Malware Analysis Report

2024-09-09 17:05

Sample ID 240701-e4yxysweqd
Target 356de79c9d5bf1d6307523ba0a8354ba54ef635146c2186546ec0970c80646a0_NeikiAnalytics.exe
SHA256 356de79c9d5bf1d6307523ba0a8354ba54ef635146c2186546ec0970c80646a0
Tags
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

356de79c9d5bf1d6307523ba0a8354ba54ef635146c2186546ec0970c80646a0

Threat Level: Known bad

The file 356de79c9d5bf1d6307523ba0a8354ba54ef635146c2186546ec0970c80646a0_NeikiAnalytics.exe was found to be: Known bad.

Malicious Activity Summary

tinba banker persistence trojan

Tinba / TinyBanker

Adds Run key to start application

Program crash

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Modifies data under HKEY_USERS

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-07-01 04:30

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-01 04:30

Reported

2024-07-01 04:32

Platform

win7-20240611-en

Max time kernel

148s

Max time network

151s

Command Line

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

Signatures

Tinba / TinyBanker

trojan banker tinba

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Windows\CurrentVersion\Run\78332C8F = "C:\\Users\\Admin\\AppData\\Roaming\\78332C8F\\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
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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2172 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\356de79c9d5bf1d6307523ba0a8354ba54ef635146c2186546ec0970c80646a0_NeikiAnalytics.exe C:\Windows\SysWOW64\winver.exe
PID 2172 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\356de79c9d5bf1d6307523ba0a8354ba54ef635146c2186546ec0970c80646a0_NeikiAnalytics.exe C:\Windows\SysWOW64\winver.exe
PID 2172 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\356de79c9d5bf1d6307523ba0a8354ba54ef635146c2186546ec0970c80646a0_NeikiAnalytics.exe C:\Windows\SysWOW64\winver.exe
PID 2172 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\356de79c9d5bf1d6307523ba0a8354ba54ef635146c2186546ec0970c80646a0_NeikiAnalytics.exe C:\Windows\SysWOW64\winver.exe
PID 2172 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\356de79c9d5bf1d6307523ba0a8354ba54ef635146c2186546ec0970c80646a0_NeikiAnalytics.exe C:\Windows\SysWOW64\winver.exe
PID 2712 wrote to memory of 1132 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 2712 wrote to memory of 1044 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\Dwm.exe
PID 2712 wrote to memory of 1060 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\taskhost.exe
PID 2712 wrote to memory of 1132 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 2712 wrote to memory of 2172 N/A C:\Windows\SysWOW64\winver.exe C:\Users\Admin\AppData\Local\Temp\356de79c9d5bf1d6307523ba0a8354ba54ef635146c2186546ec0970c80646a0_NeikiAnalytics.exe

Processes

C:\Windows\system32\Dwm.exe

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

C:\Windows\system32\taskhost.exe

"taskhost.exe"

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\356de79c9d5bf1d6307523ba0a8354ba54ef635146c2186546ec0970c80646a0_NeikiAnalytics.exe

"C:\Users\Admin\AppData\Local\Temp\356de79c9d5bf1d6307523ba0a8354ba54ef635146c2186546ec0970c80646a0_NeikiAnalytics.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

Files

memory/1132-1-0x0000000002550000-0x0000000002556000-memory.dmp

memory/1132-6-0x0000000002550000-0x0000000002556000-memory.dmp

memory/2712-5-0x0000000000160000-0x0000000000166000-memory.dmp

memory/1132-3-0x0000000002550000-0x0000000002556000-memory.dmp

memory/2712-4-0x0000000000160000-0x0000000000166000-memory.dmp

memory/1060-12-0x00000000001A0000-0x00000000001A6000-memory.dmp

memory/2712-20-0x0000000000220000-0x0000000000226000-memory.dmp

memory/1044-9-0x00000000001B0000-0x00000000001B6000-memory.dmp

memory/1132-15-0x0000000002560000-0x0000000002566000-memory.dmp

memory/2172-22-0x0000000000400000-0x000000000043C000-memory.dmp

memory/1060-25-0x00000000001A0000-0x00000000001A6000-memory.dmp

memory/1132-24-0x0000000002560000-0x0000000002566000-memory.dmp

memory/1044-23-0x00000000001B0000-0x00000000001B6000-memory.dmp

memory/2712-27-0x0000000000220000-0x0000000000226000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-01 04:30

Reported

2024-07-01 04:33

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

150s

Command Line

C:\Windows\Explorer.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\2a\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client" C:\Windows\System32\svchost.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
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeCreatePagefilePrivilege 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
N/A N/A C:\Windows\Explorer.EXE N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\356de79c9d5bf1d6307523ba0a8354ba54ef635146c2186546ec0970c80646a0_NeikiAnalytics.exe

"C:\Users\Admin\AppData\Local\Temp\356de79c9d5bf1d6307523ba0a8354ba54ef635146c2186546ec0970c80646a0_NeikiAnalytics.exe"

C:\Windows\System32\svchost.exe

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

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1728 -ip 1728

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1728 -s 300

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3836 -ip 3836

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3836 -s 896

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

memory/3836-1-0x0000000004790000-0x0000000004DE8000-memory.dmp

memory/3836-2-0x0000000003D90000-0x0000000003D91000-memory.dmp

memory/3432-4-0x0000000000D60000-0x0000000000D66000-memory.dmp

memory/3432-5-0x0000000000D60000-0x0000000000D66000-memory.dmp

memory/3836-6-0x0000000000400000-0x000000000043C000-memory.dmp

memory/3432-9-0x0000000002FA0000-0x0000000002FA6000-memory.dmp

memory/3836-12-0x0000000004790000-0x0000000004DE8000-memory.dmp