Malware Analysis Report

2024-09-09 17:08

Sample ID 240708-xxawnavakm
Target 2d816510c04e5fe03f86b2b3f6ef44aa_JaffaCakes118
SHA256 9f40c605ceecc8f1f2a86c2afc42e9c5293b2be56a58b5b4895bdca4f6d5e465
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

9f40c605ceecc8f1f2a86c2afc42e9c5293b2be56a58b5b4895bdca4f6d5e465

Threat Level: Known bad

The file 2d816510c04e5fe03f86b2b3f6ef44aa_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 AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of UnmapMainImage

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-07-08 19:13

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

2024-07-08 19:13

Reported

2024-07-09 02:47

Platform

win7-20240704-en

Max time kernel

149s

Max time network

152s

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-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\2D0D02E8 = "C:\\Users\\Admin\\AppData\\Roaming\\2D0D02E8\\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:\Windows\system32\DllHost.exe

C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}

C:\Users\Admin\AppData\Local\Temp\2d816510c04e5fe03f86b2b3f6ef44aa_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\2d816510c04e5fe03f86b2b3f6ef44aa_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/1052-0-0x0000000000400000-0x0000000000428000-memory.dmp

memory/1052-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1392-3-0x0000000002260000-0x0000000002266000-memory.dmp

memory/1392-2-0x0000000002260000-0x0000000002266000-memory.dmp

memory/1392-4-0x0000000002260000-0x0000000002266000-memory.dmp

memory/1052-5-0x0000000001CF0000-0x00000000026F0000-memory.dmp

memory/1668-6-0x0000000000090000-0x0000000000096000-memory.dmp

memory/1392-10-0x0000000076D41000-0x0000000076D42000-memory.dmp

memory/1668-9-0x0000000076EEF000-0x0000000076EF1000-memory.dmp

memory/1668-8-0x0000000076EEF000-0x0000000076EF0000-memory.dmp

memory/1668-7-0x0000000076EF0000-0x0000000076EF1000-memory.dmp

memory/1668-11-0x0000000076CF0000-0x0000000076E99000-memory.dmp

memory/1052-12-0x0000000000400000-0x0000000000428000-memory.dmp

memory/1052-13-0x0000000001CF0000-0x00000000026F0000-memory.dmp

memory/1336-20-0x00000000001A0000-0x00000000001A6000-memory.dmp

memory/932-24-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

memory/1392-22-0x0000000002250000-0x0000000002256000-memory.dmp

memory/1232-26-0x0000000076D41000-0x0000000076D42000-memory.dmp

memory/1232-25-0x0000000001BC0000-0x0000000001BC6000-memory.dmp

memory/1336-27-0x00000000001A0000-0x00000000001A6000-memory.dmp

memory/1392-28-0x0000000002250000-0x0000000002256000-memory.dmp

memory/932-30-0x0000000076D41000-0x0000000076D42000-memory.dmp

memory/932-29-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

memory/1668-35-0x0000000000090000-0x0000000000096000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-08 19:13

Reported

2024-07-09 02:47

Platform

win10v2004-20240704-en

Max time kernel

146s

Max time network

127s

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-1-5-21-661257284-3186977026-4220467887-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\808F4156 = "C:\\Users\\Admin\\AppData\\Roaming\\808F4156\\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

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\2d816510c04e5fe03f86b2b3f6ef44aa_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\2d816510c04e5fe03f86b2b3f6ef44aa_JaffaCakes118.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4396,i,18267267250369716772,14567143188126594249,262144 --variations-seed-version --mojo-platform-channel-handle=4636 /prefetch:8

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2688 -ip 2688

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2688 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp

Files

memory/4496-0-0x0000000000400000-0x0000000000428000-memory.dmp

memory/4496-1-0x0000000000500000-0x0000000000501000-memory.dmp

memory/3584-3-0x0000000000E80000-0x0000000000E86000-memory.dmp

memory/3584-2-0x0000000000E80000-0x0000000000E86000-memory.dmp

memory/3584-6-0x00007FFE496AD000-0x00007FFE496AE000-memory.dmp

memory/2688-5-0x0000000077642000-0x0000000077643000-memory.dmp

memory/4496-4-0x00000000023B0000-0x0000000002DB0000-memory.dmp

memory/2688-7-0x00007FFE49610000-0x00007FFE49805000-memory.dmp

memory/4496-8-0x0000000000400000-0x0000000000428000-memory.dmp

memory/4496-9-0x00000000023B0000-0x0000000002DB0000-memory.dmp

memory/2688-11-0x0000000002250000-0x0000000002256000-memory.dmp

memory/2624-13-0x0000000000620000-0x0000000000626000-memory.dmp

memory/2688-14-0x0000000002250000-0x0000000002256000-memory.dmp

memory/3584-16-0x00007FFE49840000-0x00007FFE49841000-memory.dmp

memory/3584-17-0x00007FFE49820000-0x00007FFE49821000-memory.dmp