Malware Analysis Report

2024-09-09 17:09

Sample ID 240705-a474ea1amd
Target 22a4ab9eecf218b7f55460a2ea563f633f1bc6927ef3e5d3b6f9f652dd069237.exe
SHA256 22a4ab9eecf218b7f55460a2ea563f633f1bc6927ef3e5d3b6f9f652dd069237
Tags
upx 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

22a4ab9eecf218b7f55460a2ea563f633f1bc6927ef3e5d3b6f9f652dd069237

Threat Level: Known bad

The file 22a4ab9eecf218b7f55460a2ea563f633f1bc6927ef3e5d3b6f9f652dd069237.exe was found to be: Known bad.

Malicious Activity Summary

upx tinba banker persistence trojan

Tinba / TinyBanker

UPX packed file

Adds Run key to start application

Unsigned PE

Program crash

Suspicious use of FindShellTrayWindow

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-07-05 00:47

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: behavioral1

Detonation Overview

Submitted

2024-07-05 00:47

Reported

2024-07-05 02:38

Platform

win7-20240704-en

Max time kernel

161s

Max time network

166s

Command Line

"taskhost.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-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\1F0BB8C6 = "C:\\Users\\Admin\\AppData\\Roaming\\1F0BB8C6\\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:\Windows\system32\DllHost.exe

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

C:\Users\Admin\AppData\Local\Temp\22a4ab9eecf218b7f55460a2ea563f633f1bc6927ef3e5d3b6f9f652dd069237.exe

"C:\Users\Admin\AppData\Local\Temp\22a4ab9eecf218b7f55460a2ea563f633f1bc6927ef3e5d3b6f9f652dd069237.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

Files

memory/2224-0-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2224-1-0x00000000002E0000-0x00000000002F6000-memory.dmp

memory/1252-7-0x00000000779F1000-0x00000000779F2000-memory.dmp

memory/2264-6-0x00000000003F0000-0x0000000000406000-memory.dmp

memory/2264-5-0x00000000003F1000-0x00000000003F2000-memory.dmp

memory/1252-4-0x0000000002200000-0x0000000002206000-memory.dmp

memory/1252-2-0x0000000002200000-0x0000000002206000-memory.dmp

memory/1252-3-0x0000000002200000-0x0000000002206000-memory.dmp

memory/2224-9-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2264-11-0x0000000000090000-0x0000000000096000-memory.dmp

memory/2264-12-0x00000000779A0000-0x0000000077B49000-memory.dmp

memory/1252-22-0x00000000025D0000-0x00000000025D6000-memory.dmp

memory/1204-21-0x0000000000130000-0x0000000000136000-memory.dmp

memory/1116-20-0x00000000779F1000-0x00000000779F2000-memory.dmp

memory/1116-19-0x00000000006A0000-0x00000000006A6000-memory.dmp

memory/1252-18-0x00000000025D0000-0x00000000025D6000-memory.dmp

memory/1204-16-0x0000000000130000-0x0000000000136000-memory.dmp

memory/932-27-0x00000000779F1000-0x00000000779F2000-memory.dmp

memory/932-26-0x0000000001CD0000-0x0000000001CD6000-memory.dmp

memory/932-25-0x0000000001CD0000-0x0000000001CD6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-05 00:47

Reported

2024-07-05 02:38

Platform

win10v2004-20240704-en

Max time kernel

149s

Max time network

152s

Command Line

sihost.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-1-5-21-3642458265-1901903390-453309326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9ABD979A = "C:\\Users\\Admin\\AppData\\Roaming\\9ABD979A\\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\22a4ab9eecf218b7f55460a2ea563f633f1bc6927ef3e5d3b6f9f652dd069237.exe

"C:\Users\Admin\AppData\Local\Temp\22a4ab9eecf218b7f55460a2ea563f633f1bc6927ef3e5d3b6f9f652dd069237.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3524 -ip 3524

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3524 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 205.201.50.20.in-addr.arpa udp

Files

memory/2120-0-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2120-1-0x0000000002160000-0x0000000002161000-memory.dmp

memory/3424-2-0x0000000000E70000-0x0000000000E76000-memory.dmp

memory/3424-3-0x0000000000E70000-0x0000000000E76000-memory.dmp

memory/2120-4-0x00000000021A0000-0x0000000002BA0000-memory.dmp

memory/3424-6-0x00007FFE8A8ED000-0x00007FFE8A8EE000-memory.dmp

memory/3524-5-0x00000000779A2000-0x00000000779A3000-memory.dmp

memory/3524-7-0x00007FFE8A850000-0x00007FFE8AA45000-memory.dmp

memory/2120-8-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2120-9-0x00000000021A0000-0x0000000002BA0000-memory.dmp

memory/3524-11-0x0000000000640000-0x0000000000646000-memory.dmp

memory/2616-13-0x0000000000E50000-0x0000000000E56000-memory.dmp

memory/3524-14-0x0000000000640000-0x0000000000646000-memory.dmp