tinba | b4a6dab010a23911face31a6edbf4482c8ff9f7dbd69eed3455ab59b731ceee8

Analysis

max time kernel
112s
max time network
92s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2024 08:44

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b4a6dab010a23911face31a6edbf4482c8ff9f7dbd69eed3455ab59b731ceee8.exe
Size

45KB
MD5

b8da10f35dd98287ab3b89999b5534ac
SHA1

84775d389779a0592da03ab7df30f7f9720f43f8
SHA256

b4a6dab010a23911face31a6edbf4482c8ff9f7dbd69eed3455ab59b731ceee8
SHA512

4c3d4d55d19b55ce47a5efc04defd76923b12025a703156639b15d6a26a62c4485c88efd200fa95313ed52a569ee633290b623708270d6ca70101563aa9f69d6
SSDEEP

768:hhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2H:bsWE9N5dFu53dsniQaB/xZ14n7zIF+qT

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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\30479EEB = "C:\\Users\\Admin\\AppData\\Roaming\\30479EEB\\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/5032-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
544	2464	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	b4a6dab010a23911face31a6edbf4482c8ff9f7dbd69eed3455ab59b731ceee8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2464	winver.exe
2464	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2464	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5032 wrote to memory of 2464	5032	b4a6dab010a23911face31a6edbf4482c8ff9f7dbd69eed3455ab59b731ceee8.exe	84
PID 5032 wrote to memory of 2464	5032	b4a6dab010a23911face31a6edbf4482c8ff9f7dbd69eed3455ab59b731ceee8.exe	84
PID 5032 wrote to memory of 2464	5032	b4a6dab010a23911face31a6edbf4482c8ff9f7dbd69eed3455ab59b731ceee8.exe	84
PID 5032 wrote to memory of 2464	5032	b4a6dab010a23911face31a6edbf4482c8ff9f7dbd69eed3455ab59b731ceee8.exe	84
PID 2464 wrote to memory of 3452	2464	winver.exe	56
PID 2464 wrote to memory of 2668	2464	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2668

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3452
- C:\Users\Admin\AppData\Local\Temp\b4a6dab010a23911face31a6edbf4482c8ff9f7dbd69eed3455ab59b731ceee8.exe
  "C:\Users\Admin\AppData\Local\Temp\b4a6dab010a23911face31a6edbf4482c8ff9f7dbd69eed3455ab59b731ceee8.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5032
- - 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:2464
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 352
      4⤵
      Program crash
      PID:544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2464 -ip 2464
1⤵
PID:3132

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/2464-5-0x0000000077652000-0x0000000077653000-memory.dmp

Filesize
4KB

Download
memory/2464-15-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download
memory/2464-12-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download
memory/2464-7-0x00007FF9FC910000-0x00007FF9FCB05000-memory.dmp

Filesize
2.0MB

Download
memory/2668-14-0x0000000000CE0000-0x0000000000CE6000-memory.dmp

Filesize
24KB

Download
memory/3452-3-0x0000000001250000-0x0000000001256000-memory.dmp

Filesize
24KB

Download
memory/3452-6-0x00007FF9FC9AD000-0x00007FF9FC9AE000-memory.dmp

Filesize
4KB

Download
memory/3452-2-0x0000000001250000-0x0000000001256000-memory.dmp

Filesize
24KB

Download
memory/5032-4-0x0000000002360000-0x0000000002D60000-memory.dmp

Filesize
10.0MB

Download
memory/5032-10-0x0000000002360000-0x0000000002D60000-memory.dmp

Filesize
10.0MB

Download
memory/5032-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/5032-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/5032-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download