agenttesla | 4e4d31c038b40c4267f2757def2a94a87d47f934b265cfe2b298274751a1ea48

General

Target

NEAS.4e4d31c038b40c4267f2757def2a94a87d47f934b265cfe2b298274751a1ea48exe_JC.exe
Size

760KB
MD5

f645c39596545a4c9ff1fae2c1df4719
SHA1

dbc148ff48b1d524ab5d65d87701c53e25a448b9
SHA256

4e4d31c038b40c4267f2757def2a94a87d47f934b265cfe2b298274751a1ea48
SHA512

0f97e798b68ecc4df9f0196596a7096893e0062202f44d0f3772fe2f316238444ceb511ad2143ca45f284c30a7a281acd1879d60f7b8750754a852d8947c1e34
SSDEEP

12288:jYj4k4yJu5zM85pm/Fb55Jnz4YlBEMO+kfrg+dWC9OTxtq:xhyJu5zL5pGxnz4eWrE+gC42

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
server1.sqsendy.shop
Port:
587
Username:
[email protected]
Password:
}_#Y{Eu)2qWJ
Email To:
[email protected]

Signatures

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Run\Yjsurolkq = "C:\\Users\\Admin\\AppData\\Roaming\\Yjsurolkq.exe"	NEAS.4e4d31c038b40c4267f2757def2a94a87d47f934b265cfe2b298274751a1ea48exe_JC.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2708 set thread context of 2656	2708	NEAS.4e4d31c038b40c4267f2757def2a94a87d47f934b265cfe2b298274751a1ea48exe_JC.exe	28

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2708	NEAS.4e4d31c038b40c4267f2757def2a94a87d47f934b265cfe2b298274751a1ea48exe_JC.exe
2656	MSBuild.exe
2656	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2708	NEAS.4e4d31c038b40c4267f2757def2a94a87d47f934b265cfe2b298274751a1ea48exe_JC.exe
Token: SeDebugPrivilege	2656	MSBuild.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 2656	2708	NEAS.4e4d31c038b40c4267f2757def2a94a87d47f934b265cfe2b298274751a1ea48exe_JC.exe	28
PID 2708 wrote to memory of 2656	2708	NEAS.4e4d31c038b40c4267f2757def2a94a87d47f934b265cfe2b298274751a1ea48exe_JC.exe	28
PID 2708 wrote to memory of 2656	2708	NEAS.4e4d31c038b40c4267f2757def2a94a87d47f934b265cfe2b298274751a1ea48exe_JC.exe	28
PID 2708 wrote to memory of 2656	2708	NEAS.4e4d31c038b40c4267f2757def2a94a87d47f934b265cfe2b298274751a1ea48exe_JC.exe	28
PID 2708 wrote to memory of 2656	2708	NEAS.4e4d31c038b40c4267f2757def2a94a87d47f934b265cfe2b298274751a1ea48exe_JC.exe	28
PID 2708 wrote to memory of 2656	2708	NEAS.4e4d31c038b40c4267f2757def2a94a87d47f934b265cfe2b298274751a1ea48exe_JC.exe	28
PID 2708 wrote to memory of 2656	2708	NEAS.4e4d31c038b40c4267f2757def2a94a87d47f934b265cfe2b298274751a1ea48exe_JC.exe	28
PID 2708 wrote to memory of 2656	2708	NEAS.4e4d31c038b40c4267f2757def2a94a87d47f934b265cfe2b298274751a1ea48exe_JC.exe	28
PID 2708 wrote to memory of 2656	2708	NEAS.4e4d31c038b40c4267f2757def2a94a87d47f934b265cfe2b298274751a1ea48exe_JC.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.4e4d31c038b40c4267f2757def2a94a87d47f934b265cfe2b298274751a1ea48exe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.4e4d31c038b40c4267f2757def2a94a87d47f934b265cfe2b298274751a1ea48exe_JC.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2708
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/2656-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2656-17-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2656-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2656-25-0x00000000739A0000-0x000000007408E000-memory.dmp

Filesize
6.9MB

Download
memory/2656-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2656-23-0x00000000739A0000-0x000000007408E000-memory.dmp

Filesize
6.9MB

Download
memory/2656-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2656-14-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2656-26-0x0000000002130000-0x0000000002170000-memory.dmp

Filesize
256KB

Download
memory/2656-24-0x0000000002130000-0x0000000002170000-memory.dmp

Filesize
256KB

Download
memory/2656-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2656-16-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2708-5-0x0000000000660000-0x00000000006A4000-memory.dmp

Filesize
272KB

Download
memory/2708-19-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/2708-6-0x0000000000C50000-0x0000000000C9C000-memory.dmp

Filesize
304KB

Download
memory/2708-0-0x0000000001130000-0x00000000011F2000-memory.dmp

Filesize
776KB

Download
memory/2708-1-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/2708-4-0x0000000000610000-0x0000000000664000-memory.dmp

Filesize
336KB

Download
memory/2708-3-0x0000000000480000-0x00000000004D4000-memory.dmp

Filesize
336KB

Download
memory/2708-2-0x0000000004A20000-0x0000000004A60000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads