tinba | ed02cb9e1685ac20241c4136ec13613c89449d7f966712a5904d0938df518915

Analysis

max time kernel
112s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-01-2025 09:28

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General

Target

ed02cb9e1685ac20241c4136ec13613c89449d7f966712a5904d0938df518915N.exe
Size

89KB
MD5

e2ea0e153f75e569aa230a574b3fb470
SHA1

5fded51f0c7185684a2ee2626280175cf3b843c0
SHA256

ed02cb9e1685ac20241c4136ec13613c89449d7f966712a5904d0938df518915
SHA512

87ea527f6ddaf8cdc2973407050ca5240de6c5368cc08280af7e0416a7bb65de7536d3b4dafc5d2e8ff8d16955437495c9cd95224e95d2625c67c75af6033ef5
SSDEEP

1536:Wz44CpRkr9DXhH/2mt/56RrufqjhzrmKIFAg8K:WzvokZRff/yFj1qrFAg

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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BE9070B4 = "C:\\Users\\Admin\\AppData\\Roaming\\BE9070B4\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2960	2380	WerFault.exe	86

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	ed02cb9e1685ac20241c4136ec13613c89449d7f966712a5904d0938df518915N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2380	winver.exe
2380	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2380	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3240 wrote to memory of 2380	3240	ed02cb9e1685ac20241c4136ec13613c89449d7f966712a5904d0938df518915N.exe	86
PID 3240 wrote to memory of 2380	3240	ed02cb9e1685ac20241c4136ec13613c89449d7f966712a5904d0938df518915N.exe	86
PID 3240 wrote to memory of 2380	3240	ed02cb9e1685ac20241c4136ec13613c89449d7f966712a5904d0938df518915N.exe	86
PID 3240 wrote to memory of 2380	3240	ed02cb9e1685ac20241c4136ec13613c89449d7f966712a5904d0938df518915N.exe	86
PID 2380 wrote to memory of 3528	2380	winver.exe	56
PID 2380 wrote to memory of 2640	2380	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2640

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3528
- C:\Users\Admin\AppData\Local\Temp\ed02cb9e1685ac20241c4136ec13613c89449d7f966712a5904d0938df518915N.exe
  "C:\Users\Admin\AppData\Local\Temp\ed02cb9e1685ac20241c4136ec13613c89449d7f966712a5904d0938df518915N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3240
- - 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:2380
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2380 -s 352
      4⤵
      Program crash
      PID:2960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2380 -ip 2380
1⤵
PID:4448

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/2380-5-0x0000000077432000-0x0000000077433000-memory.dmp

Filesize
4KB

Download
memory/2380-14-0x0000000001330000-0x0000000001336000-memory.dmp

Filesize
24KB

Download
memory/2380-11-0x0000000001330000-0x0000000001336000-memory.dmp

Filesize
24KB

Download
memory/2380-7-0x00007FFAB8B90000-0x00007FFAB8D85000-memory.dmp

Filesize
2.0MB

Download
memory/2640-13-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/3240-9-0x0000000002390000-0x0000000002D90000-memory.dmp

Filesize
10.0MB

Download
memory/3240-4-0x0000000002390000-0x0000000002D90000-memory.dmp

Filesize
10.0MB

Download
memory/3240-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3240-0-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3240-1-0x0000000000500000-0x0000000000501000-memory.dmp

Filesize
4KB

Download
memory/3528-6-0x00007FFAB8C2D000-0x00007FFAB8C2E000-memory.dmp

Filesize
4KB

Download
memory/3528-2-0x0000000000D70000-0x0000000000D76000-memory.dmp

Filesize
24KB

Download
memory/3528-3-0x0000000000D70000-0x0000000000D76000-memory.dmp

Filesize
24KB

Download