tinba | 08e54adadf284d5a1cd2119284d582e714a3c7da217fe2c82288c50b15ba702f

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/01/2025, 18:27

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General

Target

JaffaCakes118_cf15979f061c894cee007549b7c00e9a.exe
Size

88KB
MD5

cf15979f061c894cee007549b7c00e9a
SHA1

aa279165a40651fd552c10f442a225dfdebefa21
SHA256

08e54adadf284d5a1cd2119284d582e714a3c7da217fe2c82288c50b15ba702f
SHA512

b589685c376176186318f62f2f1dc8a4e79be81ae5179bc9339990830621ea88c828f487739df727e113db3d59e780ee233f7a33842e925a42c01f55ff5ccc61
SSDEEP

1536:b5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:b5fvp12UFKcD/6jwqWsN

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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\A7C87497 = "C:\\Users\\Admin\\AppData\\Roaming\\A7C87497\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4240	4988	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	JaffaCakes118_cf15979f061c894cee007549b7c00e9a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4988	winver.exe
4988	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3468	Explorer.EXE
Token: SeCreatePagefilePrivilege	3468	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4988	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4636 wrote to memory of 4988	4636	JaffaCakes118_cf15979f061c894cee007549b7c00e9a.exe	84
PID 4636 wrote to memory of 4988	4636	JaffaCakes118_cf15979f061c894cee007549b7c00e9a.exe	84
PID 4636 wrote to memory of 4988	4636	JaffaCakes118_cf15979f061c894cee007549b7c00e9a.exe	84
PID 4636 wrote to memory of 4988	4636	JaffaCakes118_cf15979f061c894cee007549b7c00e9a.exe	84
PID 4988 wrote to memory of 3468	4988	winver.exe	56
PID 4988 wrote to memory of 2608	4988	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2608

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3468
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cf15979f061c894cee007549b7c00e9a.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cf15979f061c894cee007549b7c00e9a.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4636
- - 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:4988
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 352
      4⤵
      Program crash
      PID:4240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4988 -ip 4988
1⤵
PID:1884

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/2608-13-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

Filesize
24KB

Download
memory/3468-2-0x0000000002390000-0x0000000002396000-memory.dmp

Filesize
24KB

Download
memory/3468-1-0x0000000002390000-0x0000000002396000-memory.dmp

Filesize
24KB

Download
memory/3468-6-0x00007FF9A5C0D000-0x00007FF9A5C0E000-memory.dmp

Filesize
4KB

Download
memory/4636-0-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download
memory/4636-3-0x0000000002340000-0x0000000002D40000-memory.dmp

Filesize
10.0MB

Download
memory/4636-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4636-9-0x0000000002340000-0x0000000002D40000-memory.dmp

Filesize
10.0MB

Download
memory/4988-5-0x0000000077D82000-0x0000000077D83000-memory.dmp

Filesize
4KB

Download
memory/4988-4-0x0000000000B00000-0x0000000000B06000-memory.dmp

Filesize
24KB

Download
memory/4988-7-0x00007FF9A5B70000-0x00007FF9A5D65000-memory.dmp

Filesize
2.0MB

Download
memory/4988-14-0x0000000000B00000-0x0000000000B06000-memory.dmp

Filesize
24KB

Download