Malware Analysis Report

2024-11-13 14:28

Sample ID 240603-ltyb1aae61
Target document.exe
SHA256 8054c765c0425811e3632409c6bbd9149fde1de08593796957ca55ead7e9e683
Tags
agenttesla execution keylogger spyware stealer 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

8054c765c0425811e3632409c6bbd9149fde1de08593796957ca55ead7e9e683

Threat Level: Known bad

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

Malicious Activity Summary

agenttesla execution keylogger spyware stealer trojan

AgentTesla

Command and Scripting Interpreter: PowerShell

Checks computer location settings

Looks up external IP address via web service

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

Creates scheduled task(s)

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-03 09:50

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-03 09:50

Reported

2024-06-03 09:52

Platform

win7-20240221-en

Max time kernel

120s

Max time network

131s

Command Line

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

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A
N/A api.ipify.org N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2896 set thread context of 2716 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\document.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2896 wrote to memory of 2624 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2896 wrote to memory of 2624 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2896 wrote to memory of 2624 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2896 wrote to memory of 2624 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2896 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\SysWOW64\schtasks.exe
PID 2896 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\SysWOW64\schtasks.exe
PID 2896 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\SysWOW64\schtasks.exe
PID 2896 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\SysWOW64\schtasks.exe
PID 2896 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2896 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2896 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2896 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2896 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2896 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2896 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2896 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2896 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2896 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2896 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2896 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Processes

C:\Users\Admin\AppData\Local\Temp\document.exe

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

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZAZphYTyWlIUJ.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZAZphYTyWlIUJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCE47.tmp"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.ipify.org udp
US 104.26.12.205:443 api.ipify.org tcp

Files

memory/2896-0-0x000000007434E000-0x000000007434F000-memory.dmp

memory/2896-1-0x0000000000070000-0x0000000000120000-memory.dmp

memory/2896-2-0x0000000074340000-0x0000000074A2E000-memory.dmp

memory/2896-3-0x0000000000520000-0x0000000000538000-memory.dmp

memory/2896-4-0x00000000003C0000-0x00000000003D0000-memory.dmp

memory/2896-5-0x0000000005D20000-0x0000000005DA2000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpCE47.tmp

MD5 a1449b958f8e8caf550b9a199077174f
SHA1 d9bfe3d33a049363ff22d016fc70e0808cf620fd
SHA256 b9005a34258f0478c48a0163c60ececca908970ba124c51d6735576695a5b1fe
SHA512 8655c43456246005f625468da240dc3444f903f9904c48ddec525e48ad60b25396ae9c4b0a1b498f3d8be9e189344f58dc38a892176036d01137bd4f087bb28f

memory/2716-22-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2716-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2716-23-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2716-19-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2896-25-0x0000000074340000-0x0000000074A2E000-memory.dmp

memory/2716-24-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2716-17-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2716-15-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2716-14-0x0000000000400000-0x0000000000440000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-03 09:50

Reported

2024-06-03 09:52

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

151s

Command Line

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

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\document.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A
N/A api.ipify.org N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 656 set thread context of 4068 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\document.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 656 wrote to memory of 1440 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 656 wrote to memory of 1440 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 656 wrote to memory of 1440 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 656 wrote to memory of 4980 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\SysWOW64\schtasks.exe
PID 656 wrote to memory of 4980 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\SysWOW64\schtasks.exe
PID 656 wrote to memory of 4980 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\SysWOW64\schtasks.exe
PID 656 wrote to memory of 4068 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 656 wrote to memory of 4068 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 656 wrote to memory of 4068 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 656 wrote to memory of 4068 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 656 wrote to memory of 4068 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 656 wrote to memory of 4068 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 656 wrote to memory of 4068 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 656 wrote to memory of 4068 N/A C:\Users\Admin\AppData\Local\Temp\document.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Processes

C:\Users\Admin\AppData\Local\Temp\document.exe

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

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZAZphYTyWlIUJ.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZAZphYTyWlIUJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9CEC.tmp"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 152.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 api.ipify.org udp
US 104.26.13.205:443 api.ipify.org tcp
US 8.8.8.8:53 205.13.26.104.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 97.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 8.173.189.20.in-addr.arpa udp

