tinba | 8f735214ef7ec49eb83f45a9f8a67d4e0f4aac706af7e302fd4ecfa06f402081

Analysis

max time kernel
115s
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
31-12-2024 02:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8f735214ef7ec49eb83f45a9f8a67d4e0f4aac706af7e302fd4ecfa06f402081.exe
Size

45KB
MD5

8f549cc38189250b05714e7b5210b054
SHA1

67bf6cbc6baf50b9c80c00dd0a857d7ff4b2ae5e
SHA256

8f735214ef7ec49eb83f45a9f8a67d4e0f4aac706af7e302fd4ecfa06f402081
SHA512

2339803a18db4f04463472b4321413e64fb984e545c81d43ad04cdbf1fe68d3c8b2fb732df729f4f825a9aa6ad8e7ac98d203c1decb0084fce2c9649b9057648
SSDEEP

768:jhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ23:1sWE9N5dFu53dsniQaB/xZ14n7zIF+qj

Score

10^/10

tinba banker discovery persistence trojan upx

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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\B5C6E49E = "C:\\Users\\Admin\\AppData\\Roaming\\B5C6E49E\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1396-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3948	4484	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	8f735214ef7ec49eb83f45a9f8a67d4e0f4aac706af7e302fd4ecfa06f402081.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4484	winver.exe
4484	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3532	Explorer.EXE
Token: SeCreatePagefilePrivilege	3532	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4484	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1396 wrote to memory of 4484	1396	8f735214ef7ec49eb83f45a9f8a67d4e0f4aac706af7e302fd4ecfa06f402081.exe	83
PID 1396 wrote to memory of 4484	1396	8f735214ef7ec49eb83f45a9f8a67d4e0f4aac706af7e302fd4ecfa06f402081.exe	83
PID 1396 wrote to memory of 4484	1396	8f735214ef7ec49eb83f45a9f8a67d4e0f4aac706af7e302fd4ecfa06f402081.exe	83
PID 1396 wrote to memory of 4484	1396	8f735214ef7ec49eb83f45a9f8a67d4e0f4aac706af7e302fd4ecfa06f402081.exe	83
PID 4484 wrote to memory of 3532	4484	winver.exe	56
PID 4484 wrote to memory of 2512	4484	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2512

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3532
- C:\Users\Admin\AppData\Local\Temp\8f735214ef7ec49eb83f45a9f8a67d4e0f4aac706af7e302fd4ecfa06f402081.exe
  "C:\Users\Admin\AppData\Local\Temp\8f735214ef7ec49eb83f45a9f8a67d4e0f4aac706af7e302fd4ecfa06f402081.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1396
- - 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:4484
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4484 -s 356
      4⤵
      Program crash
      PID:3948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4484 -ip 4484
1⤵
PID:1312

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

Loading Replay Monitor...

Downloads

memory/1396-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1396-1-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/1396-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1396-4-0x0000000002110000-0x0000000002B10000-memory.dmp

Filesize
10.0MB

Download
memory/1396-9-0x0000000002110000-0x0000000002B10000-memory.dmp

Filesize
10.0MB

Download
memory/2512-13-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/3532-3-0x0000000001460000-0x0000000001466000-memory.dmp

Filesize
24KB

Download
memory/3532-6-0x00007FF933A0D000-0x00007FF933A0E000-memory.dmp

Filesize
4KB

Download
memory/3532-2-0x0000000001460000-0x0000000001466000-memory.dmp

Filesize
24KB

Download
memory/4484-7-0x00007FF933970000-0x00007FF933B65000-memory.dmp

Filesize
2.0MB

Download
memory/4484-5-0x00000000774D2000-0x00000000774D3000-memory.dmp

Filesize
4KB

Download
memory/4484-11-0x0000000000F90000-0x0000000000F96000-memory.dmp

Filesize
24KB

Download
memory/4484-14-0x0000000000F90000-0x0000000000F96000-memory.dmp

Filesize
24KB

Download