tinba | d4936ad4aedf4903da253250e7418b153dc57752eaef3b3e3e702bd8dc7937f2

Analysis

max time kernel
108s
max time network
96s
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 07:25

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General

Target

d4936ad4aedf4903da253250e7418b153dc57752eaef3b3e3e702bd8dc7937f2.exe
Size

59KB
MD5

d17e08e14e101184bd81e7675a77882e
SHA1

cd6586cd069cb713bae2a5d16be7343734e33c9b
SHA256

d4936ad4aedf4903da253250e7418b153dc57752eaef3b3e3e702bd8dc7937f2
SHA512

3b474ca392719d660fdb98e7ae1542a2cdff28d453db8b782ee78496baa94a874082619f8d8175ec7c14e39903a731461ce3bd718d9c60e8ade556931e0d32e9
SSDEEP

768:w+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9Jl:w+mFM2HXKZgiFP7xIksu+XM5O9Jl

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\7CAFBA38 = "C:\\Users\\Admin\\AppData\\Roaming\\7CAFBA38\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4432	4460	WerFault.exe	83

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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d4936ad4aedf4903da253250e7418b153dc57752eaef3b3e3e702bd8dc7937f2.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4460	winver.exe
4460	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3396	Explorer.EXE
Token: SeCreatePagefilePrivilege	3396	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4460	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4812 wrote to memory of 4460	4812	d4936ad4aedf4903da253250e7418b153dc57752eaef3b3e3e702bd8dc7937f2.exe	83
PID 4812 wrote to memory of 4460	4812	d4936ad4aedf4903da253250e7418b153dc57752eaef3b3e3e702bd8dc7937f2.exe	83
PID 4812 wrote to memory of 4460	4812	d4936ad4aedf4903da253250e7418b153dc57752eaef3b3e3e702bd8dc7937f2.exe	83
PID 4812 wrote to memory of 4460	4812	d4936ad4aedf4903da253250e7418b153dc57752eaef3b3e3e702bd8dc7937f2.exe	83
PID 4460 wrote to memory of 3396	4460	winver.exe	56
PID 4460 wrote to memory of 2972	4460	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2972

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3396
- C:\Users\Admin\AppData\Local\Temp\d4936ad4aedf4903da253250e7418b153dc57752eaef3b3e3e702bd8dc7937f2.exe
  "C:\Users\Admin\AppData\Local\Temp\d4936ad4aedf4903da253250e7418b153dc57752eaef3b3e3e702bd8dc7937f2.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4812
- - 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:4460
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4460 -s 352
      4⤵
      Program crash
      PID:4432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 4460 -ip 4460
1⤵
PID:4976

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

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Downloads

memory/2972-12-0x0000000000D30000-0x0000000000D36000-memory.dmp

Filesize
24KB

Download
memory/3396-2-0x0000000000870000-0x0000000000876000-memory.dmp

Filesize
24KB

Download
memory/3396-1-0x0000000000870000-0x0000000000876000-memory.dmp

Filesize
24KB

Download
memory/3396-5-0x00007FF947F6D000-0x00007FF947F6E000-memory.dmp

Filesize
4KB

Download
memory/4460-4-0x0000000077D12000-0x0000000077D13000-memory.dmp

Filesize
4KB

Download
memory/4460-6-0x00007FF947ED0000-0x00007FF9480C5000-memory.dmp

Filesize
2.0MB

Download
memory/4460-10-0x00000000007A0000-0x00000000007A6000-memory.dmp

Filesize
24KB

Download
memory/4460-13-0x00000000007A0000-0x00000000007A6000-memory.dmp

Filesize
24KB

Download
memory/4812-0-0x0000000000520000-0x0000000000521000-memory.dmp

Filesize
4KB

Download
memory/4812-3-0x0000000002370000-0x0000000002D70000-memory.dmp

Filesize
10.0MB

Download
memory/4812-7-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4812-8-0x0000000002370000-0x0000000002D70000-memory.dmp

Filesize
10.0MB

Download