Malware Analysis Report

2025-01-19 07:24

Sample ID 231127-c8jmqadh47
Target 0a312db0ff6d26cda314cb37a06f39ff9a1ea1dbcc4f1f39992cae9f312571c4
SHA256 0a312db0ff6d26cda314cb37a06f39ff9a1ea1dbcc4f1f39992cae9f312571c4
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

0a312db0ff6d26cda314cb37a06f39ff9a1ea1dbcc4f1f39992cae9f312571c4

Threat Level: Known bad

The file 0a312db0ff6d26cda314cb37a06f39ff9a1ea1dbcc4f1f39992cae9f312571c4 was found to be: Known bad.

Malicious Activity Summary

tinba banker persistence trojan

Tinba / TinyBanker

Adds Run key to start application

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Modifies data under HKEY_USERS

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-11-27 02:44

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-11-27 02:44

Reported

2023-11-27 02:47

Platform

win7-20231025-en

Max time kernel

149s

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-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Windows\CurrentVersion\Run\343A6570 = "C:\\Users\\Admin\\AppData\\Roaming\\343A6570\\bin.exe" C:\Windows\SysWOW64\winver.exe N/A

Enumerates physical storage devices

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

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A 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\taskhost.exe

"taskhost.exe"

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\Dwm.exe

"C:\Windows\system32\Dwm.exe"

C:\Users\Admin\AppData\Local\Temp\0a312db0ff6d26cda314cb37a06f39ff9a1ea1dbcc4f1f39992cae9f312571c4.exe

"C:\Users\Admin\AppData\Local\Temp\0a312db0ff6d26cda314cb37a06f39ff9a1ea1dbcc4f1f39992cae9f312571c4.exe"

C:\Windows\SysWOW64\winver.exe

winver

Network

Country Destination Domain Proto
US 8.8.8.8:53 elitiorecfreetoo.cc udp
US 216.218.185.162:80 elitiorecfreetoo.cc tcp

Files

memory/2248-0-0x0000000004320000-0x0000000005422000-memory.dmp

memory/2248-1-0x00000000004D0000-0x00000000004D1000-memory.dmp

memory/2248-2-0x0000000004320000-0x0000000005422000-memory.dmp

memory/1208-4-0x0000000002A20000-0x0000000002A26000-memory.dmp

memory/2248-5-0x0000000005830000-0x0000000006230000-memory.dmp

memory/2540-7-0x0000000000090000-0x0000000000096000-memory.dmp

memory/2540-10-0x0000000000450000-0x0000000000466000-memory.dmp

memory/2540-11-0x0000000000090000-0x0000000000096000-memory.dmp

memory/1208-9-0x0000000002A20000-0x0000000002A26000-memory.dmp

memory/1208-12-0x00000000770B1000-0x00000000770B2000-memory.dmp

memory/2540-8-0x0000000000090000-0x0000000000096000-memory.dmp

memory/1208-6-0x0000000002A20000-0x0000000002A26000-memory.dmp

memory/2540-13-0x0000000077260000-0x0000000077261000-memory.dmp

memory/2540-15-0x000000007725F000-0x0000000077261000-memory.dmp

memory/2540-14-0x000000007725F000-0x0000000077260000-memory.dmp

memory/2248-17-0x0000000000400000-0x000000000043D000-memory.dmp

memory/2248-18-0x0000000005830000-0x0000000006230000-memory.dmp

memory/1136-20-0x00000000001A0000-0x00000000001A6000-memory.dmp

memory/1136-22-0x00000000001A0000-0x00000000001A6000-memory.dmp

memory/1136-24-0x00000000770B1000-0x00000000770B2000-memory.dmp

memory/1180-23-0x0000000000420000-0x0000000000426000-memory.dmp

memory/1180-27-0x0000000000420000-0x0000000000426000-memory.dmp

memory/1208-28-0x0000000002A30000-0x0000000002A36000-memory.dmp

memory/1208-31-0x0000000002A30000-0x0000000002A36000-memory.dmp

memory/2540-32-0x00000000001C0000-0x00000000001C6000-memory.dmp

memory/2540-33-0x0000000000150000-0x0000000000151000-memory.dmp

memory/2540-34-0x00000000001C0000-0x00000000001C6000-memory.dmp

memory/2540-35-0x0000000000160000-0x0000000000161000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-11-27 02:44

Reported

2023-11-27 02:47

Platform

win10v2004-20231023-en

Max time kernel

48s

Max time network

95s

Command Line

sihost.exe

Signatures

Enumerates physical storage devices

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client" C:\Windows\System32\svchost.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\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\0a312db0ff6d26cda314cb37a06f39ff9a1ea1dbcc4f1f39992cae9f312571c4.exe

"C:\Users\Admin\AppData\Local\Temp\0a312db0ff6d26cda314cb37a06f39ff9a1ea1dbcc4f1f39992cae9f312571c4.exe"

C:\Windows\System32\svchost.exe

C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman

C:\Windows\SysWOW64\winver.exe

winver

Network

Country Destination Domain Proto
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 1.202.248.87.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 138.175.53.84.in-addr.arpa udp
US 8.8.8.8:53 elitiorecfreetoo.cc udp

Files

memory/2636-2-0x0000000003D80000-0x0000000003D81000-memory.dmp

memory/2636-1-0x0000000004520000-0x0000000005622000-memory.dmp

memory/2636-3-0x0000000004520000-0x0000000005622000-memory.dmp

memory/3356-5-0x0000000000660000-0x0000000000666000-memory.dmp

memory/2636-8-0x0000000005730000-0x0000000006130000-memory.dmp

memory/3356-7-0x0000000000660000-0x0000000000666000-memory.dmp

memory/2964-6-0x0000000000DB0000-0x0000000000DB6000-memory.dmp

memory/3356-10-0x00007FFC8612D000-0x00007FFC8612E000-memory.dmp

memory/2964-12-0x0000000000C20000-0x0000000000C32000-memory.dmp

memory/2964-11-0x0000000077652000-0x0000000077653000-memory.dmp

memory/2964-9-0x0000000000DB0000-0x0000000000DB6000-memory.dmp

memory/2636-14-0x0000000000400000-0x000000000043D000-memory.dmp

memory/2636-15-0x0000000005730000-0x0000000006130000-memory.dmp

memory/2924-16-0x0000000000C10000-0x0000000000C16000-memory.dmp

memory/2988-17-0x0000000000570000-0x0000000000576000-memory.dmp

memory/3356-19-0x00000000025A0000-0x00000000025A6000-memory.dmp

memory/2988-22-0x0000000000570000-0x0000000000576000-memory.dmp

memory/3048-18-0x0000000000700000-0x0000000000706000-memory.dmp

memory/3356-24-0x00000000025A0000-0x00000000025A6000-memory.dmp

memory/3512-21-0x0000000000760000-0x0000000000766000-memory.dmp

memory/2924-20-0x0000000000C10000-0x0000000000C16000-memory.dmp

memory/3752-23-0x0000000000270000-0x0000000000276000-memory.dmp