tinba | 483aea1a285779f49a95ae0504138fd55471a7513c7d839f3874997681cff0bd

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
01-01-2025 01:55

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General

Target

JaffaCakes118_42ffa469f1e561ffe9f3692e7597ae01.exe
Size

88KB
MD5

42ffa469f1e561ffe9f3692e7597ae01
SHA1

74914e574178df543f1bfe0abae25485d7279731
SHA256

483aea1a285779f49a95ae0504138fd55471a7513c7d839f3874997681cff0bd
SHA512

32482df140c96c37eec5d53028bbf216797afc6d408d91ec2bd2b2ba219377407cfc80cc928dc246314b1fad112b295d52b99c0ee3e9f31b4a821d8c3e9043d6
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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\65BD8DD7 = "C:\\Users\\Admin\\AppData\\Roaming\\65BD8DD7\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2864	3780	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_42ffa469f1e561ffe9f3692e7597ae01.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3780	winver.exe
3780	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3540	Explorer.EXE
Token: SeCreatePagefilePrivilege	3540	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3780	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3156 wrote to memory of 3780	3156	JaffaCakes118_42ffa469f1e561ffe9f3692e7597ae01.exe	84
PID 3156 wrote to memory of 3780	3156	JaffaCakes118_42ffa469f1e561ffe9f3692e7597ae01.exe	84
PID 3156 wrote to memory of 3780	3156	JaffaCakes118_42ffa469f1e561ffe9f3692e7597ae01.exe	84
PID 3156 wrote to memory of 3780	3156	JaffaCakes118_42ffa469f1e561ffe9f3692e7597ae01.exe	84
PID 3780 wrote to memory of 3540	3780	winver.exe	56
PID 3780 wrote to memory of 2568	3780	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2568

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3540
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_42ffa469f1e561ffe9f3692e7597ae01.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_42ffa469f1e561ffe9f3692e7597ae01.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3156
- - 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:3780
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 352
      4⤵
      Program crash
      PID:2864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3780 -ip 3780
1⤵
PID:2220

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/2568-12-0x0000000000830000-0x0000000000836000-memory.dmp

Filesize
24KB

Download
memory/3156-0-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/3156-3-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/3156-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3156-8-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/3540-2-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download
memory/3540-1-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download
memory/3540-5-0x00007FF81CAED000-0x00007FF81CAEE000-memory.dmp

Filesize
4KB

Download
memory/3780-4-0x00000000779D2000-0x00000000779D3000-memory.dmp

Filesize
4KB

Download
memory/3780-6-0x00007FF81CA50000-0x00007FF81CC45000-memory.dmp

Filesize
2.0MB

Download
memory/3780-10-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/3780-13-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download