tinba | 88f6b972ce2f258db112cbb8b32a8d5705467b214dd4b2cded4c82ce734d1879

Analysis

max time kernel
119s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-01-2025 19:24

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

88f6b972ce2f258db112cbb8b32a8d5705467b214dd4b2cded4c82ce734d1879.exe
Size

110KB
MD5

6838b76ebbe2f27fee2adcab41a5ca01
SHA1

d1bcfcbb6ad04d138edc07941adcb3e12d41a29a
SHA256

88f6b972ce2f258db112cbb8b32a8d5705467b214dd4b2cded4c82ce734d1879
SHA512

ccf2e42ae82e3bd1f12165c1dcffc6469b24285c341d7c2d1bd1cb1bf3d531b41901e7a6b2b31be21a9fdb66ed12317971c84afda9b82e6a6486f4d94007fbe1
SSDEEP

1536:QiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:QiyvRmDLs/ZrwWJjAqGcRJ2hg

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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\21DA1979 = "C:\\Users\\Admin\\AppData\\Roaming\\21DA1979\\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/1856-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
516	364	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	88f6b972ce2f258db112cbb8b32a8d5705467b214dd4b2cded4c82ce734d1879.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
364	winver.exe
364	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
364	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 364	1856	88f6b972ce2f258db112cbb8b32a8d5705467b214dd4b2cded4c82ce734d1879.exe	83
PID 1856 wrote to memory of 364	1856	88f6b972ce2f258db112cbb8b32a8d5705467b214dd4b2cded4c82ce734d1879.exe	83
PID 1856 wrote to memory of 364	1856	88f6b972ce2f258db112cbb8b32a8d5705467b214dd4b2cded4c82ce734d1879.exe	83
PID 1856 wrote to memory of 364	1856	88f6b972ce2f258db112cbb8b32a8d5705467b214dd4b2cded4c82ce734d1879.exe	83
PID 364 wrote to memory of 3508	364	winver.exe	56
PID 364 wrote to memory of 2584	364	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2584

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3508
- C:\Users\Admin\AppData\Local\Temp\88f6b972ce2f258db112cbb8b32a8d5705467b214dd4b2cded4c82ce734d1879.exe
  "C:\Users\Admin\AppData\Local\Temp\88f6b972ce2f258db112cbb8b32a8d5705467b214dd4b2cded4c82ce734d1879.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1856
- - 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:364
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 364 -s 352
      4⤵
      Program crash
      PID:516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 364 -ip 364
1⤵
PID:2696

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

Loading Replay Monitor...

Downloads

memory/364-5-0x0000000077342000-0x0000000077343000-memory.dmp

Filesize
4KB

Download
memory/364-14-0x0000000001210000-0x0000000001216000-memory.dmp

Filesize
24KB

Download
memory/364-11-0x0000000001210000-0x0000000001216000-memory.dmp

Filesize
24KB

Download
memory/364-7-0x00007FFAA89F0000-0x00007FFAA8BE5000-memory.dmp

Filesize
2.0MB

Download
memory/1856-9-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/1856-4-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/1856-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1856-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1856-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/2584-13-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/3508-6-0x00007FFAA8A8D000-0x00007FFAA8A8E000-memory.dmp

Filesize
4KB

Download
memory/3508-3-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/3508-2-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download