tinba | ab8d0967d0bdb4d566eb96a6731d880289ea3f627b3a8da5386aaef98cf59f73

Analysis

max time kernel
145s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
06-02-2025 03:27

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General

Target

ab8d0967d0bdb4d566eb96a6731d880289ea3f627b3a8da5386aaef98cf59f73.exe
Size

52KB
MD5

5de7bb7597eef5655a804089ae0201c9
SHA1

0fd5fc5eb9545f4585fed5069f2827f1d0b70450
SHA256

ab8d0967d0bdb4d566eb96a6731d880289ea3f627b3a8da5386aaef98cf59f73
SHA512

1df49ac6b31b15292f8ec93e8e744fecc619cc3e06834f37ff5774543daec261ea1d2896decae967c267e66f8bd0e830c528c29cef222afe08677cf8660ca4b7
SSDEEP

768:hDFJINdDJbjHM+XczWsTtNtS4FOycALGBTg8WLxHUUnGgVPs6FjJl9Jh:VI31jJsJNNr6boUSGgVPsWL9Jh

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-1-5-21-1121399784-3202166597-3503557106-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9AA25FF6 = "C:\\Users\\Admin\\AppData\\Roaming\\9AA25FF6\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1636	4340	WerFault.exe	85

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	ab8d0967d0bdb4d566eb96a6731d880289ea3f627b3a8da5386aaef98cf59f73.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4340	winver.exe
4340	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3608	Explorer.EXE
Token: SeCreatePagefilePrivilege	3608	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4340	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3608	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3200 wrote to memory of 4340	3200	ab8d0967d0bdb4d566eb96a6731d880289ea3f627b3a8da5386aaef98cf59f73.exe	85
PID 3200 wrote to memory of 4340	3200	ab8d0967d0bdb4d566eb96a6731d880289ea3f627b3a8da5386aaef98cf59f73.exe	85
PID 3200 wrote to memory of 4340	3200	ab8d0967d0bdb4d566eb96a6731d880289ea3f627b3a8da5386aaef98cf59f73.exe	85
PID 3200 wrote to memory of 4340	3200	ab8d0967d0bdb4d566eb96a6731d880289ea3f627b3a8da5386aaef98cf59f73.exe	85
PID 4340 wrote to memory of 3608	4340	winver.exe	56
PID 4340 wrote to memory of 2572	4340	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2572

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3608
- C:\Users\Admin\AppData\Local\Temp\ab8d0967d0bdb4d566eb96a6731d880289ea3f627b3a8da5386aaef98cf59f73.exe
  "C:\Users\Admin\AppData\Local\Temp\ab8d0967d0bdb4d566eb96a6731d880289ea3f627b3a8da5386aaef98cf59f73.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3200
- - 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:4340
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4340 -s 352
      4⤵
      Program crash
      PID:1636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4340 -ip 4340
1⤵
PID:3716

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/2572-18-0x00007FFF0A790000-0x00007FFF0A791000-memory.dmp

Filesize
4KB

Download
memory/2572-14-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/3200-3-0x00000000022A0000-0x0000000002CA0000-memory.dmp

Filesize
10.0MB

Download
memory/3200-0-0x00000000006B0000-0x00000000006B1000-memory.dmp

Filesize
4KB

Download
memory/3200-10-0x00000000022A0000-0x0000000002CA0000-memory.dmp

Filesize
10.0MB

Download
memory/3200-9-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3608-7-0x00007FFF0A60C000-0x00007FFF0A60D000-memory.dmp

Filesize
4KB

Download
memory/3608-6-0x00007FFF0A60D000-0x00007FFF0A60E000-memory.dmp

Filesize
4KB

Download
memory/3608-2-0x0000000000970000-0x0000000000976000-memory.dmp

Filesize
24KB

Download
memory/3608-17-0x00007FFF0A7A0000-0x00007FFF0A7A1000-memory.dmp

Filesize
4KB

Download
memory/3608-1-0x0000000000970000-0x0000000000976000-memory.dmp

Filesize
24KB

Download
memory/4340-4-0x0000000001EE0000-0x0000000001EE6000-memory.dmp

Filesize
24KB

Download
memory/4340-8-0x00007FFF0A570000-0x00007FFF0A765000-memory.dmp

Filesize
2.0MB

Download
memory/4340-5-0x0000000077922000-0x0000000077923000-memory.dmp

Filesize
4KB

Download
memory/4340-15-0x0000000001EE0000-0x0000000001EE6000-memory.dmp

Filesize
24KB

Download