tinba | 98b00df39b7f7a7cfda8a02e50dd4d04e1cdd8edfabd111b0d38047d8fbbf15c

Analysis

max time kernel
104s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 10:05

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General

Target

98b00df39b7f7a7cfda8a02e50dd4d04e1cdd8edfabd111b0d38047d8fbbf15c.exe
Size

34KB
MD5

15b30697d4380334a2e1c9533c015bd5
SHA1

56068fad7da3763ecc847141d35a85227bb94854
SHA256

98b00df39b7f7a7cfda8a02e50dd4d04e1cdd8edfabd111b0d38047d8fbbf15c
SHA512

13e21ac8483b20f7d5f846e310188263be685e9e664662e996a5a5daf4c699833786aedb847c7e3a8bd008b5eb229da15fd9f7956f791f870c8f2335a3746cab
SSDEEP

768:Qp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9Ji:QpYoX58z1uirL98xMWnT0OQ9Ji

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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\16A84379 = "C:\\Users\\Admin\\AppData\\Roaming\\16A84379\\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/4764-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4032	524	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	98b00df39b7f7a7cfda8a02e50dd4d04e1cdd8edfabd111b0d38047d8fbbf15c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
524	winver.exe
524	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3536	Explorer.EXE
Token: SeCreatePagefilePrivilege	3536	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
524	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4764 wrote to memory of 524	4764	98b00df39b7f7a7cfda8a02e50dd4d04e1cdd8edfabd111b0d38047d8fbbf15c.exe	83
PID 4764 wrote to memory of 524	4764	98b00df39b7f7a7cfda8a02e50dd4d04e1cdd8edfabd111b0d38047d8fbbf15c.exe	83
PID 4764 wrote to memory of 524	4764	98b00df39b7f7a7cfda8a02e50dd4d04e1cdd8edfabd111b0d38047d8fbbf15c.exe	83
PID 4764 wrote to memory of 524	4764	98b00df39b7f7a7cfda8a02e50dd4d04e1cdd8edfabd111b0d38047d8fbbf15c.exe	83
PID 524 wrote to memory of 3536	524	winver.exe	56
PID 524 wrote to memory of 2652	524	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:3536
- C:\Users\Admin\AppData\Local\Temp\98b00df39b7f7a7cfda8a02e50dd4d04e1cdd8edfabd111b0d38047d8fbbf15c.exe
  "C:\Users\Admin\AppData\Local\Temp\98b00df39b7f7a7cfda8a02e50dd4d04e1cdd8edfabd111b0d38047d8fbbf15c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4764
- - 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:524
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 524 -s 356
      4⤵
      Program crash
      PID:4032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 524 -ip 524
1⤵
PID:640

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/524-10-0x00000000007B0000-0x00000000007B6000-memory.dmp

Filesize
24KB

Download
memory/524-6-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/524-14-0x00000000007B0000-0x00000000007B6000-memory.dmp

Filesize
24KB

Download
memory/2652-15-0x0000000000820000-0x0000000000826000-memory.dmp

Filesize
24KB

Download
memory/2652-12-0x0000000000820000-0x0000000000826000-memory.dmp

Filesize
24KB

Download
memory/2652-13-0x00007FF87446D000-0x00007FF87446E000-memory.dmp

Filesize
4KB

Download
memory/3536-5-0x00007FF87446D000-0x00007FF87446E000-memory.dmp

Filesize
4KB

Download
memory/3536-2-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download
memory/3536-3-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download
memory/4764-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/4764-4-0x00000000022B0000-0x0000000002CB0000-memory.dmp

Filesize
10.0MB

Download
memory/4764-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4764-8-0x00000000022B0000-0x0000000002CB0000-memory.dmp

Filesize
10.0MB

Download
memory/4764-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download