Malware Analysis Report

2024-10-19 13:23

Sample ID 240404-l5lscacg27
Target b58ab7caed0593af648b127b6d25e7cf_JaffaCakes118
SHA256 985a67a8d630b39234fe0b21d492429cf4d38a8c8c6e413b4ce333027f0a801c
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

985a67a8d630b39234fe0b21d492429cf4d38a8c8c6e413b4ce333027f0a801c

Threat Level: Known bad

The file b58ab7caed0593af648b127b6d25e7cf_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

Unsigned PE

Program crash

Suspicious use of UnmapMainImage

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-04 10:07

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 10:07

Reported

2024-04-04 10:09

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

151s

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-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3875F988 = "C:\\Users\\Admin\\AppData\\Roaming\\3875F988\\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
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Explorer.EXE N/A
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
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.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\b58ab7caed0593af648b127b6d25e7cf_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b58ab7caed0593af648b127b6d25e7cf_JaffaCakes118.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4528 -ip 4528

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4528 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 24.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 218.110.86.104.in-addr.arpa udp

Files

memory/2448-0-0x0000000000400000-0x0000000000417000-memory.dmp

memory/2448-1-0x0000000002160000-0x0000000002161000-memory.dmp

memory/3404-3-0x0000000000B10000-0x0000000000B16000-memory.dmp

memory/2448-4-0x0000000002220000-0x0000000002C20000-memory.dmp

memory/3404-2-0x0000000000B10000-0x0000000000B16000-memory.dmp

memory/4528-5-0x00000000778A2000-0x00000000778A3000-memory.dmp

memory/3404-6-0x00007FF80956D000-0x00007FF80956E000-memory.dmp

memory/4528-7-0x0000000000980000-0x0000000000986000-memory.dmp

memory/3404-8-0x00007FF809700000-0x00007FF809701000-memory.dmp

memory/2448-9-0x0000000000400000-0x0000000000417000-memory.dmp

memory/2448-10-0x0000000002220000-0x0000000002C20000-memory.dmp

memory/3404-11-0x00007FF8096E0000-0x00007FF8096E1000-memory.dmp

memory/2928-15-0x0000000000AE0000-0x0000000000AE6000-memory.dmp

memory/4528-16-0x0000000000980000-0x0000000000986000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-04 10:07

Reported

2024-04-04 10:09

Platform

win7-20240221-en

Max time kernel

150s

Max time network

150s

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-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\73B59A70 = "C:\\Users\\Admin\\AppData\\Roaming\\73B59A70\\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\b58ab7caed0593af648b127b6d25e7cf_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b58ab7caed0593af648b127b6d25e7cf_JaffaCakes118.exe"

C:\Windows\SysWOW64\winver.exe

winver

Network

Country Destination Domain Proto
US 8.8.8.8:53 spaines.pw udp
US 8.8.8.8:53 uyhgqunqkxnx.pw udp
US 8.8.8.8:53 vcklmnnejwxx.pw udp
US 216.218.185.162:80 vcklmnnejwxx.pw tcp

Files

memory/2856-0-0x0000000000400000-0x0000000000417000-memory.dmp

memory/2856-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1300-2-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

memory/2856-4-0x0000000001CE0000-0x00000000026E0000-memory.dmp

memory/2532-9-0x00000000778FF000-0x0000000077901000-memory.dmp

memory/2532-8-0x00000000778FF000-0x0000000077900000-memory.dmp

memory/2532-6-0x0000000000100000-0x0000000000106000-memory.dmp

memory/1300-5-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

memory/2532-7-0x0000000077900000-0x0000000077901000-memory.dmp

memory/1300-3-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

memory/1300-10-0x0000000077751000-0x0000000077752000-memory.dmp

memory/2532-11-0x0000000000C40000-0x0000000000C56000-memory.dmp

memory/2856-12-0x0000000000400000-0x0000000000417000-memory.dmp

memory/2856-13-0x0000000001CE0000-0x00000000026E0000-memory.dmp

memory/2532-16-0x0000000000140000-0x0000000000141000-memory.dmp

memory/1188-21-0x0000000000120000-0x0000000000126000-memory.dmp

memory/1300-23-0x0000000002A90000-0x0000000002A96000-memory.dmp

memory/1128-24-0x0000000000310000-0x0000000000316000-memory.dmp

memory/1128-25-0x0000000077751000-0x0000000077752000-memory.dmp

memory/1188-26-0x0000000000120000-0x0000000000126000-memory.dmp

memory/1300-27-0x0000000002A90000-0x0000000002A96000-memory.dmp

memory/2532-31-0x0000000000100000-0x0000000000106000-memory.dmp

memory/2532-32-0x0000000000150000-0x0000000000151000-memory.dmp