tinba | ea68617f0ce18491dee0783f1c91da8f77555013b1496e5ff71ad6ab7759534a

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30-09-2024 03:53

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General

Target

ea68617f0ce18491dee0783f1c91da8f77555013b1496e5ff71ad6ab7759534a.exe
Size

225KB
MD5

81e130d3b029e1c0a6c3e19ac5dedf48
SHA1

01424059a434bffa1e048dcea443f27018da3076
SHA256

ea68617f0ce18491dee0783f1c91da8f77555013b1496e5ff71ad6ab7759534a
SHA512

9be8556bde4e0fd274958be5a4ccee67d14dfea8307c54d184ca6c4ce4936f1d3789836e6e00773c5f56f65279441562d9a76ce03dd8cf0c5dded7236cfd6659
SSDEEP

6144:0A2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:0ATuTAnKGwUAW3ycQqgf

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\8C20A710 = "C:\\Users\\Admin\\AppData\\Roaming\\8C20A710\\bin.exe"	winver.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	ea68617f0ce18491dee0783f1c91da8f77555013b1496e5ff71ad6ab7759534a.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2744	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 2744	2412	ea68617f0ce18491dee0783f1c91da8f77555013b1496e5ff71ad6ab7759534a.exe	30
PID 2412 wrote to memory of 2744	2412	ea68617f0ce18491dee0783f1c91da8f77555013b1496e5ff71ad6ab7759534a.exe	30
PID 2412 wrote to memory of 2744	2412	ea68617f0ce18491dee0783f1c91da8f77555013b1496e5ff71ad6ab7759534a.exe	30
PID 2412 wrote to memory of 2744	2412	ea68617f0ce18491dee0783f1c91da8f77555013b1496e5ff71ad6ab7759534a.exe	30
PID 2412 wrote to memory of 2744	2412	ea68617f0ce18491dee0783f1c91da8f77555013b1496e5ff71ad6ab7759534a.exe	30
PID 2744 wrote to memory of 1180	2744	winver.exe	21
PID 2744 wrote to memory of 1052	2744	winver.exe	18
PID 2744 wrote to memory of 1160	2744	winver.exe	20
PID 2744 wrote to memory of 1180	2744	winver.exe	21
PID 2744 wrote to memory of 1468	2744	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1052

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1180
- C:\Users\Admin\AppData\Local\Temp\ea68617f0ce18491dee0783f1c91da8f77555013b1496e5ff71ad6ab7759534a.exe
  "C:\Users\Admin\AppData\Local\Temp\ea68617f0ce18491dee0783f1c91da8f77555013b1496e5ff71ad6ab7759534a.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2412
- - 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:2744

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1468

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 Information Discovery

T1082

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/1052-26-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1052-11-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1160-24-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1160-14-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1180-25-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1180-3-0x0000000002D00000-0x0000000002D06000-memory.dmp

Filesize
24KB

Download
memory/1180-1-0x0000000002D00000-0x0000000002D06000-memory.dmp

Filesize
24KB

Download
memory/1180-6-0x0000000002D00000-0x0000000002D06000-memory.dmp

Filesize
24KB

Download
memory/1180-17-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1468-20-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Filesize
24KB

Download
memory/1468-27-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Filesize
24KB

Download
memory/2412-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2744-23-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/2744-4-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2744-29-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download