tinba | 2ae4a66482e1e28da32f25cb4f1b717d3b30e32e8e9a8f6d02e3e3e5937427f7

Analysis

max time kernel
106s
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
07/12/2024, 05:02

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General

Target

2ae4a66482e1e28da32f25cb4f1b717d3b30e32e8e9a8f6d02e3e3e5937427f7.exe
Size

45KB
MD5

682a725c1b18f92f8aab61a62d75c5c5
SHA1

66f6dcd44e995826532fd5ca3b8c6cf7645d6b6b
SHA256

2ae4a66482e1e28da32f25cb4f1b717d3b30e32e8e9a8f6d02e3e3e5937427f7
SHA512

acde596517702fdd8a4ab389991d915e3f5c8587756711748d9102a6c502ee2e9c66a69ad22e3b782abb61375f7c5f2d1f639362d18b8151d399cba82eaa7ae3
SSDEEP

768:9hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2l:/sWE9N5dFu53dsniQaB/xZ14n7zIF+qp

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\1662D844 = "C:\\Users\\Admin\\AppData\\Roaming\\1662D844\\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/4764-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1904	5000	WerFault.exe	85

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	2ae4a66482e1e28da32f25cb4f1b717d3b30e32e8e9a8f6d02e3e3e5937427f7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5000	winver.exe
5000	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5000	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4764 wrote to memory of 5000	4764	2ae4a66482e1e28da32f25cb4f1b717d3b30e32e8e9a8f6d02e3e3e5937427f7.exe	85
PID 4764 wrote to memory of 5000	4764	2ae4a66482e1e28da32f25cb4f1b717d3b30e32e8e9a8f6d02e3e3e5937427f7.exe	85
PID 4764 wrote to memory of 5000	4764	2ae4a66482e1e28da32f25cb4f1b717d3b30e32e8e9a8f6d02e3e3e5937427f7.exe	85
PID 4764 wrote to memory of 5000	4764	2ae4a66482e1e28da32f25cb4f1b717d3b30e32e8e9a8f6d02e3e3e5937427f7.exe	85
PID 5000 wrote to memory of 3488	5000	winver.exe	56
PID 5000 wrote to memory of 2536	5000	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2536

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3488
- C:\Users\Admin\AppData\Local\Temp\2ae4a66482e1e28da32f25cb4f1b717d3b30e32e8e9a8f6d02e3e3e5937427f7.exe
  "C:\Users\Admin\AppData\Local\Temp\2ae4a66482e1e28da32f25cb4f1b717d3b30e32e8e9a8f6d02e3e3e5937427f7.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4764
- - 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:5000
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5000 -s 356
      4⤵
      Program crash
      PID:1904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 5000 -ip 5000
1⤵
PID:2248

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/2536-13-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/3488-6-0x00007FFC2CA2D000-0x00007FFC2CA2E000-memory.dmp

Filesize
4KB

Download
memory/3488-3-0x0000000000E90000-0x0000000000E96000-memory.dmp

Filesize
24KB

Download
memory/3488-2-0x0000000000E90000-0x0000000000E96000-memory.dmp

Filesize
24KB

Download
memory/4764-9-0x0000000002230000-0x0000000002C30000-memory.dmp

Filesize
10.0MB

Download
memory/4764-4-0x0000000002230000-0x0000000002C30000-memory.dmp

Filesize
10.0MB

Download
memory/4764-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4764-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4764-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/5000-5-0x00000000774A2000-0x00000000774A3000-memory.dmp

Filesize
4KB

Download
memory/5000-7-0x00007FFC2C990000-0x00007FFC2CB85000-memory.dmp

Filesize
2.0MB

Download
memory/5000-11-0x0000000000B80000-0x0000000000B86000-memory.dmp

Filesize
24KB

Download
memory/5000-14-0x0000000000B80000-0x0000000000B86000-memory.dmp

Filesize
24KB

Download