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-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.exe
Key opened	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.exe
Key opened	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\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-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Windows\CurrentVersion\Run\sOFvE = "C:\\Users\\Admin\\AppData\\Roaming\\sOFvE\\sOFvE.exe"	PO.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 api.ipify.org
5 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

PO.exe

description pid process target process

PID 2120 set thread context of 2888 2120 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

2824 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

PO.exepowershell.exe

pid process

2120 PO.exe
2120 PO.exe
2668 powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

PO.exePO.exepowershell.exe

description pid process

Token: SeDebugPrivilege 2120 PO.exe
Token: SeDebugPrivilege 2888 PO.exe
Token: SeDebugPrivilege 2668 powershell.exe

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

description	pid	process	target process
PID 2120 set thread context of 2888	2120	PO.exe	PO.exe

pid	process
2824	schtasks.exe

pid	process
2120	PO.exe
2120	PO.exe
2668	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2120	PO.exe
Token: SeDebugPrivilege	2888	PO.exe
Token: SeDebugPrivilege	2668	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

PO.exe

description	pid	process	target process
PID 2120 wrote to memory of 2668	2120	PO.exe	powershell.exe
PID 2120 wrote to memory of 2668	2120	PO.exe	powershell.exe
PID 2120 wrote to memory of 2668	2120	PO.exe	powershell.exe
PID 2120 wrote to memory of 2668	2120	PO.exe	powershell.exe
PID 2120 wrote to memory of 2824	2120	PO.exe	schtasks.exe
PID 2120 wrote to memory of 2824	2120	PO.exe	schtasks.exe
PID 2120 wrote to memory of 2824	2120	PO.exe	schtasks.exe
PID 2120 wrote to memory of 2824	2120	PO.exe	schtasks.exe
PID 2120 wrote to memory of 2888	2120	PO.exe	PO.exe
PID 2120 wrote to memory of 2888	2120	PO.exe	PO.exe
PID 2120 wrote to memory of 2888	2120	PO.exe	PO.exe
PID 2120 wrote to memory of 2888	2120	PO.exe	PO.exe
PID 2120 wrote to memory of 2888	2120	PO.exe	PO.exe
PID 2120 wrote to memory of 2888	2120	PO.exe	PO.exe
PID 2120 wrote to memory of 2888	2120	PO.exe	PO.exe
PID 2120 wrote to memory of 2888	2120	PO.exe	PO.exe
PID 2120 wrote to memory of 2888	2120	PO.exe	PO.exe

outlook_office_path 1 IoCs

Processes:

PO.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\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-1-5-21-1154728922-3261336865-3456416385-1000\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:2120

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:2668

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WLJIUp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA2B5.tmp"
2⤵
- Creates scheduled task(s)
PID:2824

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:2888

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\tmpA2B5.tmp

Filesize
1KB

MD5
3b1f51e8e87891b16084c614b01dd9c6

SHA1
17b7377c648d61b3a8da00dea281058212f0e974

SHA256
1891b43caa989d2e0bf8e9ff60fb4c9ff7ee6417db631ccbe031d0267f75612f

SHA512
bfa1bdd84f87d6bead275e1d260d5864d9f7523369074e24468e6798adaa62246491190b9160338147b7d1560cf33c13c68640df506321f22f18de0e9be770f4

Download Submit
memory/2120-6-0x00000000051F0000-0x000000000525A000-memory.dmp

Filesize
424KB

Download
memory/2120-0-0x0000000001280000-0x0000000001340000-memory.dmp

Filesize
768KB

Download
memory/2120-3-0x0000000000630000-0x0000000000648000-memory.dmp

Filesize
96KB

Download
memory/2120-4-0x0000000000580000-0x0000000000588000-memory.dmp

Filesize
32KB

Download
memory/2120-5-0x00000000005A0000-0x00000000005AA000-memory.dmp

Filesize
40KB

Download
memory/2120-29-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2120-1-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2120-2-0x0000000004CD0000-0x0000000004D10000-memory.dmp

Filesize
256KB

Download
memory/2668-37-0x000000006E550000-0x000000006EAFB000-memory.dmp

Filesize
5.7MB

Download
memory/2668-35-0x0000000001D40000-0x0000000001D80000-memory.dmp

Filesize
256KB

Download
memory/2668-31-0x0000000001D40000-0x0000000001D80000-memory.dmp

Filesize
256KB

Download
memory/2668-36-0x0000000001D40000-0x0000000001D80000-memory.dmp

Filesize
256KB

Download
memory/2668-30-0x000000006E550000-0x000000006EAFB000-memory.dmp

Filesize
5.7MB

Download
memory/2668-32-0x000000006E550000-0x000000006EAFB000-memory.dmp

Filesize
5.7MB

Download
memory/2888-26-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2888-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2888-24-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2888-33-0x0000000000630000-0x0000000000670000-memory.dmp

Filesize
256KB

Download
memory/2888-28-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2888-20-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2888-34-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2888-18-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2888-16-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2888-14-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2888-39-0x0000000000630000-0x0000000000670000-memory.dmp

Filesize
256KB

Download
memory/2888-40-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads