agenttesla | e71d1ee61ea4a286e2d9ccbee5f89aaf2b45ab93bf103377d699a5f9df2b67ca

General

Target

3e9cbdad10ae0f941661905fc2423396_JaffaCakes118.ps1
Size

524KB
MD5

3e9cbdad10ae0f941661905fc2423396
SHA1

1ec2dd0da20063288cda2f8a0cfa1d5fb11dd5fa
SHA256

e71d1ee61ea4a286e2d9ccbee5f89aaf2b45ab93bf103377d699a5f9df2b67ca
SHA512

128abe6075339f32330a0df2e5de9c7d08d62067a9948070e1762acd79679872f6a796741807ca6a24ff606b53a72886582130d5252d413b30aed46238dbbcaa
SSDEEP

6144:+EM+0IxRd3+1fce8jJuklBSYv8NBTbv1Hy:FMU+Jce8jJuklBSYv8NBTbE

Score

10^/10

agenttesla collection credential_access discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

http://180.214.239.67/k/p9i/inc/b61f0c2fdfd137.php

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/2724-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2724-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2724-20-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2724-24-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2724-22-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	aspnet_compiler.exe

Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2720 set thread context of 2724	2720	powershell.exe	32

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2720	powershell.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aspnet_compiler.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2720	powershell.exe
2720	powershell.exe
2720	powershell.exe
2724	aspnet_compiler.exe
2724	aspnet_compiler.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2720	powershell.exe
Token: SeDebugPrivilege	2724	aspnet_compiler.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2724	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2720 wrote to memory of 2972	2720	powershell.exe	31
PID 2720 wrote to memory of 2972	2720	powershell.exe	31
PID 2720 wrote to memory of 2972	2720	powershell.exe	31
PID 2720 wrote to memory of 2972	2720	powershell.exe	31
PID 2720 wrote to memory of 2724	2720	powershell.exe	32
PID 2720 wrote to memory of 2724	2720	powershell.exe	32
PID 2720 wrote to memory of 2724	2720	powershell.exe	32
PID 2720 wrote to memory of 2724	2720	powershell.exe	32
PID 2720 wrote to memory of 2724	2720	powershell.exe	32
PID 2720 wrote to memory of 2724	2720	powershell.exe	32
PID 2720 wrote to memory of 2724	2720	powershell.exe	32
PID 2720 wrote to memory of 2724	2720	powershell.exe	32
PID 2720 wrote to memory of 2724	2720	powershell.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\3e9cbdad10ae0f941661905fc2423396_JaffaCakes118.ps1
1⤵
- Suspicious use of SetThreadContext
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2720
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  #Powershell
  2⤵
  PID:2972
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  #Powershell
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2724

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2720-4-0x000007FEF5C3E000-0x000007FEF5C3F000-memory.dmp

Filesize
4KB

Download
memory/2720-5-0x000000001B740000-0x000000001BA22000-memory.dmp

Filesize
2.9MB

Download
memory/2720-6-0x0000000001FC0000-0x0000000001FC8000-memory.dmp

Filesize
32KB

Download
memory/2720-7-0x000007FEF5980000-0x000007FEF631D000-memory.dmp

Filesize
9.6MB

Download
memory/2720-8-0x000007FEF5980000-0x000007FEF631D000-memory.dmp

Filesize
9.6MB

Download
memory/2720-9-0x000007FEF5980000-0x000007FEF631D000-memory.dmp

Filesize
9.6MB

Download
memory/2720-10-0x0000000002C60000-0x0000000002C72000-memory.dmp

Filesize
72KB

Download
memory/2720-26-0x000007FEF5980000-0x000007FEF631D000-memory.dmp

Filesize
9.6MB

Download
memory/2724-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2724-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2724-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2724-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2724-20-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2724-24-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2724-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2724-25-0x0000000073E6E000-0x0000000073E6F000-memory.dmp

Filesize
4KB

Download
memory/2724-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2724-27-0x0000000073E60000-0x000000007454E000-memory.dmp

Filesize
6.9MB

Download
memory/2724-28-0x0000000073E6E000-0x0000000073E6F000-memory.dmp

Filesize
4KB

Download
memory/2724-29-0x0000000073E60000-0x000000007454E000-memory.dmp

Filesize
6.9MB

Download
memory/2724-31-0x0000000073E60000-0x000000007454E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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