agenttesla | b5cd58d509b54339937f39448e339708217445332f265a1e9ac7f42eb67656fe

General

Target

purchase orders.exe
Size

488KB
MD5

2c2d3105123454cc637f36f4d87538ef
SHA1

2548b73e24f969c2fb9d780683c3f573e265a451
SHA256

fdd016077ae901b6249b71415d30c134ff7c7a44e00c2e78027d2537ac9be019
SHA512

a7fdb428c7f7cde14a7509c61db2204a315cf7200e3545d4777564c27f2f887cce0ffbaffc2887f60ccdb99e2bb02d5882ca3a58933c9ea9bc81110cdff69c63

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.diva-italia.com
Port:
587
Username:
info@diva-italia.com
Password:
rr.@%5LjgLz7

Signatures

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

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/752-125-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/752-126-0x000000000043761E-mapping.dmp	family_agenttesla
behavioral2/memory/752-132-0x0000000005410000-0x000000000590E000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

purchase orders.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts purchase orders.exe
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

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	purchase orders.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

purchase orders.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase orders.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase orders.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase orders.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

purchase orders.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe"	purchase orders.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

purchase orders.exe

description pid process target process

PID 2744 set thread context of 752 2744 purchase orders.exe purchase orders.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

2992 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

purchase orders.exepurchase orders.exe

pid process

2744 purchase orders.exe
2744 purchase orders.exe
2744 purchase orders.exe
752 purchase orders.exe
752 purchase orders.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

purchase orders.exepurchase orders.exe

description pid process

Token: SeDebugPrivilege 2744 purchase orders.exe
Token: SeDebugPrivilege 752 purchase orders.exe

description	pid	process	target process
PID 2744 set thread context of 752	2744	purchase orders.exe	purchase orders.exe

pid	process
2992	schtasks.exe

pid	process
2744	purchase orders.exe
2744	purchase orders.exe
2744	purchase orders.exe
752	purchase orders.exe
752	purchase orders.exe

description	pid	process
Token: SeDebugPrivilege	2744	purchase orders.exe
Token: SeDebugPrivilege	752	purchase orders.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

purchase orders.exe

description	pid	process	target process
PID 2744 wrote to memory of 2992	2744	purchase orders.exe	schtasks.exe
PID 2744 wrote to memory of 2992	2744	purchase orders.exe	schtasks.exe
PID 2744 wrote to memory of 2992	2744	purchase orders.exe	schtasks.exe
PID 2744 wrote to memory of 752	2744	purchase orders.exe	purchase orders.exe
PID 2744 wrote to memory of 752	2744	purchase orders.exe	purchase orders.exe
PID 2744 wrote to memory of 752	2744	purchase orders.exe	purchase orders.exe
PID 2744 wrote to memory of 752	2744	purchase orders.exe	purchase orders.exe
PID 2744 wrote to memory of 752	2744	purchase orders.exe	purchase orders.exe
PID 2744 wrote to memory of 752	2744	purchase orders.exe	purchase orders.exe
PID 2744 wrote to memory of 752	2744	purchase orders.exe	purchase orders.exe
PID 2744 wrote to memory of 752	2744	purchase orders.exe	purchase orders.exe

outlook_office_path 1 IoCs

Processes:

purchase orders.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase orders.exe

outlook_win_path 1 IoCs

Processes:

purchase orders.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase orders.exe

C:\Users\Admin\AppData\Local\Temp\purchase orders.exe
"C:\Users\Admin\AppData\Local\Temp\purchase orders.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2744

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LErShFWgvWWU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp88C4.tmp"
2⤵
- Creates scheduled task(s)
PID:2992

C:\Users\Admin\AppData\Local\Temp\purchase orders.exe
"C:\Users\Admin\AppData\Local\Temp\purchase orders.exe"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:752

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\purchase orders.exe.log
MD5
0c2899d7c6746f42d5bbe088c777f94c

SHA1
622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

SHA256
5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

SHA512
ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

Download Submit
memory/752-125-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/752-134-0x0000000006100000-0x0000000006101000-memory.dmp

Filesize
4KB

Download
memory/752-133-0x00000000054D0000-0x00000000054D1000-memory.dmp

Filesize
4KB

Download
memory/752-132-0x0000000005410000-0x000000000590E000-memory.dmp

Filesize
5.0MB

Download
memory/752-126-0x000000000043761E-mapping.dmp

Download
memory/2744-119-0x00000000055F0000-0x00000000055F1000-memory.dmp

Filesize
4KB

Download
memory/2744-123-0x0000000006470000-0x00000000064C8000-memory.dmp

Filesize
352KB

Download
memory/2744-122-0x00000000062D0000-0x00000000062D1000-memory.dmp

Filesize
4KB

Download
memory/2744-121-0x0000000005F80000-0x0000000005F87000-memory.dmp

Filesize
28KB

Download
memory/2744-120-0x0000000005450000-0x000000000594E000-memory.dmp

Filesize
5.0MB

Download
memory/2744-115-0x0000000000CA0000-0x0000000000CA1000-memory.dmp

Filesize
4KB

Download
memory/2744-118-0x0000000005550000-0x0000000005551000-memory.dmp

Filesize
4KB

Download
memory/2744-117-0x0000000005950000-0x0000000005951000-memory.dmp

Filesize
4KB

Download
memory/2992-124-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads