Malware Analysis Report

2025-01-19 07:24

Sample ID 231219-mcskvshgak
Target 02ed420eb4545328792ddd6197ad5dcb
SHA256 a6f330c97de28c6e9c5ba34734d907eef7b34bc9df51b8f601cd29ec965cc30a
Tags
upx tinba banker persistence trojan
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

a6f330c97de28c6e9c5ba34734d907eef7b34bc9df51b8f601cd29ec965cc30a

Threat Level: Known bad

The file 02ed420eb4545328792ddd6197ad5dcb 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 SendNotifyMessage

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-19 10:19

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

2023-12-19 10:19

Reported

2023-12-19 11:00

Platform

win7-20231129-en

Max time kernel

149s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\02ed420eb4545328792ddd6197ad5dcb.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-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\9CECFF34 = "C:\\Users\\Admin\\AppData\\Roaming\\9CECFF34\\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
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A

Processes

C:\Users\Admin\AppData\Local\Temp\02ed420eb4545328792ddd6197ad5dcb.exe

"C:\Users\Admin\AppData\Local\Temp\02ed420eb4545328792ddd6197ad5dcb.exe"

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\Dwm.exe

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

C:\Windows\system32\taskhost.exe

"taskhost.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
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/2168-0-0x0000000000400000-0x0000000000423000-memory.dmp

memory/2168-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/2168-3-0x0000000002040000-0x0000000002A40000-memory.dmp

memory/2248-4-0x0000000000320000-0x0000000000326000-memory.dmp

memory/1256-2-0x0000000002AE0000-0x0000000002AE6000-memory.dmp

memory/1256-6-0x0000000002AE0000-0x0000000002AE6000-memory.dmp

memory/1256-11-0x00000000774E1000-0x00000000774E2000-memory.dmp

memory/2248-10-0x0000000077690000-0x0000000077691000-memory.dmp

memory/2248-9-0x000000007768F000-0x0000000077691000-memory.dmp

memory/2248-8-0x000000007768F000-0x0000000077690000-memory.dmp

memory/2248-7-0x0000000000DB0000-0x0000000000DC6000-memory.dmp

memory/2168-12-0x0000000000400000-0x0000000000423000-memory.dmp

memory/2168-13-0x0000000002040000-0x0000000002A40000-memory.dmp

memory/2248-16-0x0000000000690000-0x0000000000691000-memory.dmp

memory/2248-15-0x0000000000320000-0x0000000000326000-memory.dmp

memory/1256-26-0x00000000025F0000-0x00000000025F6000-memory.dmp

memory/1224-25-0x0000000001F90000-0x0000000001F96000-memory.dmp

memory/1120-24-0x00000000774E1000-0x00000000774E2000-memory.dmp

memory/1120-23-0x0000000001F90000-0x0000000001F96000-memory.dmp

memory/1256-22-0x00000000025F0000-0x00000000025F6000-memory.dmp

memory/1224-20-0x0000000001F90000-0x0000000001F96000-memory.dmp

memory/2248-31-0x00000000006A0000-0x00000000006A1000-memory.dmp

memory/2248-30-0x0000000000320000-0x0000000000326000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-19 10:19

Reported

2023-12-19 11:01

Platform

win10v2004-20231215-en

Max time kernel

42s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\02ed420eb4545328792ddd6197ad5dcb.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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\83701A93 = "C:\\Users\\Admin\\AppData\\Roaming\\83701A93\\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:\Users\Admin\AppData\Local\Temp\02ed420eb4545328792ddd6197ad5dcb.exe

"C:\Users\Admin\AppData\Local\Temp\02ed420eb4545328792ddd6197ad5dcb.exe"

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\sihost.exe

sihost.exe

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2856 -ip 2856

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 148.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 190.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 187.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 179.178.17.96.in-addr.arpa udp

Files

memory/4804-0-0x0000000000400000-0x0000000000423000-memory.dmp

memory/4804-1-0x0000000000540000-0x0000000000541000-memory.dmp

memory/3412-2-0x0000000001170000-0x0000000001176000-memory.dmp

memory/4804-4-0x0000000002450000-0x0000000002E50000-memory.dmp

memory/2856-8-0x0000000000B10000-0x0000000000B22000-memory.dmp

memory/3412-7-0x00007FFD0112D000-0x00007FFD0112E000-memory.dmp

memory/2856-6-0x0000000077102000-0x0000000077103000-memory.dmp

memory/2856-5-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

memory/3412-9-0x00007FFD012C0000-0x00007FFD012C1000-memory.dmp

memory/3412-3-0x0000000001170000-0x0000000001176000-memory.dmp

memory/4804-10-0x0000000000400000-0x0000000000423000-memory.dmp

memory/4804-11-0x0000000002450000-0x0000000002E50000-memory.dmp

memory/2976-15-0x0000000000C60000-0x0000000000C66000-memory.dmp

memory/2856-16-0x0000000000CD0000-0x0000000000CD6000-memory.dmp