Malware Analysis Report

2025-01-19 07:23

Sample ID 231220-px6dkaebd8
Target b3e3b0cf24888c7a5bd087ba68518162
SHA256 8dae52db58c1d51d1c42e027d91637bfb075d47f1ea07ed96d651081fcc88ca9
Tags
tinba banker persistence trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

8dae52db58c1d51d1c42e027d91637bfb075d47f1ea07ed96d651081fcc88ca9

Threat Level: Known bad

The file b3e3b0cf24888c7a5bd087ba68518162 was found to be: Known bad.

Malicious Activity Summary

tinba banker persistence trojan

Tinba / TinyBanker

Adds Run key to start application

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-20 12:43

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-20 12:43

Reported

2023-12-20 23:53

Platform

win7-20231215-en

Max time kernel

121s

Max time network

172s

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-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\0133A756 = "C:\\Users\\Admin\\AppData\\Roaming\\0133A756\\bin.exe" C:\Windows\SysWOW64\winver.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2308 set thread context of 2708 N/A C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
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

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2308 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe
PID 2308 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe
PID 2308 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe
PID 2308 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe
PID 2308 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe
PID 2308 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe
PID 2308 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe
PID 2708 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe C:\Windows\SysWOW64\winver.exe
PID 2708 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe C:\Windows\SysWOW64\winver.exe
PID 2708 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe C:\Windows\SysWOW64\winver.exe
PID 2708 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe C:\Windows\SysWOW64\winver.exe
PID 2708 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe C:\Windows\SysWOW64\winver.exe
PID 2812 wrote to memory of 1252 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 2812 wrote to memory of 1116 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\taskhost.exe
PID 2812 wrote to memory of 1196 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\Dwm.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\b3e3b0cf24888c7a5bd087ba68518162.exe

"C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe"

C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe

"C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe"

C:\Windows\SysWOW64\winver.exe

winver

Network

Country Destination Domain Proto
US 8.8.8.8:53 recdataoneveter.cc udp
US 216.218.185.162:80 recdataoneveter.cc tcp
US 8.8.8.8:53 diiqngijkpop.com udp
US 216.218.185.162:80 diiqngijkpop.com tcp
US 8.8.8.8:53 diiqngijkpop.net udp
US 216.218.185.162:80 diiqngijkpop.net tcp
US 8.8.8.8:53 diiqngijkpop.in udp
US 216.218.185.162:80 diiqngijkpop.in tcp
US 8.8.8.8:53 diiqngijkpop.ru udp
US 107.178.223.183:80 diiqngijkpop.ru tcp
US 8.8.8.8:53 hiwxuvuponqw.com udp
US 216.218.185.162:80 hiwxuvuponqw.com tcp
US 8.8.8.8:53 hiwxuvuponqw.net udp
US 216.218.185.162:80 hiwxuvuponqw.net tcp
US 8.8.8.8:53 hiwxuvuponqw.in udp
US 216.218.185.162:80 hiwxuvuponqw.in tcp
US 8.8.8.8:53 hiwxuvuponqw.ru udp
US 162.249.66.200:80 hiwxuvuponqw.ru tcp
US 8.8.8.8:53 qqkmonskrfgn.com udp
US 216.218.185.162:80 qqkmonskrfgn.com tcp
US 8.8.8.8:53 qqkmonskrfgn.net udp
US 216.218.185.162:80 qqkmonskrfgn.net tcp
US 8.8.8.8:53 qqkmonskrfgn.in udp
US 216.218.185.162:80 qqkmonskrfgn.in tcp
US 8.8.8.8:53 qqkmonskrfgn.ru udp
US 8.8.8.8:53 iyyxtyxdeypk.com udp
US 216.218.185.162:80 iyyxtyxdeypk.com tcp
US 8.8.8.8:53 iyyxtyxdeypk.net udp
US 216.218.185.162:80 iyyxtyxdeypk.net tcp
US 8.8.8.8:53 iyyxtyxdeypk.in udp
US 216.218.185.162:80 iyyxtyxdeypk.in tcp
US 8.8.8.8:53 iyyxtyxdeypk.ru udp
US 8.8.8.8:53 xjdnslmpopqd.com udp
US 216.218.185.162:80 xjdnslmpopqd.com tcp

