tinba | ee8c04cdacccfc70e3ffce87d9101f4fb053d5c679bcc6e97db3ef5128db1f74

Analysis

max time kernel
103s
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
22/09/2024, 01:42

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General

Target

ee8c04cdacccfc70e3ffce87d9101f4fb053d5c679bcc6e97db3ef5128db1f74N.exe
Size

89KB
MD5

b2c942f8adb4a50fbb5800806d3e2e60
SHA1

0f368e13d4c119f374fc06bc060e65ae43275377
SHA256

ee8c04cdacccfc70e3ffce87d9101f4fb053d5c679bcc6e97db3ef5128db1f74
SHA512

7562231bbe84ce08b9d15f48e47395433791b20c449ba5d5cf9cea2ddc27ea1137badf6eb6236be56c46a0b69cf2913792faca69ce3e0cf6b1cafbe5cefe6cfb
SSDEEP

1536:C1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:K+4MJIkLZJNAQ9Jo9e

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

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3996-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

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\7C884A2C = "C:\\Users\\Admin\\AppData\\Roaming\\7C884A2C\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4048	3404	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	ee8c04cdacccfc70e3ffce87d9101f4fb053d5c679bcc6e97db3ef5128db1f74N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3404	winver.exe
3404	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3484	Explorer.EXE
Token: SeCreatePagefilePrivilege	3484	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3404	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3996 wrote to memory of 3404	3996	ee8c04cdacccfc70e3ffce87d9101f4fb053d5c679bcc6e97db3ef5128db1f74N.exe	83
PID 3996 wrote to memory of 3404	3996	ee8c04cdacccfc70e3ffce87d9101f4fb053d5c679bcc6e97db3ef5128db1f74N.exe	83
PID 3996 wrote to memory of 3404	3996	ee8c04cdacccfc70e3ffce87d9101f4fb053d5c679bcc6e97db3ef5128db1f74N.exe	83
PID 3996 wrote to memory of 3404	3996	ee8c04cdacccfc70e3ffce87d9101f4fb053d5c679bcc6e97db3ef5128db1f74N.exe	83
PID 3404 wrote to memory of 3484	3404	winver.exe	56
PID 3404 wrote to memory of 2940	3404	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2940

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3484
- C:\Users\Admin\AppData\Local\Temp\ee8c04cdacccfc70e3ffce87d9101f4fb053d5c679bcc6e97db3ef5128db1f74N.exe
  "C:\Users\Admin\AppData\Local\Temp\ee8c04cdacccfc70e3ffce87d9101f4fb053d5c679bcc6e97db3ef5128db1f74N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3996
- - 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:3404
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3404 -s 352
      4⤵
      Program crash
      PID:4048

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 3404 -ip 3404
1⤵
PID:3440

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/2940-13-0x0000000000AB0000-0x0000000000AB6000-memory.dmp

Filesize
24KB

Download
memory/3404-5-0x0000000076F52000-0x0000000076F53000-memory.dmp

Filesize
4KB

Download
memory/3404-14-0x0000000001F60000-0x0000000001F66000-memory.dmp

Filesize
24KB

Download
memory/3404-11-0x0000000001F60000-0x0000000001F66000-memory.dmp

Filesize
24KB

Download
memory/3404-7-0x00007FFD1D490000-0x00007FFD1D685000-memory.dmp

Filesize
2.0MB

Download
memory/3484-6-0x00007FFD1D52D000-0x00007FFD1D52E000-memory.dmp

Filesize
4KB

Download
memory/3484-2-0x0000000000A00000-0x0000000000A06000-memory.dmp

Filesize
24KB

Download
memory/3484-3-0x0000000000A00000-0x0000000000A06000-memory.dmp

Filesize
24KB

Download
memory/3996-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3996-4-0x00000000021A0000-0x0000000002BA0000-memory.dmp

Filesize
10.0MB

Download
memory/3996-8-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3996-9-0x00000000021A0000-0x0000000002BA0000-memory.dmp

Filesize
10.0MB

Download
memory/3996-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download