tinba | 36946b6ed48733c40af0e2bfb4542848ec61ffd46527984f3ff666fec04bef35

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08/11/2024, 07:45 UTC

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General

Target

36946b6ed48733c40af0e2bfb4542848ec61ffd46527984f3ff666fec04bef35N.exe
Size

89KB
MD5

2e678e6b62adadbf51923b89598e52d0
SHA1

727cf1a7a28a17916e66aae82bad9d8fc64cfa37
SHA256

36946b6ed48733c40af0e2bfb4542848ec61ffd46527984f3ff666fec04bef35
SHA512

b16f2b23f7bb0dfa64c003860cb208b671ea52aa719e1cb9bb75133457b2312ba66d6115522628dae0e88cd6d56d6b4458ccde4d049bf06ec2829ba9d815197d
SSDEEP

1536:y1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:a+4MJIkLZJNAQ9Jo9e

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\614A5615 = "C:\\Users\\Admin\\AppData\\Roaming\\614A5615\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1420-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

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	36946b6ed48733c40af0e2bfb4542848ec61ffd46527984f3ff666fec04bef35N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2784	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1420 wrote to memory of 2784	1420	36946b6ed48733c40af0e2bfb4542848ec61ffd46527984f3ff666fec04bef35N.exe	31
PID 1420 wrote to memory of 2784	1420	36946b6ed48733c40af0e2bfb4542848ec61ffd46527984f3ff666fec04bef35N.exe	31
PID 1420 wrote to memory of 2784	1420	36946b6ed48733c40af0e2bfb4542848ec61ffd46527984f3ff666fec04bef35N.exe	31
PID 1420 wrote to memory of 2784	1420	36946b6ed48733c40af0e2bfb4542848ec61ffd46527984f3ff666fec04bef35N.exe	31
PID 1420 wrote to memory of 2784	1420	36946b6ed48733c40af0e2bfb4542848ec61ffd46527984f3ff666fec04bef35N.exe	31
PID 2784 wrote to memory of 1196	2784	winver.exe	21
PID 2784 wrote to memory of 1112	2784	winver.exe	19
PID 2784 wrote to memory of 1168	2784	winver.exe	20
PID 2784 wrote to memory of 1196	2784	winver.exe	21
PID 2784 wrote to memory of 1304	2784	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\36946b6ed48733c40af0e2bfb4542848ec61ffd46527984f3ff666fec04bef35N.exe
  "C:\Users\Admin\AppData\Local\Temp\36946b6ed48733c40af0e2bfb4542848ec61ffd46527984f3ff666fec04bef35N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1420
- - 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:2784

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1304

Network

DNS

spaines.pw

winver.exe

Remote address:

8.8.8.8:53

Request

spaines.pw

IN A

Response

spaines.pw

IN A

216.218.185.162
POST

http://spaines.pw/EiDQjNbWEQ/

winver.exe

Remote address:

216.218.185.162:80

Request

POST /EiDQjNbWEQ/ HTTP/1.0
Host: spaines.pw
Content-Length: 157

Response

HTTP/1.1 200 OK

Server: nginx/1.21.6
Date: Fri, 08 Nov 2024 07:45:49 GMT
Content-Type: application/octet-stream
Connection: close

216.218.185.162:80

http://spaines.pw/EiDQjNbWEQ/

http

winver.exe

1.2kB
1.0kB
22
22

HTTP Request

POST http://spaines.pw/EiDQjNbWEQ/

HTTP Response

200

8.8.8.8:53

spaines.pw

dns

winver.exe

56 B
72 B
1
1

DNS Request

spaines.pw

DNS Response

216.218.185.162

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

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Downloads

memory/1112-37-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1112-26-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1112-27-0x00000000777E1000-0x00000000777E2000-memory.dmp

Filesize
4KB

Download
memory/1112-25-0x00000000777E1000-0x00000000777E2000-memory.dmp

Filesize
4KB

Download
memory/1168-30-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1168-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1168-31-0x00000000777E1000-0x00000000777E2000-memory.dmp

Filesize
4KB

Download
memory/1196-3-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1196-10-0x00000000777E1000-0x00000000777E2000-memory.dmp

Filesize
4KB

Download
memory/1196-32-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/1196-22-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/1196-2-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1196-4-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1304-29-0x00000000777E1000-0x00000000777E2000-memory.dmp

Filesize
4KB

Download
memory/1304-28-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1304-36-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1304-24-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1420-5-0x0000000001B90000-0x0000000002590000-memory.dmp

Filesize
10.0MB

Download
memory/1420-13-0x0000000001B90000-0x0000000002590000-memory.dmp

Filesize
10.0MB

Download
memory/1420-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1420-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1420-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2784-7-0x0000000077990000-0x0000000077991000-memory.dmp

Filesize
4KB

Download
memory/2784-9-0x000000007798F000-0x0000000077991000-memory.dmp

Filesize
8KB

Download
memory/2784-8-0x000000007798F000-0x0000000077990000-memory.dmp

Filesize
4KB

Download
memory/2784-33-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2784-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2784-11-0x0000000077790000-0x0000000077939000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

HTTP Request

HTTP Response

DNS Request

DNS Response

MITRE ATT&CK Enterprise v15

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