Malware Analysis Report

2024-09-09 17:08

Sample ID 240713-f9ft1axfqp
Target 52d43c43ebc0b912e7b5d29718fd3f30N.exe
SHA256 2563c92188cd82c2479fc87055c27451556861ca291f8d5094acaba37eedff9f
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

2563c92188cd82c2479fc87055c27451556861ca291f8d5094acaba37eedff9f

Threat Level: Known bad

The file 52d43c43ebc0b912e7b5d29718fd3f30N.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

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

2024-07-13 05:34

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

2024-07-13 05:34

Reported

2024-07-13 05:36

Platform

win7-20240704-en

Max time kernel

118s

Max time network

118s

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-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\Run\E342DB95 = "C:\\Users\\Admin\\AppData\\Roaming\\E342DB95\\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

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\52d43c43ebc0b912e7b5d29718fd3f30N.exe

"C:\Users\Admin\AppData\Local\Temp\52d43c43ebc0b912e7b5d29718fd3f30N.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/1512-0-0x0000000000400000-0x000000000041D000-memory.dmp

memory/1196-4-0x0000000002E70000-0x0000000002E76000-memory.dmp

memory/1196-3-0x0000000002E70000-0x0000000002E76000-memory.dmp

memory/1196-2-0x0000000002E70000-0x0000000002E76000-memory.dmp

memory/1512-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1512-5-0x0000000001BC0000-0x00000000025C0000-memory.dmp

memory/2456-11-0x0000000077340000-0x00000000774E9000-memory.dmp

memory/1196-10-0x0000000077391000-0x0000000077392000-memory.dmp

memory/2456-9-0x000000007753F000-0x0000000077541000-memory.dmp

memory/2456-8-0x000000007753F000-0x0000000077540000-memory.dmp

memory/2456-7-0x0000000077540000-0x0000000077541000-memory.dmp

memory/2456-6-0x0000000000120000-0x0000000000126000-memory.dmp

memory/1512-12-0x0000000000400000-0x000000000041D000-memory.dmp

memory/1148-19-0x0000000000140000-0x0000000000146000-memory.dmp

memory/1196-21-0x0000000002B20000-0x0000000002B26000-memory.dmp

memory/1592-23-0x0000000001FA0000-0x0000000001FA6000-memory.dmp

memory/1196-24-0x0000000002B20000-0x0000000002B26000-memory.dmp

memory/1104-25-0x0000000002070000-0x0000000002076000-memory.dmp

memory/1104-26-0x0000000077391000-0x0000000077392000-memory.dmp

memory/1148-27-0x0000000000140000-0x0000000000146000-memory.dmp

memory/1592-28-0x0000000001FA0000-0x0000000001FA6000-memory.dmp

memory/1592-29-0x0000000077391000-0x0000000077392000-memory.dmp

memory/2456-34-0x0000000000120000-0x0000000000126000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-13 05:34

Reported

2024-07-13 05:36

Platform

win10v2004-20240709-en

Max time kernel

117s

Max time network

97s

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-1-5-21-1750093773-264148664-1320403265-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\F9D42905 = "C:\\Users\\Admin\\AppData\\Roaming\\F9D42905\\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\52d43c43ebc0b912e7b5d29718fd3f30N.exe

"C:\Users\Admin\AppData\Local\Temp\52d43c43ebc0b912e7b5d29718fd3f30N.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2440 -ip 2440

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2440 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp

Files

memory/4896-0-0x0000000000400000-0x000000000041D000-memory.dmp

memory/4896-1-0x0000000000580000-0x0000000000581000-memory.dmp

memory/3344-3-0x00000000011E0000-0x00000000011E6000-memory.dmp

memory/3344-2-0x00000000011E0000-0x00000000011E6000-memory.dmp

memory/4896-4-0x0000000002270000-0x0000000002C70000-memory.dmp

memory/2440-6-0x0000000076FD2000-0x0000000076FD3000-memory.dmp

memory/3344-7-0x00007FFC44BCD000-0x00007FFC44BCE000-memory.dmp

memory/2440-5-0x0000000000F60000-0x0000000000F66000-memory.dmp

memory/2440-8-0x00007FFC44B30000-0x00007FFC44D25000-memory.dmp

memory/3344-9-0x00007FFC44D60000-0x00007FFC44D61000-memory.dmp

memory/4896-10-0x0000000000400000-0x000000000041D000-memory.dmp

memory/4896-11-0x0000000002270000-0x0000000002C70000-memory.dmp

memory/2692-15-0x0000000000040000-0x0000000000046000-memory.dmp

memory/2440-16-0x0000000000F60000-0x0000000000F66000-memory.dmp