Malware Analysis Report

2025-01-19 07:27

Sample ID 231102-t73gwaad28
Target NEAS.482c3e2e3cc73e69e1536e0a85385d20.exe
SHA256 10b7fb1e6549953e9f90379ba2ec971514ea9047da7a1312c397d6238e28b01a
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

10b7fb1e6549953e9f90379ba2ec971514ea9047da7a1312c397d6238e28b01a

Threat Level: Known bad

The file NEAS.482c3e2e3cc73e69e1536e0a85385d20.exe 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 behavior: GetForegroundWindowSpam

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious use of UnmapMainImage

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-11-02 16:42

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
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-11-02 16:42

Reported

2023-11-02 17:34

Platform

win7-20231020-en

Max time kernel

152s

Max time network

154s

Command Line

C:\Windows\Explorer.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-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Windows\CurrentVersion\Run\E5906F40 = "C:\\Users\\Admin\\AppData\\Roaming\\E5906F40\\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 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

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\Dwm.exe

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

C:\Windows\system32\taskhost.exe

"taskhost.exe"

C:\Users\Admin\AppData\Local\Temp\NEAS.482c3e2e3cc73e69e1536e0a85385d20.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.482c3e2e3cc73e69e1536e0a85385d20.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

Files

memory/1260-0-0x0000000000400000-0x000000000041D000-memory.dmp

memory/1260-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1260-3-0x0000000001BB0000-0x00000000025B0000-memory.dmp

memory/1268-2-0x0000000002A10000-0x0000000002A16000-memory.dmp

memory/2176-4-0x0000000000090000-0x0000000000096000-memory.dmp

memory/1268-6-0x0000000002A10000-0x0000000002A16000-memory.dmp

memory/1268-11-0x0000000077351000-0x0000000077352000-memory.dmp

memory/2176-10-0x0000000077500000-0x0000000077501000-memory.dmp

memory/2176-9-0x00000000774FF000-0x0000000077501000-memory.dmp

memory/2176-8-0x00000000774FF000-0x0000000077500000-memory.dmp

memory/2176-7-0x0000000000600000-0x0000000000616000-memory.dmp

memory/1260-12-0x0000000000400000-0x000000000041D000-memory.dmp

memory/1260-13-0x0000000001BB0000-0x00000000025B0000-memory.dmp

memory/1268-14-0x00000000774E0000-0x00000000774E1000-memory.dmp

memory/2176-16-0x0000000000090000-0x0000000000096000-memory.dmp

memory/2176-17-0x00000000000D0000-0x00000000000D1000-memory.dmp

memory/1180-21-0x0000000001AC0000-0x0000000001AC6000-memory.dmp

memory/1268-23-0x00000000029C0000-0x00000000029C6000-memory.dmp

memory/1180-24-0x0000000001AC0000-0x0000000001AC6000-memory.dmp

memory/1180-25-0x0000000077351000-0x0000000077352000-memory.dmp

memory/1120-26-0x00000000001A0000-0x00000000001A6000-memory.dmp

memory/1268-27-0x00000000029C0000-0x00000000029C6000-memory.dmp

memory/2176-31-0x0000000000190000-0x0000000000191000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-11-02 16:42

Reported

2023-11-02 17:34

Platform

win10v2004-20231023-en

Max time kernel

24s

Max time network

37s

Command Line

C:\Windows\Explorer.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-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\53787E67 = "C:\\Users\\Admin\\AppData\\Roaming\\53787E67\\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\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\taskhostw.exe

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

C:\Windows\system32\svchost.exe

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

C:\Windows\system32\sihost.exe

sihost.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.482c3e2e3cc73e69e1536e0a85385d20.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.482c3e2e3cc73e69e1536e0a85385d20.exe"

C:\Windows\SysWOW64\winver.exe

winver

Network

Country Destination Domain Proto
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 121.252.72.23.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp

Files

memory/3584-0-0x0000000000400000-0x000000000041D000-memory.dmp

memory/3584-1-0x00000000005A0000-0x00000000005A1000-memory.dmp

memory/3584-2-0x00000000022F0000-0x0000000002CF0000-memory.dmp

memory/3584-3-0x0000000000400000-0x000000000041D000-memory.dmp

memory/3584-5-0x00000000022F0000-0x0000000002CF0000-memory.dmp

memory/4928-6-0x0000000001140000-0x0000000001146000-memory.dmp

memory/3356-8-0x0000000000690000-0x0000000000696000-memory.dmp

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

memory/4928-11-0x0000000077652000-0x0000000077653000-memory.dmp

memory/3356-13-0x00007FFC862B0000-0x00007FFC862B1000-memory.dmp

memory/4928-14-0x0000000001140000-0x0000000001146000-memory.dmp

memory/3356-15-0x00007FFC862C0000-0x00007FFC862C1000-memory.dmp

memory/2988-19-0x0000000000570000-0x0000000000576000-memory.dmp

memory/2924-21-0x0000000000C10000-0x0000000000C16000-memory.dmp

memory/3048-20-0x0000000000700000-0x0000000000706000-memory.dmp

memory/3356-23-0x00000000025B0000-0x00000000025B6000-memory.dmp

memory/2988-22-0x00007FFC8612D000-0x00007FFC8612E000-memory.dmp

memory/3048-25-0x0000000000700000-0x0000000000706000-memory.dmp

memory/3512-24-0x0000000000760000-0x0000000000766000-memory.dmp