tinba | 0e711d5803b197b6957ba439dbfee6849e604c2b8fcd21d42ba21dcecf450979

Analysis

max time kernel
102s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 18:26

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General

Target
0e711d5803b197b6957ba439dbfee6849e604c2b8fcd21d42ba21dcecf450979N.exe
Size 45KB
Sample240919-w29ecataqe
SHA256 0e711d5803b197b6957ba439dbfee6849e604c2b8fcd21d42ba21dcecf450979
MD5 fc2982a202553b3c4363fde0811f9ba0
SHA1 ff44f7ae325cc71a91f1e8c454624dab3a34efbc
SHA512 26eac081f9e6e7a9da451df1ae2eaa723477bd4028eecfd4343d4b390d6827955441f29ec82bf4ecff3dc3ee0742e3510c021acdb9ef36fad8c60ee5b5a83c8c
SSDEEP 768:whP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:MsWE9N5dFu53dsniQaB/xZ14n7zIF+qr
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

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/512-0-0x0000000000400000-0x000000000041D000-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-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5146E1F0 = "C:\\Users\\Admin\\AppData\\Roaming\\5146E1F0\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2588	4388	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	0e711d5803b197b6957ba439dbfee6849e604c2b8fcd21d42ba21dcecf450979N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4388	winver.exe
4388	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4388	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 512 wrote to memory of 4388	512	0e711d5803b197b6957ba439dbfee6849e604c2b8fcd21d42ba21dcecf450979N.exe	83
PID 512 wrote to memory of 4388	512	0e711d5803b197b6957ba439dbfee6849e604c2b8fcd21d42ba21dcecf450979N.exe	83
PID 512 wrote to memory of 4388	512	0e711d5803b197b6957ba439dbfee6849e604c2b8fcd21d42ba21dcecf450979N.exe	83
PID 512 wrote to memory of 4388	512	0e711d5803b197b6957ba439dbfee6849e604c2b8fcd21d42ba21dcecf450979N.exe	83
PID 4388 wrote to memory of 3452	4388	winver.exe	56
PID 4388 wrote to memory of 2956	4388	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2956

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3452
- C:\Users\Admin\AppData\Local\Temp\0e711d5803b197b6957ba439dbfee6849e604c2b8fcd21d42ba21dcecf450979N.exe
  "C:\Users\Admin\AppData\Local\Temp\0e711d5803b197b6957ba439dbfee6849e604c2b8fcd21d42ba21dcecf450979N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:512
- - 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:4388
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4388 -s 352
      4⤵
      Program crash
      PID:2588

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4388 -ip 4388
1⤵
PID:1972

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/512-9-0x0000000000400000-0x000000000041D000-memory.dmp

Download

memory/512-1-0x00000000004F0000-0x00000000004F1000-memory.dmp

Download

memory/512-0-0x0000000000400000-0x000000000041D000-memory.dmp

Download

memory/512-4-0x0000000002230000-0x0000000002C30000-memory.dmp

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memory/512-10-0x0000000002230000-0x0000000002C30000-memory.dmp

Download

memory/2956-14-0x0000000000FC0000-0x0000000000FC6000-memory.dmp

Download

memory/3452-2-0x0000000000900000-0x0000000000906000-memory.dmp

Download

memory/3452-7-0x00007FFF5302D000-0x00007FFF5302E000-memory.dmp

Download

memory/3452-3-0x0000000000900000-0x0000000000906000-memory.dmp

Download

memory/4388-6-0x00000000779A2000-0x00000000779A3000-memory.dmp

Download

memory/4388-8-0x00007FFF52F90000-0x00007FFF53185000-memory.dmp

Download

memory/4388-5-0x00000000005F0000-0x00000000005F6000-memory.dmp

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memory/4388-15-0x00000000005F0000-0x00000000005F6000-memory.dmp

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