tinba | 6ee9dea595cbb0e6b2032b8777bf257c874cbd808cc12c7c441c6a20ccc2ce52

Analysis

max time kernel
110s
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
11-12-2024 01:32

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General

Target

6ee9dea595cbb0e6b2032b8777bf257c874cbd808cc12c7c441c6a20ccc2ce52.exe
Size

34KB
MD5

32827be52bd09f80744632fb8076182a
SHA1

e295dc575674d5c90a7cd670973a598155976ae5
SHA256

6ee9dea595cbb0e6b2032b8777bf257c874cbd808cc12c7c441c6a20ccc2ce52
SHA512

15dd9da7a02ab2c1155dff07dcc9531d1ea04b55930ae860a60f9047a6f4cca05743f6b3bb739237c3a28467ace97fd12f4a9e3a29ae9f6ca8200fc2c1eb1da6
SSDEEP

768:8p22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9JG:8pYoX58z1uirL98xMWnT0OQ9JG

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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\283090EA = "C:\\Users\\Admin\\AppData\\Roaming\\283090EA\\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/3636-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2252	2448	WerFault.exe	84

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	6ee9dea595cbb0e6b2032b8777bf257c874cbd808cc12c7c441c6a20ccc2ce52.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2448	winver.exe
2448	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2448	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3636 wrote to memory of 2448	3636	6ee9dea595cbb0e6b2032b8777bf257c874cbd808cc12c7c441c6a20ccc2ce52.exe	84
PID 3636 wrote to memory of 2448	3636	6ee9dea595cbb0e6b2032b8777bf257c874cbd808cc12c7c441c6a20ccc2ce52.exe	84
PID 3636 wrote to memory of 2448	3636	6ee9dea595cbb0e6b2032b8777bf257c874cbd808cc12c7c441c6a20ccc2ce52.exe	84
PID 3636 wrote to memory of 2448	3636	6ee9dea595cbb0e6b2032b8777bf257c874cbd808cc12c7c441c6a20ccc2ce52.exe	84
PID 2448 wrote to memory of 3472	2448	winver.exe	56
PID 2448 wrote to memory of 3048	2448	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3048

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3472
- C:\Users\Admin\AppData\Local\Temp\6ee9dea595cbb0e6b2032b8777bf257c874cbd808cc12c7c441c6a20ccc2ce52.exe
  "C:\Users\Admin\AppData\Local\Temp\6ee9dea595cbb0e6b2032b8777bf257c874cbd808cc12c7c441c6a20ccc2ce52.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3636
- - 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:2448
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 352
      4⤵
      Program crash
      PID:2252

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 2448 -ip 2448
1⤵
PID:704

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/2448-11-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/2448-14-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/2448-5-0x0000000076FE2000-0x0000000076FE3000-memory.dmp

Filesize
4KB

Download
memory/2448-7-0x00007FF8F9E90000-0x00007FF8FA085000-memory.dmp

Filesize
2.0MB

Download
memory/3048-13-0x0000000000970000-0x0000000000976000-memory.dmp

Filesize
24KB

Download
memory/3472-3-0x0000000000E80000-0x0000000000E86000-memory.dmp

Filesize
24KB

Download
memory/3472-2-0x0000000000E80000-0x0000000000E86000-memory.dmp

Filesize
24KB

Download
memory/3472-6-0x00007FF8F9F2D000-0x00007FF8F9F2E000-memory.dmp

Filesize
4KB

Download
memory/3636-4-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download
memory/3636-9-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download
memory/3636-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3636-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3636-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download