Malware Analysis Report

2024-09-09 17:08

Sample ID 240709-pt66pavalr
Target 384465693b395ccef3f37edd427649e0N.exe
SHA256 fc2900f2dbc66cd7e8fbe7a70f427b108f9cd2b48dbb03058e8ce6a5f5c4103a
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

fc2900f2dbc66cd7e8fbe7a70f427b108f9cd2b48dbb03058e8ce6a5f5c4103a

Threat Level: Known bad

The file 384465693b395ccef3f37edd427649e0N.exe 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 use of AdjustPrivilegeToken

Suspicious use of UnmapMainImage

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-07-09 12:38

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-09 12:38

Reported

2024-07-09 12:40

Platform

win7-20240704-en

Max time kernel

149s

Max time network

148s

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-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\Run\CD0378C2 = "C:\\Users\\Admin\\AppData\\Roaming\\CD0378C2\\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\384465693b395ccef3f37edd427649e0N.exe

"C:\Users\Admin\AppData\Local\Temp\384465693b395ccef3f37edd427649e0N.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
US 104.131.68.180:80 uyhgqunqkxnx.pw tcp
US 8.8.8.8:53 vcklmnnejwxx.pw udp
US 216.218.185.162:80 vcklmnnejwxx.pw tcp

Files

memory/2120-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1204-4-0x0000000002DA0000-0x0000000002DA6000-memory.dmp

memory/1204-3-0x0000000002DA0000-0x0000000002DA6000-memory.dmp

memory/1204-2-0x0000000002DA0000-0x0000000002DA6000-memory.dmp

memory/2120-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1952-9-0x000000007751F000-0x0000000077521000-memory.dmp

memory/1204-10-0x0000000077371000-0x0000000077372000-memory.dmp

memory/1952-8-0x000000007751F000-0x0000000077520000-memory.dmp

memory/1952-11-0x0000000077320000-0x00000000774C9000-memory.dmp

memory/1952-7-0x0000000077520000-0x0000000077521000-memory.dmp

memory/1952-6-0x0000000000130000-0x0000000000136000-memory.dmp

memory/2120-5-0x0000000001D60000-0x0000000002760000-memory.dmp

memory/2120-12-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2120-13-0x0000000001D60000-0x0000000002760000-memory.dmp

memory/1204-22-0x0000000002D50000-0x0000000002D56000-memory.dmp

memory/1176-20-0x0000000001F80000-0x0000000001F86000-memory.dmp

memory/1572-25-0x0000000000340000-0x0000000000346000-memory.dmp

memory/1120-26-0x0000000002090000-0x0000000002096000-memory.dmp

memory/1120-27-0x0000000077371000-0x0000000077372000-memory.dmp

memory/1572-29-0x0000000077371000-0x0000000077372000-memory.dmp

memory/1572-28-0x0000000000340000-0x0000000000346000-memory.dmp

memory/1176-30-0x0000000001F80000-0x0000000001F86000-memory.dmp

memory/1204-31-0x0000000002D50000-0x0000000002D56000-memory.dmp

memory/1952-36-0x0000000000200000-0x0000000000201000-memory.dmp

memory/1952-37-0x0000000000130000-0x0000000000136000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-09 12:38

Reported

2024-07-09 12:41

Platform

win10v2004-20240704-en

Max time kernel

123s

Max time network

97s

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-1-5-21-2753856825-3907105642-1818461144-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8B4DB93E = "C:\\Users\\Admin\\AppData\\Roaming\\8B4DB93E\\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

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.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\384465693b395ccef3f37edd427649e0N.exe

"C:\Users\Admin\AppData\Local\Temp\384465693b395ccef3f37edd427649e0N.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3340 -ip 3340

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3340 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 4.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/1452-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1452-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

memory/3384-3-0x0000000001080000-0x0000000001086000-memory.dmp

memory/3384-2-0x0000000001080000-0x0000000001086000-memory.dmp

memory/1452-4-0x00000000023A0000-0x0000000002DA0000-memory.dmp

memory/3384-5-0x00007FFE4086D000-0x00007FFE4086E000-memory.dmp

memory/3340-6-0x00007FFE407D0000-0x00007FFE409C5000-memory.dmp

memory/3384-7-0x00007FFE4086C000-0x00007FFE4086D000-memory.dmp

memory/1452-8-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1452-9-0x00000000023A0000-0x0000000002DA0000-memory.dmp

memory/3384-10-0x00007FFE40A00000-0x00007FFE40A01000-memory.dmp

memory/3340-12-0x0000000001060000-0x0000000001066000-memory.dmp

memory/2680-14-0x0000000000BD0000-0x0000000000BD6000-memory.dmp

memory/3340-15-0x0000000001060000-0x0000000001066000-memory.dmp