tinba | 6d602928e819308b542658b782ca61bac0831aac73e90438eec79f96c080afff

Analysis

max time kernel
118s
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
27-11-2024 18:09

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General

Target

6d602928e819308b542658b782ca61bac0831aac73e90438eec79f96c080afffN.exe
Size

52KB
MD5

ac082c3709337c7a53b40d6e87140480
SHA1

28f48a1905648cb2af84a1d300c6243ad4638f53
SHA256

6d602928e819308b542658b782ca61bac0831aac73e90438eec79f96c080afff
SHA512

e5345928799af87f0acb14512074fcf6858b2f25d09c5b184c135bb89ba31a017ec4721ddfafd84b7675b43e6a6ef9f469072ad51517c8d153513d3b31f92ea3
SSDEEP

768:IvC6RMtZNZUXeb4fXDR2JVDDISp8m7DM3pIg4LqTTUUnGg7O1/l9Jqn:4mZNZUXeQXFhS6sM3prUSGg7O1d9Jq

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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0F63F13C = "C:\\Users\\Admin\\AppData\\Roaming\\0F63F13C\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
8	4940	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	6d602928e819308b542658b782ca61bac0831aac73e90438eec79f96c080afffN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4940	winver.exe
4940	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3464	Explorer.EXE
Token: SeCreatePagefilePrivilege	3464	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4940	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 4940	2040	6d602928e819308b542658b782ca61bac0831aac73e90438eec79f96c080afffN.exe	84
PID 2040 wrote to memory of 4940	2040	6d602928e819308b542658b782ca61bac0831aac73e90438eec79f96c080afffN.exe	84
PID 2040 wrote to memory of 4940	2040	6d602928e819308b542658b782ca61bac0831aac73e90438eec79f96c080afffN.exe	84
PID 2040 wrote to memory of 4940	2040	6d602928e819308b542658b782ca61bac0831aac73e90438eec79f96c080afffN.exe	84
PID 4940 wrote to memory of 3464	4940	winver.exe	56
PID 4940 wrote to memory of 2928	4940	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2928

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3464
- C:\Users\Admin\AppData\Local\Temp\6d602928e819308b542658b782ca61bac0831aac73e90438eec79f96c080afffN.exe
  "C:\Users\Admin\AppData\Local\Temp\6d602928e819308b542658b782ca61bac0831aac73e90438eec79f96c080afffN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2040
- - 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:4940
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4940 -s 352
      4⤵
      Program crash
      PID:8

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4940 -ip 4940
1⤵
PID:4208

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/2040-0-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/2040-3-0x00000000022E0000-0x0000000002CE0000-memory.dmp

Filesize
10.0MB

Download
memory/2040-8-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2040-9-0x00000000022E0000-0x0000000002CE0000-memory.dmp

Filesize
10.0MB

Download
memory/2928-13-0x0000000000D90000-0x0000000000D96000-memory.dmp

Filesize
24KB

Download
memory/3464-1-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/3464-2-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/3464-6-0x00007FFFF4F4D000-0x00007FFFF4F4E000-memory.dmp

Filesize
4KB

Download
memory/4940-5-0x0000000077342000-0x0000000077343000-memory.dmp

Filesize
4KB

Download
memory/4940-4-0x0000000000F30000-0x0000000000F36000-memory.dmp

Filesize
24KB

Download
memory/4940-7-0x00007FFFF4EB0000-0x00007FFFF50A5000-memory.dmp

Filesize
2.0MB

Download
memory/4940-14-0x0000000000F30000-0x0000000000F36000-memory.dmp

Filesize
24KB

Download