Malware Analysis Report

2024-10-19 13:23

Sample ID 240404-fdravsfa8s
Target b00b718e3aec104f72799f1b2c3b5e79_JaffaCakes118
SHA256 dc2358930ad854be85980aa2c7631cb8a84452ab43635d4ddb7c955b5cb91e2a
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

dc2358930ad854be85980aa2c7631cb8a84452ab43635d4ddb7c955b5cb91e2a

Threat Level: Known bad

The file b00b718e3aec104f72799f1b2c3b5e79_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 behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of UnmapMainImage

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-04 04:45

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 04:45

Reported

2024-04-04 04:48

Platform

win7-20240221-en

Max time kernel

151s

Max time network

151s

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-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\DD025902 = "C:\\Users\\Admin\\AppData\\Roaming\\DD025902\\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\b00b718e3aec104f72799f1b2c3b5e79_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b00b718e3aec104f72799f1b2c3b5e79_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 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

Files

memory/2688-0-0x0000000000400000-0x0000000000417000-memory.dmp

memory/2688-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/2688-3-0x0000000001DA0000-0x00000000027A0000-memory.dmp

memory/2824-5-0x0000000000090000-0x0000000000096000-memory.dmp

memory/1248-4-0x0000000002260000-0x0000000002266000-memory.dmp

memory/1248-2-0x0000000002260000-0x0000000002266000-memory.dmp

memory/1248-7-0x0000000002260000-0x0000000002266000-memory.dmp

memory/1248-10-0x0000000077BE1000-0x0000000077BE2000-memory.dmp

memory/2824-9-0x0000000077D90000-0x0000000077D91000-memory.dmp

memory/2824-8-0x0000000077D8F000-0x0000000077D91000-memory.dmp

memory/2824-6-0x0000000077D8F000-0x0000000077D90000-memory.dmp

memory/2824-11-0x0000000000C00000-0x0000000000C16000-memory.dmp

memory/2688-12-0x0000000000400000-0x0000000000417000-memory.dmp

memory/2688-13-0x0000000001DA0000-0x00000000027A0000-memory.dmp

memory/2824-15-0x0000000000090000-0x0000000000096000-memory.dmp

memory/2824-16-0x0000000000180000-0x0000000000181000-memory.dmp

memory/1168-20-0x0000000000380000-0x0000000000386000-memory.dmp

memory/1168-25-0x0000000000380000-0x0000000000386000-memory.dmp

memory/1116-24-0x0000000077BE1000-0x0000000077BE2000-memory.dmp

memory/1116-23-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

memory/1248-26-0x0000000002230000-0x0000000002236000-memory.dmp

memory/1248-22-0x0000000002230000-0x0000000002236000-memory.dmp

memory/2824-30-0x0000000000090000-0x0000000000096000-memory.dmp

memory/2824-31-0x0000000000190000-0x0000000000191000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-04 04:45

Reported

2024-04-04 04:48

Platform

win10v2004-20240226-en

Max time kernel

132s

Max time network

140s

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-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\305CA030 = "C:\\Users\\Admin\\AppData\\Roaming\\305CA030\\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\b00b718e3aec104f72799f1b2c3b5e79_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b00b718e3aec104f72799f1b2c3b5e79_JaffaCakes118.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2768 -ip 2768

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2768 -s 356

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 227.66.18.2.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.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 8.8.8.8:53 241.66.18.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp

Files

memory/2548-0-0x0000000000400000-0x0000000000417000-memory.dmp

memory/2548-1-0x0000000000570000-0x0000000000571000-memory.dmp

memory/3412-3-0x0000000001370000-0x0000000001376000-memory.dmp

memory/2548-4-0x00000000021C0000-0x0000000002BC0000-memory.dmp

memory/3412-5-0x00007FFFB676D000-0x00007FFFB676E000-memory.dmp

memory/3412-2-0x0000000001370000-0x0000000001376000-memory.dmp

memory/2768-6-0x0000000076F42000-0x0000000076F43000-memory.dmp

memory/2768-7-0x0000000000D60000-0x0000000000D66000-memory.dmp

memory/3412-8-0x00007FFFB6900000-0x00007FFFB6901000-memory.dmp

memory/2548-9-0x0000000000400000-0x0000000000417000-memory.dmp

memory/2560-13-0x0000000000930000-0x0000000000936000-memory.dmp

memory/2768-14-0x0000000000D60000-0x0000000000D66000-memory.dmp