agenttesla | ae52ee94e65fb54e279703124ab5ee6191f655f61c5302c49e4cd862cfd1dc17

General

Target

wlanext.exe
Size

823KB
MD5

3713c253ab56bf85aaa806fc41cc6905
SHA1

cf59aac87590bb5f3bba092f20455b097a1ffab5
SHA256

ae52ee94e65fb54e279703124ab5ee6191f655f61c5302c49e4cd862cfd1dc17
SHA512

ca02a48ec0ff561e50817d661830cd4c4cf39fdc9e458a8fc93170d0fbafc6d1c5f6903a888b95c313e639c74e1e2c2369486873a14fcfbafaa58c7313230f87
SSDEEP

24576:GSqnsJhQ8AA6vkIx4W8AHPb41CEjSd8n:JqnsPx6vQA7USun

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.experthvac.ro
Port:
21
Username:
[email protected]
Password:
-8{jszMOY*Z8(~Za0#jyP%o7VoB.0)kk^)7_

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
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:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

wlanext.exe

description pid process target process

PID 2956 set thread context of 2136 2956 wlanext.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

wlanext.exe

pid process

2956 wlanext.exe
2956 wlanext.exe
2956 wlanext.exe
2956 wlanext.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

wlanext.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 2956 wlanext.exe
Token: SeDebugPrivilege 2136 RegAsm.exe

description	pid	process	target process
PID 2956 set thread context of 2136	2956	wlanext.exe	RegAsm.exe

pid	process
2956	wlanext.exe
2956	wlanext.exe
2956	wlanext.exe
2956	wlanext.exe

description	pid	process
Token: SeDebugPrivilege	2956	wlanext.exe
Token: SeDebugPrivilege	2136	RegAsm.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

wlanext.exe

description	pid	process	target process
PID 2956 wrote to memory of 3892	2956	wlanext.exe	RegAsm.exe
PID 2956 wrote to memory of 3892	2956	wlanext.exe	RegAsm.exe
PID 2956 wrote to memory of 3892	2956	wlanext.exe	RegAsm.exe
PID 2956 wrote to memory of 3892	2956	wlanext.exe	RegAsm.exe
PID 2956 wrote to memory of 3892	2956	wlanext.exe	RegAsm.exe
PID 2956 wrote to memory of 3892	2956	wlanext.exe	RegAsm.exe
PID 2956 wrote to memory of 3892	2956	wlanext.exe	RegAsm.exe
PID 2956 wrote to memory of 3892	2956	wlanext.exe	RegAsm.exe
PID 2956 wrote to memory of 2136	2956	wlanext.exe	RegAsm.exe
PID 2956 wrote to memory of 2136	2956	wlanext.exe	RegAsm.exe
PID 2956 wrote to memory of 2136	2956	wlanext.exe	RegAsm.exe
PID 2956 wrote to memory of 2136	2956	wlanext.exe	RegAsm.exe
PID 2956 wrote to memory of 2136	2956	wlanext.exe	RegAsm.exe
PID 2956 wrote to memory of 2136	2956	wlanext.exe	RegAsm.exe
PID 2956 wrote to memory of 2136	2956	wlanext.exe	RegAsm.exe
PID 2956 wrote to memory of 2136	2956	wlanext.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\wlanext.exe
"C:\Users\Admin\AppData\Local\Temp\wlanext.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2956

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
PID:3892

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2136

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2136-14-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2136-23-0x0000000005190000-0x00000000051A0000-memory.dmp

Filesize
64KB

Download
memory/2136-22-0x0000000074C00000-0x00000000753B0000-memory.dmp

Filesize
7.7MB

Download
memory/2136-21-0x0000000006680000-0x0000000006842000-memory.dmp

Filesize
1.8MB

Download
memory/2136-20-0x0000000006460000-0x00000000064B0000-memory.dmp

Filesize
320KB

Download
memory/2136-19-0x0000000004FD0000-0x0000000005036000-memory.dmp

Filesize
408KB

Download
memory/2136-18-0x0000000005190000-0x00000000051A0000-memory.dmp

Filesize
64KB

Download
memory/2136-17-0x0000000074C00000-0x00000000753B0000-memory.dmp

Filesize
7.7MB

Download
memory/2956-10-0x0000000005850000-0x0000000005860000-memory.dmp

Filesize
64KB

Download
memory/2956-16-0x0000000074C00000-0x00000000753B0000-memory.dmp

Filesize
7.7MB

Download
memory/2956-0-0x0000000074C00000-0x00000000753B0000-memory.dmp

Filesize
7.7MB

Download
memory/2956-11-0x0000000005850000-0x0000000005860000-memory.dmp

Filesize
64KB

Download
memory/2956-12-0x0000000007420000-0x000000000743A000-memory.dmp

Filesize
104KB

Download
memory/2956-13-0x0000000006A30000-0x0000000006A36000-memory.dmp

Filesize
24KB

Download
memory/2956-8-0x0000000005850000-0x0000000005860000-memory.dmp

Filesize
64KB

Download
memory/2956-9-0x0000000074C00000-0x00000000753B0000-memory.dmp

Filesize
7.7MB

Download
memory/2956-7-0x00000000065F0000-0x00000000065FA000-memory.dmp

Filesize
40KB

Download
memory/2956-6-0x0000000005D50000-0x0000000005D94000-memory.dmp

Filesize
272KB

Download
memory/2956-5-0x0000000005850000-0x0000000005860000-memory.dmp

Filesize
64KB

Download
memory/2956-4-0x0000000005E10000-0x00000000063B4000-memory.dmp

Filesize
5.6MB

Download
memory/2956-2-0x0000000005520000-0x00000000055BC000-memory.dmp

Filesize
624KB

Download
memory/2956-3-0x00000000055C0000-0x0000000005652000-memory.dmp

Filesize
584KB

Download
memory/2956-1-0x0000000000410000-0x00000000004E4000-memory.dmp

Filesize
848KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads