agenttesla | d3638bf040cca677c4c5156a8a28501902408cde8acb3c11b28b2a69b20943f4

General

Target

Purchase Order.exe
Size

591KB
MD5

c12700a437eb04514593fead2cc67f58
SHA1

468ab8ea506b202d06240dd1d06fc2b70de51af2
SHA256

f155dd64a514c9ea5ffc36222d1c66c8daf6416945dbc8e8dd7a5b2cefae02d3
SHA512

603daeb934e3d650241b6994a3e9e7e7715af0db679d3792e93010fa6d7dc4ea72155640131d86bcb50060b6a745faa3ee15e4de41635c5fd62febde8b9c5782

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

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 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1116-62-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1116-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1116-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1116-65-0x000000000044737E-mapping.dmp	family_agenttesla
behavioral1/memory/1116-67-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1116-69-0x0000000000400000-0x000000000044C000-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-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\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-1-5-21-790309383-526510583-3802439154-1000\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 1120 set thread context of 1116 1120 Purchase Order.exe Purchase Order.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Purchase Order.exePurchase Order.exe

pid process

1120 Purchase Order.exe
1120 Purchase Order.exe
1116 Purchase Order.exe
1116 Purchase Order.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

Purchase Order.exe

pid process

1116 Purchase Order.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Purchase Order.exePurchase Order.exe

description pid process

Token: SeDebugPrivilege 1120 Purchase Order.exe
Token: SeDebugPrivilege 1116 Purchase Order.exe

description	pid	process	target process
PID 1120 set thread context of 1116	1120	Purchase Order.exe	Purchase Order.exe

pid	process
1120	Purchase Order.exe
1120	Purchase Order.exe
1116	Purchase Order.exe
1116	Purchase Order.exe

pid	process
1116	Purchase Order.exe

description	pid	process
Token: SeDebugPrivilege	1120	Purchase Order.exe
Token: SeDebugPrivilege	1116	Purchase Order.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Purchase Order.exe

description	pid	process	target process
PID 1120 wrote to memory of 1116	1120	Purchase Order.exe	Purchase Order.exe
PID 1120 wrote to memory of 1116	1120	Purchase Order.exe	Purchase Order.exe
PID 1120 wrote to memory of 1116	1120	Purchase Order.exe	Purchase Order.exe
PID 1120 wrote to memory of 1116	1120	Purchase Order.exe	Purchase Order.exe
PID 1120 wrote to memory of 1116	1120	Purchase Order.exe	Purchase Order.exe
PID 1120 wrote to memory of 1116	1120	Purchase Order.exe	Purchase Order.exe
PID 1120 wrote to memory of 1116	1120	Purchase Order.exe	Purchase Order.exe
PID 1120 wrote to memory of 1116	1120	Purchase Order.exe	Purchase Order.exe
PID 1120 wrote to memory of 1116	1120	Purchase Order.exe	Purchase Order.exe

outlook_office_path 1 IoCs

Processes:

Purchase Order.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\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-1-5-21-790309383-526510583-3802439154-1000\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:1120

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:1116

MITRE ATT&CK Matrix ATT&CK 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

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1116-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1116-59-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1116-60-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1116-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1116-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1116-65-0x000000000044737E-mapping.dmp

Download
memory/1116-67-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1116-69-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1120-55-0x00000000759E1000-0x00000000759E3000-memory.dmp

Filesize
8KB

Download
memory/1120-56-0x0000000000350000-0x000000000035A000-memory.dmp

Filesize
40KB

Download
memory/1120-57-0x0000000000600000-0x0000000000672000-memory.dmp

Filesize
456KB

Download
memory/1120-58-0x0000000004FB0000-0x0000000005006000-memory.dmp

Filesize
344KB

Download
memory/1120-54-0x0000000001360000-0x00000000013FA000-memory.dmp

Filesize
616KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads