agenttesla | 7cc3810e9ec12dadac126413d2317a2ee3b5d0cef2d6771aa0b03eaea5039c4d

General

Target

Swift.scan.pdf..exe
Size

387KB
MD5

b639feeb11fb34d180a8d5e56525f9fb
SHA1

6692d4456af443bdeac9c221eeb9fb21c13681e8
SHA256

b9772ef962373f4f5e7c5e4169812301f7739d2df4b1d3dcbeea84d6eed162b3
SHA512

204ac33876477d553647c231e9a7304c6873ab7e620447b4369a9c80719c2cbbf6c3ef5c594bee8a26f0dd5eb0966b317301b625f4ad86a1fe422daaf2cd314c

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.ceasmania.ro
Port:
587
Username:
[email protected]
Password:
abc+123ABC

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/1744-63-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1744-64-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1744-65-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1744-66-0x000000000044CA7E-mapping.dmp	family_agenttesla
behavioral1/memory/1744-68-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1744-70-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

Drops startup file 2 IoCs

Processes:

Swift.scan.pdf..exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\chrome.exe	Swift.scan.pdf..exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\chrome.exe	Swift.scan.pdf..exe

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:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Swift.scan.pdf..exe

description pid process target process

PID 784 set thread context of 1744 784 Swift.scan.pdf..exe RegAsm.exe

description	pid	process	target process
PID 784 set thread context of 1744	784	Swift.scan.pdf..exe	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

Processes:

Swift.scan.pdf..exeRegAsm.exe

pid	process
784	Swift.scan.pdf..exe
784	Swift.scan.pdf..exe
784	Swift.scan.pdf..exe
784	Swift.scan.pdf..exe
784	Swift.scan.pdf..exe
784	Swift.scan.pdf..exe
784	Swift.scan.pdf..exe
784	Swift.scan.pdf..exe
784	Swift.scan.pdf..exe
784	Swift.scan.pdf..exe
784	Swift.scan.pdf..exe
1744	RegAsm.exe
1744	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Swift.scan.pdf..exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 784 Swift.scan.pdf..exe
Token: SeDebugPrivilege 1744 RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	784	Swift.scan.pdf..exe
Token: SeDebugPrivilege	1744	RegAsm.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

Swift.scan.pdf..exeRegAsm.exe

description	pid	process	target process
PID 784 wrote to memory of 892	784	Swift.scan.pdf..exe	RegAsm.exe
PID 784 wrote to memory of 892	784	Swift.scan.pdf..exe	RegAsm.exe
PID 784 wrote to memory of 892	784	Swift.scan.pdf..exe	RegAsm.exe
PID 784 wrote to memory of 892	784	Swift.scan.pdf..exe	RegAsm.exe
PID 784 wrote to memory of 892	784	Swift.scan.pdf..exe	RegAsm.exe
PID 784 wrote to memory of 892	784	Swift.scan.pdf..exe	RegAsm.exe
PID 784 wrote to memory of 892	784	Swift.scan.pdf..exe	RegAsm.exe
PID 784 wrote to memory of 1744	784	Swift.scan.pdf..exe	RegAsm.exe
PID 784 wrote to memory of 1744	784	Swift.scan.pdf..exe	RegAsm.exe
PID 784 wrote to memory of 1744	784	Swift.scan.pdf..exe	RegAsm.exe
PID 784 wrote to memory of 1744	784	Swift.scan.pdf..exe	RegAsm.exe
PID 784 wrote to memory of 1744	784	Swift.scan.pdf..exe	RegAsm.exe
PID 784 wrote to memory of 1744	784	Swift.scan.pdf..exe	RegAsm.exe
PID 784 wrote to memory of 1744	784	Swift.scan.pdf..exe	RegAsm.exe
PID 784 wrote to memory of 1744	784	Swift.scan.pdf..exe	RegAsm.exe
PID 784 wrote to memory of 1744	784	Swift.scan.pdf..exe	RegAsm.exe
PID 784 wrote to memory of 1744	784	Swift.scan.pdf..exe	RegAsm.exe
PID 784 wrote to memory of 1744	784	Swift.scan.pdf..exe	RegAsm.exe
PID 784 wrote to memory of 1744	784	Swift.scan.pdf..exe	RegAsm.exe
PID 1744 wrote to memory of 460	1744	RegAsm.exe	netsh.exe
PID 1744 wrote to memory of 460	1744	RegAsm.exe	netsh.exe
PID 1744 wrote to memory of 460	1744	RegAsm.exe	netsh.exe
PID 1744 wrote to memory of 460	1744	RegAsm.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\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-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\Swift.scan.pdf..exe
"C:\Users\Admin\AppData\Local\Temp\Swift.scan.pdf..exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:784

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
PID:892

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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1744

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:460

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/460-72-0x0000000000000000-mapping.dmp

Download
memory/784-55-0x0000000000570000-0x0000000000578000-memory.dmp

Filesize
32KB

Download
memory/784-56-0x00000000047D0000-0x000000000481C000-memory.dmp

Filesize
304KB

Download
memory/784-57-0x0000000076391000-0x0000000076393000-memory.dmp

Filesize
8KB

Download
memory/784-58-0x0000000000680000-0x0000000000696000-memory.dmp

Filesize
88KB

Download
memory/784-59-0x0000000000750000-0x0000000000764000-memory.dmp

Filesize
80KB

Download
memory/784-54-0x0000000000980000-0x00000000009E8000-memory.dmp

Filesize
416KB

Download
memory/1744-60-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1744-63-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1744-64-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1744-65-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1744-66-0x000000000044CA7E-mapping.dmp

Download
memory/1744-68-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1744-70-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1744-61-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads