tinba | 7909fff47394cd118aa6ee157a079d66216e657933f385afae9d0aaff6ea0b31

Analysis

max time kernel
113s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 19:43

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General

Target

7909fff47394cd118aa6ee157a079d66216e657933f385afae9d0aaff6ea0b31.exe
Size

110KB
MD5

4295530629cd45bfad649301ac41f50f
SHA1

09001ba13ca6239f3a39b21b48995a89cd7dc8ed
SHA256

7909fff47394cd118aa6ee157a079d66216e657933f385afae9d0aaff6ea0b31
SHA512

a120906ea54705a88eb554545f45435e450d7f42b660ae755df268e0151b49b925ef2b88b98a19d41501d1ac7dd9441cffe0fe11974f3526dc74bfb62809ef97
SSDEEP

1536:+iLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Ew:+iyvRmDLs/ZrwWJjAqGcRJ2hw

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\7D09BE7B = "C:\\Users\\Admin\\AppData\\Roaming\\7D09BE7B\\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/2708-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1320	4868	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	7909fff47394cd118aa6ee157a079d66216e657933f385afae9d0aaff6ea0b31.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4868	winver.exe
4868	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3516	Explorer.EXE
Token: SeCreatePagefilePrivilege	3516	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4868	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 4868	2708	7909fff47394cd118aa6ee157a079d66216e657933f385afae9d0aaff6ea0b31.exe	83
PID 2708 wrote to memory of 4868	2708	7909fff47394cd118aa6ee157a079d66216e657933f385afae9d0aaff6ea0b31.exe	83
PID 2708 wrote to memory of 4868	2708	7909fff47394cd118aa6ee157a079d66216e657933f385afae9d0aaff6ea0b31.exe	83
PID 2708 wrote to memory of 4868	2708	7909fff47394cd118aa6ee157a079d66216e657933f385afae9d0aaff6ea0b31.exe	83
PID 4868 wrote to memory of 3516	4868	winver.exe	56
PID 4868 wrote to memory of 2500	4868	winver.exe	42

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2500

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3516
- C:\Users\Admin\AppData\Local\Temp\7909fff47394cd118aa6ee157a079d66216e657933f385afae9d0aaff6ea0b31.exe
  "C:\Users\Admin\AppData\Local\Temp\7909fff47394cd118aa6ee157a079d66216e657933f385afae9d0aaff6ea0b31.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2708
- - 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:4868
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4868 -s 352
      4⤵
      Program crash
      PID:1320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4868 -ip 4868
1⤵
PID:3216

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/2500-13-0x00000000007F0000-0x00000000007F6000-memory.dmp

Filesize
24KB

Download
memory/2708-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2708-1-0x00000000006B0000-0x00000000006B1000-memory.dmp

Filesize
4KB

Download
memory/2708-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2708-4-0x00000000022A0000-0x0000000002CA0000-memory.dmp

Filesize
10.0MB

Download
memory/2708-9-0x00000000022A0000-0x0000000002CA0000-memory.dmp

Filesize
10.0MB

Download
memory/3516-2-0x0000000000C00000-0x0000000000C06000-memory.dmp

Filesize
24KB

Download
memory/3516-6-0x00007FFA6AF6D000-0x00007FFA6AF6E000-memory.dmp

Filesize
4KB

Download
memory/3516-3-0x0000000000C00000-0x0000000000C06000-memory.dmp

Filesize
24KB

Download
memory/4868-7-0x00007FFA6AED0000-0x00007FFA6B0C5000-memory.dmp

Filesize
2.0MB

Download
memory/4868-5-0x0000000077E62000-0x0000000077E63000-memory.dmp

Filesize
4KB

Download
memory/4868-11-0x0000000000DA0000-0x0000000000DA6000-memory.dmp

Filesize
24KB

Download
memory/4868-14-0x0000000000DA0000-0x0000000000DA6000-memory.dmp

Filesize
24KB

Download