Malware Analysis Report

2024-10-19 13:23

Sample ID 240405-dhnpesbc47
Target c8f4bba95b86ba61ec57e8f38461144d_JaffaCakes118
SHA256 c393f34580537fc37b934bbb2874b099b8fd0737d6c4ec4d119391023b696122
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

c393f34580537fc37b934bbb2874b099b8fd0737d6c4ec4d119391023b696122

Threat Level: Known bad

The file c8f4bba95b86ba61ec57e8f38461144d_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 behavior: EnumeratesProcesses

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-05 03:00

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

2024-04-05 03:00

Reported

2024-04-05 03:03

Platform

win7-20231129-en

Max time kernel

149s

Max time network

148s

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-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\4E7E2304 = "C:\\Users\\Admin\\AppData\\Roaming\\4E7E2304\\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

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\c8f4bba95b86ba61ec57e8f38461144d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\c8f4bba95b86ba61ec57e8f38461144d_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
US 8.8.8.8:53 jtossnoccjfm.pw udp
US 216.218.185.162:80 jtossnoccjfm.pw tcp
US 8.8.8.8:53 hhpwpytlktyf.pw udp
US 216.218.185.162:80 hhpwpytlktyf.pw tcp
US 8.8.8.8:53 glmjfejgdoox.pw udp
US 216.218.185.162:80 glmjfejgdoox.pw tcp
US 8.8.8.8:53 mlydtwnhlibu.pw udp
US 216.218.185.162:80 mlydtwnhlibu.pw tcp
US 8.8.8.8:53 trtelsxturst.pw udp
US 216.218.185.162:80 trtelsxturst.pw tcp
US 8.8.8.8:53 xtmgfmcjrbip.pw udp
US 216.218.185.162:80 xtmgfmcjrbip.pw tcp
US 8.8.8.8:53 vvlxqqihhifb.pw udp
US 216.218.185.162:80 vvlxqqihhifb.pw tcp
US 8.8.8.8:53 vfybgpxvyrmv.pw udp
US 216.218.185.162:80 vfybgpxvyrmv.pw tcp

Files

memory/1368-0-0x0000000000400000-0x0000000000428000-memory.dmp

memory/1368-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1260-4-0x00000000025F0000-0x00000000025F6000-memory.dmp

memory/1368-3-0x0000000001D80000-0x0000000002780000-memory.dmp

memory/2520-6-0x00000000000F0000-0x00000000000F6000-memory.dmp

memory/1260-5-0x00000000025F0000-0x00000000025F6000-memory.dmp

memory/1260-10-0x0000000076D41000-0x0000000076D42000-memory.dmp

memory/2520-9-0x0000000076EEF000-0x0000000076EF1000-memory.dmp

memory/2520-8-0x0000000076EEF000-0x0000000076EF0000-memory.dmp

memory/2520-7-0x0000000076EF0000-0x0000000076EF1000-memory.dmp

memory/1260-2-0x00000000025F0000-0x00000000025F6000-memory.dmp

memory/2520-11-0x00000000002A0000-0x00000000002B6000-memory.dmp

memory/1368-12-0x0000000000400000-0x0000000000428000-memory.dmp

memory/1368-13-0x0000000001D80000-0x0000000002780000-memory.dmp

memory/2520-16-0x0000000000260000-0x0000000000261000-memory.dmp

memory/1228-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

memory/1260-22-0x00000000025A0000-0x00000000025A6000-memory.dmp

memory/1124-24-0x0000000076D41000-0x0000000076D42000-memory.dmp

memory/1124-23-0x0000000001F10000-0x0000000001F16000-memory.dmp

memory/1228-25-0x00000000001B0000-0x00000000001B6000-memory.dmp

memory/1260-26-0x00000000025A0000-0x00000000025A6000-memory.dmp

memory/2520-30-0x0000000000270000-0x0000000000271000-memory.dmp

memory/2520-31-0x00000000000F0000-0x00000000000F6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-05 03:00

Reported

2024-04-05 03:03

Platform

win10v2004-20231215-en

Max time kernel

149s

Max time network

149s

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\7FA4054C = "C:\\Users\\Admin\\AppData\\Roaming\\7FA4054C\\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\c8f4bba95b86ba61ec57e8f38461144d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\c8f4bba95b86ba61ec57e8f38461144d_JaffaCakes118.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3532 -ip 3532

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3532 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
GB 23.44.234.16:80 tcp
US 8.8.8.8:53 150.1.37.23.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 65.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/1944-0-0x0000000000400000-0x0000000000428000-memory.dmp

memory/1944-1-0x0000000002170000-0x0000000002171000-memory.dmp

memory/3560-2-0x00000000020A0000-0x00000000020A6000-memory.dmp

memory/3560-3-0x00000000020A0000-0x00000000020A6000-memory.dmp

memory/1944-4-0x00000000021B0000-0x0000000002BB0000-memory.dmp

memory/3560-6-0x00007FFCCE1CD000-0x00007FFCCE1CE000-memory.dmp

memory/3532-5-0x0000000077272000-0x0000000077273000-memory.dmp

memory/3532-7-0x00000000028D0000-0x00000000028D6000-memory.dmp

memory/1944-8-0x0000000000400000-0x0000000000428000-memory.dmp

memory/1944-9-0x00000000021B0000-0x0000000002BB0000-memory.dmp

memory/2592-13-0x00000000002B0000-0x00000000002B6000-memory.dmp

memory/3532-14-0x00000000028D0000-0x00000000028D6000-memory.dmp