Malware Analysis Report

2024-09-09 17:01

Sample ID 240605-wyjdradh81
Target 063ecabc71c1133d62d341d11561510a139afc06e3f7d978c9c1f9bec79affc7
SHA256 063ecabc71c1133d62d341d11561510a139afc06e3f7d978c9c1f9bec79affc7
Tags
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

063ecabc71c1133d62d341d11561510a139afc06e3f7d978c9c1f9bec79affc7

Threat Level: Known bad

The file 063ecabc71c1133d62d341d11561510a139afc06e3f7d978c9c1f9bec79affc7 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 UnmapMainImage

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of SendNotifyMessage

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-05 18:19

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-05 18:19

Reported

2024-06-05 18:23

Platform

win7-20240221-en

Max time kernel

148s

Max time network

150s

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-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\349C6366 = "C:\\Users\\Admin\\AppData\\Roaming\\349C6366\\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 WriteProcessMemory

Description Indicator Process Target
PID 1904 wrote to memory of 2268 N/A C:\Users\Admin\AppData\Local\Temp\063ecabc71c1133d62d341d11561510a139afc06e3f7d978c9c1f9bec79affc7.exe C:\Windows\SysWOW64\winver.exe
PID 1904 wrote to memory of 2268 N/A C:\Users\Admin\AppData\Local\Temp\063ecabc71c1133d62d341d11561510a139afc06e3f7d978c9c1f9bec79affc7.exe C:\Windows\SysWOW64\winver.exe
PID 1904 wrote to memory of 2268 N/A C:\Users\Admin\AppData\Local\Temp\063ecabc71c1133d62d341d11561510a139afc06e3f7d978c9c1f9bec79affc7.exe C:\Windows\SysWOW64\winver.exe
PID 1904 wrote to memory of 2268 N/A C:\Users\Admin\AppData\Local\Temp\063ecabc71c1133d62d341d11561510a139afc06e3f7d978c9c1f9bec79affc7.exe C:\Windows\SysWOW64\winver.exe
PID 1904 wrote to memory of 2268 N/A C:\Users\Admin\AppData\Local\Temp\063ecabc71c1133d62d341d11561510a139afc06e3f7d978c9c1f9bec79affc7.exe C:\Windows\SysWOW64\winver.exe
PID 2268 wrote to memory of 1188 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 2268 wrote to memory of 1060 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\taskhost.exe
PID 2268 wrote to memory of 1164 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\Dwm.exe
PID 2268 wrote to memory of 1188 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 2268 wrote to memory of 2260 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\DllHost.exe
PID 2268 wrote to memory of 1904 N/A C:\Windows\SysWOW64\winver.exe C:\Users\Admin\AppData\Local\Temp\063ecabc71c1133d62d341d11561510a139afc06e3f7d978c9c1f9bec79affc7.exe

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\063ecabc71c1133d62d341d11561510a139afc06e3f7d978c9c1f9bec79affc7.exe

"C:\Users\Admin\AppData\Local\Temp\063ecabc71c1133d62d341d11561510a139afc06e3f7d978c9c1f9bec79affc7.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 insamertojertoq.cc udp
US 8.8.8.8:53 yxjsibeugmmj.com udp
US 216.218.185.162:80 yxjsibeugmmj.com tcp

Files

memory/1904-6-0x0000000002480000-0x0000000002E80000-memory.dmp

memory/2268-13-0x0000000077590000-0x0000000077739000-memory.dmp

memory/1188-12-0x00000000775E1000-0x00000000775E2000-memory.dmp

memory/2268-11-0x00000000001A0000-0x00000000001A1000-memory.dmp

memory/2268-10-0x000000007778F000-0x0000000077791000-memory.dmp

memory/2268-9-0x000000007778F000-0x0000000077790000-memory.dmp

memory/2268-8-0x0000000077790000-0x0000000077791000-memory.dmp

memory/2268-7-0x00000000000B0000-0x00000000000B6000-memory.dmp

memory/1188-5-0x0000000002EC0000-0x0000000002EC6000-memory.dmp

memory/2268-3-0x00000000000B0000-0x00000000000B6000-memory.dmp

memory/1188-2-0x0000000002EC0000-0x0000000002EC6000-memory.dmp

memory/1188-1-0x0000000002EC0000-0x0000000002EC6000-memory.dmp

memory/1904-0-0x0000000000250000-0x0000000000252000-memory.dmp

memory/2260-31-0x00000000775E1000-0x00000000775E2000-memory.dmp

memory/1904-32-0x0000000002480000-0x0000000002E80000-memory.dmp

memory/2260-30-0x00000000002F0000-0x00000000002F6000-memory.dmp

memory/1060-29-0x00000000775E1000-0x00000000775E2000-memory.dmp

memory/1060-28-0x0000000000210000-0x0000000000216000-memory.dmp

memory/1164-27-0x0000000000390000-0x0000000000396000-memory.dmp

memory/1188-26-0x0000000002ED0000-0x0000000002ED6000-memory.dmp

memory/1904-24-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2260-22-0x00000000002F0000-0x00000000002F6000-memory.dmp

memory/1188-20-0x0000000002ED0000-0x0000000002ED6000-memory.dmp

memory/1164-17-0x0000000000390000-0x0000000000396000-memory.dmp

memory/1060-15-0x0000000000210000-0x0000000000216000-memory.dmp

memory/2268-38-0x00000000000B0000-0x00000000000B6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-05 18:19

Reported

2024-06-05 18:23

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

150s

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

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\063ecabc71c1133d62d341d11561510a139afc06e3f7d978c9c1f9bec79affc7.exe

"C:\Users\Admin\AppData\Local\Temp\063ecabc71c1133d62d341d11561510a139afc06e3f7d978c9c1f9bec79affc7.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1112 -ip 1112

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 640

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.google.com udp
US 8.8.8.8:53 insamertojertoq.cc udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
BE 88.221.83.249:443 www.bing.com tcp
US 8.8.8.8:53 249.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 211.143.182.52.in-addr.arpa udp

Files

memory/1112-2-0x0000000000550000-0x0000000000556000-memory.dmp

memory/3464-1-0x00000000015E0000-0x00000000015E6000-memory.dmp

memory/3464-4-0x00000000015E0000-0x00000000015E6000-memory.dmp

memory/3636-0-0x0000000000470000-0x0000000000472000-memory.dmp

memory/3636-5-0x0000000002420000-0x0000000002E20000-memory.dmp

memory/3464-8-0x00007FFA9336D000-0x00007FFA9336E000-memory.dmp

memory/1112-7-0x0000000077152000-0x0000000077153000-memory.dmp

memory/1112-6-0x0000000000550000-0x0000000000556000-memory.dmp

memory/1112-9-0x00007FFA932D0000-0x00007FFA934C5000-memory.dmp

memory/3464-10-0x00007FFA93500000-0x00007FFA93501000-memory.dmp

memory/2808-12-0x0000000000030000-0x0000000000036000-memory.dmp

memory/3636-11-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2808-13-0x0000000000030000-0x0000000000036000-memory.dmp

memory/1112-14-0x0000000000550000-0x0000000000556000-memory.dmp

memory/2808-16-0x00007FFA934F0000-0x00007FFA934F1000-memory.dmp