agenttesla | ead564f559716798f5c081cb7e4171c536751d82ca291a39ff6c401f527fed9c

General

Target

PO.exe
Size

740KB
MD5

b8544d8facfb793edab9d38921933728
SHA1

5ab5b9c19dd1cf189b49be90233e32dacd32e9e6
SHA256

a81e919be20c26807dc7d775ccdc026d4a9daf0116661dff5e3fbdaf29effe19
SHA512

f59aee69180a55f43c35ee32cb0a3a4b58994fd25a195d7557719a0f7b6c482fe561fd13a239772e32a04512391ffaed520ab85399eb0dbff75356585e88ac6f
SSDEEP

12288:DWVretW8G34/uK45+po2ys7l/yOKRXDGz5aTbFQG1uJ073ZCeg/:4x34/up+pJyoaOMTGz5atQZJ0r

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
kV$bSqJ1 daniel
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

PO.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1502336823-1680518048-858510903-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.exe
Key opened	\REGISTRY\USER\S-1-5-21-1502336823-1680518048-858510903-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.exe
Key opened	\REGISTRY\USER\S-1-5-21-1502336823-1680518048-858510903-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

PO.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1502336823-1680518048-858510903-1000\Software\Microsoft\Windows\CurrentVersion\Run\sOFvE = "C:\\Users\\Admin\\AppData\\Roaming\\sOFvE\\sOFvE.exe"	PO.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

2 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

PO.exe

description pid process target process

PID 1720 set thread context of 2988 1720 PO.exe PO.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

2756 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

PO.exepowershell.exe

pid process

1720 PO.exe
2704 powershell.exe
1720 PO.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

PO.exepowershell.exePO.exe

description pid process

Token: SeDebugPrivilege 1720 PO.exe
Token: SeDebugPrivilege 2704 powershell.exe
Token: SeDebugPrivilege 2988 PO.exe

flow	ioc
2	api.ipify.org

description	pid	process	target process
PID 1720 set thread context of 2988	1720	PO.exe	PO.exe

pid	process
2756	schtasks.exe

pid	process
1720	PO.exe
2704	powershell.exe
1720	PO.exe

description	pid	process
Token: SeDebugPrivilege	1720	PO.exe
Token: SeDebugPrivilege	2704	powershell.exe
Token: SeDebugPrivilege	2988	PO.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

PO.exe

description	pid	process	target process
PID 1720 wrote to memory of 2704	1720	PO.exe	powershell.exe
PID 1720 wrote to memory of 2704	1720	PO.exe	powershell.exe
PID 1720 wrote to memory of 2704	1720	PO.exe	powershell.exe
PID 1720 wrote to memory of 2704	1720	PO.exe	powershell.exe
PID 1720 wrote to memory of 2756	1720	PO.exe	schtasks.exe
PID 1720 wrote to memory of 2756	1720	PO.exe	schtasks.exe
PID 1720 wrote to memory of 2756	1720	PO.exe	schtasks.exe
PID 1720 wrote to memory of 2756	1720	PO.exe	schtasks.exe
PID 1720 wrote to memory of 2988	1720	PO.exe	PO.exe
PID 1720 wrote to memory of 2988	1720	PO.exe	PO.exe
PID 1720 wrote to memory of 2988	1720	PO.exe	PO.exe
PID 1720 wrote to memory of 2988	1720	PO.exe	PO.exe
PID 1720 wrote to memory of 2988	1720	PO.exe	PO.exe
PID 1720 wrote to memory of 2988	1720	PO.exe	PO.exe
PID 1720 wrote to memory of 2988	1720	PO.exe	PO.exe
PID 1720 wrote to memory of 2988	1720	PO.exe	PO.exe
PID 1720 wrote to memory of 2988	1720	PO.exe	PO.exe

outlook_office_path 1 IoCs

Processes:

PO.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1502336823-1680518048-858510903-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.exe

outlook_win_path 1 IoCs

Processes:

PO.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1502336823-1680518048-858510903-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.exe

C:\Users\Admin\AppData\Local\Temp\PO.exe
"C:\Users\Admin\AppData\Local\Temp\PO.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1720

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WLJIUp.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2704

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WLJIUp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp50FD.tmp"
2⤵
- Creates scheduled task(s)
PID:2756

C:\Users\Admin\AppData\Local\Temp\PO.exe
"C:\Users\Admin\AppData\Local\Temp\PO.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2988

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp50FD.tmp

Filesize
1KB

MD5
000ef86763e9f32b7007688bb6594e5e

SHA1
9a1aac2d3318e396a5d37d74b3172e7936f0beea

SHA256
9f6cb56b973baaf35a78aae591ced6d23dac7da3fe2a859018636808a6baff8d

SHA512
6cbd47b21c8cb6f21c1ffe5a5c374a80197929206d826b05f6384c576979351872de8d73f8a395f0103d077415a855a6f18d1e82b30ce731c61ef317d293622f

Download Submit
memory/1720-22-0x0000000074B00000-0x00000000751EE000-memory.dmp

Filesize
6.9MB

Download
memory/1720-1-0x0000000074B00000-0x00000000751EE000-memory.dmp

Filesize
6.9MB

Download
memory/1720-2-0x0000000002010000-0x0000000002050000-memory.dmp

Filesize
256KB

Download
memory/1720-3-0x0000000000A90000-0x0000000000AA8000-memory.dmp

Filesize
96KB

Download
memory/1720-4-0x00000000004E0000-0x00000000004E8000-memory.dmp

Filesize
32KB

Download
memory/1720-5-0x0000000000710000-0x000000000071A000-memory.dmp

Filesize
40KB

Download
memory/1720-6-0x00000000052A0000-0x000000000530A000-memory.dmp

Filesize
424KB

Download
memory/1720-0-0x0000000000B00000-0x0000000000BC0000-memory.dmp

Filesize
768KB

Download
memory/2704-27-0x0000000002CA0000-0x0000000002CE0000-memory.dmp

Filesize
256KB

Download
memory/2704-26-0x000000006EC50000-0x000000006F1FB000-memory.dmp

Filesize
5.7MB

Download
memory/2704-31-0x000000006EC50000-0x000000006F1FB000-memory.dmp

Filesize
5.7MB

Download
memory/2704-28-0x000000006EC50000-0x000000006F1FB000-memory.dmp

Filesize
5.7MB

Download
memory/2988-20-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2988-15-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2988-23-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2988-25-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2988-16-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2988-14-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2988-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2988-29-0x0000000073660000-0x0000000073D4E000-memory.dmp

Filesize
6.9MB

Download
memory/2988-30-0x0000000004D30000-0x0000000004D70000-memory.dmp

Filesize
256KB

Download
memory/2988-17-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2988-33-0x0000000073660000-0x0000000073D4E000-memory.dmp

Filesize
6.9MB

Download
memory/2988-34-0x0000000004D30000-0x0000000004D70000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads