tinba | 8de3868b96c958ea874d30c8458dbf91695bdc905d83cffd0dd7ac54dce8fb1f

Analysis

max time kernel
135s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-12-2024 07:05

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General

Target

8de3868b96c958ea874d30c8458dbf91695bdc905d83cffd0dd7ac54dce8fb1f.exe
Size

45KB
MD5

450dcc9e5fb7494342e0c61bde2d4ff1
SHA1

2445d09612ab5325263bcb4b41534acf0539d026
SHA256

8de3868b96c958ea874d30c8458dbf91695bdc905d83cffd0dd7ac54dce8fb1f
SHA512

e7808216b5f8f65b1cb5f538aeadfd606d1b87e2ed4e34d8518d3c042f3ac791554aa17e6d3fdb72ded0dbdbbdc3c355791f8c6d9335fb986cad4e207832cfe9
SSDEEP

768:9hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2F:/sWE9N5dFu53dsniQaB/xZ14n7zIF+qJ

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1B8AE9F2 = "C:\\Users\\Admin\\AppData\\Roaming\\1B8AE9F2\\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/224-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2836	3944	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	8de3868b96c958ea874d30c8458dbf91695bdc905d83cffd0dd7ac54dce8fb1f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3944	winver.exe
3944	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3944	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 224 wrote to memory of 3944	224	8de3868b96c958ea874d30c8458dbf91695bdc905d83cffd0dd7ac54dce8fb1f.exe	83
PID 224 wrote to memory of 3944	224	8de3868b96c958ea874d30c8458dbf91695bdc905d83cffd0dd7ac54dce8fb1f.exe	83
PID 224 wrote to memory of 3944	224	8de3868b96c958ea874d30c8458dbf91695bdc905d83cffd0dd7ac54dce8fb1f.exe	83
PID 224 wrote to memory of 3944	224	8de3868b96c958ea874d30c8458dbf91695bdc905d83cffd0dd7ac54dce8fb1f.exe	83
PID 3944 wrote to memory of 3432	3944	winver.exe	56
PID 3944 wrote to memory of 2852	3944	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2852

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3432
- C:\Users\Admin\AppData\Local\Temp\8de3868b96c958ea874d30c8458dbf91695bdc905d83cffd0dd7ac54dce8fb1f.exe
  "C:\Users\Admin\AppData\Local\Temp\8de3868b96c958ea874d30c8458dbf91695bdc905d83cffd0dd7ac54dce8fb1f.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:224
- - 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:3944
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3944 -s 352
      4⤵
      Program crash
      PID:2836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3944 -ip 3944
1⤵
PID:3644

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/224-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/224-1-0x0000000000560000-0x0000000000561000-memory.dmp

Filesize
4KB

Download
memory/224-4-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/224-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/224-9-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/2852-13-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/3432-3-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/3432-6-0x00007FFCE830D000-0x00007FFCE830E000-memory.dmp

Filesize
4KB

Download
memory/3432-2-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/3944-7-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

Filesize
2.0MB

Download
memory/3944-5-0x0000000077112000-0x0000000077113000-memory.dmp

Filesize
4KB

Download
memory/3944-11-0x0000000000B20000-0x0000000000B26000-memory.dmp

Filesize
24KB

Download
memory/3944-14-0x0000000000B20000-0x0000000000B26000-memory.dmp

Filesize
24KB

Download