tinba | d1c64d2c64b95997a3904e8f072ebcf2293da7b0067043ebd394de24da0dee9d

Analysis

max time kernel
107s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/10/2024, 14:55

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General

Target
d1c64d2c64b95997a3904e8f072ebcf2293da7b0067043ebd394de24da0dee9dN.exe
Size 106KB
Sample241006-sam59azdpp
SHA256 d1c64d2c64b95997a3904e8f072ebcf2293da7b0067043ebd394de24da0dee9d
MD5 a226e6da7179c6721e9db7e1c341bfd0
SHA1 e757415a7226bd20c2c030c186b75e1ae6e4acaf
SHA512 136e7320b42df272fc48ea3403d3e3617d597fcf31b1a1b8854bfccf87e8b32a841b84d76f23db07989edd2c40b692b5513f0bad974485f9e6400c305176b975
SSDEEP 768:O+6p+OMlgGXCWhfDzU7f0JDgi9I57+sByZ+XsfXpwtG9ipelU9JA:O+mFM2QXtZgi9Iksu+XM57ipeq9JA
MD5 SHA1 SHA512 SSDEEP

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

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\F0BA99EF = "C:\\Users\\Admin\\AppData\\Roaming\\F0BA99EF\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3568	2840	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	d1c64d2c64b95997a3904e8f072ebcf2293da7b0067043ebd394de24da0dee9dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2840	winver.exe
2840	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3500	Explorer.EXE
Token: SeCreatePagefilePrivilege	3500	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2840	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5032 wrote to memory of 2840	5032	d1c64d2c64b95997a3904e8f072ebcf2293da7b0067043ebd394de24da0dee9dN.exe	83
PID 5032 wrote to memory of 2840	5032	d1c64d2c64b95997a3904e8f072ebcf2293da7b0067043ebd394de24da0dee9dN.exe	83
PID 5032 wrote to memory of 2840	5032	d1c64d2c64b95997a3904e8f072ebcf2293da7b0067043ebd394de24da0dee9dN.exe	83
PID 5032 wrote to memory of 2840	5032	d1c64d2c64b95997a3904e8f072ebcf2293da7b0067043ebd394de24da0dee9dN.exe	83
PID 2840 wrote to memory of 3500	2840	winver.exe	56
PID 2840 wrote to memory of 2796	2840	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2796

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3500
- C:\Users\Admin\AppData\Local\Temp\d1c64d2c64b95997a3904e8f072ebcf2293da7b0067043ebd394de24da0dee9dN.exe
  "C:\Users\Admin\AppData\Local\Temp\d1c64d2c64b95997a3904e8f072ebcf2293da7b0067043ebd394de24da0dee9dN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5032
- - 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:2840
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2840 -s 360
      4⤵
      Program crash
      PID:3568

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2840 -ip 2840
1⤵
PID:3676

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/2796-13-0x0000000000B60000-0x0000000000B66000-memory.dmp

Download

memory/2840-5-0x00000000775C2000-0x00000000775C3000-memory.dmp

Download

memory/2840-14-0x0000000002B20000-0x0000000002B26000-memory.dmp

Download

memory/2840-11-0x0000000002B20000-0x0000000002B26000-memory.dmp

Download

memory/2840-7-0x00007FFEADE30000-0x00007FFEAE025000-memory.dmp

Download

memory/3500-3-0x0000000000850000-0x0000000000856000-memory.dmp

Download

memory/3500-6-0x00007FFEADECD000-0x00007FFEADECE000-memory.dmp

Download

memory/3500-2-0x0000000000850000-0x0000000000856000-memory.dmp

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memory/5032-4-0x0000000002290000-0x0000000002C90000-memory.dmp

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memory/5032-8-0x0000000000400000-0x000000000041C000-memory.dmp

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memory/5032-9-0x0000000002290000-0x0000000002C90000-memory.dmp

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memory/5032-0-0x0000000000400000-0x000000000041C000-memory.dmp

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memory/5032-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

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