tinba | 09ed6a5e48083a972d46fe32a42f340f38ca5956a9f44ba1459ff55be6fe497c

Analysis

max time kernel
118s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-12-2024 02:30

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General

Target

09ed6a5e48083a972d46fe32a42f340f38ca5956a9f44ba1459ff55be6fe497cN.exe
Size

67KB
MD5

81cebedc9d2b913510423c2dbd618940
SHA1

83f8800364bbc2f001150be43b7a156ef6eb8898
SHA256

09ed6a5e48083a972d46fe32a42f340f38ca5956a9f44ba1459ff55be6fe497c
SHA512

9a023f40794a7a7e0cda9bec56a25b6b573c216b1fa6dab139ba400157e84a187c39641bb67fe94c6eb6071b741450f1afcd3b2796a9d63348d346276cc0960a
SSDEEP

768:8V0sdE7t4RZeEUOwIK2TG5aPvnnbr368T3u5TfU+NLFaYCCGacz+CZc9JT:8Vc8eATK2TQaCGe5bzNL0RNG9JT

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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2F86C90A = "C:\\Users\\Admin\\AppData\\Roaming\\2F86C90A\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4996	3660	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	09ed6a5e48083a972d46fe32a42f340f38ca5956a9f44ba1459ff55be6fe497cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3660	winver.exe
3660	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3660	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1344 wrote to memory of 3660	1344	09ed6a5e48083a972d46fe32a42f340f38ca5956a9f44ba1459ff55be6fe497cN.exe	84
PID 1344 wrote to memory of 3660	1344	09ed6a5e48083a972d46fe32a42f340f38ca5956a9f44ba1459ff55be6fe497cN.exe	84
PID 1344 wrote to memory of 3660	1344	09ed6a5e48083a972d46fe32a42f340f38ca5956a9f44ba1459ff55be6fe497cN.exe	84
PID 1344 wrote to memory of 3660	1344	09ed6a5e48083a972d46fe32a42f340f38ca5956a9f44ba1459ff55be6fe497cN.exe	84
PID 3660 wrote to memory of 3456	3660	winver.exe	56
PID 3660 wrote to memory of 2784	3660	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2784

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3456
- C:\Users\Admin\AppData\Local\Temp\09ed6a5e48083a972d46fe32a42f340f38ca5956a9f44ba1459ff55be6fe497cN.exe
  "C:\Users\Admin\AppData\Local\Temp\09ed6a5e48083a972d46fe32a42f340f38ca5956a9f44ba1459ff55be6fe497cN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1344
- - 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:3660
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3660 -s 352
      4⤵
      Program crash
      PID:4996

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 3660 -ip 3660
1⤵
PID:1104

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/1344-0-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/1344-3-0x00000000026C0000-0x00000000030C0000-memory.dmp

Filesize
10.0MB

Download
memory/1344-7-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1344-8-0x00000000026C0000-0x00000000030C0000-memory.dmp

Filesize
10.0MB

Download
memory/2784-12-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/3456-1-0x0000000000AC0000-0x0000000000AC6000-memory.dmp

Filesize
24KB

Download
memory/3456-2-0x0000000000AC0000-0x0000000000AC6000-memory.dmp

Filesize
24KB

Download
memory/3456-5-0x00007FFC073ED000-0x00007FFC073EE000-memory.dmp

Filesize
4KB

Download
memory/3660-4-0x0000000076FC2000-0x0000000076FC3000-memory.dmp

Filesize
4KB

Download
memory/3660-6-0x00007FFC07350000-0x00007FFC07545000-memory.dmp

Filesize
2.0MB

Download
memory/3660-10-0x0000000001170000-0x0000000001176000-memory.dmp

Filesize
24KB

Download
memory/3660-13-0x0000000001170000-0x0000000001176000-memory.dmp

Filesize
24KB

Download