Malware Analysis Report

2024-09-09 17:07

Sample ID 240717-eeqkaaxerd
Target 625991c66df37128ead7a649114e1a10N.exe
SHA256 dc2eece210f3bcf0c0bff0149e90f4c0fd84f1c60961840a16963bd96628e356
Tags
tinba banker persistence trojan upx
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

dc2eece210f3bcf0c0bff0149e90f4c0fd84f1c60961840a16963bd96628e356

Threat Level: Known bad

The file 625991c66df37128ead7a649114e1a10N.exe was found to be: Known bad.

Malicious Activity Summary

tinba banker persistence trojan upx

Tinba / TinyBanker

UPX packed file

Adds Run key to start application

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of UnmapMainImage

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-07-17 03:51

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

2024-07-17 03:51

Reported

2024-07-17 03:53

Platform

win7-20240708-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-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\64459E79 = "C:\\Users\\Admin\\AppData\\Roaming\\64459E79\\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\625991c66df37128ead7a649114e1a10N.exe

"C:\Users\Admin\AppData\Local\Temp\625991c66df37128ead7a649114e1a10N.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/2636-0-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2636-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1252-4-0x00000000025E0000-0x00000000025E6000-memory.dmp

memory/1252-3-0x00000000025E0000-0x00000000025E6000-memory.dmp

memory/1252-2-0x00000000025E0000-0x00000000025E6000-memory.dmp

memory/2636-5-0x0000000001E00000-0x0000000002800000-memory.dmp

memory/2676-6-0x0000000000120000-0x0000000000126000-memory.dmp

memory/2676-7-0x00000000771C0000-0x00000000771C1000-memory.dmp

memory/2676-8-0x00000000771BF000-0x00000000771C0000-memory.dmp

memory/2676-9-0x00000000771BF000-0x00000000771C1000-memory.dmp

memory/1252-10-0x0000000077011000-0x0000000077012000-memory.dmp

memory/2676-11-0x0000000076FC0000-0x0000000077169000-memory.dmp

memory/2636-12-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2636-13-0x0000000001E00000-0x0000000002800000-memory.dmp

memory/888-23-0x0000000001D70000-0x0000000001D76000-memory.dmp

memory/1252-21-0x00000000024D0000-0x00000000024D6000-memory.dmp

memory/1200-19-0x0000000000230000-0x0000000000236000-memory.dmp

memory/1252-24-0x00000000024D0000-0x00000000024D6000-memory.dmp

memory/1200-29-0x0000000000230000-0x0000000000236000-memory.dmp

memory/1120-28-0x0000000077011000-0x0000000077012000-memory.dmp

memory/1120-27-0x00000000020B0000-0x00000000020B6000-memory.dmp

memory/888-26-0x0000000077011000-0x0000000077012000-memory.dmp

memory/888-25-0x0000000001D70000-0x0000000001D76000-memory.dmp

memory/2676-34-0x0000000000120000-0x0000000000126000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-17 03:51

Reported

2024-07-17 03:53

Platform

win10v2004-20240709-en

Max time kernel

118s

Max time network

95s

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-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\D37EE8D4 = "C:\\Users\\Admin\\AppData\\Roaming\\D37EE8D4\\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\625991c66df37128ead7a649114e1a10N.exe

"C:\Users\Admin\AppData\Local\Temp\625991c66df37128ead7a649114e1a10N.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3896 -ip 3896

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3896 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp

Files

memory/2136-0-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2136-1-0x00000000005B0000-0x00000000005B1000-memory.dmp

memory/3472-3-0x0000000000AD0000-0x0000000000AD6000-memory.dmp

memory/3472-2-0x0000000000AD0000-0x0000000000AD6000-memory.dmp

memory/2136-4-0x00000000022C0000-0x0000000002CC0000-memory.dmp

memory/3472-6-0x00007FF8BD4CD000-0x00007FF8BD4CE000-memory.dmp

memory/3896-5-0x00000000771B2000-0x00000000771B3000-memory.dmp

memory/3896-7-0x00007FF8BD430000-0x00007FF8BD625000-memory.dmp

memory/2136-8-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2136-9-0x00000000022C0000-0x0000000002CC0000-memory.dmp

memory/3472-10-0x00007FF8BD660000-0x00007FF8BD661000-memory.dmp

memory/3896-12-0x0000000002C80000-0x0000000002C86000-memory.dmp

memory/3052-14-0x0000000000F70000-0x0000000000F76000-memory.dmp

memory/3896-15-0x0000000002C80000-0x0000000002C86000-memory.dmp

memory/3052-17-0x00007FF8BD650000-0x00007FF8BD651000-memory.dmp