Malware Analysis Report

2024-09-09 17:03

Sample ID 240625-fjet1svdkk
Target 31b1c11cae6baa876636c0963a4821c01f16425e6852a74cf6f9bec8b89ce81e_NeikiAnalytics.exe
SHA256 31b1c11cae6baa876636c0963a4821c01f16425e6852a74cf6f9bec8b89ce81e
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

31b1c11cae6baa876636c0963a4821c01f16425e6852a74cf6f9bec8b89ce81e

Threat Level: Known bad

The file 31b1c11cae6baa876636c0963a4821c01f16425e6852a74cf6f9bec8b89ce81e_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

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious use of SendNotifyMessage

Modifies data under HKEY_USERS

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-25 04:53

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-25 04:53

Reported

2024-06-25 04:56

Platform

win7-20240221-en

Max time kernel

148s

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-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\6149AB56 = "C:\\Users\\Admin\\AppData\\Roaming\\6149AB56\\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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2920 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\31b1c11cae6baa876636c0963a4821c01f16425e6852a74cf6f9bec8b89ce81e_NeikiAnalytics.exe C:\Windows\SysWOW64\winver.exe
PID 2920 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\31b1c11cae6baa876636c0963a4821c01f16425e6852a74cf6f9bec8b89ce81e_NeikiAnalytics.exe C:\Windows\SysWOW64\winver.exe
PID 2920 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\31b1c11cae6baa876636c0963a4821c01f16425e6852a74cf6f9bec8b89ce81e_NeikiAnalytics.exe C:\Windows\SysWOW64\winver.exe
PID 2920 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\31b1c11cae6baa876636c0963a4821c01f16425e6852a74cf6f9bec8b89ce81e_NeikiAnalytics.exe C:\Windows\SysWOW64\winver.exe
PID 2920 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\31b1c11cae6baa876636c0963a4821c01f16425e6852a74cf6f9bec8b89ce81e_NeikiAnalytics.exe C:\Windows\SysWOW64\winver.exe
PID 2756 wrote to memory of 1212 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 2756 wrote to memory of 1120 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\taskhost.exe
PID 2756 wrote to memory of 1172 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\Dwm.exe
PID 2756 wrote to memory of 1212 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 2756 wrote to memory of 2920 N/A C:\Windows\SysWOW64\winver.exe C:\Users\Admin\AppData\Local\Temp\31b1c11cae6baa876636c0963a4821c01f16425e6852a74cf6f9bec8b89ce81e_NeikiAnalytics.exe

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\31b1c11cae6baa876636c0963a4821c01f16425e6852a74cf6f9bec8b89ce81e_NeikiAnalytics.exe

"C:\Users\Admin\AppData\Local\Temp\31b1c11cae6baa876636c0963a4821c01f16425e6852a74cf6f9bec8b89ce81e_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
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

Files

memory/1212-3-0x0000000003940000-0x0000000003946000-memory.dmp

memory/1212-6-0x0000000003940000-0x0000000003946000-memory.dmp

memory/2756-4-0x0000000000160000-0x0000000000166000-memory.dmp

memory/1212-1-0x0000000003940000-0x0000000003946000-memory.dmp

memory/2756-20-0x0000000000290000-0x0000000000296000-memory.dmp

memory/1212-15-0x0000000003BB0000-0x0000000003BB6000-memory.dmp

memory/1172-12-0x00000000001B0000-0x00000000001B6000-memory.dmp

memory/1120-9-0x0000000000620000-0x0000000000626000-memory.dmp

memory/2920-22-0x0000000000400000-0x000000000043C000-memory.dmp

memory/1172-25-0x00000000001B0000-0x00000000001B6000-memory.dmp

memory/1120-23-0x0000000000620000-0x0000000000626000-memory.dmp

memory/1212-24-0x0000000003BB0000-0x0000000003BB6000-memory.dmp

memory/2756-27-0x0000000000290000-0x0000000000296000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-25 04:53

Reported

2024-06-25 04:56

Platform

win10v2004-20240508-en

Max time kernel

145s

Max time network

53s

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\31b1c11cae6baa876636c0963a4821c01f16425e6852a74cf6f9bec8b89ce81e_NeikiAnalytics.exe

"C:\Users\Admin\AppData\Local\Temp\31b1c11cae6baa876636c0963a4821c01f16425e6852a74cf6f9bec8b89ce81e_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 404 -p 2416 -ip 2416

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2416 -s 300

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3184 -ip 3184

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3184 -s 864

Network

Files

memory/3184-1-0x0000000004550000-0x0000000004BA8000-memory.dmp

memory/3184-2-0x00000000044F0000-0x00000000044F1000-memory.dmp

memory/3384-4-0x0000000000F60000-0x0000000000F66000-memory.dmp

memory/3384-5-0x0000000000F60000-0x0000000000F66000-memory.dmp

memory/3184-6-0x0000000000400000-0x000000000043C000-memory.dmp

memory/3384-9-0x0000000002E10000-0x0000000002E16000-memory.dmp

memory/3184-12-0x0000000004550000-0x0000000004BA8000-memory.dmp