agenttesla | 17525d4bf2e8893cad5c464bfcbb830fbcde3d60ed8f8bf47309098c35369449

General

Target

wkyNtXxap90oV4W.exe
Size

764KB
MD5

01eeed3a6bdd89e7233f5e21160f61b0
SHA1

5ce20b87e6354485097d84cd582087382570a49a
SHA256

8c07e434c1f100e1ea59eb7a8c319924cb5ef716da283d04b1973cea72c0f653
SHA512

9498a321375d0c3ee65cda22cc195c0b2c5d19d778bb5262b21e7a7a20a24faf5b53d3d5350421fe318de73d2f638846a0ab880be06bb266c86793fbf0f7986d
SSDEEP

12288:LmsOL/GXh8L74mBfNUstzoj2uvKmhTwXDHmtpzuEUk5w3AjrtPqjA3/WirBnM337:LF+L74mBfNUstzojcmh+DoxSk5Zv8kOB

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.chinarcnd.com
Port:
587
Username:
[email protected]
Password:
mNQrnR%3

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.chinarcnd.com
Port:
587
Username:
[email protected]
Password:
mNQrnR%3

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

Processes:

wkyNtXxap90oV4W.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wkyNtXxap90oV4W.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wkyNtXxap90oV4W.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wkyNtXxap90oV4W.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

wkyNtXxap90oV4W.exe

description pid process target process

PID 2012 set thread context of 1656 2012 wkyNtXxap90oV4W.exe wkyNtXxap90oV4W.exe

description	pid	process	target process
PID 2012 set thread context of 1656	2012	wkyNtXxap90oV4W.exe	wkyNtXxap90oV4W.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

wkyNtXxap90oV4W.exewkyNtXxap90oV4W.exe

pid	process
2012	wkyNtXxap90oV4W.exe
2012	wkyNtXxap90oV4W.exe
2012	wkyNtXxap90oV4W.exe
2012	wkyNtXxap90oV4W.exe
2012	wkyNtXxap90oV4W.exe
2012	wkyNtXxap90oV4W.exe
2012	wkyNtXxap90oV4W.exe
2012	wkyNtXxap90oV4W.exe
2012	wkyNtXxap90oV4W.exe
1656	wkyNtXxap90oV4W.exe
1656	wkyNtXxap90oV4W.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

wkyNtXxap90oV4W.exewkyNtXxap90oV4W.exe

description pid process

Token: SeDebugPrivilege 2012 wkyNtXxap90oV4W.exe
Token: SeDebugPrivilege 1656 wkyNtXxap90oV4W.exe

description	pid	process
Token: SeDebugPrivilege	2012	wkyNtXxap90oV4W.exe
Token: SeDebugPrivilege	1656	wkyNtXxap90oV4W.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

wkyNtXxap90oV4W.exe

description	pid	process	target process
PID 2012 wrote to memory of 1712	2012	wkyNtXxap90oV4W.exe	wkyNtXxap90oV4W.exe
PID 2012 wrote to memory of 1712	2012	wkyNtXxap90oV4W.exe	wkyNtXxap90oV4W.exe
PID 2012 wrote to memory of 1712	2012	wkyNtXxap90oV4W.exe	wkyNtXxap90oV4W.exe
PID 2012 wrote to memory of 1712	2012	wkyNtXxap90oV4W.exe	wkyNtXxap90oV4W.exe
PID 2012 wrote to memory of 1656	2012	wkyNtXxap90oV4W.exe	wkyNtXxap90oV4W.exe
PID 2012 wrote to memory of 1656	2012	wkyNtXxap90oV4W.exe	wkyNtXxap90oV4W.exe
PID 2012 wrote to memory of 1656	2012	wkyNtXxap90oV4W.exe	wkyNtXxap90oV4W.exe
PID 2012 wrote to memory of 1656	2012	wkyNtXxap90oV4W.exe	wkyNtXxap90oV4W.exe
PID 2012 wrote to memory of 1656	2012	wkyNtXxap90oV4W.exe	wkyNtXxap90oV4W.exe
PID 2012 wrote to memory of 1656	2012	wkyNtXxap90oV4W.exe	wkyNtXxap90oV4W.exe
PID 2012 wrote to memory of 1656	2012	wkyNtXxap90oV4W.exe	wkyNtXxap90oV4W.exe
PID 2012 wrote to memory of 1656	2012	wkyNtXxap90oV4W.exe	wkyNtXxap90oV4W.exe
PID 2012 wrote to memory of 1656	2012	wkyNtXxap90oV4W.exe	wkyNtXxap90oV4W.exe

outlook_office_path 1 IoCs

Processes:

wkyNtXxap90oV4W.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wkyNtXxap90oV4W.exe

outlook_win_path 1 IoCs

Processes:

wkyNtXxap90oV4W.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wkyNtXxap90oV4W.exe

C:\Users\Admin\AppData\Local\Temp\wkyNtXxap90oV4W.exe
"C:\Users\Admin\AppData\Local\Temp\wkyNtXxap90oV4W.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2012

C:\Users\Admin\AppData\Local\Temp\wkyNtXxap90oV4W.exe
"C:\Users\Admin\AppData\Local\Temp\wkyNtXxap90oV4W.exe"
2⤵
PID:1712

C:\Users\Admin\AppData\Local\Temp\wkyNtXxap90oV4W.exe
"C:\Users\Admin\AppData\Local\Temp\wkyNtXxap90oV4W.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1656

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1656-63-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1656-64-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1656-70-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1656-68-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1656-66-0x0000000000435A7E-mapping.dmp

Download
memory/1656-61-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1656-65-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1656-60-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2012-55-0x0000000075281000-0x0000000075283000-memory.dmp

Filesize
8KB

Download
memory/2012-54-0x0000000000A70000-0x0000000000B36000-memory.dmp

Filesize
792KB

Download
memory/2012-59-0x0000000004FF0000-0x000000000502A000-memory.dmp

Filesize
232KB

Download
memory/2012-58-0x0000000005230000-0x00000000052A4000-memory.dmp

Filesize
464KB

Download
memory/2012-57-0x0000000000470000-0x000000000047C000-memory.dmp

Filesize
48KB

Download
memory/2012-56-0x0000000000590000-0x00000000005A8000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads