agenttesla | 4dd809ef7b62945f513de235fef1665fad3cfd0b4efb56c170c03502bde36280

General

Target

INVOICE_2203320045_xlxs.exe
Size

526KB
MD5

dd108215d60d63656303ca265f03fade
SHA1

4eb98302f26496e020dc62d927555d9ae880fb10
SHA256

af27bd7180ad756460e32f2ae56db7cbdc8a79e73a36b261a96f803e5b051fd5
SHA512

dfb474ed650e7f56261047a45a938ffcf6653d57f5cc3bb95ae4651af04f31b8056657d1ccf8229caf3af91d387fdc8a411d43833194d7ede6f9a897982e92f2

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
blessing2020

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/1952-61-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/1952-62-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/1952-64-0x000000000046115E-mapping.dmp	family_agenttesla
behavioral1/memory/1952-63-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/1952-66-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/1952-68-0x0000000000400000-0x0000000000466000-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:

INVOICE_2203320045_xlxs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE_2203320045_xlxs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE_2203320045_xlxs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE_2203320045_xlxs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

INVOICE_2203320045_xlxs.exe

description pid process target process

PID 964 set thread context of 1952 964 INVOICE_2203320045_xlxs.exe INVOICE_2203320045_xlxs.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

1820 schtasks.exe

description	pid	process	target process
PID 964 set thread context of 1952	964	INVOICE_2203320045_xlxs.exe	INVOICE_2203320045_xlxs.exe

pid	process
1820	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

INVOICE_2203320045_xlxs.exeINVOICE_2203320045_xlxs.exe

pid	process
964	INVOICE_2203320045_xlxs.exe
964	INVOICE_2203320045_xlxs.exe
964	INVOICE_2203320045_xlxs.exe
1952	INVOICE_2203320045_xlxs.exe
1952	INVOICE_2203320045_xlxs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

INVOICE_2203320045_xlxs.exeINVOICE_2203320045_xlxs.exe

description pid process

Token: SeDebugPrivilege 964 INVOICE_2203320045_xlxs.exe
Token: SeDebugPrivilege 1952 INVOICE_2203320045_xlxs.exe

description	pid	process
Token: SeDebugPrivilege	964	INVOICE_2203320045_xlxs.exe
Token: SeDebugPrivilege	1952	INVOICE_2203320045_xlxs.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

INVOICE_2203320045_xlxs.exe

description	pid	process	target process
PID 964 wrote to memory of 1820	964	INVOICE_2203320045_xlxs.exe	schtasks.exe
PID 964 wrote to memory of 1820	964	INVOICE_2203320045_xlxs.exe	schtasks.exe
PID 964 wrote to memory of 1820	964	INVOICE_2203320045_xlxs.exe	schtasks.exe
PID 964 wrote to memory of 1820	964	INVOICE_2203320045_xlxs.exe	schtasks.exe
PID 964 wrote to memory of 1952	964	INVOICE_2203320045_xlxs.exe	INVOICE_2203320045_xlxs.exe
PID 964 wrote to memory of 1952	964	INVOICE_2203320045_xlxs.exe	INVOICE_2203320045_xlxs.exe
PID 964 wrote to memory of 1952	964	INVOICE_2203320045_xlxs.exe	INVOICE_2203320045_xlxs.exe
PID 964 wrote to memory of 1952	964	INVOICE_2203320045_xlxs.exe	INVOICE_2203320045_xlxs.exe
PID 964 wrote to memory of 1952	964	INVOICE_2203320045_xlxs.exe	INVOICE_2203320045_xlxs.exe
PID 964 wrote to memory of 1952	964	INVOICE_2203320045_xlxs.exe	INVOICE_2203320045_xlxs.exe
PID 964 wrote to memory of 1952	964	INVOICE_2203320045_xlxs.exe	INVOICE_2203320045_xlxs.exe
PID 964 wrote to memory of 1952	964	INVOICE_2203320045_xlxs.exe	INVOICE_2203320045_xlxs.exe
PID 964 wrote to memory of 1952	964	INVOICE_2203320045_xlxs.exe	INVOICE_2203320045_xlxs.exe

outlook_office_path 1 IoCs

Processes:

INVOICE_2203320045_xlxs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE_2203320045_xlxs.exe

outlook_win_path 1 IoCs

Processes:

INVOICE_2203320045_xlxs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE_2203320045_xlxs.exe

C:\Users\Admin\AppData\Local\Temp\INVOICE_2203320045_xlxs.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE_2203320045_xlxs.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:964

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KtYjgOHP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2BB3.tmp"
2⤵
- Creates scheduled task(s)
PID:1820

C:\Users\Admin\AppData\Local\Temp\INVOICE_2203320045_xlxs.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1952

MITRE ATT&CK Matrix ATT&CK 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

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\Temp\tmp2BB3.tmp
Filesize
1KB

MD5
9bd5a07a03db3cca4e0be7137d4a381d

SHA1
4be1307bfcc87918f44e72814790ab49dfab727e

SHA256
9a8387add96c6ba4a0b1bb497ad5efbad4dbfffbf3304563cc3726e21bc1ad47

SHA512
d5edc0b04aea7e851f7b0516125cc822ae45e4afda919ee0c6bdcfbaa18aba65458be109749046484bbdf49727283712382dc35e9dea4093bfffdda72f76bde3

Download Submit
memory/964-54-0x00000000751C1000-0x00000000751C3000-memory.dmp

Filesize
8KB

Download
memory/964-55-0x00000000743A0000-0x000000007494B000-memory.dmp

Filesize
5.7MB

Download
memory/1820-56-0x0000000000000000-mapping.dmp

Download
memory/1952-61-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1952-59-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1952-58-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1952-62-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1952-64-0x000000000046115E-mapping.dmp

Download
memory/1952-63-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1952-66-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1952-68-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1952-70-0x00000000743A0000-0x000000007494B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads