agenttesla | 8197e71791a36b364c735addbf05c9533530aae40f1c4d124d7ed098705d2a2f

General

Target

e-dekont-20230303-0.pdf.exe
Size

915KB
MD5

b317c7d7a4511fdfbae78b7cb0ca4320
SHA1

df8eff48a498fa3550e1c60395c5204dba7cbad5
SHA256

8197e71791a36b364c735addbf05c9533530aae40f1c4d124d7ed098705d2a2f
SHA512

d34a9fc75aa5a1cb3f539630bc6c17299036e1b3e59551769e27eef7479165eadb44036e579db9febf12083111d2c54ac971fff036fa24b72dbf5edb2dfa5906
SSDEEP

24576:H1Qwe3cOQ8Q8+2QI08eFnuVI25ZMsRo+b:HBuQ8+2Q6eFnAI2XRo

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5927276382:AAGhv1qf5Km1S52KrhPWDYFsGXK2Gr_4T7I/

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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e-dekont-20230303-0.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e-dekont-20230303-0.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e-dekont-20230303-0.pdf.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows\CurrentVersion\Run\plQRn = "C:\\Users\\Admin\\AppData\\Roaming\\plQRn\\plQRn.exe"	e-dekont-20230303-0.pdf.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 1232 set thread context of 1116	1232	e-dekont-20230303-0.pdf.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

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

T1053

pid	Process
768	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1232	e-dekont-20230303-0.pdf.exe
1232	e-dekont-20230303-0.pdf.exe
1232	e-dekont-20230303-0.pdf.exe
1232	e-dekont-20230303-0.pdf.exe
1656	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1232	e-dekont-20230303-0.pdf.exe
Token: SeDebugPrivilege	1116	e-dekont-20230303-0.pdf.exe
Token: SeDebugPrivilege	1656	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1232 wrote to memory of 1656	1232	e-dekont-20230303-0.pdf.exe	28
PID 1232 wrote to memory of 1656	1232	e-dekont-20230303-0.pdf.exe	28
PID 1232 wrote to memory of 1656	1232	e-dekont-20230303-0.pdf.exe	28
PID 1232 wrote to memory of 1656	1232	e-dekont-20230303-0.pdf.exe	28
PID 1232 wrote to memory of 768	1232	e-dekont-20230303-0.pdf.exe	30
PID 1232 wrote to memory of 768	1232	e-dekont-20230303-0.pdf.exe	30
PID 1232 wrote to memory of 768	1232	e-dekont-20230303-0.pdf.exe	30
PID 1232 wrote to memory of 768	1232	e-dekont-20230303-0.pdf.exe	30
PID 1232 wrote to memory of 1116	1232	e-dekont-20230303-0.pdf.exe	32
PID 1232 wrote to memory of 1116	1232	e-dekont-20230303-0.pdf.exe	32
PID 1232 wrote to memory of 1116	1232	e-dekont-20230303-0.pdf.exe	32
PID 1232 wrote to memory of 1116	1232	e-dekont-20230303-0.pdf.exe	32
PID 1232 wrote to memory of 1116	1232	e-dekont-20230303-0.pdf.exe	32
PID 1232 wrote to memory of 1116	1232	e-dekont-20230303-0.pdf.exe	32
PID 1232 wrote to memory of 1116	1232	e-dekont-20230303-0.pdf.exe	32
PID 1232 wrote to memory of 1116	1232	e-dekont-20230303-0.pdf.exe	32
PID 1232 wrote to memory of 1116	1232	e-dekont-20230303-0.pdf.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e-dekont-20230303-0.pdf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e-dekont-20230303-0.pdf.exe

C:\Users\Admin\AppData\Local\Temp\e-dekont-20230303-0.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\e-dekont-20230303-0.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1232
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vrlaJIXKkDK.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1656
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vrlaJIXKkDK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCFCE.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:768
- C:\Users\Admin\AppData\Local\Temp\e-dekont-20230303-0.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\e-dekont-20230303-0.pdf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1116

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

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\tmpCFCE.tmp

Filesize
1KB

MD5
909d9148095dbb4839ac927811a6e7d4

SHA1
03b9d682757ff270699768f1e2946f222070924a

SHA256
698f93eb4efb2caffeafa3c0e54268e4eff3d5b6af7ad2dfd8c50a8bb2cae6bf

SHA512
4b2458a7f26a4c5c2900339c3260f50e5f6ea485dfdb27d371f073be84cf82b7be5716d155daef68a3404388721e294e76e28eb4e5611c512d8bfb1aaacd8725

Download Submit
memory/1116-77-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1116-75-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1116-105-0x0000000004E70000-0x0000000004EB0000-memory.dmp

Filesize
256KB

Download
memory/1116-70-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1116-78-0x0000000004E70000-0x0000000004EB0000-memory.dmp

Filesize
256KB

Download
memory/1116-69-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1116-72-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1116-68-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1116-73-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1116-71-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1232-58-0x0000000000520000-0x000000000052C000-memory.dmp

Filesize
48KB

Download
memory/1232-56-0x0000000000410000-0x0000000000426000-memory.dmp

Filesize
88KB

Download
memory/1232-67-0x0000000002100000-0x0000000002132000-memory.dmp

Filesize
200KB

Download
memory/1232-55-0x0000000004F10000-0x0000000004F50000-memory.dmp

Filesize
256KB

Download
memory/1232-54-0x00000000008B0000-0x000000000099C000-memory.dmp

Filesize
944KB

Download
memory/1232-59-0x00000000053F0000-0x000000000549C000-memory.dmp

Filesize
688KB

Download
memory/1232-57-0x0000000004F10000-0x0000000004F50000-memory.dmp

Filesize
256KB

Download
memory/1656-79-0x00000000026B0000-0x00000000026F0000-memory.dmp

Filesize
256KB

Download
memory/1656-80-0x00000000026B0000-0x00000000026F0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads