agenttesla | fe5e91a9a892837b9450400f801a7f3d1b114c0b915026d4ee65922593579a0f

General

Target

Payment Advice.exe
Size

691KB
MD5

26af78ad5b6bde747cb7c5b6798d13f7
SHA1

28ebe93177032569db769b91ccd9e0992b76149d
SHA256

c937a2903274b2498a1d488de6d7cf11811d9dc51749e4c4256262e1236473f8
SHA512

159f1f5a13df5bb408376429278955d723117bd46097a7e1ecccfb248a0dbc0ef22708a76e5c6cf14c9b2b5ec2458505b01e9788fd3da734726b565e048023c6

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.grandtours.gr
Port:
587
Username:
[email protected]
Password:
!Bitter-bullet-chuck-major!

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/1540-64-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/1540-65-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/1540-66-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/1540-67-0x00000000004610AE-mapping.dmp	family_agenttesla
behavioral1/memory/1540-69-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/1540-71-0x0000000000400000-0x0000000000466000-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:

Payment Advice.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	Payment Advice.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Advice.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Advice.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Payment Advice.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\xxspw = "C:\\Users\\Admin\\AppData\\Roaming\\xxspw\\xxspw.exe"	Payment Advice.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Payment Advice.exe

description pid process target process

PID 2036 set thread context of 1540 2036 Payment Advice.exe Payment Advice.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

1600 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Payment Advice.exePayment Advice.exe

pid process

2036 Payment Advice.exe
2036 Payment Advice.exe
1540 Payment Advice.exe
1540 Payment Advice.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Payment Advice.exePayment Advice.exe

description pid process

Token: SeDebugPrivilege 2036 Payment Advice.exe
Token: SeDebugPrivilege 1540 Payment Advice.exe

description	pid	process	target process
PID 2036 set thread context of 1540	2036	Payment Advice.exe	Payment Advice.exe

pid	process
1600	schtasks.exe

pid	process
2036	Payment Advice.exe
2036	Payment Advice.exe
1540	Payment Advice.exe
1540	Payment Advice.exe

description	pid	process
Token: SeDebugPrivilege	2036	Payment Advice.exe
Token: SeDebugPrivilege	1540	Payment Advice.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Payment Advice.exe

description	pid	process	target process
PID 2036 wrote to memory of 1600	2036	Payment Advice.exe	schtasks.exe
PID 2036 wrote to memory of 1600	2036	Payment Advice.exe	schtasks.exe
PID 2036 wrote to memory of 1600	2036	Payment Advice.exe	schtasks.exe
PID 2036 wrote to memory of 1600	2036	Payment Advice.exe	schtasks.exe
PID 2036 wrote to memory of 1540	2036	Payment Advice.exe	Payment Advice.exe
PID 2036 wrote to memory of 1540	2036	Payment Advice.exe	Payment Advice.exe
PID 2036 wrote to memory of 1540	2036	Payment Advice.exe	Payment Advice.exe
PID 2036 wrote to memory of 1540	2036	Payment Advice.exe	Payment Advice.exe
PID 2036 wrote to memory of 1540	2036	Payment Advice.exe	Payment Advice.exe
PID 2036 wrote to memory of 1540	2036	Payment Advice.exe	Payment Advice.exe
PID 2036 wrote to memory of 1540	2036	Payment Advice.exe	Payment Advice.exe
PID 2036 wrote to memory of 1540	2036	Payment Advice.exe	Payment Advice.exe
PID 2036 wrote to memory of 1540	2036	Payment Advice.exe	Payment Advice.exe

outlook_office_path 1 IoCs

Processes:

Payment Advice.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	Payment Advice.exe

outlook_win_path 1 IoCs

Processes:

Payment Advice.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	Payment Advice.exe

C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2036

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dYsSYgDjRqcG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF854.tmp"
2⤵
- Creates scheduled task(s)
PID:1600

C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe
"{path}"
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:1540

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

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

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF854.tmp

Filesize
1KB

MD5
1c5df864ad8f03e3b92d08816ee964e1

SHA1
22f96077b0f810e328113ad6d18f97ecd73fbe8c

SHA256
717401c7ebb05a0d04377fb0fa89ad44dee1e642afd41bdd82873dd6cee16c4f

SHA512
90c1dcb6dbf01f6f58d38710b36e8ee38e55378087613006c73e0b25ffde7b02a868703e9505ca3ea0b1855151ae0ebbcc2ce734fa8ae334094c1fe338444605

Download Submit
memory/1540-64-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1540-66-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1540-71-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1540-69-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1540-67-0x00000000004610AE-mapping.dmp

Download
memory/1540-65-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1540-61-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1540-62-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1600-59-0x0000000000000000-mapping.dmp

Download
memory/2036-54-0x00000000011C0000-0x0000000001274000-memory.dmp

Filesize
720KB

Download
memory/2036-55-0x0000000075C01000-0x0000000075C03000-memory.dmp

Filesize
8KB

Download
memory/2036-56-0x00000000004C0000-0x00000000004CA000-memory.dmp

Filesize
40KB

Download
memory/2036-58-0x0000000004F90000-0x0000000005022000-memory.dmp

Filesize
584KB

Download
memory/2036-57-0x00000000051F0000-0x0000000005294000-memory.dmp

Filesize
656KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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