tinba | fdfc1ba07ae98efb84cab578094d4b53b5d95f10d0cfaef450b90db56d5532ed

Analysis

max time kernel
147s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-01-2025 06:28

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General

Target

JaffaCakes118_906a0e46bb3346e5c194a94f431d2be8.exe
Size

88KB
MD5

906a0e46bb3346e5c194a94f431d2be8
SHA1

50b9b1ac0cdb67aaa4973b67bcea1d677e949543
SHA256

fdfc1ba07ae98efb84cab578094d4b53b5d95f10d0cfaef450b90db56d5532ed
SHA512

be43c5a7e4fe17fd58c9098371c0c514402b60d0f48e8e724524e89d84622a3ce264cf62e0cc15b7c8caca9168beb1e479d75f6fcf570f95ea3f062d735ce2ad
SSDEEP

1536:05nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:05fvp12UFKcD/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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EFF6A09F = "C:\\Users\\Admin\\AppData\\Roaming\\EFF6A09F\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4288	4628	WerFault.exe	86

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_906a0e46bb3346e5c194a94f431d2be8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4628	winver.exe
4628	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3368	Explorer.EXE
Token: SeCreatePagefilePrivilege	3368	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4628	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2768 wrote to memory of 4628	2768	JaffaCakes118_906a0e46bb3346e5c194a94f431d2be8.exe	86
PID 2768 wrote to memory of 4628	2768	JaffaCakes118_906a0e46bb3346e5c194a94f431d2be8.exe	86
PID 2768 wrote to memory of 4628	2768	JaffaCakes118_906a0e46bb3346e5c194a94f431d2be8.exe	86
PID 2768 wrote to memory of 4628	2768	JaffaCakes118_906a0e46bb3346e5c194a94f431d2be8.exe	86
PID 4628 wrote to memory of 3368	4628	winver.exe	56
PID 4628 wrote to memory of 2648	4628	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2648

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3368
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_906a0e46bb3346e5c194a94f431d2be8.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_906a0e46bb3346e5c194a94f431d2be8.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2768
- - 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:4628
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4628 -s 352
      4⤵
      Program crash
      PID:4288

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4628 -ip 4628
1⤵
PID:1152

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/2648-13-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/2768-0-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/2768-3-0x0000000002150000-0x0000000002B50000-memory.dmp

Filesize
10.0MB

Download
memory/2768-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2768-9-0x0000000002150000-0x0000000002B50000-memory.dmp

Filesize
10.0MB

Download
memory/3368-2-0x0000000001380000-0x0000000001386000-memory.dmp

Filesize
24KB

Download
memory/3368-1-0x0000000001380000-0x0000000001386000-memory.dmp

Filesize
24KB

Download
memory/3368-6-0x00007FFBBEDCD000-0x00007FFBBEDCE000-memory.dmp

Filesize
4KB

Download
memory/4628-7-0x00007FFBBED30000-0x00007FFBBEF25000-memory.dmp

Filesize
2.0MB

Download
memory/4628-5-0x0000000077CE2000-0x0000000077CE3000-memory.dmp

Filesize
4KB

Download
memory/4628-4-0x00000000008D0000-0x00000000008D6000-memory.dmp

Filesize
24KB

Download
memory/4628-14-0x00000000008D0000-0x00000000008D6000-memory.dmp

Filesize
24KB

Download