tinba | ca6c2263eb79f865fde8e40c2fbe247a1625beb4b9881e7646434ae04500a1fa

Analysis

max time kernel
143s
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
06-12-2024 20:14

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General

Target

ca6c2263eb79f865fde8e40c2fbe247a1625beb4b9881e7646434ae04500a1fa.exe
Size

59KB
MD5

158b48d453e3ce8205b4cb683fb06a78
SHA1

ade8523547ba5d310edba61ca98563faa8da0918
SHA256

ca6c2263eb79f865fde8e40c2fbe247a1625beb4b9881e7646434ae04500a1fa
SHA512

eb63ec272a9dbfb75abe57cd3897d3a7b6cf6bddf7dba95fadc20dd4da47ad0b89f8a985d4a8091e02eb127c02da203917794a6ef54f8edc56a34e7bb483ff84
SSDEEP

768:K+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9JV:K+mFM2HXKZgiFP7xIksu+XM5O9JV

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\A6E15697 = "C:\\Users\\Admin\\AppData\\Roaming\\A6E15697\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4340	1264	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	ca6c2263eb79f865fde8e40c2fbe247a1625beb4b9881e7646434ae04500a1fa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1264	winver.exe
1264	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1264	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3544 wrote to memory of 1264	3544	ca6c2263eb79f865fde8e40c2fbe247a1625beb4b9881e7646434ae04500a1fa.exe	84
PID 3544 wrote to memory of 1264	3544	ca6c2263eb79f865fde8e40c2fbe247a1625beb4b9881e7646434ae04500a1fa.exe	84
PID 3544 wrote to memory of 1264	3544	ca6c2263eb79f865fde8e40c2fbe247a1625beb4b9881e7646434ae04500a1fa.exe	84
PID 3544 wrote to memory of 1264	3544	ca6c2263eb79f865fde8e40c2fbe247a1625beb4b9881e7646434ae04500a1fa.exe	84
PID 1264 wrote to memory of 3444	1264	winver.exe	56
PID 1264 wrote to memory of 2728	1264	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2728

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3444
- C:\Users\Admin\AppData\Local\Temp\ca6c2263eb79f865fde8e40c2fbe247a1625beb4b9881e7646434ae04500a1fa.exe
  "C:\Users\Admin\AppData\Local\Temp\ca6c2263eb79f865fde8e40c2fbe247a1625beb4b9881e7646434ae04500a1fa.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3544
- - 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:1264
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1264 -s 352
      4⤵
      Program crash
      PID:4340

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1264 -ip 1264
1⤵
PID:2516

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/1264-4-0x0000000077E42000-0x0000000077E43000-memory.dmp

Filesize
4KB

Download
memory/1264-6-0x00007FFCF2570000-0x00007FFCF2765000-memory.dmp

Filesize
2.0MB

Download
memory/1264-10-0x0000000000C40000-0x0000000000C46000-memory.dmp

Filesize
24KB

Download
memory/1264-13-0x0000000000C40000-0x0000000000C46000-memory.dmp

Filesize
24KB

Download
memory/2728-12-0x0000000000E70000-0x0000000000E76000-memory.dmp

Filesize
24KB

Download
memory/3444-2-0x0000000000B60000-0x0000000000B66000-memory.dmp

Filesize
24KB

Download
memory/3444-1-0x0000000000B60000-0x0000000000B66000-memory.dmp

Filesize
24KB

Download
memory/3444-5-0x00007FFCF260D000-0x00007FFCF260E000-memory.dmp

Filesize
4KB

Download
memory/3544-0-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download
memory/3544-3-0x0000000002390000-0x0000000002D90000-memory.dmp

Filesize
10.0MB

Download
memory/3544-7-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3544-8-0x0000000002390000-0x0000000002D90000-memory.dmp

Filesize
10.0MB

Download