Malware Analysis Report

2025-01-19 07:39

Sample ID 241104-qdgfrsspbn
Target adb99edaae589afadc45c1fb9af6f2a83582d5ba91f6a391c2455405c9090f22N
SHA256 adb99edaae589afadc45c1fb9af6f2a83582d5ba91f6a391c2455405c9090f22
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

adb99edaae589afadc45c1fb9af6f2a83582d5ba91f6a391c2455405c9090f22

Threat Level: Known bad

The file adb99edaae589afadc45c1fb9af6f2a83582d5ba91f6a391c2455405c9090f22N was found to be: Known bad.

Malicious Activity Summary

tinba banker discovery persistence trojan

Tinba / TinyBanker

Tinba family

Adds Run key to start application

Unsigned PE

System Location Discovery: System Language Discovery

Program crash

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

2024-11-04 13:08

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-04 13:08

Reported

2024-11-04 13:10

Platform

win7-20240903-en

Max time kernel

119s

Max time network

122s

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\CAED2410 = "C:\\Users\\Admin\\AppData\\Roaming\\CAED2410\\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:\Windows\SysWOW64\winver.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\adb99edaae589afadc45c1fb9af6f2a83582d5ba91f6a391c2455405c9090f22N.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 3016 wrote to memory of 2096 N/A C:\Users\Admin\AppData\Local\Temp\adb99edaae589afadc45c1fb9af6f2a83582d5ba91f6a391c2455405c9090f22N.exe C:\Windows\SysWOW64\winver.exe
PID 3016 wrote to memory of 2096 N/A C:\Users\Admin\AppData\Local\Temp\adb99edaae589afadc45c1fb9af6f2a83582d5ba91f6a391c2455405c9090f22N.exe C:\Windows\SysWOW64\winver.exe
PID 3016 wrote to memory of 2096 N/A C:\Users\Admin\AppData\Local\Temp\adb99edaae589afadc45c1fb9af6f2a83582d5ba91f6a391c2455405c9090f22N.exe C:\Windows\SysWOW64\winver.exe
PID 3016 wrote to memory of 2096 N/A C:\Users\Admin\AppData\Local\Temp\adb99edaae589afadc45c1fb9af6f2a83582d5ba91f6a391c2455405c9090f22N.exe C:\Windows\SysWOW64\winver.exe
PID 3016 wrote to memory of 2096 N/A C:\Users\Admin\AppData\Local\Temp\adb99edaae589afadc45c1fb9af6f2a83582d5ba91f6a391c2455405c9090f22N.exe C:\Windows\SysWOW64\winver.exe
PID 2096 wrote to memory of 1196 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 2096 wrote to memory of 1100 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\taskhost.exe
PID 2096 wrote to memory of 1156 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\Dwm.exe
PID 2096 wrote to memory of 1196 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 2096 wrote to memory of 1556 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\DllHost.exe
PID 2096 wrote to memory of 3016 N/A C:\Windows\SysWOW64\winver.exe C:\Users\Admin\AppData\Local\Temp\adb99edaae589afadc45c1fb9af6f2a83582d5ba91f6a391c2455405c9090f22N.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\adb99edaae589afadc45c1fb9af6f2a83582d5ba91f6a391c2455405c9090f22N.exe

"C:\Users\Admin\AppData\Local\Temp\adb99edaae589afadc45c1fb9af6f2a83582d5ba91f6a391c2455405c9090f22N.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/3016-0-0x00000000002C0000-0x00000000002C2000-memory.dmp

memory/2096-3-0x00000000000F0000-0x00000000000F6000-memory.dmp

memory/1196-2-0x0000000002E20000-0x0000000002E26000-memory.dmp

memory/1196-1-0x0000000002E20000-0x0000000002E26000-memory.dmp

memory/1196-5-0x0000000002E20000-0x0000000002E26000-memory.dmp

memory/2096-11-0x0000000000170000-0x0000000000171000-memory.dmp

memory/2096-10-0x0000000077A3F000-0x0000000077A41000-memory.dmp

memory/2096-9-0x0000000077A3F000-0x0000000077A40000-memory.dmp

memory/2096-8-0x0000000077A40000-0x0000000077A41000-memory.dmp

memory/2096-7-0x00000000000F0000-0x00000000000F6000-memory.dmp

memory/3016-6-0x0000000002500000-0x0000000002F00000-memory.dmp

memory/1196-12-0x0000000077891000-0x0000000077892000-memory.dmp

memory/2096-13-0x0000000077840000-0x00000000779E9000-memory.dmp

memory/3016-26-0x0000000000400000-0x000000000041D000-memory.dmp

memory/1556-23-0x0000000002330000-0x0000000002336000-memory.dmp

memory/1196-20-0x0000000002E30000-0x0000000002E36000-memory.dmp

memory/1156-17-0x0000000000130000-0x0000000000136000-memory.dmp

memory/1100-15-0x0000000000160000-0x0000000000166000-memory.dmp

memory/1556-30-0x0000000077891000-0x0000000077892000-memory.dmp

memory/1556-29-0x0000000002330000-0x0000000002336000-memory.dmp

memory/1156-28-0x0000000077891000-0x0000000077892000-memory.dmp

memory/1156-27-0x0000000000130000-0x0000000000136000-memory.dmp

memory/1196-33-0x0000000002E30000-0x0000000002E36000-memory.dmp

memory/1100-32-0x0000000077891000-0x0000000077892000-memory.dmp

memory/1100-31-0x0000000000160000-0x0000000000166000-memory.dmp

memory/3016-34-0x0000000002500000-0x0000000002F00000-memory.dmp

memory/2096-36-0x00000000000F0000-0x00000000000F6000-memory.dmp

memory/1100-39-0x0000000000160000-0x0000000000166000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-04 13:08

Reported

2024-11-04 13:10

Platform

win10v2004-20241007-en

Max time kernel

118s

Max time network

109s

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\adb99edaae589afadc45c1fb9af6f2a83582d5ba91f6a391c2455405c9090f22N.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

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\adb99edaae589afadc45c1fb9af6f2a83582d5ba91f6a391c2455405c9090f22N.exe

"C:\Users\Admin\AppData\Local\Temp\adb99edaae589afadc45c1fb9af6f2a83582d5ba91f6a391c2455405c9090f22N.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2552 -ip 2552

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 640

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 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/1516-0-0x0000000000570000-0x0000000000572000-memory.dmp

memory/2552-2-0x00000000024F0000-0x00000000024F6000-memory.dmp

memory/3444-1-0x0000000002030000-0x0000000002036000-memory.dmp

memory/3444-4-0x0000000002030000-0x0000000002036000-memory.dmp

memory/1516-5-0x00000000021C0000-0x0000000002BC0000-memory.dmp

memory/3444-7-0x00007FFAB51ED000-0x00007FFAB51EE000-memory.dmp

memory/2552-6-0x0000000076F02000-0x0000000076F03000-memory.dmp

memory/2552-8-0x00007FFAB5150000-0x00007FFAB5345000-memory.dmp

memory/1516-9-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2832-10-0x0000000000790000-0x0000000000796000-memory.dmp

memory/2832-11-0x0000000000790000-0x0000000000796000-memory.dmp

memory/1516-12-0x00000000021C0000-0x0000000002BC0000-memory.dmp

memory/3444-13-0x00007FFAB5380000-0x00007FFAB5381000-memory.dmp

memory/2552-14-0x00000000024F0000-0x00000000024F6000-memory.dmp

memory/2832-16-0x00007FFAB5370000-0x00007FFAB5371000-memory.dmp