Malware Analysis Report

2024-07-28 12:18

Sample ID 240629-d7v5sstbpr
Target 5b33a673fa5fb571b0f3d642864dc99c4d03af02d5619a6900768d2536e7900e_NeikiAnalytics.exe
SHA256 5b33a673fa5fb571b0f3d642864dc99c4d03af02d5619a6900768d2536e7900e
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

5b33a673fa5fb571b0f3d642864dc99c4d03af02d5619a6900768d2536e7900e

Threat Level: Known bad

The file 5b33a673fa5fb571b0f3d642864dc99c4d03af02d5619a6900768d2536e7900e_NeikiAnalytics.exe was found to be: Known bad.

Malicious Activity Summary

tinba banker persistence trojan

Tinba / TinyBanker

Adds Run key to start application

Unsigned PE

Program crash

Suspicious use of FindShellTrayWindow

Suspicious use of AdjustPrivilegeToken

Suspicious use of SendNotifyMessage

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Boot or Logon Autostart Execution
T1547
Registry Run Keys / Startup Folder
T1547.001
Privilege Escalation
TA0004
Boot or Logon Autostart Execution
T1547
Registry Run Keys / Startup Folder
T1547.001
Defense Evasion
TA0005
Modify Registry
T1112
Credential Access
TA0006
Discovery
TA0007
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-06-29 03:39

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-29 03:39

Reported

2024-06-29 03:42

Platform

win7-20240611-en

Max time kernel

149s

Max time network

148s

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-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Windows\CurrentVersion\Run\A1BC3EA7 = "C:\\Users\\Admin\\AppData\\Roaming\\A1BC3EA7\\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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2108 wrote to memory of 1560 N/A C:\Users\Admin\AppData\Local\Temp\5b33a673fa5fb571b0f3d642864dc99c4d03af02d5619a6900768d2536e7900e_NeikiAnalytics.exe C:\Windows\SysWOW64\winver.exe
PID 2108 wrote to memory of 1560 N/A C:\Users\Admin\AppData\Local\Temp\5b33a673fa5fb571b0f3d642864dc99c4d03af02d5619a6900768d2536e7900e_NeikiAnalytics.exe C:\Windows\SysWOW64\winver.exe
PID 2108 wrote to memory of 1560 N/A C:\Users\Admin\AppData\Local\Temp\5b33a673fa5fb571b0f3d642864dc99c4d03af02d5619a6900768d2536e7900e_NeikiAnalytics.exe C:\Windows\SysWOW64\winver.exe
PID 2108 wrote to memory of 1560 N/A C:\Users\Admin\AppData\Local\Temp\5b33a673fa5fb571b0f3d642864dc99c4d03af02d5619a6900768d2536e7900e_NeikiAnalytics.exe C:\Windows\SysWOW64\winver.exe
PID 2108 wrote to memory of 1560 N/A C:\Users\Admin\AppData\Local\Temp\5b33a673fa5fb571b0f3d642864dc99c4d03af02d5619a6900768d2536e7900e_NeikiAnalytics.exe C:\Windows\SysWOW64\winver.exe
PID 1560 wrote to memory of 1200 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 1560 wrote to memory of 1108 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\taskhost.exe
PID 1560 wrote to memory of 1172 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\Dwm.exe
PID 1560 wrote to memory of 1200 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.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\5b33a673fa5fb571b0f3d642864dc99c4d03af02d5619a6900768d2536e7900e_NeikiAnalytics.exe

"C:\Users\Admin\AppData\Local\Temp\5b33a673fa5fb571b0f3d642864dc99c4d03af02d5619a6900768d2536e7900e_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

