Malware Analysis Report

2024-09-09 16:58

Sample ID 240521-htn7jscb86
Target 15b72f02545cc6787b82ef5c830080436d1b8af726fd5b88b75bf2e8f7bbfecb_NeikiAnalytics
SHA256 15b72f02545cc6787b82ef5c830080436d1b8af726fd5b88b75bf2e8f7bbfecb
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

15b72f02545cc6787b82ef5c830080436d1b8af726fd5b88b75bf2e8f7bbfecb

Threat Level: Known bad

The file 15b72f02545cc6787b82ef5c830080436d1b8af726fd5b88b75bf2e8f7bbfecb_NeikiAnalytics was found to be: Known bad.

Malicious Activity Summary

tinba banker persistence trojan

Tinba / TinyBanker

Adds Run key to start application

Unsigned PE

Enumerates physical storage devices

Program crash

Modifies data under HKEY_USERS

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of UnmapMainImage

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-05-21 07:01

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-21 07:01

Reported

2024-05-21 08:18

Platform

win7-20240419-en

Max time kernel

148s

Max time network

152s

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-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Run\1F91D655 = "C:\\Users\\Admin\\AppData\\Roaming\\1F91D655\\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 3008 wrote to memory of 1616 N/A C:\Users\Admin\AppData\Local\Temp\15b72f02545cc6787b82ef5c830080436d1b8af726fd5b88b75bf2e8f7bbfecb_NeikiAnalytics.exe C:\Windows\SysWOW64\winver.exe
PID 3008 wrote to memory of 1616 N/A C:\Users\Admin\AppData\Local\Temp\15b72f02545cc6787b82ef5c830080436d1b8af726fd5b88b75bf2e8f7bbfecb_NeikiAnalytics.exe C:\Windows\SysWOW64\winver.exe
PID 3008 wrote to memory of 1616 N/A C:\Users\Admin\AppData\Local\Temp\15b72f02545cc6787b82ef5c830080436d1b8af726fd5b88b75bf2e8f7bbfecb_NeikiAnalytics.exe C:\Windows\SysWOW64\winver.exe
PID 3008 wrote to memory of 1616 N/A C:\Users\Admin\AppData\Local\Temp\15b72f02545cc6787b82ef5c830080436d1b8af726fd5b88b75bf2e8f7bbfecb_NeikiAnalytics.exe C:\Windows\SysWOW64\winver.exe
PID 3008 wrote to memory of 1616 N/A C:\Users\Admin\AppData\Local\Temp\15b72f02545cc6787b82ef5c830080436d1b8af726fd5b88b75bf2e8f7bbfecb_NeikiAnalytics.exe C:\Windows\SysWOW64\winver.exe
PID 1616 wrote to memory of 1228 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 1616 wrote to memory of 1108 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\taskhost.exe
PID 1616 wrote to memory of 1168 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\Dwm.exe
PID 1616 wrote to memory of 1228 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 1616 wrote to memory of 3008 N/A C:\Windows\SysWOW64\winver.exe C:\Users\Admin\AppData\Local\Temp\15b72f02545cc6787b82ef5c830080436d1b8af726fd5b88b75bf2e8f7bbfecb_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\15b72f02545cc6787b82ef5c830080436d1b8af726fd5b88b75bf2e8f7bbfecb_NeikiAnalytics.exe

"C:\Users\Admin\AppData\Local\Temp\15b72f02545cc6787b82ef5c830080436d1b8af726fd5b88b75bf2e8f7bbfecb_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/1228-3-0x0000000002D40000-0x0000000002D46000-memory.dmp

memory/1228-1-0x0000000002D40000-0x0000000002D46000-memory.dmp

memory/1228-6-0x0000000002D40000-0x0000000002D46000-memory.dmp

memory/1616-4-0x0000000000340000-0x0000000000346000-memory.dmp

memory/3008-8-0x0000000000400000-0x000000000043C000-memory.dmp

memory/1108-11-0x0000000000450000-0x0000000000456000-memory.dmp

memory/1228-17-0x0000000002D50000-0x0000000002D56000-memory.dmp

memory/1168-14-0x00000000001B0000-0x00000000001B6000-memory.dmp

memory/1616-22-0x0000000001B20000-0x0000000001B26000-memory.dmp

memory/1168-25-0x00000000001B0000-0x00000000001B6000-memory.dmp

memory/1228-24-0x0000000002D50000-0x0000000002D56000-memory.dmp

memory/1108-23-0x0000000000450000-0x0000000000456000-memory.dmp

memory/1616-27-0x0000000001B20000-0x0000000001B26000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-21 07:01

Reported

2024-05-21 08:18

Platform

win10v2004-20240426-en

Max time kernel

147s

Max time network

105s

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\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 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\15b72f02545cc6787b82ef5c830080436d1b8af726fd5b88b75bf2e8f7bbfecb_NeikiAnalytics.exe

"C:\Users\Admin\AppData\Local\Temp\15b72f02545cc6787b82ef5c830080436d1b8af726fd5b88b75bf2e8f7bbfecb_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 4768 -ip 4768

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4768 -s 300

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1204 -ip 1204

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1204 -s 812

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.72:443 www.bing.com tcp
US 8.8.8.8:53 11.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 72.61.62.23.in-addr.arpa udp
NL 23.62.61.72:443 www.bing.com tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 elitiorecfreetoo.cc udp
US 8.8.8.8:53 242.137.73.23.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 194.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp

Files

memory/1204-2-0x00000000044E0000-0x00000000044E1000-memory.dmp

memory/1204-1-0x0000000004530000-0x0000000004B88000-memory.dmp

memory/3536-5-0x00000000014C0000-0x00000000014C6000-memory.dmp

memory/3536-4-0x00000000014C0000-0x00000000014C6000-memory.dmp

memory/1204-6-0x0000000000400000-0x000000000043C000-memory.dmp

memory/3536-10-0x00000000034D0000-0x00000000034D6000-memory.dmp

memory/1204-11-0x0000000005740000-0x0000000006140000-memory.dmp

memory/2476-13-0x00000000007F0000-0x00000000007F6000-memory.dmp

memory/1204-14-0x0000000005740000-0x0000000006140000-memory.dmp

memory/1204-18-0x0000000004530000-0x0000000004B88000-memory.dmp

memory/2476-19-0x00000000007F0000-0x00000000007F6000-memory.dmp