Malware Analysis Report

2025-01-19 07:39

Sample ID 241113-pxg1zasdrk
Target d29a2d5721500e7fb1d75bd1fee91ec4b6bf595a06c7944ac3bfcbb45d030589.exe
SHA256 d29a2d5721500e7fb1d75bd1fee91ec4b6bf595a06c7944ac3bfcbb45d030589
Tags
upx tinba banker discovery 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

d29a2d5721500e7fb1d75bd1fee91ec4b6bf595a06c7944ac3bfcbb45d030589

Threat Level: Known bad

The file d29a2d5721500e7fb1d75bd1fee91ec4b6bf595a06c7944ac3bfcbb45d030589.exe was found to be: Known bad.

Malicious Activity Summary

upx tinba banker discovery persistence trojan

Tinba family

Tinba / TinyBanker

Adds Run key to start application

UPX packed file

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of UnmapMainImage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 12:42

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

2024-11-13 12:42

Reported

2024-11-13 12:44

Platform

win7-20241010-en

Max time kernel

119s

Max time network

123s

Command Line

"taskhost.exe"

Signatures

Tinba / TinyBanker

trojan banker tinba

Tinba family

tinba

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\8D14BCEE = "C:\\Users\\Admin\\AppData\\Roaming\\8D14BCEE\\bin.exe" C:\Windows\SysWOW64\winver.exe N/A

UPX packed file

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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\d29a2d5721500e7fb1d75bd1fee91ec4b6bf595a06c7944ac3bfcbb45d030589.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 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

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\d29a2d5721500e7fb1d75bd1fee91ec4b6bf595a06c7944ac3bfcbb45d030589.exe

"C:\Users\Admin\AppData\Local\Temp\d29a2d5721500e7fb1d75bd1fee91ec4b6bf595a06c7944ac3bfcbb45d030589.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/564-0-0x0000000000400000-0x000000000041D000-memory.dmp

memory/564-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1180-3-0x0000000002780000-0x0000000002786000-memory.dmp

memory/1180-4-0x0000000002780000-0x0000000002786000-memory.dmp

memory/1180-2-0x0000000002780000-0x0000000002786000-memory.dmp

memory/564-5-0x0000000001C80000-0x0000000002680000-memory.dmp

memory/1396-11-0x0000000077B30000-0x0000000077CD9000-memory.dmp

memory/1180-10-0x0000000077B81000-0x0000000077B82000-memory.dmp

memory/1396-9-0x0000000077D2F000-0x0000000077D31000-memory.dmp

memory/1396-8-0x0000000077D2F000-0x0000000077D30000-memory.dmp

memory/1396-7-0x0000000077D30000-0x0000000077D31000-memory.dmp

memory/1396-6-0x00000000000D0000-0x00000000000D6000-memory.dmp

memory/564-12-0x0000000000400000-0x000000000041D000-memory.dmp

memory/564-13-0x0000000001C80000-0x0000000002680000-memory.dmp

memory/1180-22-0x00000000026B0000-0x00000000026B6000-memory.dmp

memory/1156-20-0x00000000001A0000-0x00000000001A6000-memory.dmp

memory/1084-23-0x00000000002D0000-0x00000000002D6000-memory.dmp

memory/1180-32-0x00000000026B0000-0x00000000026B6000-memory.dmp

memory/1396-31-0x00000000000D0000-0x00000000000D6000-memory.dmp

memory/952-34-0x0000000077B81000-0x0000000077B82000-memory.dmp

memory/952-33-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

memory/1156-27-0x00000000001A0000-0x00000000001A6000-memory.dmp

memory/1156-26-0x0000000077B81000-0x0000000077B82000-memory.dmp

memory/1156-25-0x0000000077B81000-0x0000000077B82000-memory.dmp

memory/1084-24-0x0000000077B81000-0x0000000077B82000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 12:42

Reported

2024-11-13 12:44

Platform

win10v2004-20241007-en

Max time kernel

118s

Max time network

95s

Command Line

sihost.exe

Signatures

Tinba / TinyBanker

trojan banker tinba

Tinba family

tinba

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\E1C35A84 = "C:\\Users\\Admin\\AppData\\Roaming\\E1C35A84\\bin.exe" C:\Windows\SysWOW64\winver.exe N/A

UPX packed file

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

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\winver.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\winver.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\d29a2d5721500e7fb1d75bd1fee91ec4b6bf595a06c7944ac3bfcbb45d030589.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ C:\Windows\Explorer.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 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
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Explorer.EXE N/A
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
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.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\d29a2d5721500e7fb1d75bd1fee91ec4b6bf595a06c7944ac3bfcbb45d030589.exe

"C:\Users\Admin\AppData\Local\Temp\d29a2d5721500e7fb1d75bd1fee91ec4b6bf595a06c7944ac3bfcbb45d030589.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3184 -ip 3184

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3184 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

memory/1832-0-0x0000000000400000-0x000000000041D000-memory.dmp

memory/1832-1-0x0000000000680000-0x0000000000681000-memory.dmp

memory/3520-3-0x0000000000F20000-0x0000000000F26000-memory.dmp

memory/3520-2-0x0000000000F20000-0x0000000000F26000-memory.dmp

memory/1832-4-0x0000000002230000-0x0000000002C30000-memory.dmp

memory/3520-6-0x00007FFACA32C000-0x00007FFACA32D000-memory.dmp

memory/3520-5-0x00007FFACA32D000-0x00007FFACA32E000-memory.dmp

memory/3184-7-0x00007FFACA290000-0x00007FFACA485000-memory.dmp

memory/3520-8-0x00007FFACA4C0000-0x00007FFACA4C1000-memory.dmp

memory/1832-10-0x0000000000400000-0x000000000041D000-memory.dmp

memory/1832-11-0x0000000002230000-0x0000000002C30000-memory.dmp

memory/3520-12-0x00007FFACA4A0000-0x00007FFACA4A1000-memory.dmp

memory/3184-14-0x0000000000C50000-0x0000000000C56000-memory.dmp

memory/2712-16-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

memory/3184-17-0x0000000000C50000-0x0000000000C56000-memory.dmp