agenttesla | 4678536d2372a8c2227ce010647456497b0bd9251008d4b4a0ce85914b782fb3

General

Target

po=593624.exe
Size

410KB
MD5

ba0ebf1fef1d06e21378af70a1e8babe
SHA1

b0d07ccd59b84569841d2aa3a0529cedb7d7ecc4
SHA256

744b624507df8e9bccf72af6cc834130ad75deb8c1beff8084cd101605c8eec1
SHA512

ce49bc92c10916afbc9f7c8bc1d9c34184f674f62f03ac02b600c335aec5873c4dcaaa6dd275f539bafa088f8ae79dd197269c85bb7b59e8b3598c8c0ed5954a

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
web2.changeip.com
Port:
587
Username:
remedy@chrismehat.com
Password:
OGywVbROjkvK

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
behavioral1/memory/1764-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1764-65-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1764-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1764-67-0x0000000000446B5E-mapping.dmp	family_agenttesla
behavioral1/memory/1764-69-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1764-71-0x0000000000400000-0x000000000044C000-memory.dmp	family_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:

po=593624.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	po=593624.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	po=593624.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	po=593624.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

po=593624.exe

description pid process target process

PID 1348 set thread context of 1764 1348 po=593624.exe po=593624.exe
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

Processes:

schtasks.exe

pid process

1536 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

po=593624.exe

pid process

1764 po=593624.exe
1764 po=593624.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

po=593624.exe

description pid process

Token: SeDebugPrivilege 1764 po=593624.exe

description	pid	process	target process
PID 1348 set thread context of 1764	1348	po=593624.exe	po=593624.exe

pid	process
1536	schtasks.exe

pid	process
1764	po=593624.exe
1764	po=593624.exe

description	pid	process
Token: SeDebugPrivilege	1764	po=593624.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

po=593624.exe

description	pid	process	target process
PID 1348 wrote to memory of 1536	1348	po=593624.exe	schtasks.exe
PID 1348 wrote to memory of 1536	1348	po=593624.exe	schtasks.exe
PID 1348 wrote to memory of 1536	1348	po=593624.exe	schtasks.exe
PID 1348 wrote to memory of 1536	1348	po=593624.exe	schtasks.exe
PID 1348 wrote to memory of 1764	1348	po=593624.exe	po=593624.exe
PID 1348 wrote to memory of 1764	1348	po=593624.exe	po=593624.exe
PID 1348 wrote to memory of 1764	1348	po=593624.exe	po=593624.exe
PID 1348 wrote to memory of 1764	1348	po=593624.exe	po=593624.exe
PID 1348 wrote to memory of 1764	1348	po=593624.exe	po=593624.exe
PID 1348 wrote to memory of 1764	1348	po=593624.exe	po=593624.exe
PID 1348 wrote to memory of 1764	1348	po=593624.exe	po=593624.exe
PID 1348 wrote to memory of 1764	1348	po=593624.exe	po=593624.exe
PID 1348 wrote to memory of 1764	1348	po=593624.exe	po=593624.exe

outlook_office_path 1 IoCs

Processes:

po=593624.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	po=593624.exe

outlook_win_path 1 IoCs

Processes:

po=593624.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	po=593624.exe

C:\Users\Admin\AppData\Local\Temp\po=593624.exe
"C:\Users\Admin\AppData\Local\Temp\po=593624.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1348

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CzVjnXZqugxQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFFF2.tmp"
2⤵
- Creates scheduled task(s)
PID:1536

C:\Users\Admin\AppData\Local\Temp\po=593624.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1764

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpFFF2.tmp
Filesize
1KB

MD5
12ee72c5b2c45b6e64a1ff2a4bbede6d

SHA1
a45399ef736dbcbdac8b6cc325256a085eb36336

SHA256
76e9fc9268213841c2a69828ce0b67e40bd0e6ca94c12038e4b75a1dfaeaf860

SHA512
17dbcf21f2d3302750209031207cb3a6c1a44fbd57a83e87f6997a2c7494d63392b99c3376f02219eb4381d0d27a44faed5cc51baf7161f2c9fc65816bb4bafe

Download Submit
memory/1348-57-0x00000000022E0000-0x0000000002334000-memory.dmp

Filesize
336KB

Download
memory/1348-56-0x0000000000320000-0x0000000000328000-memory.dmp

Filesize
32KB

Download
memory/1348-54-0x0000000000CF0000-0x0000000000D5C000-memory.dmp

Filesize
432KB

Download
memory/1348-58-0x00000000754A1000-0x00000000754A3000-memory.dmp

Filesize
8KB

Download
memory/1348-55-0x0000000000B10000-0x0000000000B9A000-memory.dmp

Filesize
552KB

Download
memory/1536-59-0x0000000000000000-mapping.dmp

Download
memory/1764-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1764-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1764-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1764-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1764-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1764-67-0x0000000000446B5E-mapping.dmp

Download
memory/1764-69-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1764-71-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads