tinba | 5b4041ea51c8185a418c97d22592565a43a6d9da623eb06a4ea3fbc4c02c71b5

Analysis

max time kernel
108s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-01-2025 20:20

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

5b4041ea51c8185a418c97d22592565a43a6d9da623eb06a4ea3fbc4c02c71b5.exe
Size

45KB
MD5

2107fd5973f12466135189b553e5b14c
SHA1

f0057f829a46444ee2028943b8a7edd0a9bd589b
SHA256

5b4041ea51c8185a418c97d22592565a43a6d9da623eb06a4ea3fbc4c02c71b5
SHA512

6e77935ef3b34630ea3cd3a17df848d7a83329e515c46fb6dce8ba6d14d26cf6ac88df4d48b2ed5d1f54865a2ab78ced94a011b87764c9508791371ee2af8a34
SSDEEP

768:3hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ29:RsWE9N5dFu53dsniQaB/xZ14n7zIF+qB

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\78F07742 = "C:\\Users\\Admin\\AppData\\Roaming\\78F07742\\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/4456-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1684	2896	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	5b4041ea51c8185a418c97d22592565a43a6d9da623eb06a4ea3fbc4c02c71b5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2896	winver.exe
2896	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
2896	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4456 wrote to memory of 2896	4456	5b4041ea51c8185a418c97d22592565a43a6d9da623eb06a4ea3fbc4c02c71b5.exe	83
PID 4456 wrote to memory of 2896	4456	5b4041ea51c8185a418c97d22592565a43a6d9da623eb06a4ea3fbc4c02c71b5.exe	83
PID 4456 wrote to memory of 2896	4456	5b4041ea51c8185a418c97d22592565a43a6d9da623eb06a4ea3fbc4c02c71b5.exe	83
PID 4456 wrote to memory of 2896	4456	5b4041ea51c8185a418c97d22592565a43a6d9da623eb06a4ea3fbc4c02c71b5.exe	83
PID 2896 wrote to memory of 3360	2896	winver.exe	56
PID 2896 wrote to memory of 2620	2896	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\5b4041ea51c8185a418c97d22592565a43a6d9da623eb06a4ea3fbc4c02c71b5.exe
  "C:\Users\Admin\AppData\Local\Temp\5b4041ea51c8185a418c97d22592565a43a6d9da623eb06a4ea3fbc4c02c71b5.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4456
- - 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:2896
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2896 -s 352
      4⤵
      Program crash
      PID:1684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 2896 -ip 2896
1⤵
PID:1528

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

Loading Replay Monitor...

Downloads

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

Filesize
24KB

Download
memory/2896-11-0x0000000000580000-0x0000000000586000-memory.dmp

Filesize
24KB

Download
memory/2896-14-0x0000000000580000-0x0000000000586000-memory.dmp

Filesize
24KB

Download
memory/2896-5-0x0000000077612000-0x0000000077613000-memory.dmp

Filesize
4KB

Download
memory/2896-7-0x00007FF961130000-0x00007FF961325000-memory.dmp

Filesize
2.0MB

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

Filesize
24KB

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

Filesize
24KB

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

Filesize
4KB

Download
memory/4456-4-0x0000000002290000-0x0000000002C90000-memory.dmp

Filesize
10.0MB

Download
memory/4456-9-0x0000000002290000-0x0000000002C90000-memory.dmp

Filesize
10.0MB

Download
memory/4456-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4456-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4456-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download