tinba | 8de3868b96c958ea874d30c8458dbf91695bdc905d83cffd0dd7ac54dce8fb1f

Analysis

max time kernel
116s
max time network
95s
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 07:01

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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\A04BE07B = "C:\\Users\\Admin\\AppData\\Roaming\\A04BE07B\\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/3656-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1452	4024	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8de3868b96c958ea874d30c8458dbf91695bdc905d83cffd0dd7ac54dce8fb1f.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4024	winver.exe
4024	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3392	Explorer.EXE
Token: SeCreatePagefilePrivilege	3392	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4024	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3656 wrote to memory of 4024	3656	8de3868b96c958ea874d30c8458dbf91695bdc905d83cffd0dd7ac54dce8fb1f.exe	83
PID 3656 wrote to memory of 4024	3656	8de3868b96c958ea874d30c8458dbf91695bdc905d83cffd0dd7ac54dce8fb1f.exe	83
PID 3656 wrote to memory of 4024	3656	8de3868b96c958ea874d30c8458dbf91695bdc905d83cffd0dd7ac54dce8fb1f.exe	83
PID 3656 wrote to memory of 4024	3656	8de3868b96c958ea874d30c8458dbf91695bdc905d83cffd0dd7ac54dce8fb1f.exe	83
PID 4024 wrote to memory of 3392	4024	winver.exe	56
PID 4024 wrote to memory of 2316	4024	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2316

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3392
- 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:3656
- - 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:4024
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4024 -s 352
      4⤵
      Program crash
      PID:1452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4024 -ip 4024
1⤵
PID:912

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/2316-14-0x0000000000890000-0x0000000000896000-memory.dmp

Filesize
24KB

Download
memory/3392-7-0x00007FFE7514D000-0x00007FFE7514E000-memory.dmp

Filesize
4KB

Download
memory/3392-3-0x00000000033A0000-0x00000000033A6000-memory.dmp

Filesize
24KB

Download
memory/3392-2-0x00000000033A0000-0x00000000033A6000-memory.dmp

Filesize
24KB

Download
memory/3656-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3656-4-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/3656-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3656-10-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/3656-1-0x0000000000560000-0x0000000000561000-memory.dmp

Filesize
4KB

Download
memory/4024-6-0x00000000774C2000-0x00000000774C3000-memory.dmp

Filesize
4KB

Download
memory/4024-5-0x0000000000920000-0x0000000000926000-memory.dmp

Filesize
24KB

Download
memory/4024-8-0x00007FFE750B0000-0x00007FFE752A5000-memory.dmp

Filesize
2.0MB

Download
memory/4024-15-0x0000000000920000-0x0000000000926000-memory.dmp

Filesize
24KB

Download