Malware Analysis Report

2024-10-19 13:23

Sample ID 240404-q1va5shc9t
Target b9de1a7e33838739765280f88cd4d085_JaffaCakes118
SHA256 f87c76ce50c25cbd35a4ba2309ac20508300b2aa7e8432b1f6c5ed414409c45b
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

f87c76ce50c25cbd35a4ba2309ac20508300b2aa7e8432b1f6c5ed414409c45b

Threat Level: Known bad

The file b9de1a7e33838739765280f88cd4d085_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

2024-04-04 13:44

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

2024-04-04 13:44

Reported

2024-04-04 13:46

Platform

win10v2004-20240226-en

Max time kernel

132s

Max time network

128s

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-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\53A7B65C = "C:\\Users\\Admin\\AppData\\Roaming\\53A7B65C\\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\b9de1a7e33838739765280f88cd4d085_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b9de1a7e33838739765280f88cd4d085_JaffaCakes118.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4304 -ip 4304

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4304 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.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 8.8.8.8:53 241.66.18.2.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp

Files

memory/2664-0-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2664-1-0x00000000005E0000-0x00000000005E1000-memory.dmp

memory/3528-2-0x0000000001090000-0x0000000001096000-memory.dmp

memory/3528-4-0x0000000001090000-0x0000000001096000-memory.dmp

memory/2664-3-0x00000000026A0000-0x00000000030A0000-memory.dmp

memory/3528-5-0x00007FFE4B7ED000-0x00007FFE4B7EE000-memory.dmp

memory/4304-6-0x0000000077DD2000-0x0000000077DD3000-memory.dmp

memory/4304-7-0x0000000000BF0000-0x0000000000BF6000-memory.dmp

memory/3528-8-0x00007FFE4B980000-0x00007FFE4B981000-memory.dmp

memory/2664-9-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2664-10-0x00000000026A0000-0x00000000030A0000-memory.dmp

memory/2676-14-0x0000000000150000-0x0000000000156000-memory.dmp

memory/4304-15-0x0000000000BF0000-0x0000000000BF6000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-04 13:44

Reported

2024-04-04 13:46

Platform

win7-20240221-en

Max time kernel

150s

Max time network

153s

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-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\9299F40F = "C:\\Users\\Admin\\AppData\\Roaming\\9299F40F\\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\b9de1a7e33838739765280f88cd4d085_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b9de1a7e33838739765280f88cd4d085_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/2696-0-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2696-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/2696-4-0x0000000001F60000-0x0000000002960000-memory.dmp

memory/1412-3-0x00000000025C0000-0x00000000025C6000-memory.dmp

memory/1412-2-0x00000000025C0000-0x00000000025C6000-memory.dmp

memory/2276-6-0x0000000000180000-0x0000000000186000-memory.dmp

memory/2276-7-0x0000000077D30000-0x0000000077D31000-memory.dmp

memory/1412-5-0x00000000025C0000-0x00000000025C6000-memory.dmp

memory/2276-8-0x0000000077D2F000-0x0000000077D30000-memory.dmp

memory/2276-9-0x0000000077D2F000-0x0000000077D31000-memory.dmp

memory/1412-10-0x0000000077B81000-0x0000000077B82000-memory.dmp

memory/2276-11-0x0000000000D30000-0x0000000000D46000-memory.dmp

memory/2696-12-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2696-13-0x0000000001F60000-0x0000000002960000-memory.dmp

memory/2276-16-0x00000000001C0000-0x00000000001C1000-memory.dmp

memory/1352-20-0x0000000001BB0000-0x0000000001BB6000-memory.dmp

memory/1412-22-0x0000000002200000-0x0000000002206000-memory.dmp

memory/1220-24-0x0000000077B81000-0x0000000077B82000-memory.dmp

memory/1220-23-0x0000000000280000-0x0000000000286000-memory.dmp

memory/1352-25-0x0000000001BB0000-0x0000000001BB6000-memory.dmp

memory/1412-26-0x0000000002200000-0x0000000002206000-memory.dmp

memory/2276-30-0x00000000001D0000-0x00000000001D1000-memory.dmp

memory/2276-31-0x0000000000180000-0x0000000000186000-memory.dmp