tinba | 1e0ea2ba16546183a3b94942b0d2dbbc9500bfc034d6e221413372facf383533

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
24-01-2025 08:48

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General

Target

1e0ea2ba16546183a3b94942b0d2dbbc9500bfc034d6e221413372facf383533N.exe
Size

89KB
MD5

e007bc0b543a615b26b795d4e38a9860
SHA1

3b9b1dd3a2092244245f178ad289e2a4b12683d8
SHA256

1e0ea2ba16546183a3b94942b0d2dbbc9500bfc034d6e221413372facf383533
SHA512

6cb14d940a580a17844cdd86c9467da89109f2fbb5f1338b03c58ff1dc2601c704be6ef5c3bc0cd8816f114ed4338b848098d2280bf86b077a5d16543bf6e24d
SSDEEP

1536:I1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7a:c+4MJIkLZJNAQ9Jo9a

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4406545D = "C:\\Users\\Admin\\AppData\\Roaming\\4406545D\\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/2332-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1140	3020	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	1e0ea2ba16546183a3b94942b0d2dbbc9500bfc034d6e221413372facf383533N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3020	winver.exe
3020	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3020	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2332 wrote to memory of 3020	2332	1e0ea2ba16546183a3b94942b0d2dbbc9500bfc034d6e221413372facf383533N.exe	83
PID 2332 wrote to memory of 3020	2332	1e0ea2ba16546183a3b94942b0d2dbbc9500bfc034d6e221413372facf383533N.exe	83
PID 2332 wrote to memory of 3020	2332	1e0ea2ba16546183a3b94942b0d2dbbc9500bfc034d6e221413372facf383533N.exe	83
PID 2332 wrote to memory of 3020	2332	1e0ea2ba16546183a3b94942b0d2dbbc9500bfc034d6e221413372facf383533N.exe	83
PID 3020 wrote to memory of 3432	3020	winver.exe	56
PID 3020 wrote to memory of 2920	3020	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2920

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3432
- C:\Users\Admin\AppData\Local\Temp\1e0ea2ba16546183a3b94942b0d2dbbc9500bfc034d6e221413372facf383533N.exe
  "C:\Users\Admin\AppData\Local\Temp\1e0ea2ba16546183a3b94942b0d2dbbc9500bfc034d6e221413372facf383533N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2332
- - 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:3020
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3020 -s 352
      4⤵
      Program crash
      PID:1140

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3020 -ip 3020
1⤵
PID:1064

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/2332-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2332-1-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/2332-10-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/2332-4-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/2332-9-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2920-14-0x0000000000E30000-0x0000000000E36000-memory.dmp

Filesize
24KB

Download
memory/3020-5-0x00000000777A2000-0x00000000777A3000-memory.dmp

Filesize
4KB

Download
memory/3020-7-0x00007FFDD3910000-0x00007FFDD3B05000-memory.dmp

Filesize
2.0MB

Download
memory/3020-12-0x0000000000C50000-0x0000000000C56000-memory.dmp

Filesize
24KB

Download
memory/3020-15-0x0000000000C50000-0x0000000000C56000-memory.dmp

Filesize
24KB

Download
memory/3432-6-0x00007FFDD39AD000-0x00007FFDD39AE000-memory.dmp

Filesize
4KB

Download
memory/3432-2-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

Download
memory/3432-3-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

Download