Malware Analysis Report

2024-09-09 17:07

Sample ID 240719-1edfls1bql
Target 0e80339df2c569ab4931d0c1d24caea0N.exe
SHA256 af9ec6de75439ef70ac160b07e6d5924eec4ec4465e5b5ed159ef040db17ca79
Tags
tinba banker persistence trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

af9ec6de75439ef70ac160b07e6d5924eec4ec4465e5b5ed159ef040db17ca79

Threat Level: Known bad

The file 0e80339df2c569ab4931d0c1d24caea0N.exe was found to be: Known bad.

Malicious Activity Summary

tinba banker persistence trojan

Tinba / TinyBanker

Adds Run key to start application

Unsigned PE

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of UnmapMainImage

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-07-19 21:33

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-19 21:33

Reported

2024-07-19 21:35

Platform

win10v2004-20240709-en

Max time kernel

119s

Max time network

112s

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\0e80339df2c569ab4931d0c1d24caea0N.exe

"C:\Users\Admin\AppData\Local\Temp\0e80339df2c569ab4931d0c1d24caea0N.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4616 -ip 4616

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4616 -s 632

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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 121.170.16.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp

Files

memory/2380-0-0x00000000006D0000-0x00000000006D2000-memory.dmp

memory/3516-1-0x0000000002CD0000-0x0000000002CD6000-memory.dmp

memory/3516-4-0x0000000002CD0000-0x0000000002CD6000-memory.dmp

memory/4616-2-0x00000000009B0000-0x00000000009B6000-memory.dmp

memory/2380-5-0x0000000002370000-0x0000000002D70000-memory.dmp

memory/3516-7-0x00007FFE5C72D000-0x00007FFE5C72E000-memory.dmp

memory/4616-6-0x00000000779F2000-0x00000000779F3000-memory.dmp

memory/4616-8-0x00007FFE5C690000-0x00007FFE5C885000-memory.dmp

memory/2676-9-0x0000000000C10000-0x0000000000C16000-memory.dmp

memory/2676-10-0x0000000000C10000-0x0000000000C16000-memory.dmp

memory/2380-11-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2676-12-0x00007FFE5C8B0000-0x00007FFE5C8B1000-memory.dmp

memory/4616-14-0x00000000009B0000-0x00000000009B6000-memory.dmp

memory/3516-16-0x00007FFE5C8C0000-0x00007FFE5C8C1000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-19 21:33

Reported

2024-07-19 21:35

Platform

win7-20240708-en

Max time kernel

119s

Max time network

119s

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-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\E56DF0B7 = "C:\\Users\\Admin\\AppData\\Roaming\\E56DF0B7\\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

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:\Windows\system32\DllHost.exe

C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}

C:\Users\Admin\AppData\Local\Temp\0e80339df2c569ab4931d0c1d24caea0N.exe

"C:\Users\Admin\AppData\Local\Temp\0e80339df2c569ab4931d0c1d24caea0N.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/3068-3-0x00000000000F0000-0x00000000000F6000-memory.dmp

memory/1192-2-0x00000000025C0000-0x00000000025C6000-memory.dmp

memory/1192-1-0x00000000025C0000-0x00000000025C6000-memory.dmp

memory/2968-0-0x00000000001E0000-0x00000000001E2000-memory.dmp

memory/2968-6-0x0000000002440000-0x0000000002E40000-memory.dmp

memory/1192-5-0x00000000025C0000-0x00000000025C6000-memory.dmp

memory/3068-13-0x00000000772D0000-0x0000000077479000-memory.dmp

memory/1192-12-0x0000000077321000-0x0000000077322000-memory.dmp

memory/3068-11-0x00000000001E0000-0x00000000001E1000-memory.dmp

memory/3068-10-0x00000000774CF000-0x00000000774D1000-memory.dmp

memory/3068-9-0x00000000774CF000-0x00000000774D0000-memory.dmp

memory/3068-8-0x00000000774D0000-0x00000000774D1000-memory.dmp

memory/3068-7-0x00000000000F0000-0x00000000000F6000-memory.dmp

memory/2968-14-0x0000000000400000-0x000000000041D000-memory.dmp

memory/1292-24-0x0000000001E20000-0x0000000001E26000-memory.dmp

memory/1292-32-0x0000000077321000-0x0000000077322000-memory.dmp

memory/1292-31-0x0000000001E20000-0x0000000001E26000-memory.dmp

memory/1192-30-0x0000000002D80000-0x0000000002D86000-memory.dmp

memory/1156-29-0x00000000001B0000-0x00000000001B6000-memory.dmp

memory/1108-28-0x0000000077321000-0x0000000077322000-memory.dmp

memory/1108-27-0x0000000000210000-0x0000000000216000-memory.dmp

memory/1192-22-0x0000000002D80000-0x0000000002D86000-memory.dmp

memory/1156-19-0x00000000001B0000-0x00000000001B6000-memory.dmp

memory/1108-16-0x0000000000210000-0x0000000000216000-memory.dmp

memory/3068-38-0x00000000000F0000-0x00000000000F6000-memory.dmp