agenttesla | 1c61ddda86408d39192c8ad768fb2c0625af5f5cdbca79476e4c9359b61d5648

General

Target

P.O.exe
Size

1.0MB
MD5

2cb582090ac253860995b7844f7872f7
SHA1

dd9af5c059ee15378169231bb78056994b729174
SHA256

c77cb990d8c1292bc7e5c26336b1c38eaab5d8534e39ba7e63b10870acaecac4
SHA512

16011b3034956e620a37820c537a6de13a336a1e89d57490894724fa8bb6b735e38d5b89e9570e7b39838ec3252fc31be588cf87ef54b702cd0550aad56193a2

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

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

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/1692-64-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/1692-65-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/1692-66-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/1692-67-0x000000000046175E-mapping.dmp	family_agenttesla
behavioral1/memory/1692-71-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/1692-69-0x0000000000400000-0x0000000000466000-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:

P.O.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	P.O.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	P.O.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	P.O.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

P.O.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\NewApp = "C:\\Users\\Admin\\AppData\\Roaming\\NewApp\\NewApp.exe"	P.O.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

P.O.exe

description pid process target process

PID 2028 set thread context of 1692 2028 P.O.exe P.O.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

1448 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

P.O.exeP.O.exe

pid process

2028 P.O.exe
2028 P.O.exe
2028 P.O.exe
1692 P.O.exe
1692 P.O.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

P.O.exeP.O.exe

description pid process

Token: SeDebugPrivilege 2028 P.O.exe
Token: SeDebugPrivilege 1692 P.O.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

P.O.exe

pid process

1692 P.O.exe

description	pid	process	target process
PID 2028 set thread context of 1692	2028	P.O.exe	P.O.exe

pid	process
1448	schtasks.exe

pid	process
2028	P.O.exe
2028	P.O.exe
2028	P.O.exe
1692	P.O.exe
1692	P.O.exe

description	pid	process
Token: SeDebugPrivilege	2028	P.O.exe
Token: SeDebugPrivilege	1692	P.O.exe

pid	process
1692	P.O.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

P.O.exe

description	pid	process	target process
PID 2028 wrote to memory of 1448	2028	P.O.exe	schtasks.exe
PID 2028 wrote to memory of 1448	2028	P.O.exe	schtasks.exe
PID 2028 wrote to memory of 1448	2028	P.O.exe	schtasks.exe
PID 2028 wrote to memory of 1448	2028	P.O.exe	schtasks.exe
PID 2028 wrote to memory of 1100	2028	P.O.exe	P.O.exe
PID 2028 wrote to memory of 1100	2028	P.O.exe	P.O.exe
PID 2028 wrote to memory of 1100	2028	P.O.exe	P.O.exe
PID 2028 wrote to memory of 1100	2028	P.O.exe	P.O.exe
PID 2028 wrote to memory of 1924	2028	P.O.exe	P.O.exe
PID 2028 wrote to memory of 1924	2028	P.O.exe	P.O.exe
PID 2028 wrote to memory of 1924	2028	P.O.exe	P.O.exe
PID 2028 wrote to memory of 1924	2028	P.O.exe	P.O.exe
PID 2028 wrote to memory of 1684	2028	P.O.exe	P.O.exe
PID 2028 wrote to memory of 1684	2028	P.O.exe	P.O.exe
PID 2028 wrote to memory of 1684	2028	P.O.exe	P.O.exe
PID 2028 wrote to memory of 1684	2028	P.O.exe	P.O.exe
PID 2028 wrote to memory of 1692	2028	P.O.exe	P.O.exe
PID 2028 wrote to memory of 1692	2028	P.O.exe	P.O.exe
PID 2028 wrote to memory of 1692	2028	P.O.exe	P.O.exe
PID 2028 wrote to memory of 1692	2028	P.O.exe	P.O.exe
PID 2028 wrote to memory of 1692	2028	P.O.exe	P.O.exe
PID 2028 wrote to memory of 1692	2028	P.O.exe	P.O.exe
PID 2028 wrote to memory of 1692	2028	P.O.exe	P.O.exe
PID 2028 wrote to memory of 1692	2028	P.O.exe	P.O.exe
PID 2028 wrote to memory of 1692	2028	P.O.exe	P.O.exe

outlook_office_path 1 IoCs

Processes:

P.O.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	P.O.exe

outlook_win_path 1 IoCs

Processes:

P.O.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	P.O.exe

C:\Users\Admin\AppData\Local\Temp\P.O.exe
"C:\Users\Admin\AppData\Local\Temp\P.O.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2028

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WdUQXkI" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF0F4.tmp"
2⤵
- Creates scheduled task(s)
PID:1448

C:\Users\Admin\AppData\Local\Temp\P.O.exe
"C:\Users\Admin\AppData\Local\Temp\P.O.exe"
2⤵
PID:1100

C:\Users\Admin\AppData\Local\Temp\P.O.exe
"C:\Users\Admin\AppData\Local\Temp\P.O.exe"
2⤵
PID:1924

C:\Users\Admin\AppData\Local\Temp\P.O.exe
"C:\Users\Admin\AppData\Local\Temp\P.O.exe"
2⤵
PID:1684

C:\Users\Admin\AppData\Local\Temp\P.O.exe
"C:\Users\Admin\AppData\Local\Temp\P.O.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1692

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\tmpF0F4.tmp

Filesize
1KB

MD5
85986c09089b570f2c3c80931988b336

SHA1
7f54c78914338657197dadbd990363e8236a3972

SHA256
9ea01f3e110a7814376ed3c9fe2fb2417933b4aef2e29cc65ed9ca2a86bb4377

SHA512
aa83f45d24f8f044ade758371755368696be264e230a8e4cae4b960564de0ab2cf3e6ca2e004c45be8903eb2aeb1f91c2c5906fa08133df66f24a20e8564710e

Download Submit
memory/1448-59-0x0000000000000000-mapping.dmp

Download
memory/1692-64-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1692-61-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1692-62-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1692-65-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1692-66-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1692-67-0x000000000046175E-mapping.dmp

Download
memory/1692-71-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1692-69-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2028-57-0x0000000005E70000-0x0000000005F14000-memory.dmp

Filesize
656KB

Download
memory/2028-58-0x0000000005F10000-0x0000000005F86000-memory.dmp

Filesize
472KB

Download
memory/2028-56-0x00000000003E0000-0x00000000003F0000-memory.dmp

Filesize
64KB

Download
memory/2028-55-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

Filesize
8KB

Download
memory/2028-54-0x0000000000DD0000-0x0000000000ED8000-memory.dmp

Filesize
1.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads