agenttesla | 6d9edc2463192ab41345fd48b44d3ce69c47a2b70097c8e31a153190a18b2b1d

General

Target

Purchase Order.exe
Size

455KB
MD5

0de607d7e44900630a03902716cde06d
SHA1

2996fc9fd8b2b09c56b26cfa675acfabe8ae9139
SHA256

6567bac453fabf7e0049d881db8ee06561d7aee2262b8181c8e8788a3e18999d
SHA512

93577c57782f91cfd88feee3746bae75a051d31aceb64b8291d5b8ecedc520e75473aedbd4ca9903a91bdd4aec3ebb33dd30d2bc37670ef843bc9c4b9443579f

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.threewaystoharems.com
Port:
587
Username:
[email protected]
Password:
sales@123456

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.threewaystoharems.com
Port:
587
Username:
[email protected]
Password:
sales@123456

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4256-134-0x0000000000400000-0x000000000044C000-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:

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Purchase Order.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe"	Purchase Order.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Purchase Order.exe

description pid process target process

PID 1624 set thread context of 4256 1624 Purchase Order.exe Purchase Order.exe

description	pid	process	target process
PID 1624 set thread context of 4256	1624	Purchase Order.exe	Purchase Order.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

Purchase Order.exePurchase Order.exe

pid	process
1624	Purchase Order.exe
1624	Purchase Order.exe
1624	Purchase Order.exe
1624	Purchase Order.exe
1624	Purchase Order.exe
1624	Purchase Order.exe
4256	Purchase Order.exe
4256	Purchase Order.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

Purchase Order.exe

pid process

4256 Purchase Order.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Purchase Order.exePurchase Order.exe

description pid process

Token: SeDebugPrivilege 1624 Purchase Order.exe
Token: SeDebugPrivilege 4256 Purchase Order.exe

pid	process
4256	Purchase Order.exe

description	pid	process
Token: SeDebugPrivilege	1624	Purchase Order.exe
Token: SeDebugPrivilege	4256	Purchase Order.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Purchase Order.exe

description	pid	process	target process
PID 1624 wrote to memory of 4256	1624	Purchase Order.exe	Purchase Order.exe
PID 1624 wrote to memory of 4256	1624	Purchase Order.exe	Purchase Order.exe
PID 1624 wrote to memory of 4256	1624	Purchase Order.exe	Purchase Order.exe
PID 1624 wrote to memory of 4256	1624	Purchase Order.exe	Purchase Order.exe
PID 1624 wrote to memory of 4256	1624	Purchase Order.exe	Purchase Order.exe
PID 1624 wrote to memory of 4256	1624	Purchase Order.exe	Purchase Order.exe
PID 1624 wrote to memory of 4256	1624	Purchase Order.exe	Purchase Order.exe
PID 1624 wrote to memory of 4256	1624	Purchase Order.exe	Purchase Order.exe

outlook_office_path 1 IoCs

Processes:

Purchase Order.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	Purchase Order.exe

outlook_win_path 1 IoCs

Processes:

Purchase Order.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	Purchase Order.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1624

C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4256

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

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/1624-130-0x0000000000D00000-0x0000000000D78000-memory.dmp

Filesize
480KB

Download
memory/1624-131-0x0000000005A50000-0x0000000005AEC000-memory.dmp

Filesize
624KB

Download
memory/1624-132-0x0000000005B90000-0x0000000005C22000-memory.dmp

Filesize
584KB

Download
memory/4256-133-0x0000000000000000-mapping.dmp

Download
memory/4256-134-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4256-135-0x00000000058F0000-0x0000000005E94000-memory.dmp

Filesize
5.6MB

Download
memory/4256-136-0x00000000057E0000-0x0000000005846000-memory.dmp

Filesize
408KB

Download
memory/4256-137-0x00000000065D0000-0x0000000006620000-memory.dmp

Filesize
320KB

Download
memory/4256-138-0x00000000068C0000-0x00000000068CA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads