Malware Analysis Report

2025-01-19 07:32

Sample ID 231105-cj7cgsbe46
Target NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe
SHA256 aab77049b3e86f02f087afb73a07421c0902ce70461e1f3032acacc58ed3d5f0
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

aab77049b3e86f02f087afb73a07421c0902ce70461e1f3032acacc58ed3d5f0

Threat Level: Known bad

The file NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe 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 use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-11-05 02:07

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-11-05 02:07

Reported

2023-11-05 02:10

Platform

win7-20231020-en

Max time kernel

150s

Max time network

150s

Command Line

winver

Signatures

Tinba / TinyBanker

trojan banker tinba

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Windows\CurrentVersion\Run\1716F05D = "C:\\Users\\Admin\\AppData\\Roaming\\1716F05D\\bin.exe" C:\Windows\SysWOW64\winver.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2152 set thread context of 1408 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.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
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 behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A 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 SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2152 wrote to memory of 1408 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe
PID 2152 wrote to memory of 1408 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe
PID 2152 wrote to memory of 1408 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe
PID 2152 wrote to memory of 1408 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe
PID 2152 wrote to memory of 1408 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe
PID 2152 wrote to memory of 1408 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe
PID 2152 wrote to memory of 1408 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe
PID 1408 wrote to memory of 1984 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe C:\Windows\SysWOW64\winver.exe
PID 1408 wrote to memory of 1984 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe C:\Windows\SysWOW64\winver.exe
PID 1408 wrote to memory of 1984 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe C:\Windows\SysWOW64\winver.exe
PID 1408 wrote to memory of 1984 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe C:\Windows\SysWOW64\winver.exe
PID 1408 wrote to memory of 1984 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe C:\Windows\SysWOW64\winver.exe
PID 1984 wrote to memory of 1344 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 1984 wrote to memory of 1192 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\taskhost.exe
PID 1984 wrote to memory of 1292 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\Dwm.exe
PID 1984 wrote to memory of 1344 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 1984 wrote to memory of 2408 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\DllHost.exe

Processes

C:\Windows\SysWOW64\winver.exe

winver

C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe"

C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe"

C:\Windows\system32\DllHost.exe

C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\Dwm.exe

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

C:\Windows\system32\taskhost.exe

"taskhost.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 recdataoneveter.cc udp
US 216.218.185.162:80 recdataoneveter.cc tcp

Files

memory/2408-33-0x0000000000240000-0x0000000000246000-memory.dmp

memory/2408-32-0x0000000077471000-0x0000000077472000-memory.dmp

memory/1344-31-0x00000000025B0000-0x00000000025B6000-memory.dmp

memory/2408-30-0x0000000000240000-0x0000000000246000-memory.dmp

memory/1344-28-0x00000000025B0000-0x00000000025B6000-memory.dmp

memory/1292-27-0x0000000000120000-0x0000000000126000-memory.dmp

memory/1192-24-0x0000000077471000-0x0000000077472000-memory.dmp

memory/1192-23-0x00000000003D0000-0x00000000003D6000-memory.dmp

memory/1292-22-0x0000000000120000-0x0000000000126000-memory.dmp

memory/1192-20-0x00000000003D0000-0x00000000003D6000-memory.dmp

memory/1408-18-0x0000000000590000-0x0000000000F90000-memory.dmp

memory/1984-15-0x00000000001E0000-0x00000000001E1000-memory.dmp

memory/1344-14-0x0000000077471000-0x0000000077472000-memory.dmp

memory/1984-13-0x0000000077620000-0x0000000077621000-memory.dmp

memory/1984-12-0x000000007761F000-0x0000000077621000-memory.dmp

memory/1984-11-0x000000007761F000-0x0000000077620000-memory.dmp

memory/1984-10-0x00000000001A0000-0x00000000001A6000-memory.dmp

memory/1984-9-0x0000000000030000-0x0000000000046000-memory.dmp

memory/1344-8-0x00000000025A0000-0x00000000025A6000-memory.dmp

memory/1984-7-0x00000000001A0000-0x00000000001A6000-memory.dmp

memory/1984-5-0x00000000001A0000-0x00000000001A6000-memory.dmp

memory/1408-4-0x0000000000590000-0x0000000000F90000-memory.dmp

memory/1344-3-0x00000000025A0000-0x00000000025A6000-memory.dmp

memory/1408-2-0x0000000000400000-0x0000000000405000-memory.dmp

memory/1984-34-0x00000000001A0000-0x00000000001A6000-memory.dmp

memory/1344-37-0x0000000077600000-0x0000000077601000-memory.dmp

memory/1984-41-0x00000000001F0000-0x00000000001F1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-11-05 02:07

Reported

2023-11-05 02:10

Platform

win10v2004-20231023-en

Max time kernel

5s

Max time network

9s

Command Line

C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc

Signatures

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3124 set thread context of 1820 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.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\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3124 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe
PID 3124 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe
PID 3124 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe
PID 3124 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe
PID 3124 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe
PID 3124 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe
PID 1820 wrote to memory of 928 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe C:\Windows\SysWOW64\winver.exe
PID 1820 wrote to memory of 928 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe C:\Windows\SysWOW64\winver.exe
PID 1820 wrote to memory of 928 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe C:\Windows\SysWOW64\winver.exe
PID 1820 wrote to memory of 928 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe C:\Windows\SysWOW64\winver.exe
PID 928 wrote to memory of 3320 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 928 wrote to memory of 2820 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\sihost.exe
PID 928 wrote to memory of 2896 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\svchost.exe
PID 928 wrote to memory of 2936 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\taskhostw.exe
PID 928 wrote to memory of 3320 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 928 wrote to memory of 3508 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\svchost.exe

Processes

C:\Windows\system32\svchost.exe

C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\taskhostw.exe

taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}

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\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe"

C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.0dfe76adb3e735011e3ea6345ce76f10_JC.exe"

C:\Windows\SysWOW64\winver.exe

winver

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 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp

Files

memory/1820-2-0x0000000000400000-0x0000000000405000-memory.dmp

memory/928-5-0x0000000000E30000-0x0000000000E36000-memory.dmp

memory/1820-7-0x0000000000570000-0x0000000000F70000-memory.dmp

memory/3320-4-0x0000000000860000-0x0000000000866000-memory.dmp

memory/3320-3-0x0000000000860000-0x0000000000866000-memory.dmp

memory/928-8-0x0000000000E30000-0x0000000000E36000-memory.dmp

memory/3320-9-0x00007FFBC3CED000-0x00007FFBC3CEE000-memory.dmp

memory/928-10-0x0000000077B02000-0x0000000077B03000-memory.dmp

memory/928-11-0x0000000000E60000-0x0000000000E72000-memory.dmp

memory/2820-16-0x0000000000EB0000-0x0000000000EB6000-memory.dmp

memory/2896-15-0x0000000000C10000-0x0000000000C16000-memory.dmp

memory/2936-17-0x0000000000740000-0x0000000000746000-memory.dmp

memory/2896-19-0x0000000000C10000-0x0000000000C16000-memory.dmp

memory/3320-18-0x0000000000870000-0x0000000000876000-memory.dmp

memory/3508-20-0x00000000004C0000-0x00000000004C6000-memory.dmp

memory/3732-22-0x00000000008B0000-0x00000000008B6000-memory.dmp