tinba | 97121bd821cf756769bca0e6a513cebd178c4c37a6f99dc122695089f52caf58

Analysis

max time kernel
106s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-12-2024 01:51

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General

Target

97121bd821cf756769bca0e6a513cebd178c4c37a6f99dc122695089f52caf58N.exe
Size

45KB
MD5

116568eb63da97e595b85f306d21a4e0
SHA1

949e8342f18a9d320446682d6cc5b28710d1317d
SHA256

97121bd821cf756769bca0e6a513cebd178c4c37a6f99dc122695089f52caf58
SHA512

ba73589886f354a65be92529fdff4d3cbf818d19a1f26922c9b28265f75ee01ee2fdad381c2b41b44e33df4d3eb8b3ebd06fe499f7a06ed3b284b9bf9b0af3d4
SSDEEP

768:5hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2N:jsWE9N5dFu53dsniQaB/xZ14n7zIF+qx

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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C8D060EB = "C:\\Users\\Admin\\AppData\\Roaming\\C8D060EB\\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/2584-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3480	4260	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	97121bd821cf756769bca0e6a513cebd178c4c37a6f99dc122695089f52caf58N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4260	winver.exe
4260	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4260	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2584 wrote to memory of 4260	2584	97121bd821cf756769bca0e6a513cebd178c4c37a6f99dc122695089f52caf58N.exe	84
PID 2584 wrote to memory of 4260	2584	97121bd821cf756769bca0e6a513cebd178c4c37a6f99dc122695089f52caf58N.exe	84
PID 2584 wrote to memory of 4260	2584	97121bd821cf756769bca0e6a513cebd178c4c37a6f99dc122695089f52caf58N.exe	84
PID 2584 wrote to memory of 4260	2584	97121bd821cf756769bca0e6a513cebd178c4c37a6f99dc122695089f52caf58N.exe	84
PID 4260 wrote to memory of 3524	4260	winver.exe	56
PID 4260 wrote to memory of 2552	4260	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2552

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3524
- C:\Users\Admin\AppData\Local\Temp\97121bd821cf756769bca0e6a513cebd178c4c37a6f99dc122695089f52caf58N.exe
  "C:\Users\Admin\AppData\Local\Temp\97121bd821cf756769bca0e6a513cebd178c4c37a6f99dc122695089f52caf58N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2584
- - 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:4260
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4260 -s 352
      4⤵
      Program crash
      PID:3480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4260 -ip 4260
1⤵
PID:3008

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/2552-14-0x0000000000760000-0x0000000000766000-memory.dmp

Filesize
24KB

Download
memory/2584-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2584-1-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/2584-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2584-4-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/2584-10-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/3524-2-0x0000000000D60000-0x0000000000D66000-memory.dmp

Filesize
24KB

Download
memory/3524-7-0x00007FF99A24D000-0x00007FF99A24E000-memory.dmp

Filesize
4KB

Download
memory/3524-3-0x0000000000D60000-0x0000000000D66000-memory.dmp

Filesize
24KB

Download
memory/4260-5-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/4260-8-0x00007FF99A1B0000-0x00007FF99A3A5000-memory.dmp

Filesize
2.0MB

Download
memory/4260-6-0x0000000077252000-0x0000000077253000-memory.dmp

Filesize
4KB

Download
memory/4260-15-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download