Malware Analysis Report

2024-07-28 12:18

Sample ID 240701-fsw5naxbqe
Target 37a5ef2f525e7568dc26ad76063e4bb3acc9b80ef12150dc4c765e06c95cfb6e_NeikiAnalytics.exe
SHA256 37a5ef2f525e7568dc26ad76063e4bb3acc9b80ef12150dc4c765e06c95cfb6e
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

37a5ef2f525e7568dc26ad76063e4bb3acc9b80ef12150dc4c765e06c95cfb6e

Threat Level: Known bad

The file 37a5ef2f525e7568dc26ad76063e4bb3acc9b80ef12150dc4c765e06c95cfb6e_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 FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

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

2024-07-01 05:08

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-01 05:08

Reported

2024-07-01 05:11

Platform

win7-20240508-en

Max time kernel

149s

Max time network

150s

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-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\4FB0A5ED = "C:\\Users\\Admin\\AppData\\Roaming\\4FB0A5ED\\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 1792 wrote to memory of 3016 N/A C:\Users\Admin\AppData\Local\Temp\37a5ef2f525e7568dc26ad76063e4bb3acc9b80ef12150dc4c765e06c95cfb6e_NeikiAnalytics.exe C:\Windows\SysWOW64\winver.exe
PID 1792 wrote to memory of 3016 N/A C:\Users\Admin\AppData\Local\Temp\37a5ef2f525e7568dc26ad76063e4bb3acc9b80ef12150dc4c765e06c95cfb6e_NeikiAnalytics.exe C:\Windows\SysWOW64\winver.exe
PID 1792 wrote to memory of 3016 N/A C:\Users\Admin\AppData\Local\Temp\37a5ef2f525e7568dc26ad76063e4bb3acc9b80ef12150dc4c765e06c95cfb6e_NeikiAnalytics.exe C:\Windows\SysWOW64\winver.exe
PID 1792 wrote to memory of 3016 N/A C:\Users\Admin\AppData\Local\Temp\37a5ef2f525e7568dc26ad76063e4bb3acc9b80ef12150dc4c765e06c95cfb6e_NeikiAnalytics.exe C:\Windows\SysWOW64\winver.exe
PID 1792 wrote to memory of 3016 N/A C:\Users\Admin\AppData\Local\Temp\37a5ef2f525e7568dc26ad76063e4bb3acc9b80ef12150dc4c765e06c95cfb6e_NeikiAnalytics.exe C:\Windows\SysWOW64\winver.exe
PID 3016 wrote to memory of 1196 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 3016 wrote to memory of 1120 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\taskhost.exe
PID 3016 wrote to memory of 1172 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\Dwm.exe
PID 3016 wrote to memory of 1196 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\37a5ef2f525e7568dc26ad76063e4bb3acc9b80ef12150dc4c765e06c95cfb6e_NeikiAnalytics.exe

"C:\Users\Admin\AppData\Local\Temp\37a5ef2f525e7568dc26ad76063e4bb3acc9b80ef12150dc4c765e06c95cfb6e_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
US 104.131.68.180:80 uyhgqunqkxnx.pw tcp
US 8.8.8.8:53 vcklmnnejwxx.pw udp
US 216.218.185.162:80 vcklmnnejwxx.pw tcp

Files

memory/1792-0-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1196-3-0x0000000002E30000-0x0000000002E36000-memory.dmp

memory/1792-4-0x0000000001C30000-0x0000000002630000-memory.dmp

memory/1196-2-0x0000000002E30000-0x0000000002E36000-memory.dmp

memory/1196-9-0x0000000077531000-0x0000000077532000-memory.dmp

memory/3016-8-0x00000000776DF000-0x00000000776E1000-memory.dmp

memory/3016-7-0x00000000776DF000-0x00000000776E0000-memory.dmp

memory/3016-10-0x00000000774E0000-0x0000000077689000-memory.dmp

memory/3016-6-0x00000000776E0000-0x00000000776E1000-memory.dmp

memory/3016-5-0x00000000000F0000-0x00000000000F6000-memory.dmp

memory/1196-1-0x0000000002E30000-0x0000000002E36000-memory.dmp

memory/1792-11-0x0000000000400000-0x000000000041A000-memory.dmp

memory/1792-12-0x0000000001C30000-0x0000000002630000-memory.dmp

memory/1196-21-0x0000000002A60000-0x0000000002A66000-memory.dmp

memory/1172-19-0x00000000001B0000-0x00000000001B6000-memory.dmp

memory/1196-25-0x0000000002A60000-0x0000000002A66000-memory.dmp

memory/1172-24-0x00000000001B0000-0x00000000001B6000-memory.dmp

memory/1120-23-0x0000000077531000-0x0000000077532000-memory.dmp

memory/1120-22-0x0000000000210000-0x0000000000216000-memory.dmp

memory/3016-29-0x0000000000520000-0x0000000000521000-memory.dmp

memory/3016-30-0x00000000000F0000-0x00000000000F6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-01 05:08

Reported

2024-07-01 05:11

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

97s

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-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FA354D37 = "C:\\Users\\Admin\\AppData\\Roaming\\FA354D37\\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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3888 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\37a5ef2f525e7568dc26ad76063e4bb3acc9b80ef12150dc4c765e06c95cfb6e_NeikiAnalytics.exe C:\Windows\SysWOW64\winver.exe
PID 3888 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\37a5ef2f525e7568dc26ad76063e4bb3acc9b80ef12150dc4c765e06c95cfb6e_NeikiAnalytics.exe C:\Windows\SysWOW64\winver.exe
PID 3888 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\37a5ef2f525e7568dc26ad76063e4bb3acc9b80ef12150dc4c765e06c95cfb6e_NeikiAnalytics.exe C:\Windows\SysWOW64\winver.exe
PID 3888 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\37a5ef2f525e7568dc26ad76063e4bb3acc9b80ef12150dc4c765e06c95cfb6e_NeikiAnalytics.exe C:\Windows\SysWOW64\winver.exe
PID 2068 wrote to memory of 3556 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 2068 wrote to memory of 2580 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\37a5ef2f525e7568dc26ad76063e4bb3acc9b80ef12150dc4c765e06c95cfb6e_NeikiAnalytics.exe

"C:\Users\Admin\AppData\Local\Temp\37a5ef2f525e7568dc26ad76063e4bb3acc9b80ef12150dc4c765e06c95cfb6e_NeikiAnalytics.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 2068 -ip 2068

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2068 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 80.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/3556-2-0x0000000000B40000-0x0000000000B46000-memory.dmp

memory/3556-1-0x0000000000B40000-0x0000000000B46000-memory.dmp

memory/3888-0-0x0000000002160000-0x0000000002161000-memory.dmp

memory/2068-6-0x00007FF90BFD0000-0x00007FF90C1C5000-memory.dmp

memory/3556-5-0x00007FF90C06D000-0x00007FF90C06E000-memory.dmp

memory/2068-4-0x0000000076F12000-0x0000000076F13000-memory.dmp

memory/3888-3-0x00000000021B0000-0x0000000002BB0000-memory.dmp

memory/3888-7-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2068-9-0x0000000001000000-0x0000000001006000-memory.dmp

memory/2580-11-0x0000000000520000-0x0000000000526000-memory.dmp

memory/2068-12-0x0000000001000000-0x0000000001006000-memory.dmp