tinba | 6117db50abd6bfbccdd5c70b149c42e052fd3df70700103611a846a6ba049137

Analysis

max time kernel
110s
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
16/01/2025, 11:08

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General

Target

6117db50abd6bfbccdd5c70b149c42e052fd3df70700103611a846a6ba049137.exe
Size

110KB
MD5

a4e9be96c1d7727a40c35e7aa7d065b4
SHA1

77797f1ef8ed56e86600788715496d8055e61bcc
SHA256

6117db50abd6bfbccdd5c70b149c42e052fd3df70700103611a846a6ba049137
SHA512

cfe7438df760276744c6aa262392c3fd3cccc75c2faa32808d133dcf5b7458e20eaeff4d5cb4c8f6332d22935fefc3fdfd4b06772d405cd420232c4489273483
SSDEEP

1536:7iLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:7iyvRmDLs/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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DD54EB99 = "C:\\Users\\Admin\\AppData\\Roaming\\DD54EB99\\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/3976-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1664	4744	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	6117db50abd6bfbccdd5c70b149c42e052fd3df70700103611a846a6ba049137.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4744	winver.exe
4744	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3484	Explorer.EXE
Token: SeCreatePagefilePrivilege	3484	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4744	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3976 wrote to memory of 4744	3976	6117db50abd6bfbccdd5c70b149c42e052fd3df70700103611a846a6ba049137.exe	83
PID 3976 wrote to memory of 4744	3976	6117db50abd6bfbccdd5c70b149c42e052fd3df70700103611a846a6ba049137.exe	83
PID 3976 wrote to memory of 4744	3976	6117db50abd6bfbccdd5c70b149c42e052fd3df70700103611a846a6ba049137.exe	83
PID 3976 wrote to memory of 4744	3976	6117db50abd6bfbccdd5c70b149c42e052fd3df70700103611a846a6ba049137.exe	83
PID 4744 wrote to memory of 3484	4744	winver.exe	56
PID 4744 wrote to memory of 3000	4744	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3000

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3484
- C:\Users\Admin\AppData\Local\Temp\6117db50abd6bfbccdd5c70b149c42e052fd3df70700103611a846a6ba049137.exe
  "C:\Users\Admin\AppData\Local\Temp\6117db50abd6bfbccdd5c70b149c42e052fd3df70700103611a846a6ba049137.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3976
- - 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:4744
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4744 -s 352
      4⤵
      Program crash
      PID:1664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4744 -ip 4744
1⤵
PID:468

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/3000-13-0x0000000000F10000-0x0000000000F16000-memory.dmp

Filesize
24KB

Download
memory/3484-6-0x00007FF8EC36D000-0x00007FF8EC36E000-memory.dmp

Filesize
4KB

Download
memory/3484-3-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/3484-2-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/3976-4-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/3976-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3976-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3976-9-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/3976-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/4744-5-0x0000000077C52000-0x0000000077C53000-memory.dmp

Filesize
4KB

Download
memory/4744-7-0x00007FF8EC2D0000-0x00007FF8EC4C5000-memory.dmp

Filesize
2.0MB

Download
memory/4744-11-0x0000000001110000-0x0000000001116000-memory.dmp

Filesize
24KB

Download
memory/4744-14-0x0000000001110000-0x0000000001116000-memory.dmp

Filesize
24KB

Download