tinba | 0be271fb54410507e2bd0d36baadd87587bd28ebb66edb50eb994f8b39f999bf

Analysis

max time kernel
104s
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
23/11/2024, 03:46

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General

Target

0be271fb54410507e2bd0d36baadd87587bd28ebb66edb50eb994f8b39f999bf.exe
Size

89KB
MD5

6421c6e634b72e291523a41d900d44fb
SHA1

8e509ccd6a9b9bdbd2a18e933dab026b9f6fb030
SHA256

0be271fb54410507e2bd0d36baadd87587bd28ebb66edb50eb994f8b39f999bf
SHA512

28c453fb03c1beaa1d1c2eef10028d735075f875d634b9e02e78293cb873542fca9b9c9d9d149107db66eccb331c86711a3347f33126034545f9c4d8f306785e
SSDEEP

1536:4r+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:q+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
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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BAE9131E = "C:\\Users\\Admin\\AppData\\Roaming\\BAE9131E\\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/32-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2156	3820	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	0be271fb54410507e2bd0d36baadd87587bd28ebb66edb50eb994f8b39f999bf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3820	winver.exe
3820	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3372	Explorer.EXE
Token: SeCreatePagefilePrivilege	3372	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3820	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 32 wrote to memory of 3820	32	0be271fb54410507e2bd0d36baadd87587bd28ebb66edb50eb994f8b39f999bf.exe	84
PID 32 wrote to memory of 3820	32	0be271fb54410507e2bd0d36baadd87587bd28ebb66edb50eb994f8b39f999bf.exe	84
PID 32 wrote to memory of 3820	32	0be271fb54410507e2bd0d36baadd87587bd28ebb66edb50eb994f8b39f999bf.exe	84
PID 32 wrote to memory of 3820	32	0be271fb54410507e2bd0d36baadd87587bd28ebb66edb50eb994f8b39f999bf.exe	84
PID 3820 wrote to memory of 3372	3820	winver.exe	56
PID 3820 wrote to memory of 2572	3820	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2572

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3372
- C:\Users\Admin\AppData\Local\Temp\0be271fb54410507e2bd0d36baadd87587bd28ebb66edb50eb994f8b39f999bf.exe
  "C:\Users\Admin\AppData\Local\Temp\0be271fb54410507e2bd0d36baadd87587bd28ebb66edb50eb994f8b39f999bf.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:32
- - 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:3820
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3820 -s 352
      4⤵
      Program crash
      PID:2156

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3820 -ip 3820
1⤵
PID:816

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/32-8-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/32-1-0x0000000000880000-0x0000000000881000-memory.dmp

Filesize
4KB

Download
memory/32-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/32-4-0x0000000002100000-0x0000000002B00000-memory.dmp

Filesize
10.0MB

Download
memory/32-9-0x0000000002100000-0x0000000002B00000-memory.dmp

Filesize
10.0MB

Download
memory/2572-13-0x0000000000A60000-0x0000000000A66000-memory.dmp

Filesize
24KB

Download
memory/3372-2-0x0000000001180000-0x0000000001186000-memory.dmp

Filesize
24KB

Download
memory/3372-6-0x00007FF969F6D000-0x00007FF969F6E000-memory.dmp

Filesize
4KB

Download
memory/3372-3-0x0000000001180000-0x0000000001186000-memory.dmp

Filesize
24KB

Download
memory/3820-7-0x00007FF969ED0000-0x00007FF96A0C5000-memory.dmp

Filesize
2.0MB

Download
memory/3820-5-0x0000000077702000-0x0000000077703000-memory.dmp

Filesize
4KB

Download
memory/3820-11-0x0000000000BF0000-0x0000000000BF6000-memory.dmp

Filesize
24KB

Download
memory/3820-14-0x0000000000BF0000-0x0000000000BF6000-memory.dmp

Filesize
24KB

Download