Malware Analysis Report

2024-10-19 13:24

Sample ID 240404-dmg3fada9v
Target f13e03a302af9427c4fa53e10d760c20ab8954073e22c84908ea9d987385b391
SHA256 f13e03a302af9427c4fa53e10d760c20ab8954073e22c84908ea9d987385b391
Tags
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

f13e03a302af9427c4fa53e10d760c20ab8954073e22c84908ea9d987385b391

Threat Level: Known bad

The file f13e03a302af9427c4fa53e10d760c20ab8954073e22c84908ea9d987385b391 was found to be: Known bad.

Malicious Activity Summary

tinba banker persistence trojan

Tinba / TinyBanker

Adds Run key to start application

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of SendNotifyMessage

Modifies data under HKEY_USERS

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-04 03:07

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-04 03:07

Reported

2024-04-04 03:10

Platform

win7-20240221-en

Max time kernel

152s

Max time network

151s

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-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Windows\CurrentVersion\Run\AF08F672 = "C:\\Users\\Admin\\AppData\\Roaming\\AF08F672\\bin.exe" C:\Windows\SysWOW64\winver.exe N/A

Enumerates physical storage devices

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

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:\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:\Users\Admin\AppData\Local\Temp\f13e03a302af9427c4fa53e10d760c20ab8954073e22c84908ea9d987385b391.exe

"C:\Users\Admin\AppData\Local\Temp\f13e03a302af9427c4fa53e10d760c20ab8954073e22c84908ea9d987385b391.exe"

C:\Windows\SysWOW64\winver.exe

winver

Network

Country Destination Domain Proto
US 8.8.8.8:53 elitiorecfreetoo.cc udp
US 216.218.185.162:80 elitiorecfreetoo.cc tcp
US 8.8.8.8:53 ljjskttqximu.com udp
US 8.8.8.8:53 ljjskttqximu.net udp
US 8.8.8.8:53 ljjskttqximu.in udp
US 216.218.185.162:80 ljjskttqximu.in tcp
US 8.8.8.8:53 ljjskttqximu.ru udp
US 162.249.66.138:80 ljjskttqximu.ru tcp
US 8.8.8.8:53 fovcpylsiqvv.com udp
US 216.218.185.162:80 fovcpylsiqvv.com tcp
US 8.8.8.8:53 fovcpylsiqvv.net udp
US 8.8.8.8:53 fovcpylsiqvv.in udp
US 216.218.185.162:80 fovcpylsiqvv.in tcp
US 8.8.8.8:53 fovcpylsiqvv.ru udp
US 8.8.8.8:53 ptuvwkjgwleu.com udp
US 8.8.8.8:53 ptuvwkjgwleu.net udp
US 8.8.8.8:53 ptuvwkjgwleu.in udp
US 216.218.185.162:80 ptuvwkjgwleu.in tcp
US 8.8.8.8:53 ptuvwkjgwleu.ru udp
US 8.8.8.8:53 pxscpwnnqujq.com udp
US 8.8.8.8:53 pxscpwnnqujq.net udp
US 216.218.185.162:80 pxscpwnnqujq.net tcp
US 8.8.8.8:53 pxscpwnnqujq.in udp
US 216.218.185.162:80 pxscpwnnqujq.in tcp
US 8.8.8.8:53 pxscpwnnqujq.ru udp
US 8.8.8.8:53 pvmjyqwwugwx.com udp
US 8.8.8.8:53 pvmjyqwwugwx.net udp
US 8.8.8.8:53 pvmjyqwwugwx.in udp
US 216.218.185.162:80 pvmjyqwwugwx.in tcp
US 8.8.8.8:53 pvmjyqwwugwx.ru udp
US 8.8.8.8:53 pirckxungwkv.com udp
US 216.218.185.162:80 pirckxungwkv.com tcp
US 8.8.8.8:53 pirckxungwkv.net udp
US 8.8.8.8:53 pirckxungwkv.in udp
US 216.218.185.162:80 pirckxungwkv.in tcp
US 8.8.8.8:53 pirckxungwkv.ru udp
US 8.8.8.8:53 lyheuwwspjii.com udp
US 8.8.8.8:53 lyheuwwspjii.net udp
US 8.8.8.8:53 lyheuwwspjii.in udp
US 216.218.185.162:80 lyheuwwspjii.in tcp
US 8.8.8.8:53 lyheuwwspjii.ru udp
US 8.8.8.8:53 pwfdmhwkuume.com udp
US 8.8.8.8:53 pwfdmhwkuume.net udp
US 8.8.8.8:53 pwfdmhwkuume.in udp
US 216.218.185.162:80 pwfdmhwkuume.in tcp
US 8.8.8.8:53 pwfdmhwkuume.ru udp
US 8.8.8.8:53 pubejsbumwql.com udp
US 8.8.8.8:53 pubejsbumwql.net udp
US 8.8.8.8:53 pubejsbumwql.in udp
US 216.218.185.162:80 pubejsbumwql.in tcp
US 8.8.8.8:53 pubejsbumwql.ru udp
US 8.8.8.8:53 pggnopcfulgl.com udp
US 8.8.8.8:53 pggnopcfulgl.net udp
US 8.8.8.8:53 pggnopcfulgl.in udp
US 216.218.185.162:80 pggnopcfulgl.in tcp
US 8.8.8.8:53 pggnopcfulgl.ru udp
US 8.8.8.8:53 wdddcxsjipoj.com udp
US 8.8.8.8:53 wdddcxsjipoj.net udp
US 8.8.8.8:53 wdddcxsjipoj.in udp
US 216.218.185.162:80 wdddcxsjipoj.in tcp
US 8.8.8.8:53 wdddcxsjipoj.ru udp
US 8.8.8.8:53 bedevrvyvglt.com udp
US 8.8.8.8:53 bedevrvyvglt.net udp
US 8.8.8.8:53 bedevrvyvglt.in udp
US 216.218.185.162:80 bedevrvyvglt.in tcp
US 8.8.8.8:53 bedevrvyvglt.ru udp
US 8.8.8.8:53 wscwhyyqqnne.com udp
US 8.8.8.8:53 wscwhyyqqnne.net udp
US 8.8.8.8:53 wscwhyyqqnne.in udp
US 216.218.185.162:80 wscwhyyqqnne.in tcp

