agenttesla | 5db2f2a9d86b6af21d70f614d0d918f22febf3ec5915e05d83b1fa791e4917d6

General

Target

6908cd5efe5473c75c9f2fc4a0b71557.exe
Size

736KB
MD5

6908cd5efe5473c75c9f2fc4a0b71557
SHA1

4e9bbcaf024a89dba6b9e2df0324b6903bdfa6f0
SHA256

5db2f2a9d86b6af21d70f614d0d918f22febf3ec5915e05d83b1fa791e4917d6
SHA512

bdfa188b32876f0f1fc0fa842fc964fcadedf024f2c10964e2fc093f2994d953ca7036c70c7d484c767a8d0a278c59ababb1ea851a1021bc7eb52beae5a47487

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.tccinfaes.com
Port:
587
Username:
margaridasantos@tccinfaes.com
Password:
TccBps1427log

Signatures

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

AgentTesla Payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1404-61-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1404-62-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1404-63-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1404-64-0x000000000043760E-mapping.dmp	family_agenttesla
behavioral1/memory/1404-65-0x0000000000400000-0x000000000043C000-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:

6908cd5efe5473c75c9f2fc4a0b71557.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6908cd5efe5473c75c9f2fc4a0b71557.exe
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6908cd5efe5473c75c9f2fc4a0b71557.exe
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6908cd5efe5473c75c9f2fc4a0b71557.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

6908cd5efe5473c75c9f2fc4a0b71557.exe

description pid process target process

PID 1652 set thread context of 1404 1652 6908cd5efe5473c75c9f2fc4a0b71557.exe 6908cd5efe5473c75c9f2fc4a0b71557.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

6908cd5efe5473c75c9f2fc4a0b71557.exe

pid process

1404 6908cd5efe5473c75c9f2fc4a0b71557.exe
1404 6908cd5efe5473c75c9f2fc4a0b71557.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

6908cd5efe5473c75c9f2fc4a0b71557.exe

description pid process

Token: SeDebugPrivilege 1404 6908cd5efe5473c75c9f2fc4a0b71557.exe

description	pid	process	target process
PID 1652 set thread context of 1404	1652	6908cd5efe5473c75c9f2fc4a0b71557.exe	6908cd5efe5473c75c9f2fc4a0b71557.exe

pid	process
1404	6908cd5efe5473c75c9f2fc4a0b71557.exe
1404	6908cd5efe5473c75c9f2fc4a0b71557.exe

description	pid	process
Token: SeDebugPrivilege	1404	6908cd5efe5473c75c9f2fc4a0b71557.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

6908cd5efe5473c75c9f2fc4a0b71557.exe

description	pid	process	target process
PID 1652 wrote to memory of 1404	1652	6908cd5efe5473c75c9f2fc4a0b71557.exe	6908cd5efe5473c75c9f2fc4a0b71557.exe
PID 1652 wrote to memory of 1404	1652	6908cd5efe5473c75c9f2fc4a0b71557.exe	6908cd5efe5473c75c9f2fc4a0b71557.exe
PID 1652 wrote to memory of 1404	1652	6908cd5efe5473c75c9f2fc4a0b71557.exe	6908cd5efe5473c75c9f2fc4a0b71557.exe
PID 1652 wrote to memory of 1404	1652	6908cd5efe5473c75c9f2fc4a0b71557.exe	6908cd5efe5473c75c9f2fc4a0b71557.exe
PID 1652 wrote to memory of 1404	1652	6908cd5efe5473c75c9f2fc4a0b71557.exe	6908cd5efe5473c75c9f2fc4a0b71557.exe
PID 1652 wrote to memory of 1404	1652	6908cd5efe5473c75c9f2fc4a0b71557.exe	6908cd5efe5473c75c9f2fc4a0b71557.exe
PID 1652 wrote to memory of 1404	1652	6908cd5efe5473c75c9f2fc4a0b71557.exe	6908cd5efe5473c75c9f2fc4a0b71557.exe
PID 1652 wrote to memory of 1404	1652	6908cd5efe5473c75c9f2fc4a0b71557.exe	6908cd5efe5473c75c9f2fc4a0b71557.exe
PID 1652 wrote to memory of 1404	1652	6908cd5efe5473c75c9f2fc4a0b71557.exe	6908cd5efe5473c75c9f2fc4a0b71557.exe

outlook_office_path 1 IoCs

Processes:

6908cd5efe5473c75c9f2fc4a0b71557.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6908cd5efe5473c75c9f2fc4a0b71557.exe

outlook_win_path 1 IoCs

Processes:

6908cd5efe5473c75c9f2fc4a0b71557.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6908cd5efe5473c75c9f2fc4a0b71557.exe

C:\Users\Admin\AppData\Local\Temp\6908cd5efe5473c75c9f2fc4a0b71557.exe
"C:\Users\Admin\AppData\Local\Temp\6908cd5efe5473c75c9f2fc4a0b71557.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1652

C:\Users\Admin\AppData\Local\Temp\6908cd5efe5473c75c9f2fc4a0b71557.exe
"C:\Users\Admin\AppData\Local\Temp\6908cd5efe5473c75c9f2fc4a0b71557.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1404

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

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Downloads

memory/1404-64-0x000000000043760E-mapping.dmp

Download
memory/1404-59-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1404-60-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1404-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1404-62-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1404-63-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1404-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1404-67-0x0000000004D20000-0x0000000004D21000-memory.dmp

Filesize
4KB

Download
memory/1404-68-0x0000000004D21000-0x0000000004D22000-memory.dmp

Filesize
4KB

Download
memory/1652-56-0x0000000000660000-0x0000000000661000-memory.dmp

Filesize
4KB

Download
memory/1652-57-0x0000000000570000-0x0000000000577000-memory.dmp

Filesize
28KB

Download
memory/1652-58-0x0000000004930000-0x0000000004988000-memory.dmp

Filesize
352KB

Download
memory/1652-54-0x0000000000BA0000-0x0000000000BA1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads