agenttesla | 777aecdc55f325758042f06acbe70d66728c2aeaf3756d63eb7e0cbbac771f94

General

Target

Pre-arrival Notification.pdf.scr
Size

866KB
MD5

f0a78c76a0a3868087059f4f0705a9ae
SHA1

1713acbb59b349c547ef73d93f39eca35610411d
SHA256

bee0f2e0f50d146b489b36f71cbcbb4ee752d92f323aefa1e2a79a30afe96d2b
SHA512

f2b739ee8bdffa143d1e5cb4e241907939f7abf0ac798c36a0d8c2b3b8508976940224734ec63cd7187416ff47e9e0973528be76536b9a7afec3438f8a8b571a
SSDEEP

12288:/2BuuzNcMZtFxyBv1kqx8WU8Ox5iFgN3NsChO1AS7:/2BNcYtFxyBJU8I5iFgN9sCkD7

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
gator3220.hostgator.com
Port:
587
Username:
[email protected]
Password:
28#75@ts76#V1F8h
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

36 ip-api.com
31 api.ipify.org
32 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Pre-arrival Notification.pdf.scr

description pid process target process

PID 372 set thread context of 4540 372 Pre-arrival Notification.pdf.scr RegAsm.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

Powershell.exePre-arrival Notification.pdf.scrRegAsm.exe

pid process

1320 Powershell.exe
1320 Powershell.exe
372 Pre-arrival Notification.pdf.scr
372 Pre-arrival Notification.pdf.scr
4540 RegAsm.exe
4540 RegAsm.exe

flow	ioc
36	ip-api.com
31	api.ipify.org
32	api.ipify.org

description	pid	process	target process
PID 372 set thread context of 4540	372	Pre-arrival Notification.pdf.scr	RegAsm.exe

pid	process
1320	Powershell.exe
1320	Powershell.exe
372	Pre-arrival Notification.pdf.scr
372	Pre-arrival Notification.pdf.scr
4540	RegAsm.exe
4540	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Powershell.exePre-arrival Notification.pdf.scrRegAsm.exe

description	pid	process
Token: SeDebugPrivilege	1320	Powershell.exe
Token: SeDebugPrivilege	372	Pre-arrival Notification.pdf.scr
Token: SeDebugPrivilege	4540	RegAsm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegAsm.exe

pid process

4540 RegAsm.exe

pid	process
4540	RegAsm.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

Pre-arrival Notification.pdf.scr

description	pid	process	target process
PID 372 wrote to memory of 1320	372	Pre-arrival Notification.pdf.scr	Powershell.exe
PID 372 wrote to memory of 1320	372	Pre-arrival Notification.pdf.scr	Powershell.exe
PID 372 wrote to memory of 1320	372	Pre-arrival Notification.pdf.scr	Powershell.exe
PID 372 wrote to memory of 2900	372	Pre-arrival Notification.pdf.scr	RegAsm.exe
PID 372 wrote to memory of 2900	372	Pre-arrival Notification.pdf.scr	RegAsm.exe
PID 372 wrote to memory of 2900	372	Pre-arrival Notification.pdf.scr	RegAsm.exe
PID 372 wrote to memory of 4540	372	Pre-arrival Notification.pdf.scr	RegAsm.exe
PID 372 wrote to memory of 4540	372	Pre-arrival Notification.pdf.scr	RegAsm.exe
PID 372 wrote to memory of 4540	372	Pre-arrival Notification.pdf.scr	RegAsm.exe
PID 372 wrote to memory of 4540	372	Pre-arrival Notification.pdf.scr	RegAsm.exe
PID 372 wrote to memory of 4540	372	Pre-arrival Notification.pdf.scr	RegAsm.exe
PID 372 wrote to memory of 4540	372	Pre-arrival Notification.pdf.scr	RegAsm.exe
PID 372 wrote to memory of 4540	372	Pre-arrival Notification.pdf.scr	RegAsm.exe
PID 372 wrote to memory of 4540	372	Pre-arrival Notification.pdf.scr	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\Pre-arrival Notification.pdf.scr
"C:\Users\Admin\AppData\Local\Temp\Pre-arrival Notification.pdf.scr" /S
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:372

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
"Powershell.exe" 'C:\Users\Admin\AppData\Local\Temp\Pre-arrival Notification.pdf.scr' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\command-line.exe'
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1320

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
PID:2900

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4540

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zr2xd3os.cu5.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/372-1-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/372-2-0x0000000005D80000-0x0000000006324000-memory.dmp

Filesize
5.6MB

Download
memory/372-3-0x0000000005870000-0x0000000005902000-memory.dmp

Filesize
584KB

Download
memory/372-4-0x0000000005AB0000-0x0000000005AC0000-memory.dmp

Filesize
64KB

Download
memory/372-5-0x0000000005850000-0x000000000585A000-memory.dmp

Filesize
40KB

Download
memory/372-6-0x0000000005AC0000-0x0000000005B16000-memory.dmp

Filesize
344KB

Download
memory/372-7-0x0000000005BC0000-0x0000000005C5C000-memory.dmp

Filesize
624KB

Download
memory/372-32-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/372-27-0x0000000005860000-0x000000000586A000-memory.dmp

Filesize
40KB

Download
memory/372-0-0x0000000000D80000-0x0000000000E5E000-memory.dmp

Filesize
888KB

Download
memory/1320-19-0x0000000005B30000-0x0000000005B96000-memory.dmp

Filesize
408KB

Download
memory/1320-35-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/1320-12-0x0000000005990000-0x00000000059B2000-memory.dmp

Filesize
136KB

Download
memory/1320-10-0x0000000004B70000-0x0000000004B80000-memory.dmp

Filesize
64KB

Download
memory/1320-23-0x0000000005C10000-0x0000000005C76000-memory.dmp

Filesize
408KB

Download
memory/1320-24-0x0000000005C80000-0x0000000005FD4000-memory.dmp

Filesize
3.3MB

Download
memory/1320-25-0x00000000060F0000-0x000000000610E000-memory.dmp

Filesize
120KB

Download
memory/1320-26-0x0000000006120000-0x000000000616C000-memory.dmp

Filesize
304KB

Download
memory/1320-8-0x0000000004B80000-0x0000000004BB6000-memory.dmp

Filesize
216KB

Download
memory/1320-11-0x00000000051F0000-0x0000000005818000-memory.dmp

Filesize
6.2MB

Download
memory/1320-9-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/4540-30-0x0000000005200000-0x0000000005210000-memory.dmp

Filesize
64KB

Download
memory/4540-29-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/4540-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4540-36-0x00000000067A0000-0x00000000067F0000-memory.dmp

Filesize
320KB

Download
memory/4540-37-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/4540-38-0x0000000005200000-0x0000000005210000-memory.dmp

Filesize
64KB

Download

Analysis

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