Malware Analysis Report

2024-10-19 13:23

Sample ID 240404-lm61kacc24
Target b4fcb9fe40178e8127f061a9a27065e5_JaffaCakes118
SHA256 3442bd40c33f50513f445ffaf592d72a59648de8e5b864915f7fc9ba7cf9bb24
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

3442bd40c33f50513f445ffaf592d72a59648de8e5b864915f7fc9ba7cf9bb24

Threat Level: Known bad

The file b4fcb9fe40178e8127f061a9a27065e5_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 behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-04 09:40

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: behavioral2

Detonation Overview

Submitted

2024-04-04 09:40

Reported

2024-04-04 09:42

Platform

win10v2004-20231215-en

Max time kernel

149s

Max time network

94s

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\00C1644A = "C:\\Users\\Admin\\AppData\\Roaming\\00C1644A\\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\b4fcb9fe40178e8127f061a9a27065e5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b4fcb9fe40178e8127f061a9a27065e5_JaffaCakes118.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3128 -ip 3128

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3128 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 202.110.86.104.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 57.162.23.2.in-addr.arpa udp
US 8.8.8.8:53 246.211.222.173.in-addr.arpa udp
US 8.8.8.8:53 218.110.86.104.in-addr.arpa udp

Files

memory/2040-0-0x0000000000400000-0x0000000000428000-memory.dmp

memory/2040-1-0x0000000002170000-0x0000000002171000-memory.dmp

memory/3520-2-0x0000000001400000-0x0000000001406000-memory.dmp

memory/2040-4-0x00000000022C0000-0x0000000002CC0000-memory.dmp

memory/3520-3-0x0000000001400000-0x0000000001406000-memory.dmp

memory/3128-7-0x0000000000890000-0x0000000000896000-memory.dmp

memory/3520-6-0x00007FF86FBED000-0x00007FF86FBEE000-memory.dmp

memory/3128-5-0x0000000077D62000-0x0000000077D63000-memory.dmp

memory/2040-8-0x0000000000400000-0x0000000000428000-memory.dmp

memory/2040-9-0x00000000022C0000-0x0000000002CC0000-memory.dmp

memory/2656-13-0x0000000000360000-0x0000000000366000-memory.dmp

memory/3128-14-0x0000000000890000-0x0000000000896000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-04 09:40

Reported

2024-04-04 09:42

Platform

win7-20240220-en

Max time kernel

149s

Max time network

145s

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-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\9F2B991A = "C:\\Users\\Admin\\AppData\\Roaming\\9F2B991A\\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\b4fcb9fe40178e8127f061a9a27065e5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b4fcb9fe40178e8127f061a9a27065e5_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
US 8.8.8.8:53 uyhgqunqkxnx.pw udp
SG 45.77.249.79:80 uyhgqunqkxnx.pw tcp
US 8.8.8.8:53 vcklmnnejwxx.pw udp
US 216.218.185.162:80 vcklmnnejwxx.pw tcp

Files

memory/2204-0-0x0000000000400000-0x0000000000428000-memory.dmp

memory/2204-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/2204-3-0x0000000001CE0000-0x00000000026E0000-memory.dmp

memory/2700-5-0x0000000000160000-0x0000000000166000-memory.dmp

memory/1200-4-0x0000000003DB0000-0x0000000003DB6000-memory.dmp

memory/1200-2-0x0000000003DB0000-0x0000000003DB6000-memory.dmp

memory/1200-11-0x0000000076E61000-0x0000000076E62000-memory.dmp

memory/2700-10-0x0000000077010000-0x0000000077011000-memory.dmp

memory/2700-9-0x000000007700F000-0x0000000077011000-memory.dmp

memory/2700-8-0x000000007700F000-0x0000000077010000-memory.dmp

memory/2700-7-0x0000000000410000-0x0000000000426000-memory.dmp

memory/1200-6-0x0000000003DB0000-0x0000000003DB6000-memory.dmp

memory/2204-12-0x0000000000400000-0x0000000000428000-memory.dmp

memory/2204-13-0x0000000001CE0000-0x00000000026E0000-memory.dmp

memory/2700-15-0x0000000000160000-0x0000000000166000-memory.dmp

memory/2700-16-0x00000000001A0000-0x00000000001A1000-memory.dmp

memory/1200-23-0x0000000003CC0000-0x0000000003CC6000-memory.dmp

memory/1136-21-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

memory/1200-27-0x0000000003CC0000-0x0000000003CC6000-memory.dmp

memory/1136-26-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

memory/1084-25-0x0000000076E61000-0x0000000076E62000-memory.dmp

memory/1084-24-0x0000000000320000-0x0000000000326000-memory.dmp

memory/2700-32-0x00000000001B0000-0x00000000001B1000-memory.dmp

memory/2700-31-0x0000000000160000-0x0000000000166000-memory.dmp