tinba | a81fa094a0322dd87d6fb4ae368e96750aabce0a206c55c2584bb1caa9118d1c

Analysis

max time kernel
111s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-01-2025 07:42

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General

Target

a81fa094a0322dd87d6fb4ae368e96750aabce0a206c55c2584bb1caa9118d1c.exe
Size

89KB
MD5

f0d0b4d8af0fe46144e89feaf18fb55e
SHA1

cc6de4662a347dd85d762ce6b0d7d40d40f762da
SHA256

a81fa094a0322dd87d6fb4ae368e96750aabce0a206c55c2584bb1caa9118d1c
SHA512

3b461b6e62c39adce4be99e81bbf05cdceb250a0b8550c907ed4d18e892751f4768f2e650c546236d965b039a52db5a7035d9a80ccaa0d63e51729b8a1f0cc14
SSDEEP

1536:+z44CpRkr9DXhH/2m//56RrufqjhzrmKIFAV0Eh:+zvokZRfN/yFj1qrFAHh

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\D0182600 = "C:\\Users\\Admin\\AppData\\Roaming\\D0182600\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3588	2076	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	a81fa094a0322dd87d6fb4ae368e96750aabce0a206c55c2584bb1caa9118d1c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2076	winver.exe
2076	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3556	Explorer.EXE
Token: SeCreatePagefilePrivilege	3556	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2076	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 556 wrote to memory of 2076	556	a81fa094a0322dd87d6fb4ae368e96750aabce0a206c55c2584bb1caa9118d1c.exe	84
PID 556 wrote to memory of 2076	556	a81fa094a0322dd87d6fb4ae368e96750aabce0a206c55c2584bb1caa9118d1c.exe	84
PID 556 wrote to memory of 2076	556	a81fa094a0322dd87d6fb4ae368e96750aabce0a206c55c2584bb1caa9118d1c.exe	84
PID 556 wrote to memory of 2076	556	a81fa094a0322dd87d6fb4ae368e96750aabce0a206c55c2584bb1caa9118d1c.exe	84
PID 2076 wrote to memory of 3556	2076	winver.exe	56
PID 2076 wrote to memory of 2656	2076	winver.exe	44

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2656

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3556
- C:\Users\Admin\AppData\Local\Temp\a81fa094a0322dd87d6fb4ae368e96750aabce0a206c55c2584bb1caa9118d1c.exe
  "C:\Users\Admin\AppData\Local\Temp\a81fa094a0322dd87d6fb4ae368e96750aabce0a206c55c2584bb1caa9118d1c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:556
- - 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:2076
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 352
      4⤵
      Program crash
      PID:3588

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2076 -ip 2076
1⤵
PID:468

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/556-0-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/556-1-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/556-11-0x0000000002360000-0x0000000002D60000-memory.dmp

Filesize
10.0MB

Download
memory/556-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/556-4-0x0000000002360000-0x0000000002D60000-memory.dmp

Filesize
10.0MB

Download
memory/2076-6-0x0000000077032000-0x0000000077033000-memory.dmp

Filesize
4KB

Download
memory/2076-5-0x0000000000B00000-0x0000000000B06000-memory.dmp

Filesize
24KB

Download
memory/2076-8-0x00007FF9F7B50000-0x00007FF9F7D45000-memory.dmp

Filesize
2.0MB

Download
memory/2076-16-0x0000000000B00000-0x0000000000B06000-memory.dmp

Filesize
24KB

Download
memory/2656-15-0x0000000000F20000-0x0000000000F26000-memory.dmp

Filesize
24KB

Download
memory/3556-7-0x00007FF9F7BED000-0x00007FF9F7BEE000-memory.dmp

Filesize
4KB

Download
memory/3556-3-0x0000000001420000-0x0000000001426000-memory.dmp

Filesize
24KB

Download
memory/3556-2-0x0000000001420000-0x0000000001426000-memory.dmp

Filesize
24KB

Download