Malware Analysis Report

2025-01-19 07:41

Sample ID 241104-dve8ta1pby
Target 7383d630d34ec3fec8f84e7bfa64361e6a28f1450928111a0d9d46192efd1e8cN
SHA256 7383d630d34ec3fec8f84e7bfa64361e6a28f1450928111a0d9d46192efd1e8c
Tags
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

7383d630d34ec3fec8f84e7bfa64361e6a28f1450928111a0d9d46192efd1e8c

Threat Level: Known bad

The file 7383d630d34ec3fec8f84e7bfa64361e6a28f1450928111a0d9d46192efd1e8cN was found to be: Known bad.

Malicious Activity Summary

tinba banker discovery persistence trojan

Tinba family

Tinba / TinyBanker

Adds Run key to start application

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious use of UnmapMainImage

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Modifies registry class

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-04 03:19

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-04 03:19

Reported

2024-11-04 03:21

Platform

win7-20240903-en

Max time kernel

119s

Max time network

118s

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\ECEB7B9A = "C:\\Users\\Admin\\AppData\\Roaming\\ECEB7B9A\\bin.exe" C:\Windows\SysWOW64\winver.exe 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\7383d630d34ec3fec8f84e7bfa64361e6a28f1450928111a0d9d46192efd1e8cN.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
N/A N/A C:\Windows\SysWOW64\winver.exe 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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2084 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\7383d630d34ec3fec8f84e7bfa64361e6a28f1450928111a0d9d46192efd1e8cN.exe C:\Windows\SysWOW64\winver.exe
PID 2084 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\7383d630d34ec3fec8f84e7bfa64361e6a28f1450928111a0d9d46192efd1e8cN.exe C:\Windows\SysWOW64\winver.exe
PID 2084 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\7383d630d34ec3fec8f84e7bfa64361e6a28f1450928111a0d9d46192efd1e8cN.exe C:\Windows\SysWOW64\winver.exe
PID 2084 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\7383d630d34ec3fec8f84e7bfa64361e6a28f1450928111a0d9d46192efd1e8cN.exe C:\Windows\SysWOW64\winver.exe
PID 2084 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\7383d630d34ec3fec8f84e7bfa64361e6a28f1450928111a0d9d46192efd1e8cN.exe C:\Windows\SysWOW64\winver.exe
PID 2500 wrote to memory of 1208 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 2500 wrote to memory of 1108 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\taskhost.exe
PID 2500 wrote to memory of 1152 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\Dwm.exe
PID 2500 wrote to memory of 1208 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 2500 wrote to memory of 1648 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\DllHost.exe
PID 2500 wrote to memory of 2084 N/A C:\Windows\SysWOW64\winver.exe C:\Users\Admin\AppData\Local\Temp\7383d630d34ec3fec8f84e7bfa64361e6a28f1450928111a0d9d46192efd1e8cN.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\7383d630d34ec3fec8f84e7bfa64361e6a28f1450928111a0d9d46192efd1e8cN.exe

"C:\Users\Admin\AppData\Local\Temp\7383d630d34ec3fec8f84e7bfa64361e6a28f1450928111a0d9d46192efd1e8cN.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
US 8.8.8.8:53 lngothvvceon.com udp
US 216.218.185.162:80 lngothvvceon.com tcp

Files

memory/2084-0-0x0000000000250000-0x0000000000252000-memory.dmp

memory/2500-3-0x0000000000160000-0x0000000000166000-memory.dmp

memory/1208-2-0x00000000025C0000-0x00000000025C6000-memory.dmp

memory/1208-1-0x00000000025C0000-0x00000000025C6000-memory.dmp

memory/1208-5-0x00000000025C0000-0x00000000025C6000-memory.dmp

memory/2084-6-0x00000000025D0000-0x0000000002FD0000-memory.dmp

memory/2500-13-0x0000000077190000-0x0000000077339000-memory.dmp

memory/1208-12-0x00000000771E1000-0x00000000771E2000-memory.dmp

memory/2500-11-0x00000000001A0000-0x00000000001A1000-memory.dmp

memory/2500-10-0x000000007738F000-0x0000000077391000-memory.dmp

memory/2500-9-0x000000007738F000-0x0000000077390000-memory.dmp

memory/2500-8-0x0000000077390000-0x0000000077391000-memory.dmp

memory/2500-7-0x0000000000160000-0x0000000000166000-memory.dmp

memory/2084-26-0x0000000000400000-0x000000000041D000-memory.dmp

memory/1648-23-0x0000000001F10000-0x0000000001F16000-memory.dmp

memory/1208-21-0x00000000025D0000-0x00000000025D6000-memory.dmp

memory/1152-18-0x0000000000130000-0x0000000000136000-memory.dmp

memory/1108-15-0x00000000002A0000-0x00000000002A6000-memory.dmp

memory/1648-30-0x00000000771E1000-0x00000000771E2000-memory.dmp

memory/1648-29-0x0000000001F10000-0x0000000001F16000-memory.dmp

memory/1152-28-0x00000000771E1000-0x00000000771E2000-memory.dmp

memory/1152-27-0x0000000000130000-0x0000000000136000-memory.dmp

memory/1108-31-0x00000000002A0000-0x00000000002A6000-memory.dmp

memory/1208-32-0x00000000025D0000-0x00000000025D6000-memory.dmp

memory/2084-33-0x00000000025D0000-0x0000000002FD0000-memory.dmp

memory/2500-34-0x0000000000160000-0x0000000000166000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-04 03:19

Reported

2024-11-04 03:22

Platform

win10v2004-20241007-en

Max time kernel

118s

Max time network

114s

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

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\7383d630d34ec3fec8f84e7bfa64361e6a28f1450928111a0d9d46192efd1e8cN.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\winver.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
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
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\7383d630d34ec3fec8f84e7bfa64361e6a28f1450928111a0d9d46192efd1e8cN.exe

"C:\Users\Admin\AppData\Local\Temp\7383d630d34ec3fec8f84e7bfa64361e6a28f1450928111a0d9d46192efd1e8cN.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4648 -ip 4648

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4648 -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 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.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 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 10.28.171.150.in-addr.arpa udp

Files

memory/2752-0-0x0000000000580000-0x0000000000582000-memory.dmp

memory/2752-5-0x0000000002270000-0x0000000002C70000-memory.dmp

memory/4648-2-0x00000000026F0000-0x00000000026F6000-memory.dmp

memory/3576-4-0x0000000002BB0000-0x0000000002BB6000-memory.dmp

memory/3576-1-0x0000000002BB0000-0x0000000002BB6000-memory.dmp

memory/3576-7-0x00007FFDBA80D000-0x00007FFDBA80E000-memory.dmp

memory/4648-6-0x00000000774E2000-0x00000000774E3000-memory.dmp

memory/4648-8-0x00007FFDBA770000-0x00007FFDBA965000-memory.dmp

memory/2752-9-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2540-10-0x00000000005A0000-0x00000000005A6000-memory.dmp

memory/2540-11-0x00000000005A0000-0x00000000005A6000-memory.dmp

memory/2752-12-0x0000000002270000-0x0000000002C70000-memory.dmp

memory/4648-13-0x00000000026F0000-0x00000000026F6000-memory.dmp

memory/3576-15-0x00007FFDBA9A0000-0x00007FFDBA9A1000-memory.dmp

memory/3576-16-0x00007FFDBA980000-0x00007FFDBA981000-memory.dmp

memory/2540-17-0x00007FFDBA990000-0x00007FFDBA991000-memory.dmp