Malware Analysis Report

2024-09-09 16:58

Sample ID 240512-xwztdseh43
Target 143316d354e4bc091fccb77b288c9341bc67abc50fcdf6e0076032607a209b93
SHA256 143316d354e4bc091fccb77b288c9341bc67abc50fcdf6e0076032607a209b93
Tags
tinba banker persistence trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

143316d354e4bc091fccb77b288c9341bc67abc50fcdf6e0076032607a209b93

Threat Level: Known bad

The file 143316d354e4bc091fccb77b288c9341bc67abc50fcdf6e0076032607a209b93 was found to be: Known bad.

Malicious Activity Summary

tinba banker persistence trojan

Tinba / TinyBanker

Adds Run key to start application

Program crash

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-05-12 19:12

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-12 19:12

Reported

2024-05-12 19:15

Platform

win7-20240508-en

Max time kernel

149s

Max time network

150s

Command Line

"taskhost.exe"

Signatures

Tinba / TinyBanker

trojan banker tinba

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\94F44F3F = "C:\\Users\\Admin\\AppData\\Roaming\\94F44F3F\\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\system32\taskhost.exe

"taskhost.exe"

C:\Windows\system32\Dwm.exe

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

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\143316d354e4bc091fccb77b288c9341bc67abc50fcdf6e0076032607a209b93.exe

"C:\Users\Admin\AppData\Local\Temp\143316d354e4bc091fccb77b288c9341bc67abc50fcdf6e0076032607a209b93.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
NL 178.62.201.34:80 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

Files

memory/3016-0-0x0000000000400000-0x000000000041C000-memory.dmp

memory/3016-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1216-3-0x0000000002560000-0x0000000002566000-memory.dmp

memory/1216-4-0x0000000002560000-0x0000000002566000-memory.dmp

memory/1216-2-0x0000000002560000-0x0000000002566000-memory.dmp

memory/3016-5-0x0000000001B60000-0x0000000002560000-memory.dmp

memory/1216-10-0x0000000076FE1000-0x0000000076FE2000-memory.dmp

memory/3044-9-0x000000007718F000-0x0000000077191000-memory.dmp

memory/3044-8-0x000000007718F000-0x0000000077190000-memory.dmp

memory/3044-11-0x0000000076F90000-0x0000000077139000-memory.dmp

memory/3044-7-0x0000000077190000-0x0000000077191000-memory.dmp

memory/3044-6-0x0000000000120000-0x0000000000126000-memory.dmp

memory/3016-12-0x0000000000400000-0x000000000041C000-memory.dmp

memory/3016-13-0x0000000001B60000-0x0000000002560000-memory.dmp

memory/1164-20-0x0000000000130000-0x0000000000136000-memory.dmp

memory/1216-22-0x00000000020D0000-0x00000000020D6000-memory.dmp

memory/1112-23-0x0000000002130000-0x0000000002136000-memory.dmp

memory/1164-26-0x0000000000130000-0x0000000000136000-memory.dmp

memory/1216-25-0x00000000020D0000-0x00000000020D6000-memory.dmp

memory/1112-24-0x0000000076FE1000-0x0000000076FE2000-memory.dmp

memory/3044-30-0x0000000000120000-0x0000000000126000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-12 19:12

Reported

2024-05-12 19:15

Platform

win10v2004-20240508-en

Max time kernel

130s

Max time network

99s

Command Line

sihost.exe

Signatures

Tinba / TinyBanker

trojan banker tinba

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9DA12999 = "C:\\Users\\Admin\\AppData\\Roaming\\9DA12999\\bin.exe" C:\Windows\SysWOW64\winver.exe N/A

Program crash

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

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 AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Explorer.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\system32\sihost.exe

sihost.exe

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\143316d354e4bc091fccb77b288c9341bc67abc50fcdf6e0076032607a209b93.exe

"C:\Users\Admin\AppData\Local\Temp\143316d354e4bc091fccb77b288c9341bc67abc50fcdf6e0076032607a209b93.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1656 -ip 1656

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1656 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 138.201.86.20.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
NL 23.62.61.129:443 www.bing.com tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 129.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 25.14.97.104.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp

Files

memory/1416-0-0x0000000000400000-0x000000000041C000-memory.dmp

memory/1416-1-0x0000000002160000-0x0000000002161000-memory.dmp

memory/3508-3-0x0000000000770000-0x0000000000776000-memory.dmp

memory/3508-2-0x0000000000770000-0x0000000000776000-memory.dmp

memory/1416-4-0x00000000021E0000-0x0000000002BE0000-memory.dmp

memory/3508-7-0x00007FF8344CD000-0x00007FF8344CE000-memory.dmp

memory/1656-6-0x0000000077BF2000-0x0000000077BF3000-memory.dmp

memory/1656-5-0x00000000005D0000-0x00000000005D6000-memory.dmp

memory/1656-8-0x00007FF834430000-0x00007FF834625000-memory.dmp

memory/1416-9-0x0000000000400000-0x000000000041C000-memory.dmp

memory/1416-10-0x00000000021E0000-0x0000000002BE0000-memory.dmp

memory/2696-14-0x0000000000900000-0x0000000000906000-memory.dmp

memory/1656-15-0x00000000005D0000-0x00000000005D6000-memory.dmp