Files

memory/656-0-0x00000000743CE000-0x00000000743CF000-memory.dmp

memory/656-1-0x0000000000010000-0x00000000000C0000-memory.dmp

memory/656-2-0x0000000004EE0000-0x0000000005484000-memory.dmp

memory/656-3-0x00000000049D0000-0x0000000004A62000-memory.dmp

memory/656-4-0x0000000004980000-0x000000000498A000-memory.dmp

memory/656-5-0x00000000743C0000-0x0000000074B70000-memory.dmp

memory/656-6-0x0000000004BB0000-0x0000000004BC8000-memory.dmp

memory/656-7-0x0000000004BE0000-0x0000000004BF0000-memory.dmp

memory/656-8-0x0000000007680000-0x0000000007702000-memory.dmp

memory/656-9-0x0000000009DE0000-0x0000000009E7C000-memory.dmp

memory/1440-14-0x00000000046C0000-0x00000000046F6000-memory.dmp

memory/1440-15-0x00000000743C0000-0x0000000074B70000-memory.dmp

memory/1440-16-0x0000000004EA0000-0x00000000054C8000-memory.dmp

memory/1440-17-0x00000000743C0000-0x0000000074B70000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp9CEC.tmp

MD5 d5041d58a7edd8e77ce9f5d5f3a0c007
SHA1 8b2203bfca47d7a7dc950c79d7cef63f5a5d9f1c
SHA256 81dd94364f8bad8061302402e972787321a984a7a709180fbbefade22942fe59
SHA512 44552421e013982073542725618d3cc1eeb8415e68e31b90801d517b61b8cdda8a1553904936db9453c0c82d125ebab87a49d75b601f93613d9e3a88cec4e9cc

memory/1440-19-0x0000000004BE0000-0x0000000004C02000-memory.dmp

memory/1440-21-0x0000000004E30000-0x0000000004E96000-memory.dmp

memory/1440-20-0x0000000004C90000-0x0000000004CF6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ilwcd2jk.01k.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/4068-29-0x0000000000400000-0x0000000000440000-memory.dmp

memory/1440-23-0x00000000056D0000-0x0000000005A24000-memory.dmp

memory/1440-22-0x00000000743C0000-0x0000000074B70000-memory.dmp

memory/4068-34-0x00000000743C0000-0x0000000074B70000-memory.dmp

memory/1440-36-0x0000000005C90000-0x0000000005CAE000-memory.dmp

memory/656-38-0x00000000743C0000-0x0000000074B70000-memory.dmp

memory/1440-37-0x0000000005D40000-0x0000000005D8C000-memory.dmp

memory/1440-40-0x000000006F310000-0x000000006F35C000-memory.dmp

memory/1440-39-0x0000000006C10000-0x0000000006C42000-memory.dmp

memory/1440-50-0x0000000006C50000-0x0000000006C6E000-memory.dmp

memory/1440-51-0x0000000006C80000-0x0000000006D23000-memory.dmp

memory/1440-52-0x0000000007600000-0x0000000007C7A000-memory.dmp

memory/1440-53-0x0000000006FC0000-0x0000000006FDA000-memory.dmp

memory/1440-54-0x0000000007030000-0x000000000703A000-memory.dmp

memory/1440-55-0x0000000007240000-0x00000000072D6000-memory.dmp

memory/1440-56-0x00000000071C0000-0x00000000071D1000-memory.dmp

memory/1440-57-0x00000000071F0000-0x00000000071FE000-memory.dmp

memory/1440-58-0x0000000007200000-0x0000000007214000-memory.dmp

memory/1440-59-0x0000000007300000-0x000000000731A000-memory.dmp

memory/1440-60-0x00000000072E0000-0x00000000072E8000-memory.dmp

memory/4068-61-0x0000000006960000-0x00000000069B0000-memory.dmp

memory/1440-64-0x00000000743C0000-0x0000000074B70000-memory.dmp

memory/4068-65-0x00000000743C0000-0x0000000074B70000-memory.dmp