tinba | 784751d31a501670caccc6a8547a2664d5ff53b50465ef0f22b3badc9040f639

Analysis

max time kernel
109s
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
17-01-2025 09:11

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General

Target

784751d31a501670caccc6a8547a2664d5ff53b50465ef0f22b3badc9040f639.exe
Size

59KB
MD5

5809bc8aa6e995d8a0bfe73babf29efc
SHA1

c4e0b6b5e4d195c6f531c7225eba82e68f13fb3d
SHA256

784751d31a501670caccc6a8547a2664d5ff53b50465ef0f22b3badc9040f639
SHA512

96727d125fd8dc6e0969fd88a51737d93d75f5e83470e29dc282bd41c86547255d974e9034dd7fe2940aca475ff957627a7070ba7463c2a932a49af8f2e28b87
SSDEEP

768:z+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9J/:z+mFM2HXKZgiFP7xIksu+XM5O9J/

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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\24D25AF6 = "C:\\Users\\Admin\\AppData\\Roaming\\24D25AF6\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
836	4456	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	784751d31a501670caccc6a8547a2664d5ff53b50465ef0f22b3badc9040f639.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4456	winver.exe
4456	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3352	Explorer.EXE
Token: SeCreatePagefilePrivilege	3352	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4456	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 780 wrote to memory of 4456	780	784751d31a501670caccc6a8547a2664d5ff53b50465ef0f22b3badc9040f639.exe	83
PID 780 wrote to memory of 4456	780	784751d31a501670caccc6a8547a2664d5ff53b50465ef0f22b3badc9040f639.exe	83
PID 780 wrote to memory of 4456	780	784751d31a501670caccc6a8547a2664d5ff53b50465ef0f22b3badc9040f639.exe	83
PID 780 wrote to memory of 4456	780	784751d31a501670caccc6a8547a2664d5ff53b50465ef0f22b3badc9040f639.exe	83
PID 4456 wrote to memory of 3352	4456	winver.exe	56
PID 4456 wrote to memory of 2804	4456	winver.exe	49

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2804

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3352
- C:\Users\Admin\AppData\Local\Temp\784751d31a501670caccc6a8547a2664d5ff53b50465ef0f22b3badc9040f639.exe
  "C:\Users\Admin\AppData\Local\Temp\784751d31a501670caccc6a8547a2664d5ff53b50465ef0f22b3badc9040f639.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:780
- - 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:4456
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 352
      4⤵
      Program crash
      PID:836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4456 -ip 4456
1⤵
PID:2416

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/780-0-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/780-3-0x0000000002350000-0x0000000002D50000-memory.dmp

Filesize
10.0MB

Download
memory/780-7-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/780-8-0x0000000002350000-0x0000000002D50000-memory.dmp

Filesize
10.0MB

Download
memory/2804-12-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/3352-1-0x0000000000B70000-0x0000000000B76000-memory.dmp

Filesize
24KB

Download
memory/3352-2-0x0000000000B70000-0x0000000000B76000-memory.dmp

Filesize
24KB

Download
memory/3352-5-0x00007FF98830D000-0x00007FF98830E000-memory.dmp

Filesize
4KB

Download
memory/4456-4-0x0000000077EC2000-0x0000000077EC3000-memory.dmp

Filesize
4KB

Download
memory/4456-6-0x00007FF988270000-0x00007FF988465000-memory.dmp

Filesize
2.0MB

Download
memory/4456-10-0x00000000029B0000-0x00000000029B6000-memory.dmp

Filesize
24KB

Download
memory/4456-13-0x00000000029B0000-0x00000000029B6000-memory.dmp

Filesize
24KB

Download