tinba | 4db89eb48c4b4a31068822f6a0c531cb9e588c38bc00a836b069216c1d475ec4

Analysis

max time kernel
107s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-11-2024 15:23

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General

Target

4db89eb48c4b4a31068822f6a0c531cb9e588c38bc00a836b069216c1d475ec4N.exe
Size

59KB
MD5

550503f16a9761611c9cd57685c3f2c0
SHA1

848d009015689b2ed132aa38c4c9ba0b1d0f5971
SHA256

4db89eb48c4b4a31068822f6a0c531cb9e588c38bc00a836b069216c1d475ec4
SHA512

ae1b38ee16342980f6a7435023d175ea787da91368a66ae454b69e03afd42e256b10281459dd42cc7dab5174115c05ff1d9a1583f8b6519782b84746989a2ce4
SSDEEP

768:y+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9J1:y+mFM2HXKZgiFP7xIksu+XM5O9J1

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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\73F3B12B = "C:\\Users\\Admin\\AppData\\Roaming\\73F3B12B\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1892	4460	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	4db89eb48c4b4a31068822f6a0c531cb9e588c38bc00a836b069216c1d475ec4N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.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	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	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 4748 wrote to memory of 4460	4748	4db89eb48c4b4a31068822f6a0c531cb9e588c38bc00a836b069216c1d475ec4N.exe	84
PID 4748 wrote to memory of 4460	4748	4db89eb48c4b4a31068822f6a0c531cb9e588c38bc00a836b069216c1d475ec4N.exe	84
PID 4748 wrote to memory of 4460	4748	4db89eb48c4b4a31068822f6a0c531cb9e588c38bc00a836b069216c1d475ec4N.exe	84
PID 4748 wrote to memory of 4460	4748	4db89eb48c4b4a31068822f6a0c531cb9e588c38bc00a836b069216c1d475ec4N.exe	84
PID 4460 wrote to memory of 3504	4460	winver.exe	56
PID 4460 wrote to memory of 2652	4460	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2652

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3504
- C:\Users\Admin\AppData\Local\Temp\4db89eb48c4b4a31068822f6a0c531cb9e588c38bc00a836b069216c1d475ec4N.exe
  "C:\Users\Admin\AppData\Local\Temp\4db89eb48c4b4a31068822f6a0c531cb9e588c38bc00a836b069216c1d475ec4N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4748
- - 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 356
      4⤵
      Program crash
      PID:1892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4460 -ip 4460
1⤵
PID:400

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/2652-13-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/3504-1-0x0000000002AA0000-0x0000000002AA6000-memory.dmp

Filesize
24KB

Download
memory/3504-2-0x0000000002AA0000-0x0000000002AA6000-memory.dmp

Filesize
24KB

Download
memory/3504-6-0x00007FF8C69ED000-0x00007FF8C69EE000-memory.dmp

Filesize
4KB

Download
memory/4460-5-0x0000000077862000-0x0000000077863000-memory.dmp

Filesize
4KB

Download
memory/4460-4-0x0000000000BF0000-0x0000000000BF6000-memory.dmp

Filesize
24KB

Download
memory/4460-7-0x00007FF8C6950000-0x00007FF8C6B45000-memory.dmp

Filesize
2.0MB

Download
memory/4460-14-0x0000000000BF0000-0x0000000000BF6000-memory.dmp

Filesize
24KB

Download
memory/4748-0-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/4748-3-0x00000000021C0000-0x0000000002BC0000-memory.dmp

Filesize
10.0MB

Download
memory/4748-8-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4748-9-0x00000000021C0000-0x0000000002BC0000-memory.dmp

Filesize
10.0MB

Download