tinba | cf0da8adacf075faa07782c9d0d83fd6a3b5f4426b3d5b37e39e86fd8311e6fb

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-02-2025 05:23

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General

Target

cf0da8adacf075faa07782c9d0d83fd6a3b5f4426b3d5b37e39e86fd8311e6fb.exe
Size

64KB
MD5

e7800bb69cfc99a7eed1bff300e303bd
SHA1

af4c3470bfccc2ceca11d4043f8d99485e1fdbce
SHA256

cf0da8adacf075faa07782c9d0d83fd6a3b5f4426b3d5b37e39e86fd8311e6fb
SHA512

bf89c405a2ecd8d58a2846cad3e65d3b7a53cf08a5a0287e3a13f2ba6140075a6199545759b0f955693ec9c0e932eb9dd0b4678244fbe293f27e83d0197b6be1
SSDEEP

768:QEHsqZKMXc+YcfH0pfdkOy/D+fNR+tEo7om+k/u+dMV5bpqrDOgc9J:8qsMXcOKdkOy7YAtB7Mk/LdMVqA9J

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\B5EDC87D = "C:\\Users\\Admin\\AppData\\Roaming\\B5EDC87D\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4264	1280	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	cf0da8adacf075faa07782c9d0d83fd6a3b5f4426b3d5b37e39e86fd8311e6fb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1280	winver.exe
1280	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3568	Explorer.EXE
Token: SeCreatePagefilePrivilege	3568	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1280	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 1280	1596	cf0da8adacf075faa07782c9d0d83fd6a3b5f4426b3d5b37e39e86fd8311e6fb.exe	83
PID 1596 wrote to memory of 1280	1596	cf0da8adacf075faa07782c9d0d83fd6a3b5f4426b3d5b37e39e86fd8311e6fb.exe	83
PID 1596 wrote to memory of 1280	1596	cf0da8adacf075faa07782c9d0d83fd6a3b5f4426b3d5b37e39e86fd8311e6fb.exe	83
PID 1596 wrote to memory of 1280	1596	cf0da8adacf075faa07782c9d0d83fd6a3b5f4426b3d5b37e39e86fd8311e6fb.exe	83
PID 1280 wrote to memory of 3568	1280	winver.exe	56
PID 1280 wrote to memory of 2556	1280	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2556

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3568
- C:\Users\Admin\AppData\Local\Temp\cf0da8adacf075faa07782c9d0d83fd6a3b5f4426b3d5b37e39e86fd8311e6fb.exe
  "C:\Users\Admin\AppData\Local\Temp\cf0da8adacf075faa07782c9d0d83fd6a3b5f4426b3d5b37e39e86fd8311e6fb.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1596
- - 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:1280
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1280 -s 352
      4⤵
      Program crash
      PID:4264

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1280 -ip 1280
1⤵
PID:936

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/1280-4-0x0000000077252000-0x0000000077253000-memory.dmp

Filesize
4KB

Download
memory/1280-6-0x00007FFFB51D0000-0x00007FFFB53C5000-memory.dmp

Filesize
2.0MB

Download
memory/1280-10-0x0000000002800000-0x0000000002806000-memory.dmp

Filesize
24KB

Download
memory/1280-13-0x0000000002800000-0x0000000002806000-memory.dmp

Filesize
24KB

Download
memory/1596-0-0x0000000002170000-0x0000000002171000-memory.dmp

Filesize
4KB

Download
memory/1596-3-0x0000000002650000-0x0000000003050000-memory.dmp

Filesize
10.0MB

Download
memory/1596-7-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1596-8-0x0000000002650000-0x0000000003050000-memory.dmp

Filesize
10.0MB

Download
memory/2556-12-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/3568-2-0x0000000000E60000-0x0000000000E66000-memory.dmp

Filesize
24KB

Download
memory/3568-1-0x0000000000E60000-0x0000000000E66000-memory.dmp

Filesize
24KB

Download
memory/3568-5-0x00007FFFB526D000-0x00007FFFB526E000-memory.dmp

Filesize
4KB

Download