agenttesla | c84323551b8814bcdf1b176cc38f197a00025817e93f6c8aefaa7ab180187cde

General

Target

$PLUGINSDIR/wwovt.dll
Size

30KB
MD5

3db889c292904a3fcefaaea76ca6dc24
SHA1

b9e0cf954f3cbf80245e32633a01644f69a6f0d8
SHA256

15efdfbe9775fdeb2a57a01564006d1322e9f7815c8f4325d88d6403fe809238
SHA512

7abcdc3b2bcf849fa359010ebe04b587e9e7f8b3222a949f03fd5766506a0f612ab875bb205a60a7fe170002177c0a3d841965d902a175656406ff10df345047
SSDEEP

384:6X21oCNE0oHVOBiEN1EDzSW4Ys7//YriYpICfKSZP8ZWYahHT/yKetlOmdmSlmOW:6m1DE00OBiOW4L7Hw/phiZQhH7y3

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot2006818448:AAEbXxhowuXbSCsvvlr5pUkJzFhgKnfWtso/sendDocument

Signatures

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

AgentTesla payload 6 IoCs

Processes:

resource	yara_rule
behavioral3/memory/2000-3-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral3/memory/2000-7-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral3/memory/2000-9-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral3/memory/2000-10-0x0000000000770000-0x00000000007AC000-memory.dmp	family_agenttesla
behavioral3/memory/2000-12-0x0000000004590000-0x00000000045D0000-memory.dmp	family_agenttesla
behavioral3/memory/2000-16-0x0000000004590000-0x00000000045D0000-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

Processes:

rundll32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rundll32.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 2020 set thread context of 2000 2020 rundll32.exe rundll32.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exe

pid process

2000 rundll32.exe
2000 rundll32.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

rundll32.exe

description pid process

Token: SeDebugPrivilege 2000 rundll32.exe

description	pid	process	target process
PID 2020 set thread context of 2000	2020	rundll32.exe	rundll32.exe

pid	process
2000	rundll32.exe
2000	rundll32.exe

description	pid	process
Token: SeDebugPrivilege	2000	rundll32.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2220 wrote to memory of 2020	2220	rundll32.exe	rundll32.exe
PID 2220 wrote to memory of 2020	2220	rundll32.exe	rundll32.exe
PID 2220 wrote to memory of 2020	2220	rundll32.exe	rundll32.exe
PID 2220 wrote to memory of 2020	2220	rundll32.exe	rundll32.exe
PID 2220 wrote to memory of 2020	2220	rundll32.exe	rundll32.exe
PID 2220 wrote to memory of 2020	2220	rundll32.exe	rundll32.exe
PID 2220 wrote to memory of 2020	2220	rundll32.exe	rundll32.exe
PID 2020 wrote to memory of 2000	2020	rundll32.exe	rundll32.exe
PID 2020 wrote to memory of 2000	2020	rundll32.exe	rundll32.exe
PID 2020 wrote to memory of 2000	2020	rundll32.exe	rundll32.exe
PID 2020 wrote to memory of 2000	2020	rundll32.exe	rundll32.exe
PID 2020 wrote to memory of 2000	2020	rundll32.exe	rundll32.exe
PID 2020 wrote to memory of 2000	2020	rundll32.exe	rundll32.exe
PID 2020 wrote to memory of 2000	2020	rundll32.exe	rundll32.exe
PID 2020 wrote to memory of 2000	2020	rundll32.exe	rundll32.exe
PID 2020 wrote to memory of 2000	2020	rundll32.exe	rundll32.exe
PID 2020 wrote to memory of 2000	2020	rundll32.exe	rundll32.exe
PID 2020 wrote to memory of 2000	2020	rundll32.exe	rundll32.exe
PID 2020 wrote to memory of 2000	2020	rundll32.exe	rundll32.exe
PID 2020 wrote to memory of 2000	2020	rundll32.exe	rundll32.exe
PID 2020 wrote to memory of 2000	2020	rundll32.exe	rundll32.exe

outlook_office_path 1 IoCs

Processes:

rundll32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rundll32.exe

outlook_win_path 1 IoCs

Processes:

rundll32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\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\wwovt.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2220

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\wwovt.dll,#1
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2020

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\wwovt.dll,#1
3⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2000

MITRE ATT&CK Matrix ATT&CK v13

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

4

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/2000-7-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2000-12-0x0000000004590000-0x00000000045D0000-memory.dmp

Filesize
256KB

Download
memory/2000-16-0x0000000004590000-0x00000000045D0000-memory.dmp

Filesize
256KB

Download
memory/2000-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2000-15-0x0000000004590000-0x00000000045D0000-memory.dmp

Filesize
256KB

Download
memory/2000-14-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/2000-13-0x0000000004590000-0x00000000045D0000-memory.dmp

Filesize
256KB

Download
memory/2000-11-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/2000-9-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2000-10-0x0000000000770000-0x00000000007AC000-memory.dmp

Filesize
240KB

Download
memory/2020-0-0x0000000075130000-0x000000007513C000-memory.dmp

Filesize
48KB

Download
memory/2020-1-0x0000000075120000-0x000000007512C000-memory.dmp

Filesize
48KB

Download
memory/2020-4-0x0000000075130000-0x000000007513C000-memory.dmp

Filesize
48KB

Download
memory/2020-5-0x0000000075120000-0x000000007512C000-memory.dmp

Filesize
48KB

Download
memory/2020-2-0x0000000075130000-0x000000007513C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads