tinba | 1bb50e315211c0cb82c9ae5e8f8219591c6270bebcffce97cd7c68bf7d41bd53

Analysis

max time kernel
111s
max time network
97s
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 19:24

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General

Target

1bb50e315211c0cb82c9ae5e8f8219591c6270bebcffce97cd7c68bf7d41bd53N.exe
Size

59KB
MD5

6049861aeb44854a97c4ff3d5fd5f770
SHA1

16fa23c2c84faba02c0e938a9c701015234bfd01
SHA256

1bb50e315211c0cb82c9ae5e8f8219591c6270bebcffce97cd7c68bf7d41bd53
SHA512

54e5f48edff754e7e541f1804d3de01580f478e57a66368b696cc1c321e8ce47bc187b92845b5826a7cd96697f389984780a4445fab35db1bea0ca22bd20fed7
SSDEEP

768:s+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9J/:s+mFM2HXKZgiFP7xIksu+XM5O9J/

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\E04D657F = "C:\\Users\\Admin\\AppData\\Roaming\\E04D657F\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1916	2812	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	1bb50e315211c0cb82c9ae5e8f8219591c6270bebcffce97cd7c68bf7d41bd53N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2812	winver.exe
2812	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2812	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3260 wrote to memory of 2812	3260	1bb50e315211c0cb82c9ae5e8f8219591c6270bebcffce97cd7c68bf7d41bd53N.exe	84
PID 3260 wrote to memory of 2812	3260	1bb50e315211c0cb82c9ae5e8f8219591c6270bebcffce97cd7c68bf7d41bd53N.exe	84
PID 3260 wrote to memory of 2812	3260	1bb50e315211c0cb82c9ae5e8f8219591c6270bebcffce97cd7c68bf7d41bd53N.exe	84
PID 3260 wrote to memory of 2812	3260	1bb50e315211c0cb82c9ae5e8f8219591c6270bebcffce97cd7c68bf7d41bd53N.exe	84
PID 2812 wrote to memory of 3520	2812	winver.exe	56
PID 2812 wrote to memory of 2544	2812	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2544

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3520
- C:\Users\Admin\AppData\Local\Temp\1bb50e315211c0cb82c9ae5e8f8219591c6270bebcffce97cd7c68bf7d41bd53N.exe
  "C:\Users\Admin\AppData\Local\Temp\1bb50e315211c0cb82c9ae5e8f8219591c6270bebcffce97cd7c68bf7d41bd53N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3260
- - 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:2812
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2812 -s 356
      4⤵
      Program crash
      PID:1916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2812 -ip 2812
1⤵
PID:3760

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/2544-12-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2812-4-0x0000000077B12000-0x0000000077B13000-memory.dmp

Filesize
4KB

Download
memory/2812-6-0x00007FFE2ED30000-0x00007FFE2EF25000-memory.dmp

Filesize
2.0MB

Download
memory/2812-10-0x0000000002BC0000-0x0000000002BC6000-memory.dmp

Filesize
24KB

Download
memory/2812-13-0x0000000002BC0000-0x0000000002BC6000-memory.dmp

Filesize
24KB

Download
memory/3260-0-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/3260-3-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/3260-7-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3260-8-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/3520-2-0x0000000002320000-0x0000000002326000-memory.dmp

Filesize
24KB

Download
memory/3520-1-0x0000000002320000-0x0000000002326000-memory.dmp

Filesize
24KB

Download
memory/3520-5-0x00007FFE2EDCD000-0x00007FFE2EDCE000-memory.dmp

Filesize
4KB

Download