agenttesla | d2a14337d5114e189e91736aaaa069410cfae88d3c75c77618c9a7fa2418109a

General

Target

PO#1132 &1133.exe
Size

500KB
MD5

66025ac6fd60f45bbeac781a6dd87b0d
SHA1

c18b50db3c100d0adbc7a60530e515eb35483389
SHA256

788c228ea56724227e6eb18a04d36fa4eda9dcfd5a90f1131a54f01ce7445a48
SHA512

14aacfd10e247eca000671364a37de573ec9dc98cd18758a7809a0adb0a9d96df1ebb2d5fd54695cd48fcaed9388eff33a8a50c539cc0576baf734a0a96e6b53
SSDEEP

12288:EW9ABfUnsuZbSSPcLRy70P5+7xsQRTK05+UL/QT3Z7i:EW9uUfZ/cLRy70PU7xsQRK05o7l

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.strictfacilityservices.com
Port:
587
Username:
[email protected]
Password:
SFS!@#321
Email To:
[email protected]

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

PO#1132 &1133.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	PO#1132 &1133.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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

PO#1132 &1133.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#1132 &1133.exe
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#1132 &1133.exe
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#1132 &1133.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

53 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

PO#1132 &1133.exe

description pid process target process

PID 4024 set thread context of 2104 4024 PO#1132 &1133.exe PO#1132 &1133.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

4232 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

PO#1132 &1133.exePO#1132 &1133.exe

pid process

4024 PO#1132 &1133.exe
2104 PO#1132 &1133.exe
2104 PO#1132 &1133.exe
2104 PO#1132 &1133.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO#1132 &1133.exePO#1132 &1133.exe

description pid process

Token: SeDebugPrivilege 4024 PO#1132 &1133.exe
Token: SeDebugPrivilege 2104 PO#1132 &1133.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PO#1132 &1133.exe

pid process

2104 PO#1132 &1133.exe

flow	ioc
53	api.ipify.org

description	pid	process	target process
PID 4024 set thread context of 2104	4024	PO#1132 &1133.exe	PO#1132 &1133.exe

pid	process
4232	schtasks.exe

pid	process
4024	PO#1132 &1133.exe
2104	PO#1132 &1133.exe
2104	PO#1132 &1133.exe
2104	PO#1132 &1133.exe

description	pid	process
Token: SeDebugPrivilege	4024	PO#1132 &1133.exe
Token: SeDebugPrivilege	2104	PO#1132 &1133.exe

pid	process
2104	PO#1132 &1133.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

PO#1132 &1133.exe

description	pid	process	target process
PID 4024 wrote to memory of 4232	4024	PO#1132 &1133.exe	schtasks.exe
PID 4024 wrote to memory of 4232	4024	PO#1132 &1133.exe	schtasks.exe
PID 4024 wrote to memory of 4232	4024	PO#1132 &1133.exe	schtasks.exe
PID 4024 wrote to memory of 2104	4024	PO#1132 &1133.exe	PO#1132 &1133.exe
PID 4024 wrote to memory of 2104	4024	PO#1132 &1133.exe	PO#1132 &1133.exe
PID 4024 wrote to memory of 2104	4024	PO#1132 &1133.exe	PO#1132 &1133.exe
PID 4024 wrote to memory of 2104	4024	PO#1132 &1133.exe	PO#1132 &1133.exe
PID 4024 wrote to memory of 2104	4024	PO#1132 &1133.exe	PO#1132 &1133.exe
PID 4024 wrote to memory of 2104	4024	PO#1132 &1133.exe	PO#1132 &1133.exe
PID 4024 wrote to memory of 2104	4024	PO#1132 &1133.exe	PO#1132 &1133.exe
PID 4024 wrote to memory of 2104	4024	PO#1132 &1133.exe	PO#1132 &1133.exe

outlook_office_path 1 IoCs

Processes:

PO#1132 &1133.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#1132 &1133.exe

outlook_win_path 1 IoCs

Processes:

PO#1132 &1133.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#1132 &1133.exe

C:\Users\Admin\AppData\Local\Temp\PO#1132 &1133.exe
"C:\Users\Admin\AppData\Local\Temp\PO#1132 &1133.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4024

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iZHaPFhbQYqK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5803.tmp"
2⤵
- Creates scheduled task(s)
PID:4232

C:\Users\Admin\AppData\Local\Temp\PO#1132 &1133.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2104

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO#1132 &1133.exe.log

Filesize
1KB

MD5
84e77a587d94307c0ac1357eb4d3d46f

SHA1
83cc900f9401f43d181207d64c5adba7a85edc1e

SHA256
e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

SHA512
aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5803.tmp

Filesize
1KB

MD5
ee55ea26ac5512e3f72c7ede6a895a81

SHA1
7391eb3ac679a6ca528059131ea8e04e131d6718

SHA256
d7f396e2171ce5230b1184640fa707369edbb693dc6738b8ced3f904a9a16e2b

SHA512
d6ad7fba0a229afd96ce60e7e63fbda478e951bf796560c33361c696f30d575bec0f85d0ff0a8cf254f85646f7b65c7dd89933b914335786d7e38dc6d0352223

Download Submit
memory/2104-139-0x0000000000000000-mapping.dmp

Download
memory/2104-140-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2104-142-0x0000000006500000-0x0000000006566000-memory.dmp

Filesize
408KB

Download
memory/2104-143-0x0000000007320000-0x0000000007370000-memory.dmp

Filesize
320KB

Download
memory/4024-132-0x0000000000B10000-0x0000000000B94000-memory.dmp

Filesize
528KB

Download
memory/4024-133-0x0000000005A70000-0x0000000006014000-memory.dmp

Filesize
5.6MB

Download
memory/4024-134-0x0000000005560000-0x00000000055F2000-memory.dmp

Filesize
584KB

Download
memory/4024-135-0x00000000056A0000-0x000000000573C000-memory.dmp

Filesize
624KB

Download
memory/4024-136-0x0000000005640000-0x000000000564A000-memory.dmp

Filesize
40KB

Download
memory/4232-137-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads