Malware Analysis Report

2024-09-09 16:58

Sample ID 240601-c3d52sfa2y
Target 8a3c907c04a3d997dd7a5a20e8884ba0_NeikiAnalytics.exe
SHA256 034128a5ed4fae9549e86f7263a90e046e50e8b4a28a877042d23d3d0bf52649
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

034128a5ed4fae9549e86f7263a90e046e50e8b4a28a877042d23d3d0bf52649

Threat Level: Known bad

The file 8a3c907c04a3d997dd7a5a20e8884ba0_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

Suspicious use of AdjustPrivilegeToken

Suspicious use of UnmapMainImage

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-01 02:35

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-01 02:35

Reported

2024-06-01 02:38

Platform

win7-20240220-en

Max time kernel

149s

Max time network

147s

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-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\08CB9C5F = "C:\\Users\\Admin\\AppData\\Roaming\\08CB9C5F\\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
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe 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\Dwm.exe

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

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\taskhost.exe

"taskhost.exe"

C:\Users\Admin\AppData\Local\Temp\8a3c907c04a3d997dd7a5a20e8884ba0_NeikiAnalytics.exe

"C:\Users\Admin\AppData\Local\Temp\8a3c907c04a3d997dd7a5a20e8884ba0_NeikiAnalytics.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
SG 45.77.249.79:80 uyhgqunqkxnx.pw tcp
US 8.8.8.8:53 vcklmnnejwxx.pw udp
US 216.218.185.162:80 vcklmnnejwxx.pw tcp

Files

memory/1728-0-0x0000000000400000-0x000000000041B000-memory.dmp

memory/1728-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1072-3-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

memory/1072-4-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

memory/1072-2-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

memory/1728-5-0x0000000001C20000-0x0000000002620000-memory.dmp

memory/2144-11-0x0000000077300000-0x00000000774A9000-memory.dmp

memory/1072-10-0x0000000077351000-0x0000000077352000-memory.dmp

memory/2144-9-0x00000000774FF000-0x0000000077501000-memory.dmp

memory/2144-8-0x00000000774FF000-0x0000000077500000-memory.dmp

memory/2144-7-0x0000000077500000-0x0000000077501000-memory.dmp

memory/2144-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

memory/1728-12-0x0000000000400000-0x000000000041B000-memory.dmp

memory/1728-13-0x0000000001C20000-0x0000000002620000-memory.dmp

memory/1072-20-0x0000000002D70000-0x0000000002D76000-memory.dmp

memory/1100-23-0x0000000000190000-0x0000000000196000-memory.dmp

memory/1044-24-0x00000000001C0000-0x00000000001C6000-memory.dmp

memory/1072-27-0x0000000002D70000-0x0000000002D76000-memory.dmp

memory/1100-26-0x0000000000190000-0x0000000000196000-memory.dmp

memory/1044-25-0x0000000077351000-0x0000000077352000-memory.dmp

memory/2144-31-0x00000000001F0000-0x00000000001F1000-memory.dmp

memory/2144-32-0x00000000001A0000-0x00000000001A6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-01 02:35

Reported

2024-06-01 02:38

Platform

win10v2004-20240508-en

Max time kernel

140s

Max time network

127s

Command Line

sihost.exe

Signatures

Tinba / TinyBanker

trojan banker tinba

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4A3E98A8 = "C:\\Users\\Admin\\AppData\\Roaming\\4A3E98A8\\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
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
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
N/A N/A C:\Windows\Explorer.EXE N/A
N/A 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\8a3c907c04a3d997dd7a5a20e8884ba0_NeikiAnalytics.exe

"C:\Users\Admin\AppData\Local\Temp\8a3c907c04a3d997dd7a5a20e8884ba0_NeikiAnalytics.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4240,i,13544508926340531097,6671217806016090640,262144 --variations-seed-version --mojo-platform-channel-handle=3984 /prefetch:8

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4444 -ip 4444

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4444 -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 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.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 77.239.69.13.in-addr.arpa udp

Files

memory/3932-0-0x0000000000400000-0x000000000041B000-memory.dmp

memory/3932-1-0x0000000000680000-0x0000000000681000-memory.dmp

memory/3492-3-0x0000000002520000-0x0000000002526000-memory.dmp

memory/3492-2-0x0000000002520000-0x0000000002526000-memory.dmp

memory/3932-4-0x00000000020B0000-0x0000000002AB0000-memory.dmp

memory/3492-7-0x00007FFFCAB2D000-0x00007FFFCAB2E000-memory.dmp

memory/4444-8-0x00007FFFCAA90000-0x00007FFFCAC85000-memory.dmp

memory/4444-6-0x00000000774F2000-0x00000000774F3000-memory.dmp

memory/4444-5-0x0000000000D40000-0x0000000000D46000-memory.dmp

memory/3932-10-0x0000000000400000-0x000000000041B000-memory.dmp

memory/3492-11-0x00007FFFCACC0000-0x00007FFFCACC1000-memory.dmp

memory/3492-12-0x00007FFFCACA0000-0x00007FFFCACA1000-memory.dmp

memory/2528-16-0x0000000000EB0000-0x0000000000EB6000-memory.dmp

memory/4444-17-0x0000000000D40000-0x0000000000D46000-memory.dmp