:2864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3148 -ip 3148
1⤵
PID:4092

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/552-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/552-1-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/552-9-0x0000000002270000-0x0000000002C70000-memory.dmp

Filesize
10.0MB

Download
memory/552-4-0x0000000002270000-0x0000000002C70000-memory.dmp

Filesize
10.0MB

Download
memory/552-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2868-13-0x00000000007F0000-0x00000000007F6000-memory.dmp

Filesize
24KB

Download
memory/3148-5-0x00000000778A2000-0x00000000778A3000-memory.dmp

Filesize
4KB

Download
memory/3148-7-0x00007FF8429D0000-0x00007FF842BC5000-memory.dmp

Filesize
2.0MB

Download
memory/3148-11-0x0000000001670000-0x0000000001676000-memory.dmp

Filesize
24KB

Download
memory/3148-14-0x0000000001670000-0x0000000001676000-memory.dmp

Filesize
24KB

Download
memory/3452-6-0x00007FF842A6D000-0x00007FF842A6E000-memory.dmp

Filesize
4KB

Download
memory/3452-3-0x0000000001040000-0x0000000001046000-memory.dmp

Filesize
24KB

Download
memory/3452-2-0x0000000001040000-0x0000000001046000-memory.dmp

Filesize
24KB

Download