Malware Analysis Report

2024-09-09 17:07

Sample ID 240714-ztvg1ateqj
Target 1d39c749bd4e54cbb7c1317cfdd1ca10N.exe
SHA256 8d8abe8a134b83ab05e4248c82317631f26cfaf95d83a0aed85d8dcc43eb9a32
Tags
tinba banker persistence trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

8d8abe8a134b83ab05e4248c82317631f26cfaf95d83a0aed85d8dcc43eb9a32

Threat Level: Known bad

The file 1d39c749bd4e54cbb7c1317cfdd1ca10N.exe was found to be: Known bad.

Malicious Activity Summary

tinba banker persistence trojan

Tinba / TinyBanker

Adds Run key to start application

Unsigned PE

Program crash

Suspicious use of UnmapMainImage

Suspicious use of FindShellTrayWindow

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-07-14 21:01

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-14 21:01

Reported

2024-07-14 21:03

Platform

win7-20240708-en

Max time kernel

119s

Max time network

119s

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\799EDFF2 = "C:\\Users\\Admin\\AppData\\Roaming\\799EDFF2\\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

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\1d39c749bd4e54cbb7c1317cfdd1ca10N.exe

"C:\Users\Admin\AppData\Local\Temp\1d39c749bd4e54cbb7c1317cfdd1ca10N.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/2204-0-0x00000000003F0000-0x00000000003F2000-memory.dmp

memory/2108-3-0x0000000000120000-0x0000000000126000-memory.dmp

memory/1216-2-0x0000000002D70000-0x0000000002D76000-memory.dmp

memory/1216-1-0x0000000002D70000-0x0000000002D76000-memory.dmp

memory/1216-5-0x0000000002D70000-0x0000000002D76000-memory.dmp

memory/2204-6-0x0000000002450000-0x0000000002E50000-memory.dmp

memory/1216-12-0x0000000076E01000-0x0000000076E02000-memory.dmp

memory/2108-11-0x0000000000160000-0x0000000000161000-memory.dmp

memory/2108-10-0x0000000076FAF000-0x0000000076FB1000-memory.dmp

memory/2108-9-0x0000000076FAF000-0x0000000076FB0000-memory.dmp

memory/2108-8-0x0000000076FB0000-0x0000000076FB1000-memory.dmp

memory/2108-7-0x0000000000120000-0x0000000000126000-memory.dmp

memory/2108-13-0x0000000076DB0000-0x0000000076F59000-memory.dmp

memory/2204-14-0x0000000000400000-0x000000000041D000-memory.dmp

memory/1764-24-0x0000000001BF0000-0x0000000001BF6000-memory.dmp

memory/1216-22-0x0000000002D80000-0x0000000002D86000-memory.dmp

memory/1180-19-0x00000000001B0000-0x00000000001B6000-memory.dmp

memory/1128-17-0x0000000000160000-0x0000000000166000-memory.dmp

memory/1764-32-0x0000000076E01000-0x0000000076E02000-memory.dmp

memory/1764-31-0x0000000001BF0000-0x0000000001BF6000-memory.dmp

memory/1180-30-0x00000000001B0000-0x00000000001B6000-memory.dmp

memory/1128-29-0x0000000076E01000-0x0000000076E02000-memory.dmp

memory/1128-28-0x0000000000160000-0x0000000000166000-memory.dmp

memory/1216-27-0x0000000002D80000-0x0000000002D86000-memory.dmp

memory/2204-33-0x0000000002450000-0x0000000002E50000-memory.dmp

memory/2108-39-0x0000000000120000-0x0000000000126000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-14 21:01

Reported

2024-07-14 21:03

Platform

win10v2004-20240709-en

Max time kernel

118s

Max time network

95s

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

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\1d39c749bd4e54cbb7c1317cfdd1ca10N.exe

"C:\Users\Admin\AppData\Local\Temp\1d39c749bd4e54cbb7c1317cfdd1ca10N.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 760 -ip 760

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 760 -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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 233.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.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 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp

Files

memory/2836-0-0x0000000000500000-0x0000000000502000-memory.dmp

memory/3392-4-0x0000000000F20000-0x0000000000F26000-memory.dmp

memory/760-2-0x0000000000DB0000-0x0000000000DB6000-memory.dmp

memory/3392-1-0x0000000000F20000-0x0000000000F26000-memory.dmp

memory/2836-5-0x0000000002400000-0x0000000002E00000-memory.dmp

memory/3392-8-0x00007FFBD94CD000-0x00007FFBD94CE000-memory.dmp

memory/760-7-0x0000000077B52000-0x0000000077B53000-memory.dmp

memory/760-6-0x0000000000DB0000-0x0000000000DB6000-memory.dmp

memory/760-9-0x00007FFBD9430000-0x00007FFBD9625000-memory.dmp

memory/2836-10-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2936-11-0x0000000000750000-0x0000000000756000-memory.dmp

memory/2936-12-0x0000000000750000-0x0000000000756000-memory.dmp

memory/760-13-0x0000000000DB0000-0x0000000000DB6000-memory.dmp

memory/3392-16-0x00007FFBD9660000-0x00007FFBD9661000-memory.dmp