Malware Analysis Report

2024-10-19 13:24

Sample ID 240405-gekedadc9x
Target cc65ec42f08ba47ae4c564f7134ff6f5_JaffaCakes118
SHA256 6d67a1c261a3a45f669828fece9bb9e271b7a667be9ae623dc6d870e056a0179
Tags
tinba banker persistence trojan upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

6d67a1c261a3a45f669828fece9bb9e271b7a667be9ae623dc6d870e056a0179

Threat Level: Known bad

The file cc65ec42f08ba47ae4c564f7134ff6f5_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

tinba banker persistence trojan upx

Tinba / TinyBanker

UPX packed file

Adds Run key to start application

Program crash

Unsigned PE

Suspicious use of FindShellTrayWindow

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-05 05:43

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
N/A N/A N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-05 05:43

Reported

2024-04-05 05:45

Platform

win10v2004-20240226-en

Max time kernel

148s

Max time network

150s

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-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\936921ED = "C:\\Users\\Admin\\AppData\\Roaming\\936921ED\\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 UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.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\cc65ec42f08ba47ae4c564f7134ff6f5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\cc65ec42f08ba47ae4c564f7134ff6f5_JaffaCakes118.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1244 -ip 1244

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 96.136.73.23.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 24.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 138.136.73.23.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 131.72.42.20.in-addr.arpa udp

Files

memory/1684-0-0x0000000000400000-0x000000000041A000-memory.dmp

memory/1684-1-0x00000000005A0000-0x00000000005A1000-memory.dmp

memory/1244-5-0x00000000776D2000-0x00000000776D3000-memory.dmp

memory/3508-4-0x0000000000B50000-0x0000000000B56000-memory.dmp

memory/3508-2-0x0000000000B50000-0x0000000000B56000-memory.dmp

memory/3508-7-0x00007FFD1034C000-0x00007FFD1034D000-memory.dmp

memory/3508-6-0x00007FFD1034D000-0x00007FFD1034E000-memory.dmp

memory/1684-3-0x0000000002760000-0x0000000003160000-memory.dmp

memory/1244-8-0x0000000001220000-0x0000000001226000-memory.dmp

memory/3508-9-0x00007FFD104E0000-0x00007FFD104E1000-memory.dmp

memory/1684-10-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2512-14-0x0000000000880000-0x0000000000886000-memory.dmp

memory/1244-15-0x0000000001220000-0x0000000001226000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-05 05:43

Reported

2024-04-05 05:45

Platform

win7-20240220-en

Max time kernel

149s

Max time network

146s

Command Line

"C:\Windows\system32\Dwm.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-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\B4117591 = "C:\\Users\\Admin\\AppData\\Roaming\\B4117591\\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\Dwm.exe

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

C:\Windows\system32\taskhost.exe

"taskhost.exe"

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\cc65ec42f08ba47ae4c564f7134ff6f5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\cc65ec42f08ba47ae4c564f7134ff6f5_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/2252-0-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2252-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1132-2-0x0000000002510000-0x0000000002516000-memory.dmp

memory/2252-3-0x0000000002070000-0x0000000002A70000-memory.dmp

memory/1132-6-0x0000000002510000-0x0000000002516000-memory.dmp

memory/2972-7-0x00000000778FF000-0x0000000077900000-memory.dmp

memory/2972-5-0x0000000000160000-0x0000000000166000-memory.dmp

memory/1132-4-0x0000000002510000-0x0000000002516000-memory.dmp

memory/2972-8-0x00000000778FF000-0x0000000077901000-memory.dmp

memory/2972-9-0x0000000077900000-0x0000000077901000-memory.dmp

memory/1132-10-0x0000000077751000-0x0000000077752000-memory.dmp

memory/2972-11-0x0000000000690000-0x00000000006A6000-memory.dmp

memory/2252-12-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2252-13-0x0000000002070000-0x0000000002A70000-memory.dmp

memory/2972-15-0x0000000000160000-0x0000000000166000-memory.dmp

memory/2972-16-0x0000000000370000-0x0000000000371000-memory.dmp

memory/1092-20-0x00000000002D0000-0x00000000002D6000-memory.dmp

memory/1132-22-0x00000000024C0000-0x00000000024C6000-memory.dmp

memory/1064-24-0x0000000077751000-0x0000000077752000-memory.dmp

memory/1064-23-0x00000000001B0000-0x00000000001B6000-memory.dmp

memory/1092-25-0x00000000002D0000-0x00000000002D6000-memory.dmp

memory/1132-26-0x00000000024C0000-0x00000000024C6000-memory.dmp

memory/2972-30-0x0000000000160000-0x0000000000166000-memory.dmp

memory/2972-31-0x0000000000590000-0x0000000000591000-memory.dmp