Malware Analysis Report

2024-10-19 13:24

Sample ID 240404-a8svaaac23
Target ab43217f4d1f579ece7f41004f9592ee_JaffaCakes118
SHA256 b00f2544b701d64e4fab888c93c2121e846a67b9f98a84713f2f03f5acda92a2
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

b00f2544b701d64e4fab888c93c2121e846a67b9f98a84713f2f03f5acda92a2

Threat Level: Known bad

The file ab43217f4d1f579ece7f41004f9592ee_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

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-04 00:53

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

2024-04-04 00:53

Reported

2024-04-04 00:55

Platform

win7-20240221-en

Max time kernel

150s

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-1-5-21-3787592910-3720486031-2929222812-1000\Software\Microsoft\Windows\CurrentVersion\Run\D26780F4 = "C:\\Users\\Admin\\AppData\\Roaming\\D26780F4\\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\ab43217f4d1f579ece7f41004f9592ee_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ab43217f4d1f579ece7f41004f9592ee_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
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
US 8.8.8.8:53 sotdecjvilon.pw udp
US 216.218.185.162:80 sotdecjvilon.pw tcp
US 8.8.8.8:53 tshouebcgjxq.pw udp
US 216.218.185.162:80 tshouebcgjxq.pw tcp
US 8.8.8.8:53 yxofisillqxw.pw udp
US 216.218.185.162:80 yxofisillqxw.pw tcp
US 8.8.8.8:53 kwbjqvbswhos.pw udp
US 216.218.185.162:80 kwbjqvbswhos.pw tcp

Files

memory/1740-0-0x0000000000400000-0x0000000000428000-memory.dmp

memory/1740-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1740-3-0x0000000001BB0000-0x00000000025B0000-memory.dmp

memory/1244-2-0x00000000029D0000-0x00000000029D6000-memory.dmp

memory/2584-4-0x0000000000140000-0x0000000000146000-memory.dmp

memory/2584-7-0x0000000000F20000-0x0000000000F36000-memory.dmp

memory/2584-9-0x0000000077A3F000-0x0000000077A41000-memory.dmp

memory/2584-8-0x0000000077A3F000-0x0000000077A40000-memory.dmp

memory/1244-11-0x0000000077891000-0x0000000077892000-memory.dmp

memory/2584-10-0x0000000077A40000-0x0000000077A41000-memory.dmp

memory/1244-6-0x00000000029D0000-0x00000000029D6000-memory.dmp

memory/1740-12-0x0000000000400000-0x0000000000428000-memory.dmp

memory/1740-13-0x0000000001BB0000-0x00000000025B0000-memory.dmp

memory/2584-15-0x0000000000140000-0x0000000000146000-memory.dmp

memory/2584-16-0x00000000001C0000-0x00000000001C1000-memory.dmp

memory/1180-21-0x0000000000120000-0x0000000000126000-memory.dmp

memory/1180-25-0x0000000077891000-0x0000000077892000-memory.dmp

memory/1116-26-0x0000000000250000-0x0000000000256000-memory.dmp

memory/1180-24-0x0000000000120000-0x0000000000126000-memory.dmp

memory/1244-23-0x0000000002980000-0x0000000002986000-memory.dmp

memory/1244-27-0x0000000002980000-0x0000000002986000-memory.dmp

memory/2584-31-0x0000000000140000-0x0000000000146000-memory.dmp

memory/2584-32-0x00000000001D0000-0x00000000001D1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-04 00:53

Reported

2024-04-04 00:55

Platform

win10v2004-20240226-en

Max time kernel

7s

Max time network

8s

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-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C06B3397 = "C:\\Users\\Admin\\AppData\\Roaming\\C06B3397\\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

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\system32\svchost.exe

C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc

C:\Windows\system32\taskhostw.exe

taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\ab43217f4d1f579ece7f41004f9592ee_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ab43217f4d1f579ece7f41004f9592ee_JaffaCakes118.exe"

C:\Windows\SysWOW64\winver.exe

winver

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 147.108.222.173.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp

Files

memory/2648-0-0x0000000000400000-0x0000000000428000-memory.dmp

memory/2648-1-0x0000000002170000-0x0000000002171000-memory.dmp

memory/3428-2-0x00000000010C0000-0x00000000010C6000-memory.dmp

memory/2648-4-0x00000000022E0000-0x0000000002CE0000-memory.dmp

memory/3428-3-0x00000000010C0000-0x00000000010C6000-memory.dmp

memory/3428-6-0x00007FFF0CDCD000-0x00007FFF0CDCE000-memory.dmp

memory/1504-5-0x0000000077B12000-0x0000000077B13000-memory.dmp

memory/1504-7-0x00000000025A0000-0x00000000025A6000-memory.dmp

memory/3428-8-0x00007FFF0CF60000-0x00007FFF0CF61000-memory.dmp

memory/2648-9-0x0000000000400000-0x0000000000428000-memory.dmp

memory/2648-10-0x00000000022E0000-0x0000000002CE0000-memory.dmp

memory/2844-14-0x0000000000C20000-0x0000000000C26000-memory.dmp

memory/2912-15-0x00000000006E0000-0x00000000006E6000-memory.dmp

memory/2768-17-0x0000000000FD0000-0x0000000000FD6000-memory.dmp

memory/3428-16-0x00000000010F0000-0x00000000010F6000-memory.dmp

memory/2912-21-0x00000000006E0000-0x00000000006E6000-memory.dmp