Files

memory/1008-0-0x00000000042C0000-0x00000000053C2000-memory.dmp

memory/1008-1-0x0000000001F30000-0x0000000001F31000-memory.dmp

memory/1008-2-0x0000000001F30000-0x0000000001F31000-memory.dmp

memory/1008-3-0x00000000042C0000-0x00000000053C2000-memory.dmp

memory/1008-6-0x00000000057D0000-0x00000000061D0000-memory.dmp

memory/2432-8-0x00000000000D0000-0x00000000000D6000-memory.dmp

memory/1260-7-0x0000000002950000-0x0000000002956000-memory.dmp

memory/1260-11-0x0000000002950000-0x0000000002956000-memory.dmp

memory/2432-13-0x00000000000D0000-0x00000000000D6000-memory.dmp

memory/1260-12-0x0000000077B51000-0x0000000077B52000-memory.dmp

memory/2432-10-0x0000000000390000-0x00000000003A6000-memory.dmp

memory/2432-9-0x00000000000D0000-0x00000000000D6000-memory.dmp

memory/1260-5-0x0000000002950000-0x0000000002956000-memory.dmp

memory/2432-14-0x0000000077CFF000-0x0000000077D00000-memory.dmp

memory/2432-15-0x0000000077CFF000-0x0000000077D01000-memory.dmp

memory/2432-16-0x0000000077D00000-0x0000000077D01000-memory.dmp

memory/1152-19-0x0000000000450000-0x0000000000456000-memory.dmp

memory/1220-21-0x0000000000130000-0x0000000000136000-memory.dmp

memory/1152-23-0x0000000000450000-0x0000000000456000-memory.dmp

memory/1152-25-0x0000000077B51000-0x0000000077B52000-memory.dmp

memory/1220-27-0x0000000000130000-0x0000000000136000-memory.dmp

memory/1260-26-0x0000000002970000-0x0000000002976000-memory.dmp

memory/2432-32-0x00000000002F0000-0x00000000002F6000-memory.dmp

memory/1260-33-0x0000000002970000-0x0000000002976000-memory.dmp

memory/2432-34-0x0000000000240000-0x0000000000241000-memory.dmp

memory/1008-36-0x0000000000400000-0x000000000043C000-memory.dmp

memory/1008-37-0x00000000057D0000-0x00000000061D0000-memory.dmp

memory/2432-38-0x00000000002F0000-0x00000000002F6000-memory.dmp

memory/2432-39-0x0000000000250000-0x0000000000251000-memory.dmp

memory/2432-44-0x00000000000D0000-0x00000000000D6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-04 03:07

Reported

2024-04-04 03:10

Platform

win10v2004-20240226-en

Max time kernel

58s

Max time network

63s

Command Line

sihost.exe

Signatures

Enumerates physical storage devices

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client" C:\Windows\System32\svchost.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 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\f13e03a302af9427c4fa53e10d760c20ab8954073e22c84908ea9d987385b391.exe

"C:\Users\Admin\AppData\Local\Temp\f13e03a302af9427c4fa53e10d760c20ab8954073e22c84908ea9d987385b391.exe"

C:\Windows\System32\svchost.exe

C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman

C:\Windows\SysWOW64\winver.exe

winver

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 145.110.86.104.in-addr.arpa udp
US 8.8.8.8:53 elitiorecfreetoo.cc udp

Files

memory/32-1-0x00000000046A0000-0x00000000057A2000-memory.dmp

memory/32-2-0x0000000003D10000-0x0000000003D11000-memory.dmp

memory/32-3-0x00000000046A0000-0x00000000057A2000-memory.dmp

memory/3512-5-0x00000000010E0000-0x00000000010E6000-memory.dmp

memory/32-8-0x0000000005AB0000-0x00000000064B0000-memory.dmp

memory/4924-9-0x0000000000D30000-0x0000000000D36000-memory.dmp

memory/3512-7-0x00000000010E0000-0x00000000010E6000-memory.dmp

memory/4924-6-0x0000000000D30000-0x0000000000D36000-memory.dmp

memory/3512-10-0x00007FFCCBACD000-0x00007FFCCBACE000-memory.dmp

memory/4924-11-0x0000000077C32000-0x0000000077C33000-memory.dmp

memory/4924-12-0x0000000000D30000-0x0000000000D36000-memory.dmp

memory/32-14-0x0000000000400000-0x000000000043C000-memory.dmp

memory/32-15-0x0000000005AB0000-0x00000000064B0000-memory.dmp

memory/2568-17-0x0000000000320000-0x0000000000326000-memory.dmp

memory/2680-18-0x00000000002D0000-0x00000000002D6000-memory.dmp

memory/2540-19-0x0000000000820000-0x0000000000826000-memory.dmp

memory/3652-22-0x0000000000AD0000-0x0000000000AD6000-memory.dmp