agenttesla | 0e16551efbf1aacaf4bbc05653978d86979048f338f9fab4a123dd3831dcef4e

Analysis

max time kernel
4294178s
max time network
152s
platform
windows7_x64
resource
win7-20220311-en
submitted
23/03/2022, 20:02

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
c286e639dafbbe2abd4eaf13d0d1a8c4.exe
Size 1.0MB
Sample220323-yr51aaaeb4
SHA256 0e16551efbf1aacaf4bbc05653978d86979048f338f9fab4a123dd3831dcef4e
MD5 c286e639dafbbe2abd4eaf13d0d1a8c4
SHA1 caefac41b8dbefef0f6cc262a0480778b2fa0992
SHA512 d95a58c09617467336c733a8efe85657e029c2fb12053a73eeed7ec4006f325ee90986a9e96ecd4be06cffec4f6fb9643c85f015ac4198942bfeaa2aa0a2aec0
MD5 SHA1 SHA512

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol
smtp
Host
mail.pisc.lk
Port
587
Username
[email protected]
Password
PIsafeTY2021

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.pisc.lk
Port
587
Username
[email protected]
Password
PIsafeTY2021
Email to
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	MSBuild.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1808 set thread context of 608	1808	c286e639dafbbe2abd4eaf13d0d1a8c4.exe	31

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
1652	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1808	c286e639dafbbe2abd4eaf13d0d1a8c4.exe
1808	c286e639dafbbe2abd4eaf13d0d1a8c4.exe
608	MSBuild.exe
608	MSBuild.exe
784	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1808	c286e639dafbbe2abd4eaf13d0d1a8c4.exe
Token: SeDebugPrivilege	608	MSBuild.exe
Token: SeDebugPrivilege	784	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1808 wrote to memory of 784	1808	c286e639dafbbe2abd4eaf13d0d1a8c4.exe	27
PID 1808 wrote to memory of 784	1808	c286e639dafbbe2abd4eaf13d0d1a8c4.exe	27
PID 1808 wrote to memory of 784	1808	c286e639dafbbe2abd4eaf13d0d1a8c4.exe	27
PID 1808 wrote to memory of 784	1808	c286e639dafbbe2abd4eaf13d0d1a8c4.exe	27
PID 1808 wrote to memory of 1652	1808	c286e639dafbbe2abd4eaf13d0d1a8c4.exe	29
PID 1808 wrote to memory of 1652	1808	c286e639dafbbe2abd4eaf13d0d1a8c4.exe	29
PID 1808 wrote to memory of 1652	1808	c286e639dafbbe2abd4eaf13d0d1a8c4.exe	29
PID 1808 wrote to memory of 1652	1808	c286e639dafbbe2abd4eaf13d0d1a8c4.exe	29
PID 1808 wrote to memory of 608	1808	c286e639dafbbe2abd4eaf13d0d1a8c4.exe	31
PID 1808 wrote to memory of 608	1808	c286e639dafbbe2abd4eaf13d0d1a8c4.exe	31
PID 1808 wrote to memory of 608	1808	c286e639dafbbe2abd4eaf13d0d1a8c4.exe	31
PID 1808 wrote to memory of 608	1808	c286e639dafbbe2abd4eaf13d0d1a8c4.exe	31
PID 1808 wrote to memory of 608	1808	c286e639dafbbe2abd4eaf13d0d1a8c4.exe	31
PID 1808 wrote to memory of 608	1808	c286e639dafbbe2abd4eaf13d0d1a8c4.exe	31
PID 1808 wrote to memory of 608	1808	c286e639dafbbe2abd4eaf13d0d1a8c4.exe	31
PID 1808 wrote to memory of 608	1808	c286e639dafbbe2abd4eaf13d0d1a8c4.exe	31
PID 1808 wrote to memory of 608	1808	c286e639dafbbe2abd4eaf13d0d1a8c4.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\c286e639dafbbe2abd4eaf13d0d1a8c4.exe
"C:\Users\Admin\AppData\Local\Temp\c286e639dafbbe2abd4eaf13d0d1a8c4.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1808
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\lpocoEgWsnQ.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:784
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lpocoEgWsnQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB2AC.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1652
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:608

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/608-70-0x0000000000400000-0x000000000043A000-memory.dmp

Download

memory/608-72-0x0000000000400000-0x000000000043A000-memory.dmp

Download

memory/608-66-0x0000000000400000-0x000000000043A000-memory.dmp

Download

memory/608-67-0x0000000000400000-0x000000000043A000-memory.dmp

Download

memory/608-63-0x0000000000400000-0x000000000043A000-memory.dmp

Download

memory/608-65-0x0000000000400000-0x000000000043A000-memory.dmp

Download

memory/608-62-0x0000000000400000-0x000000000043A000-memory.dmp

Download

memory/784-59-0x0000000075BB1000-0x0000000075BB3000-memory.dmp

Download

memory/784-73-0x000000006E9B0000-0x000000006EF5B000-memory.dmp

Download

memory/784-74-0x00000000023E0000-0x000000000302A000-memory.dmp

Download

memory/1808-56-0x00000000081F0000-0x00000000082F4000-memory.dmp

Download

memory/1808-61-0x0000000000CE0000-0x0000000000D1C000-memory.dmp

Download

memory/1808-55-0x00000000002E0000-0x00000000002F2000-memory.dmp

Download

memory/1808-54-0x00000000013A0000-0x00000000014B0000-memory.dmp

Download