tinba | 640db2b24b1ff39f4c6c8eb1d177c7d9882d55839744901e55891a496bab7304

Analysis

max time kernel
146s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-01-2025 07:52

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General

Target

JaffaCakes118_95ba507c62f9bfbe0bc258702450e634.exe
Size

49KB
MD5

95ba507c62f9bfbe0bc258702450e634
SHA1

1a3af882c7600a021a7a01e5739e630ad45dc3b8
SHA256

640db2b24b1ff39f4c6c8eb1d177c7d9882d55839744901e55891a496bab7304
SHA512

f2d33ced2ca42e7d0d7922f6778b3ad8aa362418d86e6f45285d2069fce6ca8f0b52b3155f4165ebdb84d4b74764a768acd497eeb1a70dd1fa47ef5044d6c565
SSDEEP

768:LCCCFlkbwAYbFshpyiB9L9Mx2BWseUCHGAwk5R9Jw:vbw/6plBTFBYNNR9Jw

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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0E52C938 = "C:\\Users\\Admin\\AppData\\Roaming\\0E52C938\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
724	1992	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	JaffaCakes118_95ba507c62f9bfbe0bc258702450e634.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1992	winver.exe
1992	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3624	Explorer.EXE
Token: SeCreatePagefilePrivilege	3624	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1992	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4556 wrote to memory of 1992	4556	JaffaCakes118_95ba507c62f9bfbe0bc258702450e634.exe	83
PID 4556 wrote to memory of 1992	4556	JaffaCakes118_95ba507c62f9bfbe0bc258702450e634.exe	83
PID 4556 wrote to memory of 1992	4556	JaffaCakes118_95ba507c62f9bfbe0bc258702450e634.exe	83
PID 4556 wrote to memory of 1992	4556	JaffaCakes118_95ba507c62f9bfbe0bc258702450e634.exe	83
PID 1992 wrote to memory of 3624	1992	winver.exe	56
PID 1992 wrote to memory of 2688	1992	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2688

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3624
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_95ba507c62f9bfbe0bc258702450e634.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_95ba507c62f9bfbe0bc258702450e634.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4556
- - 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:1992
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1992 -s 352
      4⤵
      Program crash
      PID:724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1992 -ip 1992
1⤵
PID:1640

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/1992-4-0x0000000077AA2000-0x0000000077AA3000-memory.dmp

Filesize
4KB

Download
memory/1992-6-0x00007FFC453F0000-0x00007FFC455E5000-memory.dmp

Filesize
2.0MB

Download
memory/1992-10-0x0000000000EA0000-0x0000000000EA6000-memory.dmp

Filesize
24KB

Download
memory/1992-13-0x0000000000EA0000-0x0000000000EA6000-memory.dmp

Filesize
24KB

Download
memory/2688-12-0x0000000000B20000-0x0000000000B26000-memory.dmp

Filesize
24KB

Download
memory/3624-1-0x0000000002A50000-0x0000000002A56000-memory.dmp

Filesize
24KB

Download
memory/3624-2-0x0000000002A50000-0x0000000002A56000-memory.dmp

Filesize
24KB

Download
memory/3624-5-0x00007FFC4548D000-0x00007FFC4548E000-memory.dmp

Filesize
4KB

Download
memory/4556-0-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/4556-3-0x00000000022C0000-0x0000000002CC0000-memory.dmp

Filesize
10.0MB

Download
memory/4556-7-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/4556-8-0x00000000022C0000-0x0000000002CC0000-memory.dmp

Filesize
10.0MB

Download