tinba | 6c7ca572606961f212fdc41ce73617d9e3c2cff300b40f10ccf37f9df6f26c95

Analysis

max time kernel
138s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/09/2024, 15:29

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General

Target

6c7ca572606961f212fdc41ce73617d9e3c2cff300b40f10ccf37f9df6f26c95N.exe
Size

160KB
MD5

dd6b4f1747fd60bc6bd42517410cfde0
SHA1

ca0850c763963f97a8ae8c867e7c0a0c1e320bf7
SHA256

6c7ca572606961f212fdc41ce73617d9e3c2cff300b40f10ccf37f9df6f26c95
SHA512

de406a9761051624bb159f6b99bc86be54de3e556e8e9df793fed4c96df2d8383448805f85912e6439e06c1bfd9ab9645dd14406f7ebe837cabf43444d00dae6
SSDEEP

1536:WEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:9Y+4MiIkLZJNAQ9J6v

Score

10^/10

tinba banker discovery persistence trojan upx

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2652-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

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-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\403D8429 = "C:\\Users\\Admin\\AppData\\Roaming\\403D8429\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3740	4016	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	6c7ca572606961f212fdc41ce73617d9e3c2cff300b40f10ccf37f9df6f26c95N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4016	winver.exe
4016	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3548	Explorer.EXE
Token: SeCreatePagefilePrivilege	3548	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4016	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2652 wrote to memory of 4016	2652	6c7ca572606961f212fdc41ce73617d9e3c2cff300b40f10ccf37f9df6f26c95N.exe	83
PID 2652 wrote to memory of 4016	2652	6c7ca572606961f212fdc41ce73617d9e3c2cff300b40f10ccf37f9df6f26c95N.exe	83
PID 2652 wrote to memory of 4016	2652	6c7ca572606961f212fdc41ce73617d9e3c2cff300b40f10ccf37f9df6f26c95N.exe	83
PID 2652 wrote to memory of 4016	2652	6c7ca572606961f212fdc41ce73617d9e3c2cff300b40f10ccf37f9df6f26c95N.exe	83
PID 4016 wrote to memory of 3548	4016	winver.exe	56
PID 4016 wrote to memory of 2596	4016	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2596

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3548
- C:\Users\Admin\AppData\Local\Temp\6c7ca572606961f212fdc41ce73617d9e3c2cff300b40f10ccf37f9df6f26c95N.exe
  "C:\Users\Admin\AppData\Local\Temp\6c7ca572606961f212fdc41ce73617d9e3c2cff300b40f10ccf37f9df6f26c95N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2652
- - 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:4016
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4016 -s 352
      4⤵
      Program crash
      PID:3740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4016 -ip 4016
1⤵
PID:4132

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/2596-15-0x0000000000030000-0x0000000000036000-memory.dmp

Filesize
24KB

Download
memory/2596-13-0x0000000000030000-0x0000000000036000-memory.dmp

Filesize
24KB

Download
memory/2652-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2652-1-0x0000000000590000-0x0000000000591000-memory.dmp

Filesize
4KB

Download
memory/2652-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2652-4-0x0000000002220000-0x0000000002C20000-memory.dmp

Filesize
10.0MB

Download
memory/2652-9-0x0000000002220000-0x0000000002C20000-memory.dmp

Filesize
10.0MB

Download
memory/3548-2-0x0000000000850000-0x0000000000856000-memory.dmp

Filesize
24KB

Download
memory/3548-6-0x00007FF86262D000-0x00007FF86262E000-memory.dmp

Filesize
4KB

Download
memory/3548-3-0x0000000000850000-0x0000000000856000-memory.dmp

Filesize
24KB

Download
memory/4016-7-0x00007FF862590000-0x00007FF862785000-memory.dmp

Filesize
2.0MB

Download
memory/4016-11-0x0000000000AD0000-0x0000000000AD6000-memory.dmp

Filesize
24KB

Download
memory/4016-5-0x00000000774B2000-0x00000000774B3000-memory.dmp

Filesize
4KB

Download
memory/4016-14-0x0000000000AD0000-0x0000000000AD6000-memory.dmp

Filesize
24KB

Download