Malware Analysis Report

2024-09-09 17:08

Sample ID 240703-lwx41s1dlp
Target 21ed1ccede0e6f649c073a5fe29fb8fd_JaffaCakes118
SHA256 fdfa98501b8d750e2d7f9322aa6bf99cafb1b90f715658207682e95c5ab86edf
Tags
upx 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

fdfa98501b8d750e2d7f9322aa6bf99cafb1b90f715658207682e95c5ab86edf

Threat Level: Known bad

The file 21ed1ccede0e6f649c073a5fe29fb8fd_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

upx tinba banker persistence trojan

Tinba / TinyBanker

UPX packed file

Adds Run key to start application

Unsigned PE

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-07-03 09:53

Signatures

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-03 09:53

Reported

2024-07-03 09:56

Platform

win7-20240611-en

Max time kernel

149s

Max time network

148s

Command Line

"taskhost.exe"

Signatures

Tinba / TinyBanker

trojan banker tinba

UPX packed file

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Windows\CurrentVersion\Run\CE443888 = "C:\\Users\\Admin\\AppData\\Roaming\\CE443888\\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

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\21ed1ccede0e6f649c073a5fe29fb8fd_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\21ed1ccede0e6f649c073a5fe29fb8fd_JaffaCakes118.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/2240-0-0x0000000000400000-0x0000000000423000-memory.dmp

memory/2240-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1392-2-0x0000000002A80000-0x0000000002A86000-memory.dmp

memory/1392-3-0x0000000002A80000-0x0000000002A86000-memory.dmp

memory/1392-4-0x0000000002A80000-0x0000000002A86000-memory.dmp

memory/2240-5-0x00000000020A0000-0x0000000002AA0000-memory.dmp

memory/1692-7-0x00000000779F0000-0x00000000779F1000-memory.dmp

memory/1692-6-0x0000000000160000-0x0000000000166000-memory.dmp

memory/1692-8-0x00000000779EF000-0x00000000779F0000-memory.dmp

memory/1692-9-0x00000000779EF000-0x00000000779F1000-memory.dmp

memory/1392-10-0x0000000077841000-0x0000000077842000-memory.dmp

memory/1692-11-0x00000000777F0000-0x0000000077999000-memory.dmp

memory/2240-12-0x0000000000400000-0x0000000000423000-memory.dmp

memory/2240-13-0x00000000020A0000-0x0000000002AA0000-memory.dmp

memory/1356-20-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

memory/1392-22-0x0000000002A30000-0x0000000002A36000-memory.dmp

memory/1392-23-0x0000000002A30000-0x0000000002A36000-memory.dmp

memory/1284-25-0x0000000077841000-0x0000000077842000-memory.dmp

memory/1284-24-0x0000000000310000-0x0000000000316000-memory.dmp

memory/1356-26-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

memory/1692-30-0x0000000000160000-0x0000000000166000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-03 09:53

Reported

2024-07-03 09:56

Platform

win10v2004-20240508-en

Max time kernel

138s

Max time network

123s

Command Line

sihost.exe

Signatures

Tinba / TinyBanker

trojan banker tinba

UPX packed file

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

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\BA26DAEC = "C:\\Users\\Admin\\AppData\\Roaming\\BA26DAEC\\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

Processes

C:\Windows\system32\sihost.exe

sihost.exe

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\21ed1ccede0e6f649c073a5fe29fb8fd_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\21ed1ccede0e6f649c073a5fe29fb8fd_JaffaCakes118.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 2668 -ip 2668

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2668 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 52.111.227.14:443 tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp

Files

memory/2980-0-0x0000000000400000-0x0000000000423000-memory.dmp

memory/2980-1-0x0000000000650000-0x0000000000651000-memory.dmp

memory/3488-3-0x0000000000D00000-0x0000000000D06000-memory.dmp

memory/3488-2-0x0000000000D00000-0x0000000000D06000-memory.dmp

memory/2980-4-0x0000000002670000-0x0000000003070000-memory.dmp

memory/2668-5-0x0000000077842000-0x0000000077843000-memory.dmp

memory/3488-6-0x00007FFFBC82D000-0x00007FFFBC82E000-memory.dmp

memory/2668-7-0x00007FFFBC790000-0x00007FFFBC985000-memory.dmp

memory/2980-8-0x0000000000400000-0x0000000000423000-memory.dmp

memory/2980-9-0x0000000002670000-0x0000000003070000-memory.dmp

memory/2668-11-0x00000000005F0000-0x00000000005F6000-memory.dmp

memory/2540-13-0x0000000000BB0000-0x0000000000BB6000-memory.dmp

memory/2668-14-0x00000000005F0000-0x00000000005F6000-memory.dmp