tinba | 8497217a4acb69200f8e85b53a25a0798903f31ed1226bb28b294a78b9f770b0

Analysis

max time kernel
10s
max time network
18s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
20/12/2023, 16:54

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General

Target
eec5d1c2ebef3d04be05d5d442e33692.exe
Size 160KB
Sample231220-vez2qabea4
SHA256 8497217a4acb69200f8e85b53a25a0798903f31ed1226bb28b294a78b9f770b0
MD5 eec5d1c2ebef3d04be05d5d442e33692
SHA1 7766ab6670fdd95c4f4739855392bc5877df9172
SHA512 257c26435425772381c814579b655830242f0fd41dca66810920dd7309104775d9e694b6a3da3cf644611e6709672ad01441e8b6487799241aedaf3d4562f3e9
SSDEEP 1536:PEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:8Y+4MiIkLZJNAQ9J6v
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

tinba banker persistence trojan upx

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1920-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3EB918F7 = "C:\\Users\\Admin\\AppData\\Roaming\\3EB918F7\\bin.exe"	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2640	winver.exe
2640	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2640	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1920 wrote to memory of 2640	1920	eec5d1c2ebef3d04be05d5d442e33692.exe	88
PID 1920 wrote to memory of 2640	1920	eec5d1c2ebef3d04be05d5d442e33692.exe	88
PID 1920 wrote to memory of 2640	1920	eec5d1c2ebef3d04be05d5d442e33692.exe	88
PID 1920 wrote to memory of 2640	1920	eec5d1c2ebef3d04be05d5d442e33692.exe	88
PID 2640 wrote to memory of 3476	2640	winver.exe	56
PID 2640 wrote to memory of 2540	2640	winver.exe	66
PID 2640 wrote to memory of 2584	2640	winver.exe	65
PID 2640 wrote to memory of 2660	2640	winver.exe	63
PID 2640 wrote to memory of 3476	2640	winver.exe	56
PID 2640 wrote to memory of 3652	2640	winver.exe	55
PID 2640 wrote to memory of 3840	2640	winver.exe	54

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3840

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3652

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3476
- C:\Users\Admin\AppData\Local\Temp\eec5d1c2ebef3d04be05d5d442e33692.exe
  "C:\Users\Admin\AppData\Local\Temp\eec5d1c2ebef3d04be05d5d442e33692.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1920
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2640

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2660

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2584

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2540

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1920-9-0x0000000000400000-0x0000000000428000-memory.dmp

Download

memory/1920-1-0x0000000002170000-0x0000000002171000-memory.dmp

Download

memory/1920-2-0x00000000022C0000-0x0000000002CC0000-memory.dmp

Download

memory/1920-0-0x0000000000400000-0x0000000000428000-memory.dmp

Download

memory/1920-10-0x00000000022C0000-0x0000000002CC0000-memory.dmp

Download

memory/2584-21-0x00000000001F0000-0x00000000001F6000-memory.dmp

Download

memory/2584-15-0x00000000001F0000-0x00000000001F6000-memory.dmp

Download

memory/2640-13-0x0000000002BC0000-0x0000000002BC6000-memory.dmp

Download

memory/2640-7-0x00000000772E2000-0x00000000772E3000-memory.dmp

Download

memory/2640-6-0x0000000002BC0000-0x0000000002BC6000-memory.dmp

Download

memory/2640-4-0x0000000000C90000-0x0000000000CA2000-memory.dmp

Download

memory/2660-16-0x0000000000870000-0x0000000000876000-memory.dmp

Download

memory/3476-3-0x0000000001200000-0x0000000001206000-memory.dmp

Download

memory/3476-8-0x00007FFC6844D000-0x00007FFC6844E000-memory.dmp

Download

memory/3476-11-0x00007FFC685E0000-0x00007FFC685E1000-memory.dmp

Download

memory/3476-5-0x0000000001200000-0x0000000001206000-memory.dmp

Download

memory/3476-17-0x0000000001230000-0x0000000001236000-memory.dmp

Download

memory/3652-18-0x0000000000C60000-0x0000000000C66000-memory.dmp

Download