tinba | 98b00df39b7f7a7cfda8a02e50dd4d04e1cdd8edfabd111b0d38047d8fbbf15c

Analysis

max time kernel
145s
max time network
146s
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, 10:19

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General

Target
98b00df39b7f7a7cfda8a02e50dd4d04e1cdd8edfabd111b0d38047d8fbbf15c.exe
Size 34KB
Sample241122-mcqfhayndw
SHA256 98b00df39b7f7a7cfda8a02e50dd4d04e1cdd8edfabd111b0d38047d8fbbf15c
MD5 15b30697d4380334a2e1c9533c015bd5
SHA1 56068fad7da3763ecc847141d35a85227bb94854
SHA512 13e21ac8483b20f7d5f846e310188263be685e9e664662e996a5a5daf4c699833786aedb847c7e3a8bd008b5eb229da15fd9f7956f791f870c8f2335a3746cab
SSDEEP 768:Qp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9Ji:QpYoX58z1uirL98xMWnT0OQ9Ji
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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DD8004C5 = "C:\\Users\\Admin\\AppData\\Roaming\\DD8004C5\\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/4584-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2856	4488	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
4488	winver.exe
4488	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3360	Explorer.EXE
Token: SeCreatePagefilePrivilege	3360	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4488	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4584 wrote to memory of 4488	4584	98b00df39b7f7a7cfda8a02e50dd4d04e1cdd8edfabd111b0d38047d8fbbf15c.exe	83
PID 4584 wrote to memory of 4488	4584	98b00df39b7f7a7cfda8a02e50dd4d04e1cdd8edfabd111b0d38047d8fbbf15c.exe	83
PID 4584 wrote to memory of 4488	4584	98b00df39b7f7a7cfda8a02e50dd4d04e1cdd8edfabd111b0d38047d8fbbf15c.exe	83
PID 4584 wrote to memory of 4488	4584	98b00df39b7f7a7cfda8a02e50dd4d04e1cdd8edfabd111b0d38047d8fbbf15c.exe	83
PID 4488 wrote to memory of 3360	4488	winver.exe	56
PID 4488 wrote to memory of 2620	4488	winver.exe	47

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2620

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3360
- 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:4584
- - 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:4488
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4488 -s 352
      4⤵
      Program crash
      PID:2856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 4488 -ip 4488
1⤵
PID:1108

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/2620-14-0x00007FF9611CD000-0x00007FF9611CE000-memory.dmp

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memory/2620-16-0x0000000000D10000-0x0000000000D16000-memory.dmp

Download

memory/2620-13-0x0000000000D10000-0x0000000000D16000-memory.dmp

Download

memory/3360-2-0x0000000000150000-0x0000000000156000-memory.dmp

Download

memory/3360-3-0x0000000000150000-0x0000000000156000-memory.dmp

Download

memory/3360-6-0x00007FF9611CD000-0x00007FF9611CE000-memory.dmp

Download

memory/4488-5-0x0000000077612000-0x0000000077613000-memory.dmp

Download

memory/4488-7-0x00007FF961130000-0x00007FF961325000-memory.dmp

Download

memory/4488-11-0x0000000000560000-0x0000000000566000-memory.dmp

Download

memory/4488-15-0x0000000000560000-0x0000000000566000-memory.dmp

Download

memory/4584-8-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/4584-9-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Download

memory/4584-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4584-4-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Download

memory/4584-1-0x0000000002160000-0x0000000002161000-memory.dmp

Download