tinba | 1d3d06774171e2bae0462ae2ce233c577826e001eb84777647fe938f8b90768e

Analysis

max time kernel
111s
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
19-01-2025 22:25

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General

Target

1d3d06774171e2bae0462ae2ce233c577826e001eb84777647fe938f8b90768e.exe
Size

89KB
MD5

e65ae6c86d3fddb8533a02566a40960b
SHA1

a85c13a499f1708038d625ac13ad1c9b68b9ffa0
SHA256

1d3d06774171e2bae0462ae2ce233c577826e001eb84777647fe938f8b90768e
SHA512

7cfb2ad32cde776bd20a59ece082ca8ff5e9fbd7206bb01e3549472403f3767e46ffa514bb49545f32d590b1e5a58c94d773c5b8e8aca178ee081e82ce6431d3
SSDEEP

1536:qz44CpRkr9DXhH/2m//56RrufqjhzrmKIFAV0ED:qzvokZRfN/yFj1qrFAHD

Score

10^/10

tinba banker discovery persistence trojan

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\BE2A5DF5 = "C:\\Users\\Admin\\AppData\\Roaming\\BE2A5DF5\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3968	4268	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	1d3d06774171e2bae0462ae2ce233c577826e001eb84777647fe938f8b90768e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4268	winver.exe
4268	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3540	Explorer.EXE
Token: SeCreatePagefilePrivilege	3540	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4268	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 440 wrote to memory of 4268	440	1d3d06774171e2bae0462ae2ce233c577826e001eb84777647fe938f8b90768e.exe	83
PID 440 wrote to memory of 4268	440	1d3d06774171e2bae0462ae2ce233c577826e001eb84777647fe938f8b90768e.exe	83
PID 440 wrote to memory of 4268	440	1d3d06774171e2bae0462ae2ce233c577826e001eb84777647fe938f8b90768e.exe	83
PID 440 wrote to memory of 4268	440	1d3d06774171e2bae0462ae2ce233c577826e001eb84777647fe938f8b90768e.exe	83
PID 4268 wrote to memory of 3540	4268	winver.exe	56
PID 4268 wrote to memory of 2556	4268	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2556

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3540
- C:\Users\Admin\AppData\Local\Temp\1d3d06774171e2bae0462ae2ce233c577826e001eb84777647fe938f8b90768e.exe
  "C:\Users\Admin\AppData\Local\Temp\1d3d06774171e2bae0462ae2ce233c577826e001eb84777647fe938f8b90768e.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:440
- - 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:4268
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4268 -s 352
      4⤵
      Program crash
      PID:3968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4268 -ip 4268
1⤵
PID:916

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/440-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/440-1-0x0000000000590000-0x0000000000591000-memory.dmp

Filesize
4KB

Download
memory/440-0-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/440-4-0x0000000002320000-0x0000000002D20000-memory.dmp

Filesize
10.0MB

Download
memory/440-9-0x0000000002320000-0x0000000002D20000-memory.dmp

Filesize
10.0MB

Download
memory/2556-13-0x0000000000F80000-0x0000000000F86000-memory.dmp

Filesize
24KB

Download
memory/3540-2-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/3540-6-0x00007FFF1506D000-0x00007FFF1506E000-memory.dmp

Filesize
4KB

Download
memory/3540-3-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/4268-7-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/4268-5-0x0000000077512000-0x0000000077513000-memory.dmp

Filesize
4KB

Download
memory/4268-11-0x0000000002D80000-0x0000000002D86000-memory.dmp

Filesize
24KB

Download
memory/4268-14-0x0000000002D80000-0x0000000002D86000-memory.dmp

Filesize
24KB

Download