Malware Analysis Report

2024-09-09 17:04

Sample ID 240626-m7hn5svbpj
Target 11c9674455a75ac34882c6151277cf1a_JaffaCakes118
SHA256 4a0b6e7e5ca146b5beeb0124a5e649a3b8637c3efda24eef8223f98193eb96e5
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

4a0b6e7e5ca146b5beeb0124a5e649a3b8637c3efda24eef8223f98193eb96e5

Threat Level: Known bad

The file 11c9674455a75ac34882c6151277cf1a_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 behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-26 11:06

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

2024-06-26 11:06

Reported

2024-06-26 11:08

Platform

win7-20240508-en

Max time kernel

149s

Max time network

149s

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-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\668BCD28 = "C:\\Users\\Admin\\AppData\\Roaming\\668BCD28\\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\11c9674455a75ac34882c6151277cf1a_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\11c9674455a75ac34882c6151277cf1a_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 8.8.8.8:53 cmnsgscccrej.pw udp
US 8.8.8.8:53 evbsdqvgmpph.pw udp
US 8.8.8.8:53 mfueeimvyrsp.pw udp
US 8.8.8.8:53 utmyhnffxpcj.pw udp
US 8.8.8.8:53 fkmmvfeonnyh.pw udp
US 8.8.8.8:53 gfnlmtcolrrb.pw udp
US 8.8.8.8:53 wwgfyvvdtmeq.pw udp

Files

memory/2556-0-0x0000000000400000-0x0000000000428000-memory.dmp

memory/2556-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1168-4-0x00000000024E0000-0x00000000024E6000-memory.dmp

memory/1168-3-0x00000000024E0000-0x00000000024E6000-memory.dmp

memory/1168-2-0x00000000024E0000-0x00000000024E6000-memory.dmp

memory/2556-5-0x0000000001CC0000-0x00000000026C0000-memory.dmp

memory/1168-10-0x0000000077541000-0x0000000077542000-memory.dmp

memory/2308-9-0x00000000776EF000-0x00000000776F1000-memory.dmp

memory/2308-8-0x00000000776EF000-0x00000000776F0000-memory.dmp

memory/2308-7-0x00000000776F0000-0x00000000776F1000-memory.dmp

memory/2308-6-0x00000000001E0000-0x00000000001E6000-memory.dmp

memory/2308-11-0x00000000774F0000-0x0000000077699000-memory.dmp

memory/2556-12-0x0000000000400000-0x0000000000428000-memory.dmp

memory/2556-13-0x0000000001CC0000-0x00000000026C0000-memory.dmp

memory/1088-19-0x0000000000130000-0x0000000000136000-memory.dmp

memory/1168-21-0x0000000002490000-0x0000000002496000-memory.dmp

memory/1080-23-0x0000000077541000-0x0000000077542000-memory.dmp

memory/1080-22-0x0000000000320000-0x0000000000326000-memory.dmp

memory/1088-24-0x0000000000130000-0x0000000000136000-memory.dmp

memory/1168-25-0x0000000002490000-0x0000000002496000-memory.dmp

memory/2308-29-0x00000000001E0000-0x00000000001E6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-26 11:06

Reported

2024-06-26 11:08

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

150s

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-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\B74E1CB2 = "C:\\Users\\Admin\\AppData\\Roaming\\B74E1CB2\\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

Processes

C:\Windows\system32\sihost.exe

sihost.exe

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\11c9674455a75ac34882c6151277cf1a_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\11c9674455a75ac34882c6151277cf1a_JaffaCakes118.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 3424 -ip 3424

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3424 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 80.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 9.179.89.13.in-addr.arpa udp

Files

memory/4972-0-0x0000000000400000-0x0000000000428000-memory.dmp

memory/4972-1-0x0000000002030000-0x0000000002031000-memory.dmp

memory/3444-3-0x0000000002EF0000-0x0000000002EF6000-memory.dmp

memory/3444-2-0x0000000002EF0000-0x0000000002EF6000-memory.dmp

memory/4972-4-0x0000000002090000-0x0000000002A90000-memory.dmp

memory/3444-5-0x00007FFA8FF2D000-0x00007FFA8FF2E000-memory.dmp

memory/3424-6-0x00007FFA8FE90000-0x00007FFA90085000-memory.dmp

memory/4972-7-0x0000000000400000-0x0000000000428000-memory.dmp

memory/4972-8-0x0000000002090000-0x0000000002A90000-memory.dmp

memory/3424-10-0x0000000002100000-0x0000000002106000-memory.dmp

memory/2904-12-0x0000000000DF0000-0x0000000000DF6000-memory.dmp

memory/3424-13-0x0000000002100000-0x0000000002106000-memory.dmp