Malware Analysis Report

2024-10-19 13:23

Sample ID 240404-3jycpadf2s
Target c4bdc1d2264ca610f5759f279f1dd1dc_JaffaCakes118
SHA256 4bd4035fc62d7d71b6020c745d5001d1a9972dcc87e49f7d1dbc6199f41ca788
Tags
upx tinba banker persistence trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

4bd4035fc62d7d71b6020c745d5001d1a9972dcc87e49f7d1dbc6199f41ca788

Threat Level: Known bad

The file c4bdc1d2264ca610f5759f279f1dd1dc_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

Program crash

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of SendNotifyMessage

Suspicious use of UnmapMainImage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-04 23:33

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: behavioral1

Detonation Overview

Submitted

2024-04-04 23:33

Reported

2024-04-04 23:35

Platform

win7-20231129-en

Max time kernel

149s

Max time network

148s

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-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\227D6992 = "C:\\Users\\Admin\\AppData\\Roaming\\227D6992\\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
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

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\c4bdc1d2264ca610f5759f279f1dd1dc_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\c4bdc1d2264ca610f5759f279f1dd1dc_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
US 104.131.68.180:80 uyhgqunqkxnx.pw tcp
US 8.8.8.8:53 vcklmnnejwxx.pw udp
US 216.218.185.162:80 vcklmnnejwxx.pw tcp
US 8.8.8.8:53 cmnsgscccrej.pw udp
US 216.218.185.162:80 cmnsgscccrej.pw tcp
US 8.8.8.8:53 evbsdqvgmpph.pw udp
US 216.218.185.162:80 evbsdqvgmpph.pw tcp
US 8.8.8.8:53 mfueeimvyrsp.pw udp
US 216.218.185.162:80 mfueeimvyrsp.pw tcp
US 8.8.8.8:53 utmyhnffxpcj.pw udp
US 216.218.185.162:80 utmyhnffxpcj.pw tcp

Files

memory/2848-0-0x0000000000400000-0x0000000000417000-memory.dmp

memory/2848-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/2848-3-0x0000000001D20000-0x0000000002720000-memory.dmp

memory/2412-4-0x0000000000140000-0x0000000000146000-memory.dmp

memory/1380-2-0x00000000024B0000-0x00000000024B6000-memory.dmp

memory/1380-6-0x00000000024B0000-0x00000000024B6000-memory.dmp

memory/1380-11-0x00000000775F1000-0x00000000775F2000-memory.dmp

memory/2412-10-0x00000000777A0000-0x00000000777A1000-memory.dmp

memory/2412-9-0x000000007779F000-0x00000000777A1000-memory.dmp

memory/2412-8-0x000000007779F000-0x00000000777A0000-memory.dmp

memory/2412-7-0x0000000000080000-0x0000000000096000-memory.dmp

memory/2848-12-0x0000000000400000-0x0000000000417000-memory.dmp

memory/2848-13-0x0000000001D20000-0x0000000002720000-memory.dmp

memory/2412-15-0x0000000000140000-0x0000000000146000-memory.dmp

memory/2412-16-0x0000000000180000-0x0000000000181000-memory.dmp

memory/1332-22-0x0000000000150000-0x0000000000156000-memory.dmp

memory/1380-24-0x0000000002460000-0x0000000002466000-memory.dmp

memory/1248-25-0x00000000000F0000-0x00000000000F6000-memory.dmp

memory/1248-26-0x00000000775F1000-0x00000000775F2000-memory.dmp

memory/1332-27-0x0000000000150000-0x0000000000156000-memory.dmp

memory/1380-28-0x0000000002460000-0x0000000002466000-memory.dmp

memory/2412-32-0x0000000000140000-0x0000000000146000-memory.dmp

memory/2412-33-0x0000000000190000-0x0000000000191000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-04 23:33

Reported

2024-04-04 23:35

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

149s

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\381F5698 = "C:\\Users\\Admin\\AppData\\Roaming\\381F5698\\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\c4bdc1d2264ca610f5759f279f1dd1dc_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\c4bdc1d2264ca610f5759f279f1dd1dc_JaffaCakes118.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3668 -ip 3668

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3668 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 227.66.18.2.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 152.33.115.104.in-addr.arpa udp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 241.66.18.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/3780-0-0x0000000000400000-0x0000000000417000-memory.dmp

memory/3780-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

memory/3336-2-0x0000000002450000-0x0000000002456000-memory.dmp

memory/3336-3-0x0000000002450000-0x0000000002456000-memory.dmp

memory/3780-4-0x0000000002360000-0x0000000002D60000-memory.dmp

memory/3668-6-0x0000000077C82000-0x0000000077C83000-memory.dmp

memory/3668-5-0x0000000000D70000-0x0000000000D76000-memory.dmp

memory/3336-7-0x00007FFF0462D000-0x00007FFF0462E000-memory.dmp

memory/3336-8-0x00007FFF0462C000-0x00007FFF0462D000-memory.dmp

memory/3668-9-0x0000000000D50000-0x0000000000D62000-memory.dmp

memory/3336-10-0x00007FFF047C0000-0x00007FFF047C1000-memory.dmp

memory/3780-11-0x0000000000400000-0x0000000000417000-memory.dmp

memory/3780-12-0x0000000002360000-0x0000000002D60000-memory.dmp

memory/2528-16-0x0000000000540000-0x0000000000546000-memory.dmp

memory/3668-17-0x0000000000D70000-0x0000000000D76000-memory.dmp