tinba | 5ab8992d28276169e390eadb30e78d5eaa3accf422482782d7ea26b5c9be0358

Analysis

max time kernel
113s
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
24-11-2024 22:24

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General

Target

5ab8992d28276169e390eadb30e78d5eaa3accf422482782d7ea26b5c9be0358N.exe
Size

89KB
MD5

406c653fd0cecf00f266fe40d011e430
SHA1

4b5e2697c95c9f4089ac6a791569dbd9cd64dfb6
SHA256

5ab8992d28276169e390eadb30e78d5eaa3accf422482782d7ea26b5c9be0358
SHA512

823e3a264e65bb7309139989f958616410e865d69bdf745a55c1b561aac3e010f679d2db6db7f9fa01265d7514dad2e6cb834026991db8083b29ea6cfd837b3a
SSDEEP

1536:B1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:L+4MJIkLZJNAQ9Jo9e

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\88DD4EAE = "C:\\Users\\Admin\\AppData\\Roaming\\88DD4EAE\\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/4556-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
508	4812	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	5ab8992d28276169e390eadb30e78d5eaa3accf422482782d7ea26b5c9be0358N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4812	winver.exe
4812	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3624	Explorer.EXE
Token: SeCreatePagefilePrivilege	3624	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4812	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4556 wrote to memory of 4812	4556	5ab8992d28276169e390eadb30e78d5eaa3accf422482782d7ea26b5c9be0358N.exe	83
PID 4556 wrote to memory of 4812	4556	5ab8992d28276169e390eadb30e78d5eaa3accf422482782d7ea26b5c9be0358N.exe	83
PID 4556 wrote to memory of 4812	4556	5ab8992d28276169e390eadb30e78d5eaa3accf422482782d7ea26b5c9be0358N.exe	83
PID 4556 wrote to memory of 4812	4556	5ab8992d28276169e390eadb30e78d5eaa3accf422482782d7ea26b5c9be0358N.exe	83
PID 4812 wrote to memory of 3624	4812	winver.exe	56
PID 4812 wrote to memory of 2688	4812	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2688

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3624
- C:\Users\Admin\AppData\Local\Temp\5ab8992d28276169e390eadb30e78d5eaa3accf422482782d7ea26b5c9be0358N.exe
  "C:\Users\Admin\AppData\Local\Temp\5ab8992d28276169e390eadb30e78d5eaa3accf422482782d7ea26b5c9be0358N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4556
- - 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:4812
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4812 -s 352
      4⤵
      Program crash
      PID:508

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4812 -ip 4812
1⤵
PID:2516

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/2688-13-0x0000000000B20000-0x0000000000B26000-memory.dmp

Filesize
24KB

Download
memory/3624-6-0x00007FFC4548D000-0x00007FFC4548E000-memory.dmp

Filesize
4KB

Download
memory/3624-3-0x0000000000C90000-0x0000000000C96000-memory.dmp

Filesize
24KB

Download
memory/3624-2-0x0000000000C90000-0x0000000000C96000-memory.dmp

Filesize
24KB

Download
memory/4556-4-0x0000000002340000-0x0000000002D40000-memory.dmp

Filesize
10.0MB

Download
memory/4556-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4556-8-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4556-9-0x0000000002340000-0x0000000002D40000-memory.dmp

Filesize
10.0MB

Download
memory/4556-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/4812-5-0x0000000077AA2000-0x0000000077AA3000-memory.dmp

Filesize
4KB

Download
memory/4812-7-0x00007FFC453F0000-0x00007FFC455E5000-memory.dmp

Filesize
2.0MB

Download
memory/4812-11-0x0000000001430000-0x0000000001436000-memory.dmp

Filesize
24KB

Download
memory/4812-14-0x0000000001430000-0x0000000001436000-memory.dmp

Filesize
24KB

Download