Files

memory/2108-0-0x0000000000400000-0x0000000000413000-memory.dmp

memory/2108-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1200-4-0x00000000025C0000-0x00000000025C6000-memory.dmp

memory/1200-3-0x00000000025C0000-0x00000000025C6000-memory.dmp

memory/1200-2-0x00000000025C0000-0x00000000025C6000-memory.dmp

memory/1560-11-0x0000000076EC0000-0x0000000077069000-memory.dmp

memory/1200-10-0x0000000076F11000-0x0000000076F12000-memory.dmp

memory/1560-9-0x00000000770BF000-0x00000000770C1000-memory.dmp

memory/1560-8-0x00000000770BF000-0x00000000770C0000-memory.dmp

memory/1560-7-0x00000000770C0000-0x00000000770C1000-memory.dmp

memory/1560-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

memory/2108-5-0x0000000001FB0000-0x00000000029B0000-memory.dmp

memory/2108-12-0x0000000000400000-0x0000000000413000-memory.dmp

memory/2108-13-0x0000000001FB0000-0x00000000029B0000-memory.dmp

memory/1172-21-0x00000000001B0000-0x00000000001B6000-memory.dmp

memory/1200-23-0x00000000025A0000-0x00000000025A6000-memory.dmp

memory/1200-24-0x00000000025A0000-0x00000000025A6000-memory.dmp

memory/1172-27-0x00000000001B0000-0x00000000001B6000-memory.dmp

memory/1108-26-0x0000000076F11000-0x0000000076F12000-memory.dmp

memory/1108-25-0x0000000000410000-0x0000000000416000-memory.dmp

memory/1560-31-0x00000000001A0000-0x00000000001A6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-29 03:39

Reported

2024-06-29 03:42

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

151s

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-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\B31F2AD5 = "C:\\Users\\Admin\\AppData\\Roaming\\B31F2AD5\\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
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

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4872 wrote to memory of 1904 N/A C:\Users\Admin\AppData\Local\Temp\5b33a673fa5fb571b0f3d642864dc99c4d03af02d5619a6900768d2536e7900e_NeikiAnalytics.exe C:\Windows\SysWOW64\winver.exe
PID 4872 wrote to memory of 1904 N/A C:\Users\Admin\AppData\Local\Temp\5b33a673fa5fb571b0f3d642864dc99c4d03af02d5619a6900768d2536e7900e_NeikiAnalytics.exe C:\Windows\SysWOW64\winver.exe
PID 4872 wrote to memory of 1904 N/A C:\Users\Admin\AppData\Local\Temp\5b33a673fa5fb571b0f3d642864dc99c4d03af02d5619a6900768d2536e7900e_NeikiAnalytics.exe C:\Windows\SysWOW64\winver.exe
PID 4872 wrote to memory of 1904 N/A C:\Users\Admin\AppData\Local\Temp\5b33a673fa5fb571b0f3d642864dc99c4d03af02d5619a6900768d2536e7900e_NeikiAnalytics.exe C:\Windows\SysWOW64\winver.exe
PID 1904 wrote to memory of 3532 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 1904 wrote to memory of 2616 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\sihost.exe

Processes

C:\Windows\system32\sihost.exe

sihost.exe

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\5b33a673fa5fb571b0f3d642864dc99c4d03af02d5619a6900768d2536e7900e_NeikiAnalytics.exe

"C:\Users\Admin\AppData\Local\Temp\5b33a673fa5fb571b0f3d642864dc99c4d03af02d5619a6900768d2536e7900e_NeikiAnalytics.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 372 -p 1904 -ip 1904

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1904 -s 352

Network

Country Destination Domain Proto
NL 52.142.223.178:80 tcp

Files

memory/4872-0-0x0000000000400000-0x0000000000413000-memory.dmp

memory/4872-1-0x0000000000411000-0x0000000000412000-memory.dmp

memory/4872-2-0x0000000000400000-0x0000000000413000-memory.dmp

memory/3532-3-0x0000000002BD0000-0x0000000002BD6000-memory.dmp

memory/3532-4-0x0000000002BD0000-0x0000000002BD6000-memory.dmp

memory/1904-5-0x0000000000EC0000-0x0000000000EC6000-memory.dmp

memory/3532-7-0x00007FFDD52CD000-0x00007FFDD52CE000-memory.dmp

memory/1904-6-0x0000000077352000-0x0000000077353000-memory.dmp

memory/2616-12-0x0000000000E50000-0x0000000000E56000-memory.dmp

memory/1904-13-0x0000000000EC0000-0x0000000000EC6000-memory.dmp

memory/3532-15-0x00007FFDD5440000-0x00007FFDD5441000-memory.dmp