agenttesla | fd82f122aa8f51076bde16ea95069a38421af13c65f760bd0fb2b69313a4eedc

General

Target

Catalog.exe
Size

432KB
MD5

7d7aae060d553d8ae3a48a6a1e7dbddb
SHA1

44ab5e2b2e0f870e592e7cb1026ba9cb2c2a451f
SHA256

2a2a628e23fa234e422aa5edcb6718f54e5caa2822ee10950a30619d9e9b0534
SHA512

7f7bfec03fa197ba78ab4b1f42090409224aede7abe321fac52f98207be7dfca46c32a8c081e0d84dfa91e93897c4adabc543c52cac61a352c98a3174f155b12

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
K$pbkEK0

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/956-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/956-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/956-65-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/956-66-0x0000000000446DFE-mapping.dmp	family_agenttesla
behavioral1/memory/956-68-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/956-70-0x0000000000400000-0x000000000044C000-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:

Catalog.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	Catalog.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Catalog.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Catalog.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Catalog.exe

description pid process target process

PID 1792 set thread context of 956 1792 Catalog.exe Catalog.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

1252 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Catalog.exe

pid process

956 Catalog.exe
956 Catalog.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Catalog.exe

description pid process

Token: SeDebugPrivilege 956 Catalog.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Catalog.exe

pid process

956 Catalog.exe

description	pid	process	target process
PID 1792 set thread context of 956	1792	Catalog.exe	Catalog.exe

pid	process
1252	schtasks.exe

pid	process
956	Catalog.exe
956	Catalog.exe

description	pid	process
Token: SeDebugPrivilege	956	Catalog.exe

pid	process
956	Catalog.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Catalog.exe

description	pid	process	target process
PID 1792 wrote to memory of 1252	1792	Catalog.exe	schtasks.exe
PID 1792 wrote to memory of 1252	1792	Catalog.exe	schtasks.exe
PID 1792 wrote to memory of 1252	1792	Catalog.exe	schtasks.exe
PID 1792 wrote to memory of 1252	1792	Catalog.exe	schtasks.exe
PID 1792 wrote to memory of 956	1792	Catalog.exe	Catalog.exe
PID 1792 wrote to memory of 956	1792	Catalog.exe	Catalog.exe
PID 1792 wrote to memory of 956	1792	Catalog.exe	Catalog.exe
PID 1792 wrote to memory of 956	1792	Catalog.exe	Catalog.exe
PID 1792 wrote to memory of 956	1792	Catalog.exe	Catalog.exe
PID 1792 wrote to memory of 956	1792	Catalog.exe	Catalog.exe
PID 1792 wrote to memory of 956	1792	Catalog.exe	Catalog.exe
PID 1792 wrote to memory of 956	1792	Catalog.exe	Catalog.exe
PID 1792 wrote to memory of 956	1792	Catalog.exe	Catalog.exe

outlook_office_path 1 IoCs

Processes:

Catalog.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	Catalog.exe

outlook_win_path 1 IoCs

Processes:

Catalog.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	Catalog.exe

C:\Users\Admin\AppData\Local\Temp\Catalog.exe
"C:\Users\Admin\AppData\Local\Temp\Catalog.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1792

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eJVfFedO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE486.tmp"
2⤵
- Creates scheduled task(s)
PID:1252

C:\Users\Admin\AppData\Local\Temp\Catalog.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:956

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\tmpE486.tmp
Filesize
1KB

MD5
15ec6fb8fe12cba546b0dc6139da60d6

SHA1
2045892f8749243657342a8e2ee39b421150d071

SHA256
656323da8dad446951cb06e3baa12fd7f5dbbb6dd0b3d1ce60e0cb7806e383f7

SHA512
9cc89945a261d83d6622c0869023918dcc63c27c758cddb61fe7bd22441bee4b1fda7f1cfad2f6c918f433672ef067a8d0e7bcc8f49cfe79b041fadc519c78ff

Download Submit
memory/956-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/956-60-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/956-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/956-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/956-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/956-66-0x0000000000446DFE-mapping.dmp

Download
memory/956-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/956-70-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1252-58-0x0000000000000000-mapping.dmp

Download
memory/1792-56-0x00000000006A0000-0x00000000006F4000-memory.dmp

Filesize
336KB

Download
memory/1792-57-0x0000000076461000-0x0000000076463000-memory.dmp

Filesize
8KB

Download
memory/1792-55-0x00000000002F0000-0x00000000002F8000-memory.dmp

Filesize
32KB

Download
memory/1792-54-0x00000000013D0000-0x0000000001442000-memory.dmp

Filesize
456KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads