agenttesla | 5419b072a9edf702026def4104a16a22fc7ac5ad7a846d06d3c16e93d8aab540

General

Target

PO#20221205INV32# pdf.exe
Size

778KB
MD5

810b64b357a56305bf4206c3b54590b7
SHA1

f2b333a4a169a25aedd12dff2f7ae02de0e8401d
SHA256

5419b072a9edf702026def4104a16a22fc7ac5ad7a846d06d3c16e93d8aab540
SHA512

024292eae850b424a1f4d0f73d7346108763d7024ff6330a63705fbb4bfa8259cdf1c2c7e58903805ed022f0d3acaae560f3aec0f8e2cd2a629b62ab56a34907
SSDEEP

12288:swlAFmomPZefgPtqvyMo4/ikmgOa2Y1ubCNxtZkr9704V7oQPKM+PHaddNL8IPA/:LomxigQ7o4/lm+zgbku04VtPKMbvPA/

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
WEf*ZBI1

Signatures

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

PO#20221205INV32# pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#20221205INV32# pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#20221205INV32# pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#20221205INV32# pdf.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

PO#20221205INV32# pdf.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\sYEatj = "C:\\Users\\Admin\\AppData\\Roaming\\sYEatj\\sYEatj.exe"	PO#20221205INV32# pdf.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 api.ipify.org
5 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

PO#20221205INV32# pdf.exe

description pid process target process

PID 1740 set thread context of 1168 1740 PO#20221205INV32# pdf.exe PO#20221205INV32# pdf.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

PO#20221205INV32# pdf.exe

pid process

1168 PO#20221205INV32# pdf.exe
1168 PO#20221205INV32# pdf.exe
1168 PO#20221205INV32# pdf.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

PO#20221205INV32# pdf.exe

description pid process

Token: SeDebugPrivilege 1168 PO#20221205INV32# pdf.exe

flow	ioc
4	api.ipify.org
5	api.ipify.org

description	pid	process	target process
PID 1740 set thread context of 1168	1740	PO#20221205INV32# pdf.exe	PO#20221205INV32# pdf.exe

pid	process
1168	PO#20221205INV32# pdf.exe
1168	PO#20221205INV32# pdf.exe
1168	PO#20221205INV32# pdf.exe

description	pid	process
Token: SeDebugPrivilege	1168	PO#20221205INV32# pdf.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

PO#20221205INV32# pdf.exe

description	pid	process	target process
PID 1740 wrote to memory of 1168	1740	PO#20221205INV32# pdf.exe	PO#20221205INV32# pdf.exe
PID 1740 wrote to memory of 1168	1740	PO#20221205INV32# pdf.exe	PO#20221205INV32# pdf.exe
PID 1740 wrote to memory of 1168	1740	PO#20221205INV32# pdf.exe	PO#20221205INV32# pdf.exe
PID 1740 wrote to memory of 1168	1740	PO#20221205INV32# pdf.exe	PO#20221205INV32# pdf.exe
PID 1740 wrote to memory of 1168	1740	PO#20221205INV32# pdf.exe	PO#20221205INV32# pdf.exe
PID 1740 wrote to memory of 1168	1740	PO#20221205INV32# pdf.exe	PO#20221205INV32# pdf.exe
PID 1740 wrote to memory of 1168	1740	PO#20221205INV32# pdf.exe	PO#20221205INV32# pdf.exe
PID 1740 wrote to memory of 1168	1740	PO#20221205INV32# pdf.exe	PO#20221205INV32# pdf.exe
PID 1740 wrote to memory of 1168	1740	PO#20221205INV32# pdf.exe	PO#20221205INV32# pdf.exe

outlook_office_path 1 IoCs

Processes:

PO#20221205INV32# pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#20221205INV32# pdf.exe

outlook_win_path 1 IoCs

Processes:

PO#20221205INV32# pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#20221205INV32# pdf.exe

C:\Users\Admin\AppData\Local\Temp\PO#20221205INV32# pdf.exe
"C:\Users\Admin\AppData\Local\Temp\PO#20221205INV32# pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1740

C:\Users\Admin\AppData\Local\Temp\PO#20221205INV32# pdf.exe
"C:\Users\Admin\AppData\Local\Temp\PO#20221205INV32# pdf.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1168

Network

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/1168-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1168-63-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1168-70-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1168-68-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1168-66-0x0000000000437CDE-mapping.dmp

Download
memory/1168-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1168-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1168-60-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1740-55-0x0000000075931000-0x0000000075933000-memory.dmp

Filesize
8KB

Download
memory/1740-54-0x0000000000F20000-0x0000000000FE8000-memory.dmp

Filesize
800KB

Download
memory/1740-59-0x00000000046C0000-0x0000000004708000-memory.dmp

Filesize
288KB

Download
memory/1740-58-0x0000000007F20000-0x0000000007FA2000-memory.dmp

Filesize
520KB

Download
memory/1740-57-0x0000000000310000-0x000000000031E000-memory.dmp

Filesize
56KB

Download
memory/1740-56-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads