tinba | a6755dee06848ffdd97cd378a2603d42693d91019b3a4b4c620a017b628599ae

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
07/01/2025, 19:26

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General

Target

JaffaCakes118_75179e775df7cf0ee08fe1e2cc346dae.exe
Size

160KB
MD5

75179e775df7cf0ee08fe1e2cc346dae
SHA1

dd7f1b82103f536f76069447a6af5c898b9b08df
SHA256

a6755dee06848ffdd97cd378a2603d42693d91019b3a4b4c620a017b628599ae
SHA512

4cd6cac0b033ce2639f973b640085f7e46dbe020c1abcd0d01e4811712294b45c8f1530c28c0c361c37170cbada30fcff9feba4abf969cf284cf87c330b095dc
SSDEEP

1536:oEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:rY+4MiIkLZJNAQ9J6v

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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\E98B209C = "C:\\Users\\Admin\\AppData\\Roaming\\E98B209C\\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/2524-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4248	2232	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_75179e775df7cf0ee08fe1e2cc346dae.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2232	winver.exe
2232	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
2232	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 2232	2524	JaffaCakes118_75179e775df7cf0ee08fe1e2cc346dae.exe	83
PID 2524 wrote to memory of 2232	2524	JaffaCakes118_75179e775df7cf0ee08fe1e2cc346dae.exe	83
PID 2524 wrote to memory of 2232	2524	JaffaCakes118_75179e775df7cf0ee08fe1e2cc346dae.exe	83
PID 2524 wrote to memory of 2232	2524	JaffaCakes118_75179e775df7cf0ee08fe1e2cc346dae.exe	83
PID 2232 wrote to memory of 3568	2232	winver.exe	56
PID 2232 wrote to memory of 2556	2232	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\JaffaCakes118_75179e775df7cf0ee08fe1e2cc346dae.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_75179e775df7cf0ee08fe1e2cc346dae.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2524
- - 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:2232
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2232 -s 352
      4⤵
      Program crash
      PID:4248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2232 -ip 2232
1⤵
PID:4912

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/2232-11-0x0000000001020000-0x0000000001026000-memory.dmp

Filesize
24KB

Download
memory/2232-14-0x0000000001020000-0x0000000001026000-memory.dmp

Filesize
24KB

Download
memory/2232-5-0x0000000077252000-0x0000000077253000-memory.dmp

Filesize
4KB

Download
memory/2232-7-0x00007FFFB51D0000-0x00007FFFB53C5000-memory.dmp

Filesize
2.0MB

Download
memory/2524-1-0x0000000002030000-0x0000000002031000-memory.dmp

Filesize
4KB

Download
memory/2524-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2524-4-0x00000000020C0000-0x0000000002AC0000-memory.dmp

Filesize
10.0MB

Download
memory/2524-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2524-9-0x00000000020C0000-0x0000000002AC0000-memory.dmp

Filesize
10.0MB

Download
memory/2556-13-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

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

Filesize
24KB

Download
memory/3568-6-0x00007FFFB526D000-0x00007FFFB526E000-memory.dmp

Filesize
4KB

Download
memory/3568-3-0x0000000000E60000-0x0000000000E66000-memory.dmp

Filesize
24KB

Download