tinba | 46c5d63508cd0fd45986b60c15e9c98d3ec3082645c29a5f270ef8a3fe2880d4

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-10-2024 12:41

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General

Target

46c5d63508cd0fd45986b60c15e9c98d3ec3082645c29a5f270ef8a3fe2880d4N.exe
Size

98KB
MD5

ebffc1a7adee64ecc2a4e447228ac0e0
SHA1

a2e26f5cef6a19344c7b46a321f05e5385746b77
SHA256

46c5d63508cd0fd45986b60c15e9c98d3ec3082645c29a5f270ef8a3fe2880d4
SHA512

08088e144919590d9b37dd5b486a92b01aaeb290854298d9567556519610941ee96660ed01760bea8776b6a7e0f395e604277e7d8cb594ce9ddc4d6b096b567d
SSDEEP

768:8+6p+OMlgGMCWhfDzU7f7JDgi9I57+sByZ+XsfXpwtG9ipelU9JF:8+mFM2HXKZgi9Iksu+XM57ipeq9JF

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\51297F81 = "C:\\Users\\Admin\\AppData\\Roaming\\51297F81\\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	46c5d63508cd0fd45986b60c15e9c98d3ec3082645c29a5f270ef8a3fe2880d4N.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2480	winver.exe
1268	Explorer.EXE
1268	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1268	Explorer.EXE
1268	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 2480	2256	46c5d63508cd0fd45986b60c15e9c98d3ec3082645c29a5f270ef8a3fe2880d4N.exe	32
PID 2256 wrote to memory of 2480	2256	46c5d63508cd0fd45986b60c15e9c98d3ec3082645c29a5f270ef8a3fe2880d4N.exe	32
PID 2256 wrote to memory of 2480	2256	46c5d63508cd0fd45986b60c15e9c98d3ec3082645c29a5f270ef8a3fe2880d4N.exe	32
PID 2256 wrote to memory of 2480	2256	46c5d63508cd0fd45986b60c15e9c98d3ec3082645c29a5f270ef8a3fe2880d4N.exe	32
PID 2256 wrote to memory of 2480	2256	46c5d63508cd0fd45986b60c15e9c98d3ec3082645c29a5f270ef8a3fe2880d4N.exe	32
PID 2480 wrote to memory of 1268	2480	winver.exe	21
PID 2480 wrote to memory of 1128	2480	winver.exe	19
PID 2480 wrote to memory of 1212	2480	winver.exe	20
PID 2480 wrote to memory of 1268	2480	winver.exe	21
PID 2480 wrote to memory of 628	2480	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1128

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1212

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1268
- C:\Users\Admin\AppData\Local\Temp\46c5d63508cd0fd45986b60c15e9c98d3ec3082645c29a5f270ef8a3fe2880d4N.exe
  "C:\Users\Admin\AppData\Local\Temp\46c5d63508cd0fd45986b60c15e9c98d3ec3082645c29a5f270ef8a3fe2880d4N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2256
- - 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:2480

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:628

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/628-23-0x0000000001E00000-0x0000000001E06000-memory.dmp

Filesize
24KB

Download
memory/628-25-0x0000000077291000-0x0000000077292000-memory.dmp

Filesize
4KB

Download
memory/628-24-0x0000000001E00000-0x0000000001E06000-memory.dmp

Filesize
24KB

Download
memory/1128-34-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1128-26-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1128-27-0x0000000077291000-0x0000000077292000-memory.dmp

Filesize
4KB

Download
memory/1212-29-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1212-19-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1268-1-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/1268-9-0x0000000077291000-0x0000000077292000-memory.dmp

Filesize
4KB

Download
memory/1268-21-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1268-30-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1268-3-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/1268-2-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/2256-12-0x0000000001C50000-0x0000000002650000-memory.dmp

Filesize
10.0MB

Download
memory/2256-11-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2256-4-0x0000000001C50000-0x0000000002650000-memory.dmp

Filesize
10.0MB

Download
memory/2256-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2480-28-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2480-8-0x000000007743F000-0x0000000077441000-memory.dmp

Filesize
8KB

Download
memory/2480-10-0x0000000077240000-0x00000000773E9000-memory.dmp

Filesize
1.7MB

Download
memory/2480-5-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2480-6-0x0000000077440000-0x0000000077441000-memory.dmp

Filesize
4KB

Download
memory/2480-7-0x000000007743F000-0x0000000077440000-memory.dmp

Filesize
4KB

Download
memory/2480-35-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download