tinba | 788647ad8f4c2a0af1c5b720c362360063267fcffe5f36b163bfc990055c2cbd

Analysis

max time kernel
103s
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
24/11/2024, 03:45

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General

Target
788647ad8f4c2a0af1c5b720c362360063267fcffe5f36b163bfc990055c2cbd.exe
Size 160KB
Sample241124-ebecvasmgz
SHA256 788647ad8f4c2a0af1c5b720c362360063267fcffe5f36b163bfc990055c2cbd
MD5 72ccde85a42bc891ad68fe823e30eca6
SHA1 f4c78a317a1a2b4610843b934a94af68eaa84aad
SHA512 6ab83a3827c00f6fb7f79580ef3dbc037c5bfb52823287fb90ab57a205f3c4ad74d3f205443bb0f94352a85f669cbfa2895408b2bb0dcc93b468f988812a0805
SSDEEP 1536:SEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xphM:ZY+4MiIkLZJNAQ9J6ve
MD5 SHA1 SHA512 SSDEEP

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
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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\19035349 = "C:\\Users\\Admin\\AppData\\Roaming\\19035349\\bin.exe"	winver.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/552-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2164	2960	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	788647ad8f4c2a0af1c5b720c362360063267fcffe5f36b163bfc990055c2cbd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2960	winver.exe
2960	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2960	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 552 wrote to memory of 2960	552	788647ad8f4c2a0af1c5b720c362360063267fcffe5f36b163bfc990055c2cbd.exe	83
PID 552 wrote to memory of 2960	552	788647ad8f4c2a0af1c5b720c362360063267fcffe5f36b163bfc990055c2cbd.exe	83
PID 552 wrote to memory of 2960	552	788647ad8f4c2a0af1c5b720c362360063267fcffe5f36b163bfc990055c2cbd.exe	83
PID 552 wrote to memory of 2960	552	788647ad8f4c2a0af1c5b720c362360063267fcffe5f36b163bfc990055c2cbd.exe	83
PID 2960 wrote to memory of 3436	2960	winver.exe	56
PID 2960 wrote to memory of 3016	2960	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3016

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3436
- C:\Users\Admin\AppData\Local\Temp\788647ad8f4c2a0af1c5b720c362360063267fcffe5f36b163bfc990055c2cbd.exe
  "C:\Users\Admin\AppData\Local\Temp\788647ad8f4c2a0af1c5b720c362360063267fcffe5f36b163bfc990055c2cbd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:552
- - 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:2960
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 352
      4⤵
      Program crash
      PID:2164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2960 -ip 2960
1⤵
PID:1092

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/552-0-0x0000000000400000-0x0000000000428000-memory.dmp

Download

memory/552-1-0x00000000005D0000-0x00000000005D1000-memory.dmp

Download

memory/552-10-0x0000000002380000-0x0000000002D80000-memory.dmp

Download

memory/552-9-0x0000000000400000-0x0000000000428000-memory.dmp

Download

memory/552-4-0x0000000002380000-0x0000000002D80000-memory.dmp

Download

memory/2960-5-0x0000000001180000-0x0000000001186000-memory.dmp

Download

memory/2960-6-0x0000000077BD2000-0x0000000077BD3000-memory.dmp

Download

memory/2960-8-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

Download

memory/2960-15-0x0000000001180000-0x0000000001186000-memory.dmp

Download

memory/3016-14-0x00000000006F0000-0x00000000006F6000-memory.dmp

Download

memory/3436-7-0x00007FFB0CA0D000-0x00007FFB0CA0E000-memory.dmp

Download

memory/3436-2-0x0000000000BF0000-0x0000000000BF6000-memory.dmp

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memory/3436-3-0x0000000000BF0000-0x0000000000BF6000-memory.dmp

Download