tinba | 15d3f4ef451f4e4bc17f5f74b5ed0561247e2e44a8b810232b73eabaae71faf5

Analysis

max time kernel
137s
max time network
143s
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 18:39

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General

Target

JaffaCakes118_7328edde29c8c711f4f21ca3fad9bb3d.exe
Size

88KB
MD5

7328edde29c8c711f4f21ca3fad9bb3d
SHA1

2aa54ee8f241a0751211acda193555d1968924a5
SHA256

15d3f4ef451f4e4bc17f5f74b5ed0561247e2e44a8b810232b73eabaae71faf5
SHA512

4baa73b69595f9482f25acb233e4b9d7e2ed4257422a99a936a638d8012168ecf77e573f12d4da83b13b41e965d594332768cbded5e57d35cbe66cb4d30e30e6
SSDEEP

1536:A5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:A5fvp12UFKcD/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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8CF09841 = "C:\\Users\\Admin\\AppData\\Roaming\\8CF09841\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3716	996	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_7328edde29c8c711f4f21ca3fad9bb3d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
996	winver.exe
996	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3536	Explorer.EXE
Token: SeCreatePagefilePrivilege	3536	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
996	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3164 wrote to memory of 996	3164	JaffaCakes118_7328edde29c8c711f4f21ca3fad9bb3d.exe	83
PID 3164 wrote to memory of 996	3164	JaffaCakes118_7328edde29c8c711f4f21ca3fad9bb3d.exe	83
PID 3164 wrote to memory of 996	3164	JaffaCakes118_7328edde29c8c711f4f21ca3fad9bb3d.exe	83
PID 3164 wrote to memory of 996	3164	JaffaCakes118_7328edde29c8c711f4f21ca3fad9bb3d.exe	83
PID 996 wrote to memory of 3536	996	winver.exe	56
PID 996 wrote to memory of 2652	996	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2652

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3536
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7328edde29c8c711f4f21ca3fad9bb3d.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7328edde29c8c711f4f21ca3fad9bb3d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3164
- - 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:996
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 996 -s 356
      4⤵
      Program crash
      PID:3716

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 996 -ip 996
1⤵
PID:3972

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/996-5-0x0000000077BD2000-0x0000000077BD3000-memory.dmp

Filesize
4KB

Download
memory/996-4-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/996-7-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/996-13-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/2652-14-0x0000000000820000-0x0000000000826000-memory.dmp

Filesize
24KB

Download
memory/3164-0-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download
memory/3164-3-0x0000000002330000-0x0000000002D30000-memory.dmp

Filesize
10.0MB

Download
memory/3164-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3164-9-0x0000000002330000-0x0000000002D30000-memory.dmp

Filesize
10.0MB

Download
memory/3536-1-0x0000000000710000-0x0000000000716000-memory.dmp

Filesize
24KB

Download
memory/3536-2-0x0000000000710000-0x0000000000716000-memory.dmp

Filesize
24KB

Download
memory/3536-6-0x00007FF87446D000-0x00007FF87446E000-memory.dmp

Filesize
4KB

Download