agenttesla | fa708dbd323666bef72779702e67ea18192727f8d881ed8cd295619b892e6f1b

General

Target
$PLUGINSDIR/oaolxjpjc.dll
Size 26KB
Sample240329-n1rtxagh38
SHA256 7c818c689d9194c90a1ecdd7838cd59ff216971cad20caf8e091d9fa48c7f3fe
MD5 fb556c16d4ab04252f71268c986a5c43
SHA1 5d8857c0fa4543642286072337af96d8374494a9
SHA512 adbfaf25b5937b934dc920436492faab186f0d5a64a57cb027da88a2c9fb4c8b65740713ff232400a908729ae4a48360a2ba79cce86237b9a79d2a1d840d7fc6
SSDEEP 384:c7QyMXLM36Y6rHgIM16z5o8r3MuCjswdAKkmwX:cEBLCUDk165BmJdAKkP
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Signatures

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

AgentTesla payload 6 IoCs

resource	yara_rule
behavioral3/memory/2572-1-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral3/memory/2572-4-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral3/memory/2572-6-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral3/memory/2572-7-0x00000000003C0000-0x00000000003FC000-memory.dmp	family_agenttesla
behavioral3/memory/2572-9-0x0000000000D50000-0x0000000000D90000-memory.dmp	family_agenttesla
behavioral3/memory/2572-14-0x0000000000D50000-0x0000000000D90000-memory.dmp	family_agenttesla

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rundll32.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2188 set thread context of 2572	2188	rundll32.exe	29

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2572	rundll32.exe
2572	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2572	rundll32.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 2188	2156	rundll32.exe	28
PID 2156 wrote to memory of 2188	2156	rundll32.exe	28
PID 2156 wrote to memory of 2188	2156	rundll32.exe	28
PID 2156 wrote to memory of 2188	2156	rundll32.exe	28
PID 2156 wrote to memory of 2188	2156	rundll32.exe	28
PID 2156 wrote to memory of 2188	2156	rundll32.exe	28
PID 2156 wrote to memory of 2188	2156	rundll32.exe	28
PID 2188 wrote to memory of 2572	2188	rundll32.exe	29
PID 2188 wrote to memory of 2572	2188	rundll32.exe	29
PID 2188 wrote to memory of 2572	2188	rundll32.exe	29
PID 2188 wrote to memory of 2572	2188	rundll32.exe	29
PID 2188 wrote to memory of 2572	2188	rundll32.exe	29
PID 2188 wrote to memory of 2572	2188	rundll32.exe	29
PID 2188 wrote to memory of 2572	2188	rundll32.exe	29
PID 2188 wrote to memory of 2572	2188	rundll32.exe	29
PID 2188 wrote to memory of 2572	2188	rundll32.exe	29
PID 2188 wrote to memory of 2572	2188	rundll32.exe	29
PID 2188 wrote to memory of 2572	2188	rundll32.exe	29
PID 2188 wrote to memory of 2572	2188	rundll32.exe	29
PID 2188 wrote to memory of 2572	2188	rundll32.exe	29
PID 2188 wrote to memory of 2572	2188	rundll32.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rundll32.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\oaolxjpjc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\oaolxjpjc.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2188
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\oaolxjpjc.dll,#1
    3⤵
    - Accesses Microsoft Outlook profiles
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:2572

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2188-3-0x0000000074A20000-0x0000000074A2A000-memory.dmp

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memory/2188-0-0x0000000074A20000-0x0000000074A2A000-memory.dmp

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memory/2572-7-0x00000000003C0000-0x00000000003FC000-memory.dmp

Download

memory/2572-4-0x0000000000400000-0x000000000044C000-memory.dmp

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memory/2572-6-0x0000000000400000-0x000000000044C000-memory.dmp

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memory/2572-8-0x0000000073EB0000-0x000000007459E000-memory.dmp

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memory/2572-1-0x0000000000400000-0x000000000044C000-memory.dmp

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memory/2572-9-0x0000000000D50000-0x0000000000D90000-memory.dmp

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memory/2572-10-0x0000000000D50000-0x0000000000D90000-memory.dmp

Download

memory/2572-11-0x0000000000D50000-0x0000000000D90000-memory.dmp

Download

memory/2572-12-0x0000000000D50000-0x0000000000D90000-memory.dmp

Download

memory/2572-13-0x0000000073EB0000-0x000000007459E000-memory.dmp

Download

memory/2572-14-0x0000000000D50000-0x0000000000D90000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads