agenttesla | 6ea9a9fa59a23241409f055e0fd5e0271667cc1eaac17ee691459a9b6139bc9b

General

Target

JaffaCakes118_0e710d4e75a575f78174ee6c79f8e19f.ps1
Size

760KB
MD5

0e710d4e75a575f78174ee6c79f8e19f
SHA1

60abc2263d9490cdd2e11e667ba9c7a427474701
SHA256

6ea9a9fa59a23241409f055e0fd5e0271667cc1eaac17ee691459a9b6139bc9b
SHA512

5123eca528627481e1afe17d5628e72bd35b12ae68596b8569bd94f472db02edeb0c1e7792f8193cf6e2ff99a9988b3b8a046def943cc8bfaf7346ebe7856abf
SSDEEP

1536:nnF9mcAT8tEWiTdDPaoXh8bXUcDroDlRplDsscMyb1DBZuBJGAfZxdlOEonOsLJB:r

Score

10^/10

agenttesla collection credential_access discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

http://103.125.190.248/j/p9j/mawa/bd45ee766370f1d74057.php

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/2824-20-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2824-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2824-26-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2824-24-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2824-22-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	jsc.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	jsc.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2684 set thread context of 2824	2684	powershell.exe	32

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2684	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	jsc.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2684	powershell.exe
2824	jsc.exe
2824	jsc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2684	powershell.exe
Token: SeDebugPrivilege	2824	jsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2824	jsc.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 2824	2684	powershell.exe	32
PID 2684 wrote to memory of 2824	2684	powershell.exe	32
PID 2684 wrote to memory of 2824	2684	powershell.exe	32
PID 2684 wrote to memory of 2824	2684	powershell.exe	32
PID 2684 wrote to memory of 2824	2684	powershell.exe	32
PID 2684 wrote to memory of 2824	2684	powershell.exe	32
PID 2684 wrote to memory of 2824	2684	powershell.exe	32
PID 2684 wrote to memory of 2824	2684	powershell.exe	32
PID 2684 wrote to memory of 2824	2684	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	jsc.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	jsc.exe

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0e710d4e75a575f78174ee6c79f8e19f.ps1
1⤵
- Suspicious use of SetThreadContext
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
  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:2824

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/2684-28-0x000007FEF6670000-0x000007FEF700D000-memory.dmp

Filesize
9.6MB

Download
memory/2684-6-0x0000000002A70000-0x0000000002A78000-memory.dmp

Filesize
32KB

Download
memory/2684-5-0x000000001B4A0000-0x000000001B782000-memory.dmp

Filesize
2.9MB

Download
memory/2684-7-0x000007FEF6670000-0x000007FEF700D000-memory.dmp

Filesize
9.6MB

Download
memory/2684-8-0x000007FEF6670000-0x000007FEF700D000-memory.dmp

Filesize
9.6MB

Download
memory/2684-10-0x000007FEF6670000-0x000007FEF700D000-memory.dmp

Filesize
9.6MB

Download
memory/2684-9-0x000007FEF6670000-0x000007FEF700D000-memory.dmp

Filesize
9.6MB

Download
memory/2684-11-0x000007FEF6670000-0x000007FEF700D000-memory.dmp

Filesize
9.6MB

Download
memory/2684-12-0x000000001B8C0000-0x000000001B8D6000-memory.dmp

Filesize
88KB

Download
memory/2684-4-0x000007FEF692E000-0x000007FEF692F000-memory.dmp

Filesize
4KB

Download
memory/2824-31-0x0000000074950000-0x000000007503E000-memory.dmp

Filesize
6.9MB

Download
memory/2824-27-0x000000007495E000-0x000000007495F000-memory.dmp

Filesize
4KB

Download
memory/2824-24-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2824-26-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2824-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2824-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2824-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2824-34-0x0000000074950000-0x000000007503E000-memory.dmp

Filesize
6.9MB

Download
memory/2824-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2824-29-0x0000000074950000-0x000000007503E000-memory.dmp

Filesize
6.9MB

Download
memory/2824-30-0x000000007495E000-0x000000007495F000-memory.dmp

Filesize
4KB

Download
memory/2824-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2824-33-0x0000000074950000-0x000000007503E000-memory.dmp

Filesize
6.9MB

Download
memory/2824-20-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

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