agenttesla | 2e5247cb876de7d41c8cd2d350aa6512aeb1f93da5fdb368075d5cc97accfbd2

General

Target

order for August .scr
Size

1.7MB
MD5

a3732c7e285f3c9f310ba3aa0c80b324
SHA1

fb2c4beef9c57c54519a238870bb6cea0fd7f05e
SHA256

1fe24761cfcb48d6d3a4f1ad9d02c2429c7f567fda2bda78f5d12c89717c6285
SHA512

de1049c97658a7ec1d37bfe7e6cd39ef04df75b13cb5e7381413c4e9cc95757b2d62a191c020ac3c599a5c77ae22696b20b72ea13fc70fe2283fae849812dc2a

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
[email protected]
Password:
Doggy@#$234

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4644-130-0x0000000000BF0000-0x0000000000DA8000-memory.dmp	family_agenttesla
behavioral2/memory/3684-137-0x0000000000410000-0x000000000045A000-memory.dmp	family_agenttesla

Executes dropped EXE 1 IoCs

Processes:

RegAsm.exe

pid process

3684 RegAsm.exe
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

pid	process
3684	RegAsm.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

order for August .scr

description pid process target process

PID 4644 set thread context of 3684 4644 order for August .scr RegAsm.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

order for August .scrRegAsm.exe

pid process

4644 order for August .scr
4644 order for August .scr
4644 order for August .scr
3684 RegAsm.exe
3684 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

order for August .scrRegAsm.exe

description pid process

Token: SeDebugPrivilege 4644 order for August .scr
Token: SeDebugPrivilege 3684 RegAsm.exe

description	pid	process	target process
PID 4644 set thread context of 3684	4644	order for August .scr	RegAsm.exe

pid	process
4644	order for August .scr
4644	order for August .scr
4644	order for August .scr
3684	RegAsm.exe
3684	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	4644	order for August .scr
Token: SeDebugPrivilege	3684	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

order for August .scr

description	pid	process	target process
PID 4644 wrote to memory of 3684	4644	order for August .scr	RegAsm.exe
PID 4644 wrote to memory of 3684	4644	order for August .scr	RegAsm.exe
PID 4644 wrote to memory of 3684	4644	order for August .scr	RegAsm.exe
PID 4644 wrote to memory of 3684	4644	order for August .scr	RegAsm.exe
PID 4644 wrote to memory of 3684	4644	order for August .scr	RegAsm.exe
PID 4644 wrote to memory of 3684	4644	order for August .scr	RegAsm.exe
PID 4644 wrote to memory of 3684	4644	order for August .scr	RegAsm.exe
PID 4644 wrote to memory of 3684	4644	order for August .scr	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\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-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\order for August .scr
"C:\Users\Admin\AppData\Local\Temp\order for August .scr" /S
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4644

C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
"C:\Users\Admin\AppData\Local\Temp\RegAsm.exe"
2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3684

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\RegAsm.exe

Filesize
63KB

MD5
0d5df43af2916f47d00c1573797c1a13

SHA1
230ab5559e806574d26b4c20847c368ed55483b0

SHA256
c066aee7aa3aa83f763ebc5541daa266ed6c648fbffcde0d836a13b221bb2adc

SHA512
f96cf9e1890746b12daf839a6d0f16f062b72c1b8a40439f96583f242980f10f867720232a6fa0f7d4d7ac0a7a6143981a5a130d6417ea98b181447134c7cfe2

Download Submit
C:\Users\Admin\AppData\Local\Temp\RegAsm.exe

Filesize
63KB

MD5
0d5df43af2916f47d00c1573797c1a13

SHA1
230ab5559e806574d26b4c20847c368ed55483b0

SHA256
c066aee7aa3aa83f763ebc5541daa266ed6c648fbffcde0d836a13b221bb2adc

SHA512
f96cf9e1890746b12daf839a6d0f16f062b72c1b8a40439f96583f242980f10f867720232a6fa0f7d4d7ac0a7a6143981a5a130d6417ea98b181447134c7cfe2

Download Submit
memory/3684-133-0x0000000000000000-mapping.dmp

Download
memory/3684-137-0x0000000000410000-0x000000000045A000-memory.dmp

Filesize
296KB

Download
memory/3684-138-0x0000000004B20000-0x0000000004BBC000-memory.dmp

Filesize
624KB

Download
memory/3684-139-0x00000000057D0000-0x0000000005836000-memory.dmp

Filesize
408KB

Download
memory/3684-140-0x0000000005D80000-0x0000000005DD0000-memory.dmp

Filesize
320KB

Download
memory/3684-141-0x0000000005D50000-0x0000000005D5A000-memory.dmp

Filesize
40KB

Download
memory/4644-130-0x0000000000BF0000-0x0000000000DA8000-memory.dmp

Filesize
1.7MB

Download
memory/4644-131-0x0000000006540000-0x0000000006AE4000-memory.dmp

Filesize
5.6MB

Download
memory/4644-132-0x0000000006070000-0x0000000006102000-memory.dmp

Filesize
584KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads