tinba | 26ae2d51bd24cf782587e06b1ea12966a10d74277d1160834e1e9ad55772730e

Analysis

max time kernel
95s
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
12-01-2025 22:40

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General

Target

26ae2d51bd24cf782587e06b1ea12966a10d74277d1160834e1e9ad55772730eN.exe
Size

45KB
MD5

b96c651015980611b01b2f2b023db470
SHA1

5cdef32d8233826f3e51c267db41921da1d73b04
SHA256

26ae2d51bd24cf782587e06b1ea12966a10d74277d1160834e1e9ad55772730e
SHA512

63f6a21f439c3692766e352f08dc7ee019542a5986ce43b7ea4bf5d3cfd4a9287bd0f1d004dfc37a33fe40dd8321d89c9c12073298cb40a8f44370828990f189
SSDEEP

768:5hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2H:jsWE9N5dFu53dsniQaB/xZ14n7zIF+qT

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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4AF57030 = "C:\\Users\\Admin\\AppData\\Roaming\\4AF57030\\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/2940-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3580	1492	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	26ae2d51bd24cf782587e06b1ea12966a10d74277d1160834e1e9ad55772730eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1492	winver.exe
1492	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1492	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2940 wrote to memory of 1492	2940	26ae2d51bd24cf782587e06b1ea12966a10d74277d1160834e1e9ad55772730eN.exe	84
PID 2940 wrote to memory of 1492	2940	26ae2d51bd24cf782587e06b1ea12966a10d74277d1160834e1e9ad55772730eN.exe	84
PID 2940 wrote to memory of 1492	2940	26ae2d51bd24cf782587e06b1ea12966a10d74277d1160834e1e9ad55772730eN.exe	84
PID 2940 wrote to memory of 1492	2940	26ae2d51bd24cf782587e06b1ea12966a10d74277d1160834e1e9ad55772730eN.exe	84
PID 1492 wrote to memory of 3472	1492	winver.exe	56
PID 1492 wrote to memory of 3048	1492	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3048

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3472
- C:\Users\Admin\AppData\Local\Temp\26ae2d51bd24cf782587e06b1ea12966a10d74277d1160834e1e9ad55772730eN.exe
  "C:\Users\Admin\AppData\Local\Temp\26ae2d51bd24cf782587e06b1ea12966a10d74277d1160834e1e9ad55772730eN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2940
- - 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:1492
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1492 -s 352
      4⤵
      Program crash
      PID:3580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1492 -ip 1492
1⤵
PID:4976

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/1492-6-0x0000000076FE2000-0x0000000076FE3000-memory.dmp

Filesize
4KB

Download
memory/1492-15-0x00000000028B0000-0x00000000028B6000-memory.dmp

Filesize
24KB

Download
memory/1492-8-0x00007FF8F9E90000-0x00007FF8FA085000-memory.dmp

Filesize
2.0MB

Download
memory/1492-5-0x00000000028B0000-0x00000000028B6000-memory.dmp

Filesize
24KB

Download
memory/2940-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2940-4-0x0000000002320000-0x0000000002D20000-memory.dmp

Filesize
10.0MB

Download
memory/2940-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2940-10-0x0000000002320000-0x0000000002D20000-memory.dmp

Filesize
10.0MB

Download
memory/2940-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/3048-14-0x0000000000970000-0x0000000000976000-memory.dmp

Filesize
24KB

Download
memory/3472-7-0x00007FF8F9F2D000-0x00007FF8F9F2E000-memory.dmp

Filesize
4KB

Download
memory/3472-2-0x0000000000E80000-0x0000000000E86000-memory.dmp

Filesize
24KB

Download
memory/3472-3-0x0000000000E80000-0x0000000000E86000-memory.dmp

Filesize
24KB

Download