Malware Analysis Report

2024-10-19 13:24

Sample ID 240405-kjprfaga88
Target cecc78ed347139f523e7cbf43fb89bdc_JaffaCakes118
SHA256 04217896a12cf9b3d6532adb25da13bc217b9df8a0a75ed075b2c92ab8dfe129
Tags
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

04217896a12cf9b3d6532adb25da13bc217b9df8a0a75ed075b2c92ab8dfe129

Threat Level: Known bad

The file cecc78ed347139f523e7cbf43fb89bdc_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

tinba banker persistence trojan

Tinba / TinyBanker

Adds Run key to start application

Program crash

Unsigned PE

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of SendNotifyMessage

Suspicious use of UnmapMainImage

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-05 08:38

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-05 08:38

Reported

2024-04-05 08:40

Platform

win7-20240220-en

Max time kernel

149s

Max time network

146s

Command Line

"taskhost.exe"

Signatures

Tinba / TinyBanker

trojan banker tinba

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\248F42C9 = "C:\\Users\\Admin\\AppData\\Roaming\\248F42C9\\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

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\cecc78ed347139f523e7cbf43fb89bdc_JaffaCakes118.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\cecc78ed347139f523e7cbf43fb89bdc_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\cecc78ed347139f523e7cbf43fb89bdc_JaffaCakes118.exe"

C:\Windows\SysWOW64\winver.exe

winver

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.google.com udp
US 8.8.8.8:53 cbunahtesting.com udp
US 216.218.185.162:80 cbunahtesting.com tcp
US 8.8.8.8:53 rstmnryjbwhh.com udp
US 8.8.8.8:53 rstmnryjbwhh.net udp
US 216.218.185.162:80 rstmnryjbwhh.net tcp
US 8.8.8.8:53 xgfvwviqgplg.com udp
US 162.249.66.128:80 xgfvwviqgplg.com tcp
US 8.8.8.8:53 lhponcvvrckl.com udp
US 216.218.185.162:80 lhponcvvrckl.com tcp
US 8.8.8.8:53 mmqyunmssbgl.com udp
US 216.218.185.162:80 mmqyunmssbgl.com tcp
US 8.8.8.8:53 bunipxttfccq.com udp
US 8.8.8.8:53 bunipxttfccq.net udp
US 8.8.8.8:53 bunipxttfccq.info udp
US 216.218.185.162:80 bunipxttfccq.info tcp
US 8.8.8.8:53 pvrjjbumhwji.com udp
US 8.8.8.8:53 pvrjjbumhwji.net udp
US 8.8.8.8:53 pvrjjbumhwji.info udp
US 216.218.185.162:80 pvrjjbumhwji.info tcp
US 8.8.8.8:53 dxdkeferjcfk.com udp
US 8.8.8.8:53 dxdkeferjcfk.net udp
US 8.8.8.8:53 dxdkeferjcfk.info udp
US 216.218.185.162:80 dxdkeferjcfk.info tcp
US 8.8.8.8:53 pillyeunkcol.com udp
US 216.218.185.162:80 pillyeunkcol.com tcp

Files

memory/2792-0-0x0000000000400000-0x000000000045D000-memory.dmp

memory/2792-2-0x00000000001F0000-0x00000000001F2000-memory.dmp

memory/2792-1-0x0000000000400000-0x0000000000405000-memory.dmp

memory/2792-3-0x0000000001FE0000-0x00000000029E0000-memory.dmp

memory/1196-5-0x0000000002560000-0x0000000002567000-memory.dmp

memory/1196-7-0x0000000002560000-0x0000000002567000-memory.dmp

memory/2144-6-0x0000000000120000-0x0000000000127000-memory.dmp

memory/1196-4-0x0000000002560000-0x0000000002567000-memory.dmp

memory/2144-8-0x0000000000120000-0x0000000000127000-memory.dmp

memory/2144-10-0x00000000774C0000-0x00000000774C1000-memory.dmp

memory/2144-12-0x00000000774BF000-0x00000000774C1000-memory.dmp

memory/2144-9-0x00000000009F0000-0x0000000000A06000-memory.dmp

memory/2144-11-0x00000000774BF000-0x00000000774C0000-memory.dmp

memory/1196-13-0x0000000077311000-0x0000000077312000-memory.dmp

memory/2144-14-0x00000000001E0000-0x00000000001E1000-memory.dmp

memory/2144-15-0x00000000001F0000-0x00000000001F1000-memory.dmp

memory/2792-16-0x0000000000400000-0x0000000000404A00-memory.dmp

memory/2792-17-0x0000000001FE0000-0x00000000029E0000-memory.dmp

memory/1060-20-0x0000000001ED0000-0x0000000001ED7000-memory.dmp

memory/1140-23-0x0000000000130000-0x0000000000137000-memory.dmp

memory/1060-25-0x0000000001ED0000-0x0000000001ED7000-memory.dmp

memory/1196-28-0x0000000002570000-0x0000000002577000-memory.dmp

memory/1140-29-0x0000000000130000-0x0000000000137000-memory.dmp

memory/1488-32-0x0000000000340000-0x0000000000347000-memory.dmp

memory/1196-31-0x0000000002570000-0x0000000002577000-memory.dmp

memory/1060-27-0x0000000077311000-0x0000000077312000-memory.dmp

memory/1488-33-0x0000000000340000-0x0000000000347000-memory.dmp

memory/1488-34-0x0000000077311000-0x0000000077312000-memory.dmp

memory/2144-40-0x0000000000120000-0x0000000000127000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-05 08:38

Reported

2024-04-05 08:40

Platform

win10v2004-20231215-en

Max time kernel

149s

Max time network

149s

Command Line

sihost.exe

Signatures

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\cecc78ed347139f523e7cbf43fb89bdc_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\cecc78ed347139f523e7cbf43fb89bdc_JaffaCakes118.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2156 -ip 2156

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2156 -s 636

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 www.google.com udp
US 8.8.8.8:53 cbunahtesting.com udp
US 8.8.8.8:53 138.136.73.23.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 216.218.185.162:80 cbunahtesting.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 150.1.37.23.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 145.136.73.23.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp

Files

memory/4684-0-0x0000000000400000-0x000000000045D000-memory.dmp

memory/4684-2-0x00000000021C0000-0x00000000021C2000-memory.dmp

memory/4684-1-0x0000000000400000-0x0000000000405000-memory.dmp

memory/4684-4-0x0000000002530000-0x0000000002F30000-memory.dmp

memory/2156-7-0x0000000076FF2000-0x0000000076FF3000-memory.dmp

memory/3492-3-0x0000000002950000-0x0000000002957000-memory.dmp

memory/3492-6-0x0000000002950000-0x0000000002957000-memory.dmp

memory/2156-8-0x0000000000CD0000-0x0000000000CD7000-memory.dmp

memory/2156-5-0x0000000000CD0000-0x0000000000CD7000-memory.dmp

memory/3492-9-0x00007FFFD602D000-0x00007FFFD602E000-memory.dmp

memory/2156-10-0x0000000000CD0000-0x0000000000CD7000-memory.dmp

memory/4684-12-0x0000000000400000-0x0000000000404A00-memory.dmp

memory/4684-13-0x0000000002530000-0x0000000002F30000-memory.dmp

memory/2812-14-0x00000000002C0000-0x00000000002C7000-memory.dmp

memory/2812-15-0x00000000002C0000-0x00000000002C7000-memory.dmp

memory/2156-17-0x0000000000CD0000-0x0000000000CD7000-memory.dmp

memory/2156-16-0x0000000000CD0000-0x0000000000CD7000-memory.dmp