Files

memory/2708-2-0x0000000000400000-0x0000000000405000-memory.dmp

memory/2708-4-0x0000000000530000-0x0000000000F30000-memory.dmp

memory/1252-3-0x00000000024A0000-0x00000000024A6000-memory.dmp

memory/2812-6-0x0000000000090000-0x0000000000096000-memory.dmp

memory/1252-5-0x00000000024A0000-0x00000000024A6000-memory.dmp

memory/2812-9-0x0000000000090000-0x0000000000096000-memory.dmp

memory/2812-10-0x0000000000440000-0x0000000000456000-memory.dmp

memory/1252-8-0x00000000024A0000-0x00000000024A6000-memory.dmp

memory/2812-7-0x0000000000090000-0x0000000000096000-memory.dmp

memory/2812-14-0x0000000077A7F000-0x0000000077A81000-memory.dmp

memory/2812-13-0x0000000077A7F000-0x0000000077A80000-memory.dmp

memory/2812-12-0x0000000077A80000-0x0000000077A81000-memory.dmp

memory/1252-11-0x00000000778D1000-0x00000000778D2000-memory.dmp

memory/2708-17-0x0000000000530000-0x0000000000F30000-memory.dmp

memory/1116-19-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

memory/1116-21-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

memory/1116-23-0x00000000778D1000-0x00000000778D2000-memory.dmp

memory/1196-22-0x0000000001B40000-0x0000000001B46000-memory.dmp

memory/1196-26-0x0000000001B40000-0x0000000001B46000-memory.dmp

memory/2812-27-0x0000000000180000-0x0000000000181000-memory.dmp

memory/2812-28-0x0000000000190000-0x0000000000191000-memory.dmp

memory/2812-32-0x0000000000090000-0x0000000000096000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-20 12:43

Reported

2023-12-20 23:53

Platform

win10v2004-20231215-en

Max time kernel

2s

Max time network

8s

Command Line

C:\Windows\Explorer.EXE

Signatures

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2924 set thread context of 2304 N/A C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.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 FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\winver.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2924 wrote to memory of 2304 N/A C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe
PID 2924 wrote to memory of 2304 N/A C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe
PID 2924 wrote to memory of 2304 N/A C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe
PID 2924 wrote to memory of 2304 N/A C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe
PID 2924 wrote to memory of 2304 N/A C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe
PID 2924 wrote to memory of 2304 N/A C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe
PID 2304 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe C:\Windows\SysWOW64\winver.exe
PID 2304 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe C:\Windows\SysWOW64\winver.exe
PID 2304 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe C:\Windows\SysWOW64\winver.exe
PID 2304 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe C:\Windows\SysWOW64\winver.exe
PID 2996 wrote to memory of 3460 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 2996 wrote to memory of 3016 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\sihost.exe
PID 2996 wrote to memory of 3064 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\svchost.exe

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\svchost.exe

C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc

C:\Windows\system32\sihost.exe

sihost.exe

C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe

"C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe"

C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe

"C:\Users\Admin\AppData\Local\Temp\b3e3b0cf24888c7a5bd087ba68518162.exe"

C:\Windows\SysWOW64\winver.exe

winver

Network

Country Destination Domain Proto
US 138.91.171.81:80 tcp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 83.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 recdataoneveter.cc udp

Files

memory/2304-2-0x0000000000400000-0x0000000000405000-memory.dmp

memory/3460-3-0x0000000002060000-0x0000000002066000-memory.dmp

memory/2996-6-0x00000000005C0000-0x00000000005C6000-memory.dmp

memory/3460-5-0x0000000002060000-0x0000000002066000-memory.dmp

memory/2996-4-0x00000000005C0000-0x00000000005C6000-memory.dmp

memory/2304-7-0x00000000006C0000-0x00000000010C0000-memory.dmp

memory/2996-8-0x00000000005C0000-0x00000000005C6000-memory.dmp

memory/3460-9-0x00007FF846B0D000-0x00007FF846B0E000-memory.dmp

memory/2996-10-0x0000000077472000-0x0000000077473000-memory.dmp

memory/2996-11-0x0000000000AF0000-0x0000000000B02000-memory.dmp

memory/2304-14-0x00000000006C0000-0x00000000010C0000-memory.dmp

memory/3016-15-0x0000000000700000-0x0000000000706000-memory.dmp

memory/3064-16-0x00000000001E0000-0x00000000001E6000-memory.dmp

memory/3016-17-0x0000000000700000-0x0000000000706000-memory.dmp

memory/3064-19-0x00000000001E0000-0x00000000001E6000-memory.dmp

memory/2596-18-0x00000000001D0000-0x00000000001D6000-memory.dmp

memory/3460-20-0x00000000006C0000-0x00000000006C6000-memory.dmp

memory/3608-22-0x00000000001B0000-0x00000000001B6000-memory.dmp

memory/3460-23-0x00000000006C0000-0x00000000006C6000-memory.dmp

memory/3788-24-0x0000000000050000-0x0000000000056000-memory.dmp