tinba | afab55143f850b7741d78d2a944d4ca3b37d7b6aa51b5e453b01b1d67a5fda35

Analysis

max time kernel
149s
max time network
145s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
10/08/2024, 01:25

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General

Target

afab55143f850b7741d78d2a944d4ca3b37d7b6aa51b5e453b01b1d67a5fda35.exe
Size

106KB
MD5

99ae7f4dbc2503a3ebc751fcc217f625
SHA1

571b47c9a2f72160527fdcd3143b42c9b8aa0735
SHA256

afab55143f850b7741d78d2a944d4ca3b37d7b6aa51b5e453b01b1d67a5fda35
SHA512

8b395a7bdd7db301edd34d7c776db613efc007d164024b523797cae39a5725b02ff0fb6c7fe2a8501c863a6216891be385479b01f3e106caf305235360979620
SSDEEP

768:3+6p+OMlgGXCWhfDzU7f0JDgi9I57+sByZ+XsfXpwtG9ipelU9JA:3+mFM2QXtZgi9Iksu+XM57ipeq9JA

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

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-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\Run\DB86BAC1 = "C:\\Users\\Admin\\AppData\\Roaming\\DB86BAC1\\bin.exe"	winver.exe

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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	afab55143f850b7741d78d2a944d4ca3b37d7b6aa51b5e453b01b1d67a5fda35.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1952	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 1952	2120	afab55143f850b7741d78d2a944d4ca3b37d7b6aa51b5e453b01b1d67a5fda35.exe	31
PID 2120 wrote to memory of 1952	2120	afab55143f850b7741d78d2a944d4ca3b37d7b6aa51b5e453b01b1d67a5fda35.exe	31
PID 2120 wrote to memory of 1952	2120	afab55143f850b7741d78d2a944d4ca3b37d7b6aa51b5e453b01b1d67a5fda35.exe	31
PID 2120 wrote to memory of 1952	2120	afab55143f850b7741d78d2a944d4ca3b37d7b6aa51b5e453b01b1d67a5fda35.exe	31
PID 2120 wrote to memory of 1952	2120	afab55143f850b7741d78d2a944d4ca3b37d7b6aa51b5e453b01b1d67a5fda35.exe	31
PID 1952 wrote to memory of 1204	1952	winver.exe	21
PID 1952 wrote to memory of 1120	1952	winver.exe	19
PID 1952 wrote to memory of 1176	1952	winver.exe	20
PID 1952 wrote to memory of 1204	1952	winver.exe	21
PID 1952 wrote to memory of 1572	1952	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204
- C:\Users\Admin\AppData\Local\Temp\afab55143f850b7741d78d2a944d4ca3b37d7b6aa51b5e453b01b1d67a5fda35.exe
  "C:\Users\Admin\AppData\Local\Temp\afab55143f850b7741d78d2a944d4ca3b37d7b6aa51b5e453b01b1d67a5fda35.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2120
- - 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:1952

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1572

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/1120-25-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/1120-26-0x0000000077371000-0x0000000077372000-memory.dmp

Filesize
4KB

Download
memory/1176-29-0x0000000001F80000-0x0000000001F86000-memory.dmp

Filesize
24KB

Download
memory/1176-19-0x0000000001F80000-0x0000000001F86000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

Filesize
24KB

Download
memory/1204-2-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

Filesize
24KB

Download
memory/1204-10-0x0000000077371000-0x0000000077372000-memory.dmp

Filesize
4KB

Download
memory/1204-4-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

Filesize
24KB

Download
memory/1204-30-0x0000000002D50000-0x0000000002D56000-memory.dmp

Filesize
24KB

Download
memory/1204-21-0x0000000002D50000-0x0000000002D56000-memory.dmp

Filesize
24KB

Download
memory/1572-27-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1572-28-0x0000000077371000-0x0000000077372000-memory.dmp

Filesize
4KB

Download
memory/1572-24-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1952-11-0x0000000077320000-0x00000000774C9000-memory.dmp

Filesize
1.7MB

Download
memory/1952-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1952-7-0x0000000077520000-0x0000000077521000-memory.dmp

Filesize
4KB

Download
memory/1952-8-0x000000007751F000-0x0000000077520000-memory.dmp

Filesize
4KB

Download
memory/1952-9-0x000000007751F000-0x0000000077521000-memory.dmp

Filesize
8KB

Download
memory/1952-35-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/1952-36-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2120-12-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2120-0-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2120-5-0x0000000001C10000-0x0000000002610000-memory.dmp

Filesize
10.0MB

Download
memory/2120-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download