tinba | 7c14f854ce120199c02fb8356de2fa0d5f15a02f76bd9b3617c82a89bd92ccb7

Analysis

max time kernel
112s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28/09/2024, 13:19

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General

Target

7c14f854ce120199c02fb8356de2fa0d5f15a02f76bd9b3617c82a89bd92ccb7N.exe
Size

100KB
MD5

9ccf47fc7967d683fb02148555ad40a0
SHA1

95bdd04c117357498099773dfefd652f6b7af5f8
SHA256

7c14f854ce120199c02fb8356de2fa0d5f15a02f76bd9b3617c82a89bd92ccb7
SHA512

592e97ebfa308ad54102f213bf8f13b933011d4dd13fe0953bd496d85b845bc7bc2848de45e43ce9714b0c206701a8cf11f2339c7824a235e19ded3869637f35
SSDEEP

1536:UE9QaVQ8v9/ui73aOtH0nrFgUhRwqjhurmKFctV:GaV1/uMKacdhTjAqGctV

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

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-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AC3E5FE5 = "C:\\Users\\Admin\\AppData\\Roaming\\AC3E5FE5\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
436	1484	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	7c14f854ce120199c02fb8356de2fa0d5f15a02f76bd9b3617c82a89bd92ccb7N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1484	winver.exe
1484	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3376	Explorer.EXE
Token: SeCreatePagefilePrivilege	3376	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1484	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 1484	2348	7c14f854ce120199c02fb8356de2fa0d5f15a02f76bd9b3617c82a89bd92ccb7N.exe	83
PID 2348 wrote to memory of 1484	2348	7c14f854ce120199c02fb8356de2fa0d5f15a02f76bd9b3617c82a89bd92ccb7N.exe	83
PID 2348 wrote to memory of 1484	2348	7c14f854ce120199c02fb8356de2fa0d5f15a02f76bd9b3617c82a89bd92ccb7N.exe	83
PID 2348 wrote to memory of 1484	2348	7c14f854ce120199c02fb8356de2fa0d5f15a02f76bd9b3617c82a89bd92ccb7N.exe	83
PID 1484 wrote to memory of 3376	1484	winver.exe	55
PID 1484 wrote to memory of 2640	1484	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:3376
- C:\Users\Admin\AppData\Local\Temp\7c14f854ce120199c02fb8356de2fa0d5f15a02f76bd9b3617c82a89bd92ccb7N.exe
  "C:\Users\Admin\AppData\Local\Temp\7c14f854ce120199c02fb8356de2fa0d5f15a02f76bd9b3617c82a89bd92ccb7N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2348
- - 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:1484
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1484 -s 352
      4⤵
      Program crash
      PID:436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1484 -ip 1484
1⤵
PID:4788

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/1484-5-0x00000000008C0000-0x00000000008C6000-memory.dmp

Filesize
24KB

Download
memory/1484-15-0x00000000008C0000-0x00000000008C6000-memory.dmp

Filesize
24KB

Download
memory/1484-8-0x00007FFE40270000-0x00007FFE40465000-memory.dmp

Filesize
2.0MB

Download
memory/1484-6-0x00000000773B2000-0x00000000773B3000-memory.dmp

Filesize
4KB

Download
memory/2348-9-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2348-4-0x00000000022E0000-0x0000000002CE0000-memory.dmp

Filesize
10.0MB

Download
memory/2348-0-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2348-10-0x00000000022E0000-0x0000000002CE0000-memory.dmp

Filesize
10.0MB

Download
memory/2348-1-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/2640-14-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/3376-7-0x00007FFE4030D000-0x00007FFE4030E000-memory.dmp

Filesize
4KB

Download
memory/3376-2-0x0000000000CC0000-0x0000000000CC6000-memory.dmp

Filesize
24KB

Download
memory/3376-3-0x0000000000CC0000-0x0000000000CC6000-memory.dmp

Filesize
24KB

Download