Malware Analysis Report

2024-09-09 17:07

Sample ID 240715-d4blzsyeqb
Target 729d135dfe420b7a3030c85c148f40c0N.exe
SHA256 0d7cc5a4d16b0729352c4bb14245f99deeb82e87d9aa101db64287b5449c5383
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

0d7cc5a4d16b0729352c4bb14245f99deeb82e87d9aa101db64287b5449c5383

Threat Level: Known bad

The file 729d135dfe420b7a3030c85c148f40c0N.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 FindShellTrayWindow

Suspicious use of UnmapMainImage

Suspicious behavior: EnumeratesProcesses

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-07-15 03:33

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

2024-07-15 03:33

Reported

2024-07-15 03:35

Platform

win7-20240704-en

Max time kernel

118s

Max time network

115s

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\1BCCF147 = "C:\\Users\\Admin\\AppData\\Roaming\\1BCCF147\\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
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:\Windows\system32\DllHost.exe

C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}

C:\Users\Admin\AppData\Local\Temp\729d135dfe420b7a3030c85c148f40c0N.exe

"C:\Users\Admin\AppData\Local\Temp\729d135dfe420b7a3030c85c148f40c0N.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 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

Files

memory/2516-0-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2516-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1212-4-0x00000000029A0000-0x00000000029A6000-memory.dmp

memory/1212-3-0x00000000029A0000-0x00000000029A6000-memory.dmp

memory/1212-2-0x00000000029A0000-0x00000000029A6000-memory.dmp

memory/2264-6-0x00000000000F0000-0x00000000000F6000-memory.dmp

memory/2516-5-0x0000000001D10000-0x0000000002710000-memory.dmp

memory/2264-11-0x00000000770A0000-0x0000000077249000-memory.dmp

memory/1212-10-0x00000000770F1000-0x00000000770F2000-memory.dmp

memory/2264-9-0x000000007729F000-0x00000000772A1000-memory.dmp

memory/2264-8-0x000000007729F000-0x00000000772A0000-memory.dmp

memory/2264-7-0x00000000772A0000-0x00000000772A1000-memory.dmp

memory/2516-12-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2516-13-0x0000000001D10000-0x0000000002710000-memory.dmp

memory/1156-20-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

memory/620-24-0x0000000001EE0000-0x0000000001EE6000-memory.dmp

memory/1212-22-0x0000000002950000-0x0000000002956000-memory.dmp

memory/1100-26-0x00000000770F1000-0x00000000770F2000-memory.dmp

memory/1100-25-0x0000000000190000-0x0000000000196000-memory.dmp

memory/1212-27-0x0000000002950000-0x0000000002956000-memory.dmp

memory/620-29-0x00000000770F1000-0x00000000770F2000-memory.dmp

memory/620-28-0x0000000001EE0000-0x0000000001EE6000-memory.dmp

memory/1156-30-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

memory/2264-35-0x00000000000F0000-0x00000000000F6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-15 03:33

Reported

2024-07-15 03:35

Platform

win10v2004-20240709-en

Max time kernel

118s

Max time network

96s

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-1-5-21-384068567-2943195810-3631207890-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AA528010 = "C:\\Users\\Admin\\AppData\\Roaming\\AA528010\\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\729d135dfe420b7a3030c85c148f40c0N.exe

"C:\Users\Admin\AppData\Local\Temp\729d135dfe420b7a3030c85c148f40c0N.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2160 -ip 2160

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2160 -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 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp

Files

memory/2480-0-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2480-1-0x00000000005E0000-0x00000000005E1000-memory.dmp

memory/3372-3-0x0000000000870000-0x0000000000876000-memory.dmp

memory/3372-2-0x0000000000870000-0x0000000000876000-memory.dmp

memory/2480-4-0x0000000002350000-0x0000000002D50000-memory.dmp

memory/3372-7-0x00007FFC2602D000-0x00007FFC2602E000-memory.dmp

memory/2160-6-0x0000000077582000-0x0000000077583000-memory.dmp

memory/2160-5-0x0000000001370000-0x0000000001376000-memory.dmp

memory/2160-8-0x00007FFC25F90000-0x00007FFC26185000-memory.dmp

memory/3372-9-0x00007FFC261C0000-0x00007FFC261C1000-memory.dmp

memory/2480-10-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2480-11-0x0000000002350000-0x0000000002D50000-memory.dmp

memory/2608-15-0x0000000000B40000-0x0000000000B46000-memory.dmp

memory/2160-16-0x0000000001370000-0x0000000001376000-memory.dmp