tinba | 61e4f1227b032d9eaaf0d4f2ad14df61abea4b5af78dae55c3e7fe037a35fa96

Analysis

max time kernel
150s
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
06/01/2025, 03:13

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General

Target

JaffaCakes118_0b220b5aec910d91c34d496a85e65ddf.exe
Size

88KB
MD5

0b220b5aec910d91c34d496a85e65ddf
SHA1

63a2eff72d6894e736d740cdfda59b3da85f2be3
SHA256

61e4f1227b032d9eaaf0d4f2ad14df61abea4b5af78dae55c3e7fe037a35fa96
SHA512

1a975ab8c76ec6de8d96c9e9ebf5b0ce0beb0b6c4081a9b11d88955a77035a948cf8189f55e0c9421f1a05648e89577b213cf7779b75f98e97aded3cf29e95fa
SSDEEP

1536:75nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:75fvp12UFKcD/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\9287A0F8 = "C:\\Users\\Admin\\AppData\\Roaming\\9287A0F8\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4004	1896	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_0b220b5aec910d91c34d496a85e65ddf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1896	winver.exe
1896	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3464	Explorer.EXE
Token: SeCreatePagefilePrivilege	3464	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1896	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3192 wrote to memory of 1896	3192	JaffaCakes118_0b220b5aec910d91c34d496a85e65ddf.exe	83
PID 3192 wrote to memory of 1896	3192	JaffaCakes118_0b220b5aec910d91c34d496a85e65ddf.exe	83
PID 3192 wrote to memory of 1896	3192	JaffaCakes118_0b220b5aec910d91c34d496a85e65ddf.exe	83
PID 3192 wrote to memory of 1896	3192	JaffaCakes118_0b220b5aec910d91c34d496a85e65ddf.exe	83
PID 1896 wrote to memory of 3464	1896	winver.exe	56
PID 1896 wrote to memory of 2664	1896	winver.exe	48

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2664

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3464
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0b220b5aec910d91c34d496a85e65ddf.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0b220b5aec910d91c34d496a85e65ddf.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3192
- - 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:1896
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1896 -s 352
      4⤵
      Program crash
      PID:4004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1896 -ip 1896
1⤵
PID:4704

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/1896-10-0x0000000000FD0000-0x0000000000FD6000-memory.dmp

Filesize
24KB

Download
memory/1896-4-0x0000000077582000-0x0000000077583000-memory.dmp

Filesize
4KB

Download
memory/1896-6-0x00007FFD04AF0000-0x00007FFD04CE5000-memory.dmp

Filesize
2.0MB

Download
memory/1896-13-0x0000000000FD0000-0x0000000000FD6000-memory.dmp

Filesize
24KB

Download
memory/2664-12-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2664-14-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3192-3-0x00000000023C0000-0x0000000002DC0000-memory.dmp

Filesize
10.0MB

Download
memory/3192-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3192-8-0x00000000023C0000-0x0000000002DC0000-memory.dmp

Filesize
10.0MB

Download
memory/3192-0-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/3464-1-0x0000000002450000-0x0000000002456000-memory.dmp

Filesize
24KB

Download
memory/3464-2-0x0000000002450000-0x0000000002456000-memory.dmp

Filesize
24KB

Download
memory/3464-5-0x00007FFD04B8D000-0x00007FFD04B8E000-memory.dmp

Filesize
4KB

Download