tinba | 42955c1bb11810e3875887a14de99d6116603db290bcd23f39d7059608f85b6d

Analysis

max time kernel
116s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2024, 15:47

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General

Target

42955c1bb11810e3875887a14de99d6116603db290bcd23f39d7059608f85b6dN.exe
Size

45KB
MD5

9e0d2d13897220b97d8af8e57d860d90
SHA1

0dad350088ba7185c6314cde7c9d70ec1e31684e
SHA256

42955c1bb11810e3875887a14de99d6116603db290bcd23f39d7059608f85b6d
SHA512

4f960df4a167d402cdf2eb1a2b1cc8312d53d83ce6591b88e7f06a36822a7fa07dd0cfbffa1c712b1243b7e7c2f5b59c1b4da2dedb9b6c30a4c35602287d0e52
SSDEEP

768:8hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:wsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\06447F89 = "C:\\Users\\Admin\\AppData\\Roaming\\06447F89\\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/4536-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4524	1064	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	42955c1bb11810e3875887a14de99d6116603db290bcd23f39d7059608f85b6dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1064	winver.exe
1064	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3584	Explorer.EXE
Token: SeCreatePagefilePrivilege	3584	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1064	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4536 wrote to memory of 1064	4536	42955c1bb11810e3875887a14de99d6116603db290bcd23f39d7059608f85b6dN.exe	83
PID 4536 wrote to memory of 1064	4536	42955c1bb11810e3875887a14de99d6116603db290bcd23f39d7059608f85b6dN.exe	83
PID 4536 wrote to memory of 1064	4536	42955c1bb11810e3875887a14de99d6116603db290bcd23f39d7059608f85b6dN.exe	83
PID 4536 wrote to memory of 1064	4536	42955c1bb11810e3875887a14de99d6116603db290bcd23f39d7059608f85b6dN.exe	83
PID 1064 wrote to memory of 3584	1064	winver.exe	56
PID 1064 wrote to memory of 2580	1064	winver.exe	43

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2580

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3584
- C:\Users\Admin\AppData\Local\Temp\42955c1bb11810e3875887a14de99d6116603db290bcd23f39d7059608f85b6dN.exe
  "C:\Users\Admin\AppData\Local\Temp\42955c1bb11810e3875887a14de99d6116603db290bcd23f39d7059608f85b6dN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4536
- - 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:1064
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1064 -s 352
      4⤵
      Program crash
      PID:4524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1064 -ip 1064
1⤵
PID:4308

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/1064-6-0x00000000770C2000-0x00000000770C3000-memory.dmp

Filesize
4KB

Download
memory/1064-15-0x00000000014C0000-0x00000000014C6000-memory.dmp

Filesize
24KB

Download
memory/1064-8-0x00007FFFFF390000-0x00007FFFFF585000-memory.dmp

Filesize
2.0MB

Download
memory/1064-5-0x00000000014C0000-0x00000000014C6000-memory.dmp

Filesize
24KB

Download
memory/2580-16-0x0000000000D20000-0x0000000000D26000-memory.dmp

Filesize
24KB

Download
memory/2580-14-0x0000000000D20000-0x0000000000D26000-memory.dmp

Filesize
24KB

Download
memory/3584-3-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/3584-7-0x00007FFFFF42D000-0x00007FFFFF42E000-memory.dmp

Filesize
4KB

Download
memory/3584-2-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/4536-4-0x0000000002230000-0x0000000002C30000-memory.dmp

Filesize
10.0MB

Download
memory/4536-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4536-10-0x0000000002230000-0x0000000002C30000-memory.dmp

Filesize
10.0MB

Download
memory/4536-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4536-1-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download