tinba | 8cd48756a5bfdae2bd34f0824e81d5ad684b3f9ac8e43f1eb66413701a744b33

Analysis

max time kernel
101s
max time network
111s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2024 10:31

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General

Target

8cd48756a5bfdae2bd34f0824e81d5ad684b3f9ac8e43f1eb66413701a744b33.exe
Size

98KB
MD5

2c9cff8b1c9e7bc5bc742bd267824ecc
SHA1

3dc538d0b999d9c8d7818192caee28e325bf55c2
SHA256

8cd48756a5bfdae2bd34f0824e81d5ad684b3f9ac8e43f1eb66413701a744b33
SHA512

ca7b627ec46bf48570a3928b6fc5d55ff1b9f3a59a8d4a7d63ceb17cae23b3b1fa6e8465684f563c99825aab2963e49bf4bb646a9300d47b6dc6e18d52a9a441
SSDEEP

768:X+6p+OMlgGMCWhfDzU7f7JDgi9I57+sByZ+XsfXpwtG9ipelU9Jl:X+mFM2HXKZgi9Iksu+XM57ipeq9Jl

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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\B7F79526 = "C:\\Users\\Admin\\AppData\\Roaming\\B7F79526\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4628	972	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	8cd48756a5bfdae2bd34f0824e81d5ad684b3f9ac8e43f1eb66413701a744b33.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
972	winver.exe
972	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
972	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4016 wrote to memory of 972	4016	8cd48756a5bfdae2bd34f0824e81d5ad684b3f9ac8e43f1eb66413701a744b33.exe	84
PID 4016 wrote to memory of 972	4016	8cd48756a5bfdae2bd34f0824e81d5ad684b3f9ac8e43f1eb66413701a744b33.exe	84
PID 4016 wrote to memory of 972	4016	8cd48756a5bfdae2bd34f0824e81d5ad684b3f9ac8e43f1eb66413701a744b33.exe	84
PID 4016 wrote to memory of 972	4016	8cd48756a5bfdae2bd34f0824e81d5ad684b3f9ac8e43f1eb66413701a744b33.exe	84
PID 972 wrote to memory of 3428	972	winver.exe	56
PID 972 wrote to memory of 2972	972	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2972

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3428
- C:\Users\Admin\AppData\Local\Temp\8cd48756a5bfdae2bd34f0824e81d5ad684b3f9ac8e43f1eb66413701a744b33.exe
  "C:\Users\Admin\AppData\Local\Temp\8cd48756a5bfdae2bd34f0824e81d5ad684b3f9ac8e43f1eb66413701a744b33.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4016
- - 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:972
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 972 -s 352
      4⤵
      Program crash
      PID:4628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 972 -ip 972
1⤵
PID:4312

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/972-4-0x0000000077A52000-0x0000000077A53000-memory.dmp

Filesize
4KB

Download
memory/972-6-0x00007FFB947B0000-0x00007FFB949A5000-memory.dmp

Filesize
2.0MB

Download
memory/972-10-0x0000000000C20000-0x0000000000C26000-memory.dmp

Filesize
24KB

Download
memory/972-13-0x0000000000C20000-0x0000000000C26000-memory.dmp

Filesize
24KB

Download
memory/2972-12-0x0000000000AD0000-0x0000000000AD6000-memory.dmp

Filesize
24KB

Download
memory/3428-2-0x0000000001300000-0x0000000001306000-memory.dmp

Filesize
24KB

Download
memory/3428-1-0x0000000001300000-0x0000000001306000-memory.dmp

Filesize
24KB

Download
memory/3428-5-0x00007FFB9484D000-0x00007FFB9484E000-memory.dmp

Filesize
4KB

Download
memory/4016-0-0x0000000002020000-0x0000000002021000-memory.dmp

Filesize
4KB

Download
memory/4016-3-0x0000000002100000-0x0000000002B00000-memory.dmp

Filesize
10.0MB

Download
memory/4016-7-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4016-8-0x0000000002100000-0x0000000002B00000-memory.dmp

Filesize
10.0MB

Download