Malware Analysis Report

2024-10-19 13:23

Sample ID 240404-2v2c2scf6w
Target c3f463fda49e53ded3a52026df1e0690_JaffaCakes118
SHA256 0b45c1fa41e5d3679a5176b8a8cc99a960f702d3118510c5ebe01010cf642c08
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

0b45c1fa41e5d3679a5176b8a8cc99a960f702d3118510c5ebe01010cf642c08

Threat Level: Known bad

The file c3f463fda49e53ded3a52026df1e0690_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 use of FindShellTrayWindow

Suspicious use of AdjustPrivilegeToken

Suspicious use of UnmapMainImage

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-04 22:54

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 22:54

Reported

2024-04-04 22:57

Platform

win7-20240221-en

Max time kernel

150s

Max time network

167s

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\EF0677C7 = "C:\\Users\\Admin\\AppData\\Roaming\\EF0677C7\\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\c3f463fda49e53ded3a52026df1e0690_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\c3f463fda49e53ded3a52026df1e0690_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
NL 178.62.201.34:80 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
US 8.8.8.8:53 fkmmvfeonnyh.pw udp
US 216.218.185.162:80 fkmmvfeonnyh.pw tcp
US 8.8.8.8:53 gfnlmtcolrrb.pw udp
US 216.218.185.162:80 gfnlmtcolrrb.pw tcp
US 8.8.8.8:53 wwgfyvvdtmeq.pw udp
US 216.218.185.162:80 wwgfyvvdtmeq.pw tcp
US 8.8.8.8:53 xtbbpqfrsubt.pw udp
US 216.218.185.162:80 xtbbpqfrsubt.pw tcp
US 8.8.8.8:53 vrmtybxxpddg.pw udp
US 216.218.185.162:80 vrmtybxxpddg.pw tcp
US 8.8.8.8:53 rvqlfnedcldh.pw udp
US 8.8.8.8:53 fccfxejgtpqb.pw udp
US 216.218.185.162:80 fccfxejgtpqb.pw tcp

Files

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

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

memory/1300-4-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

memory/2856-3-0x0000000001DE0000-0x00000000027E0000-memory.dmp

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

memory/2976-5-0x0000000000090000-0x0000000000096000-memory.dmp

memory/2976-7-0x00000000778FF000-0x0000000077900000-memory.dmp

memory/2976-8-0x00000000778FF000-0x0000000077901000-memory.dmp

memory/1300-6-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

memory/2976-9-0x0000000077900000-0x0000000077901000-memory.dmp

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

memory/2976-11-0x0000000000630000-0x0000000000646000-memory.dmp

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

memory/2856-13-0x0000000001DE0000-0x00000000027E0000-memory.dmp

memory/2976-15-0x0000000000090000-0x0000000000096000-memory.dmp

memory/2976-16-0x0000000000200000-0x0000000000201000-memory.dmp

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

memory/1300-25-0x0000000002A90000-0x0000000002A96000-memory.dmp

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

memory/1128-24-0x0000000077751000-0x0000000077752000-memory.dmp

memory/1128-23-0x0000000000310000-0x0000000000316000-memory.dmp

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

memory/2976-31-0x0000000000090000-0x0000000000096000-memory.dmp

memory/2976-32-0x0000000000210000-0x0000000000211000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-04 22:54

Reported

2024-04-04 22:57

Platform

win10v2004-20240226-en

Max time kernel

148s

Max time network

124s

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\225C5E07 = "C:\\Users\\Admin\\AppData\\Roaming\\225C5E07\\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
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\c3f463fda49e53ded3a52026df1e0690_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\c3f463fda49e53ded3a52026df1e0690_JaffaCakes118.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 844 -ip 844

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 844 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 145.110.86.104.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp

Files

memory/560-0-0x0000000000400000-0x0000000000417000-memory.dmp

memory/560-1-0x0000000000570000-0x0000000000571000-memory.dmp

memory/3452-2-0x0000000003160000-0x0000000003166000-memory.dmp

memory/3452-3-0x0000000003160000-0x0000000003166000-memory.dmp

memory/560-4-0x0000000002390000-0x0000000002D90000-memory.dmp

memory/844-5-0x0000000077512000-0x0000000077513000-memory.dmp

memory/3452-6-0x00007FFB27A8D000-0x00007FFB27A8E000-memory.dmp

memory/844-7-0x0000000002B00000-0x0000000002B06000-memory.dmp

memory/3452-8-0x00007FFB27C20000-0x00007FFB27C21000-memory.dmp

memory/560-9-0x0000000000400000-0x0000000000417000-memory.dmp

memory/560-10-0x0000000002390000-0x0000000002D90000-memory.dmp

memory/3452-11-0x00007FFB27C00000-0x00007FFB27C01000-memory.dmp

memory/60-15-0x0000000000E30000-0x0000000000E36000-memory.dmp

memory/844-16-0x0000000002B00000-0x0000000002B06000-memory.dmp