agenttesla | 17fc4205571ea12188b9ed8b5659339e305ebc54bace4e3ba62c72c6b61cdfcf

General

Target

PROFORMA INV.pdf.exe
Size

661KB
MD5

3d001a5535649fc075bf5f8badfd9dbd
SHA1

43144b7961725f461084f8798003ba94fb20a58c
SHA256

17fc4205571ea12188b9ed8b5659339e305ebc54bace4e3ba62c72c6b61cdfcf
SHA512

5136686e6fbc8e48f4103def7ab9996709080969c2b413d27c4010165cbc3f7b5284875fb1d8009a4115110ef64d9028659aee2a17d00bf250b6785ed7d1e622
SSDEEP

12288:UmYCfC6lnIFae5+clpuDUpmnjfArEO9UlPJB1F7RMUM:UmNq6lnIN+sVEjfAgRBJBT

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.businesssolutionstraining.com
Port:
587
Username:
[email protected]
Password:
2ManyCharacters!
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
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-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PROFORMA INV.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PROFORMA INV.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PROFORMA INV.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 1204 set thread context of 1960	1204	PROFORMA INV.pdf.exe	31

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

T1053

pid	Process
1332	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
560	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1960	PROFORMA INV.pdf.exe
Token: SeDebugPrivilege	560	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1960	PROFORMA INV.pdf.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1204 wrote to memory of 560	1204	PROFORMA INV.pdf.exe	27
PID 1204 wrote to memory of 560	1204	PROFORMA INV.pdf.exe	27
PID 1204 wrote to memory of 560	1204	PROFORMA INV.pdf.exe	27
PID 1204 wrote to memory of 560	1204	PROFORMA INV.pdf.exe	27
PID 1204 wrote to memory of 1332	1204	PROFORMA INV.pdf.exe	29
PID 1204 wrote to memory of 1332	1204	PROFORMA INV.pdf.exe	29
PID 1204 wrote to memory of 1332	1204	PROFORMA INV.pdf.exe	29
PID 1204 wrote to memory of 1332	1204	PROFORMA INV.pdf.exe	29
PID 1204 wrote to memory of 1960	1204	PROFORMA INV.pdf.exe	31
PID 1204 wrote to memory of 1960	1204	PROFORMA INV.pdf.exe	31
PID 1204 wrote to memory of 1960	1204	PROFORMA INV.pdf.exe	31
PID 1204 wrote to memory of 1960	1204	PROFORMA INV.pdf.exe	31
PID 1204 wrote to memory of 1960	1204	PROFORMA INV.pdf.exe	31
PID 1204 wrote to memory of 1960	1204	PROFORMA INV.pdf.exe	31
PID 1204 wrote to memory of 1960	1204	PROFORMA INV.pdf.exe	31
PID 1204 wrote to memory of 1960	1204	PROFORMA INV.pdf.exe	31
PID 1204 wrote to memory of 1960	1204	PROFORMA INV.pdf.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PROFORMA INV.pdf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PROFORMA INV.pdf.exe

C:\Users\Admin\AppData\Local\Temp\PROFORMA INV.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\PROFORMA INV.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1204
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\bsYFGGLHHimjf.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:560
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bsYFGGLHHimjf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDC8A.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1332
- C:\Users\Admin\AppData\Local\Temp\PROFORMA INV.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\PROFORMA INV.pdf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1960

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpDC8A.tmp

Filesize
1KB

MD5
25b7e8d15bb44dc4085bc6cf535c7673

SHA1
e09a3c1cafc256729004c19df37d1e8943699ab2

SHA256
cd6a83faa3173c0b017a30315cb0ec66b3f25db4a465a5d7dce783a73c5e5226

SHA512
4ed4fa453c86282532e88e12ad1b67be66e3387246c897b17fe1f61be3632c71ed2bba07efdd019e5031ada1cc39dd4fde2158ec23f6a8b323fb3fecb1723e03

Download Submit
memory/560-79-0x0000000002790000-0x00000000027D0000-memory.dmp

Filesize
256KB

Download
memory/1204-55-0x0000000004C10000-0x0000000004C50000-memory.dmp

Filesize
256KB

Download
memory/1204-56-0x0000000000460000-0x0000000000472000-memory.dmp

Filesize
72KB

Download
memory/1204-57-0x0000000004C10000-0x0000000004C50000-memory.dmp

Filesize
256KB

Download
memory/1204-58-0x0000000000610000-0x000000000061A000-memory.dmp

Filesize
40KB

Download
memory/1204-59-0x0000000005E50000-0x0000000005EBA000-memory.dmp

Filesize
424KB

Download
memory/1204-65-0x0000000005AA0000-0x0000000005AD2000-memory.dmp

Filesize
200KB

Download
memory/1204-54-0x00000000013A0000-0x000000000144C000-memory.dmp

Filesize
688KB

Download
memory/1960-66-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1960-68-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1960-69-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1960-70-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1960-71-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1960-73-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1960-75-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1960-78-0x00000000012C0000-0x0000000001300000-memory.dmp

Filesize
256KB

Download
memory/1960-67-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1960-97-0x00000000012C0000-0x0000000001300000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads