Malware Analysis Report

2025-01-19 07:39

Sample ID 241118-prrm8a1qbl
Target 7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04.exe
SHA256 7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04
Tags
tinba banker discovery persistence trojan upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04

Threat Level: Known bad

The file 7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04.exe was found to be: Known bad.

Malicious Activity Summary

tinba banker discovery persistence trojan upx

Tinba / TinyBanker

Tinba family

Adds Run key to start application

UPX packed file

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious use of UnmapMainImage

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-18 12:34

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-18 12:34

Reported

2024-11-18 12:36

Platform

win7-20241010-en

Max time kernel

119s

Max time network

123s

Command Line

"taskhost.exe"

Signatures

Tinba / TinyBanker

trojan banker tinba

Tinba family

tinba

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\61C7D031 = "C:\\Users\\Admin\\AppData\\Roaming\\61C7D031\\bin.exe" C:\Windows\SysWOW64\winver.exe N/A

UPX packed file

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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 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\7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04.exe

"C:\Users\Admin\AppData\Local\Temp\7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04.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/2344-0-0x0000000000400000-0x000000000041E000-memory.dmp

memory/2344-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1204-3-0x0000000002930000-0x0000000002936000-memory.dmp

memory/1204-2-0x0000000002930000-0x0000000002936000-memory.dmp

memory/1204-4-0x0000000002930000-0x0000000002936000-memory.dmp

memory/2344-5-0x0000000001ED0000-0x00000000028D0000-memory.dmp

memory/2628-11-0x0000000077380000-0x0000000077529000-memory.dmp

memory/1204-10-0x00000000773D1000-0x00000000773D2000-memory.dmp

memory/2628-9-0x000000007757F000-0x0000000077581000-memory.dmp

memory/2628-8-0x000000007757F000-0x0000000077580000-memory.dmp

memory/2628-7-0x0000000077580000-0x0000000077581000-memory.dmp

memory/2628-6-0x0000000000140000-0x0000000000146000-memory.dmp

memory/2344-12-0x0000000000400000-0x000000000041E000-memory.dmp

memory/2344-13-0x0000000001ED0000-0x00000000028D0000-memory.dmp

memory/1104-26-0x00000000773D1000-0x00000000773D2000-memory.dmp

memory/1104-25-0x0000000000310000-0x0000000000316000-memory.dmp

memory/1628-24-0x0000000001C10000-0x0000000001C16000-memory.dmp

memory/1204-22-0x00000000021F0000-0x00000000021F6000-memory.dmp

memory/1168-20-0x0000000000120000-0x0000000000126000-memory.dmp

memory/1168-27-0x0000000000120000-0x0000000000126000-memory.dmp

memory/1628-28-0x00000000773D1000-0x00000000773D2000-memory.dmp

memory/1204-29-0x00000000021F0000-0x00000000021F6000-memory.dmp

memory/1628-30-0x0000000001C10000-0x0000000001C16000-memory.dmp

memory/2628-31-0x0000000000140000-0x0000000000146000-memory.dmp

memory/2628-36-0x00000000001D0000-0x00000000001D1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-18 12:34

Reported

2024-11-18 12:36

Platform

win10v2004-20241007-en

Max time kernel

118s

Max time network

97s

Command Line

sihost.exe

Signatures

Tinba / TinyBanker

trojan banker tinba

Tinba family

tinba

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\D1A87ADE = "C:\\Users\\Admin\\AppData\\Roaming\\D1A87ADE\\bin.exe" C:\Windows\SysWOW64\winver.exe N/A

UPX packed file

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

Program crash

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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 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 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\7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04.exe

"C:\Users\Admin\AppData\Local\Temp\7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1144 -ip 1144

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1144 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 134.130.81.91.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/4764-0-0x0000000000400000-0x000000000041E000-memory.dmp

memory/4764-1-0x00000000005B0000-0x00000000005B1000-memory.dmp

memory/3580-3-0x0000000000E00000-0x0000000000E06000-memory.dmp

memory/3580-2-0x0000000000E00000-0x0000000000E06000-memory.dmp

memory/4764-4-0x0000000002300000-0x0000000002D00000-memory.dmp

memory/3580-6-0x00007FFD547AD000-0x00007FFD547AE000-memory.dmp

memory/1144-5-0x00000000777A2000-0x00000000777A3000-memory.dmp

memory/1144-7-0x00007FFD54710000-0x00007FFD54905000-memory.dmp

memory/4764-8-0x0000000000400000-0x000000000041E000-memory.dmp

memory/4764-9-0x0000000002300000-0x0000000002D00000-memory.dmp

memory/3580-10-0x00007FFD54940000-0x00007FFD54941000-memory.dmp

memory/1144-12-0x0000000000610000-0x0000000000616000-memory.dmp

memory/2628-14-0x00000000006F0000-0x00000000006F6000-memory.dmp

memory/1144-15-0x0000000000610000-0x0000000000616000-memory.dmp

memory/2628-16-0x00000000006F0000-0x00000000006F6000-memory.dmp