tinba | dc3d75692e6b82b3ebd1a4e657553cbb90c41ae366912b97586143ec54658ff7

Analysis

max time kernel
145s
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
01-01-2025 12:07

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General

Target

JaffaCakes118_547a66dc1d8763f878fc27e5b74e9115.exe
Size

88KB
MD5

547a66dc1d8763f878fc27e5b74e9115
SHA1

0b9b4da0a2f523d3b7b54c6659b382b6225da0ce
SHA256

dc3d75692e6b82b3ebd1a4e657553cbb90c41ae366912b97586143ec54658ff7
SHA512

40196fcf38235711c82d0cf85e35a21b70f5ac4c6e02966a5f0c1a07f12a0dc5b14ae5fb5c8e53e3ad9e5a241f2fe2af4c14e891eb1ef732f880da76fed410b5
SSDEEP

1536:XPx+riFFG1g3K6KUm3wEeQqjh+rmKVsNsU:9YdsFE2jwqWsNsU

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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\94B1E017 = "C:\\Users\\Admin\\AppData\\Roaming\\94B1E017\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1840	2984	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_547a66dc1d8763f878fc27e5b74e9115.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2984	winver.exe
2984	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2984	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 2984	1956	JaffaCakes118_547a66dc1d8763f878fc27e5b74e9115.exe	86
PID 1956 wrote to memory of 2984	1956	JaffaCakes118_547a66dc1d8763f878fc27e5b74e9115.exe	86
PID 1956 wrote to memory of 2984	1956	JaffaCakes118_547a66dc1d8763f878fc27e5b74e9115.exe	86
PID 1956 wrote to memory of 2984	1956	JaffaCakes118_547a66dc1d8763f878fc27e5b74e9115.exe	86
PID 2984 wrote to memory of 3528	2984	winver.exe	56
PID 2984 wrote to memory of 2640	2984	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2640

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3528
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_547a66dc1d8763f878fc27e5b74e9115.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_547a66dc1d8763f878fc27e5b74e9115.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1956
- - 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:2984
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2984 -s 352
      4⤵
      Program crash
      PID:1840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2984 -ip 2984
1⤵
PID:3196

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/1956-0-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/1956-3-0x0000000002450000-0x0000000002E50000-memory.dmp

Filesize
10.0MB

Download
memory/1956-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1956-8-0x0000000002450000-0x0000000002E50000-memory.dmp

Filesize
10.0MB

Download
memory/2640-12-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/2984-4-0x0000000001F40000-0x0000000001F46000-memory.dmp

Filesize
24KB

Download
memory/2984-6-0x00007FFAB8B90000-0x00007FFAB8D85000-memory.dmp

Filesize
2.0MB

Download
memory/2984-13-0x0000000001F40000-0x0000000001F46000-memory.dmp

Filesize
24KB

Download
memory/3528-2-0x0000000000D90000-0x0000000000D96000-memory.dmp

Filesize
24KB

Download
memory/3528-1-0x0000000000D90000-0x0000000000D96000-memory.dmp

Filesize
24KB

Download
memory/3528-5-0x00007FFAB8C2D000-0x00007FFAB8C2E000-memory.dmp

Filesize
4KB

Download