Malware Analysis Report

2025-01-19 07:23

Sample ID 231220-s95jksccfq
Target ddf7277b4542e8a8411229cd2b959d25
SHA256 f28ff18d41f60fc6446b1b6b9f9cb58d7434f408c195e315df9468a236f8390c
Tags
tinba banker persistence trojan upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

f28ff18d41f60fc6446b1b6b9f9cb58d7434f408c195e315df9468a236f8390c

Threat Level: Known bad

The file ddf7277b4542e8a8411229cd2b959d25 was found to be: Known bad.

Malicious Activity Summary

tinba banker persistence trojan upx

Tinba / TinyBanker

UPX packed file

Adds Run key to start application

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-20 15:50

Signatures

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-20 15:50

Reported

2023-12-21 00:07

Platform

win10v2004-20231215-en

Max time kernel

20s

Max time network

35s

Command Line

C:\Windows\Explorer.EXE

Signatures

Tinba / TinyBanker

trojan banker tinba

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AB553F75 = "C:\\Users\\Admin\\AppData\\Roaming\\AB553F75\\bin.exe" C:\Windows\SysWOW64\winver.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\winver.exe N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\ddf7277b4542e8a8411229cd2b959d25.exe

"C:\Users\Admin\AppData\Local\Temp\ddf7277b4542e8a8411229cd2b959d25.exe"

C:\Windows\system32\taskhostw.exe

taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}

C:\Windows\system32\svchost.exe

C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc

C:\Windows\system32\sihost.exe

sihost.exe

C:\Windows\SysWOW64\winver.exe

winver

Network

Country Destination Domain Proto
US 20.231.121.79:80 tcp
US 8.8.8.8:53 0.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp

Files

memory/5068-0-0x0000000000400000-0x0000000000417000-memory.dmp

memory/5068-1-0x00000000005D0000-0x00000000005D1000-memory.dmp

memory/3380-2-0x0000000001430000-0x0000000001436000-memory.dmp

memory/3380-3-0x0000000001430000-0x0000000001436000-memory.dmp

memory/5068-4-0x00000000021B0000-0x0000000002BB0000-memory.dmp

memory/1404-5-0x0000000077D42000-0x0000000077D43000-memory.dmp

memory/3380-6-0x00007FFB5D84D000-0x00007FFB5D84E000-memory.dmp

memory/1404-7-0x0000000002180000-0x0000000002186000-memory.dmp

memory/5068-8-0x0000000000400000-0x0000000000417000-memory.dmp

memory/5068-9-0x00000000021B0000-0x0000000002BB0000-memory.dmp

memory/2552-13-0x00000000004A0000-0x00000000004A6000-memory.dmp

memory/2768-14-0x00000000003C0000-0x00000000003C6000-memory.dmp

memory/2536-16-0x0000000000780000-0x0000000000786000-memory.dmp

memory/3508-18-0x0000000000190000-0x0000000000196000-memory.dmp

memory/2552-17-0x00000000004A0000-0x00000000004A6000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-20 15:50

Reported

2023-12-21 00:07

Platform

win7-20231215-en

Max time kernel

154s

Max time network

174s

Command Line

C:\Windows\Explorer.EXE

Signatures

Tinba / TinyBanker

trojan banker tinba

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\8E825C57 = "C:\\Users\\Admin\\AppData\\Roaming\\8E825C57\\bin.exe" C:\Windows\SysWOW64\winver.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\winver.exe N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\Dwm.exe

"C:\Windows\system32\Dwm.exe"

C:\Users\Admin\AppData\Local\Temp\ddf7277b4542e8a8411229cd2b959d25.exe

"C:\Users\Admin\AppData\Local\Temp\ddf7277b4542e8a8411229cd2b959d25.exe"

C:\Windows\system32\taskhost.exe

"taskhost.exe"

C:\Windows\SysWOW64\winver.exe

winver

Network

Country Destination Domain Proto
US 8.8.8.8:53 spaines.pw udp
US 216.218.185.162:80 spaines.pw tcp
US 8.8.8.8:53 uyhgqunqkxnx.pw udp
SG 45.77.249.79:80 uyhgqunqkxnx.pw tcp
US 8.8.8.8:53 vcklmnnejwxx.pw udp
US 216.218.185.162:80 vcklmnnejwxx.pw tcp
US 8.8.8.8:53 cmnsgscccrej.pw udp
US 216.218.185.162:80 cmnsgscccrej.pw tcp
US 8.8.8.8:53 evbsdqvgmpph.pw udp
US 216.218.185.162:80 evbsdqvgmpph.pw tcp
US 8.8.8.8:53 mfueeimvyrsp.pw udp
US 216.218.185.162:80 mfueeimvyrsp.pw tcp
US 8.8.8.8:53 utmyhnffxpcj.pw udp
US 216.218.185.162:80 utmyhnffxpcj.pw tcp
US 8.8.8.8:53 fkmmvfeonnyh.pw udp
US 216.218.185.162:80 fkmmvfeonnyh.pw tcp
US 8.8.8.8:53 gfnlmtcolrrb.pw udp
US 216.218.185.162:80 gfnlmtcolrrb.pw tcp
US 8.8.8.8:53 wwgfyvvdtmeq.pw udp
US 216.218.185.162:80 wwgfyvvdtmeq.pw tcp

Files

memory/2428-0-0x0000000000400000-0x0000000000417000-memory.dmp

memory/2428-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1260-2-0x00000000026F0000-0x00000000026F6000-memory.dmp

memory/2428-4-0x0000000001D40000-0x0000000002740000-memory.dmp

memory/1260-3-0x00000000026F0000-0x00000000026F6000-memory.dmp

memory/2168-6-0x0000000000090000-0x0000000000096000-memory.dmp

memory/1260-5-0x00000000026F0000-0x00000000026F6000-memory.dmp

memory/2168-7-0x0000000077390000-0x0000000077391000-memory.dmp

memory/2168-9-0x000000007738F000-0x0000000077391000-memory.dmp

memory/2168-8-0x000000007738F000-0x0000000077390000-memory.dmp

memory/1260-10-0x00000000771E1000-0x00000000771E2000-memory.dmp

memory/2168-11-0x0000000000EF0000-0x0000000000F06000-memory.dmp

memory/2428-12-0x0000000000400000-0x0000000000417000-memory.dmp

memory/2428-13-0x0000000001D40000-0x0000000002740000-memory.dmp

memory/2168-16-0x00000000001C0000-0x00000000001C1000-memory.dmp

memory/1260-23-0x0000000002690000-0x0000000002696000-memory.dmp

memory/1196-21-0x0000000000120000-0x0000000000126000-memory.dmp

memory/1132-24-0x0000000001C40000-0x0000000001C46000-memory.dmp

memory/1132-25-0x00000000771E1000-0x00000000771E2000-memory.dmp

memory/1260-26-0x0000000002690000-0x0000000002696000-memory.dmp

memory/1196-27-0x0000000000120000-0x0000000000126000-memory.dmp

memory/2168-31-0x00000000001D0000-0x00000000001D1000-memory.dmp

memory/2168-32-0x0000000000090000-0x0000000000096000-memory.dmp