agenttesla | 56d7482385631eaa41a5fe4b5bb2d7284cfe1035805512668b9495d0fd9c4a61

General

Target

Validation updates.exe
Size

468KB
MD5

2833579cbc9745e6286e1f6a9aae1b59
SHA1

833fabc94281d4b423b1874f87a7978cba5f2863
SHA256

56d7482385631eaa41a5fe4b5bb2d7284cfe1035805512668b9495d0fd9c4a61
SHA512

2d711fede262e29c6af210b6c80a1374726fdd8452cdfb351c2334274e7f35da96f3dd6d28c291d65d8f1be33c5336584bb3610a0a512aa91e6332ef77c990a6

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.unique-skill.com
Port:
587
Username:
[email protected]
Password:
1Cathy2boys

Signatures

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

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1376-11-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1376-12-0x00000000001E0000-0x0000000000216000-memory.dmp	family_agenttesla

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

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

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

Data from Local System
T1005

Credentials in Files
T1081
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

5 api.ipify.org
6 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Validation updates.exe

description pid process target process

PID 1648 set thread context of 1376 1648 Validation updates.exe Validation updates.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

1976 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Validation updates.exe

pid process

1376 Validation updates.exe
1376 Validation updates.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

Validation updates.exe

pid process

1648 Validation updates.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Validation updates.exe

description pid process

Token: SeDebugPrivilege 1376 Validation updates.exe

flow	ioc
5	api.ipify.org
6	api.ipify.org

description	pid	process	target process
PID 1648 set thread context of 1376	1648	Validation updates.exe	Validation updates.exe

pid	process
1976	schtasks.exe

pid	process
1376	Validation updates.exe
1376	Validation updates.exe

pid	process
1648	Validation updates.exe

description	pid	process
Token: SeDebugPrivilege	1376	Validation updates.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

Validation updates.execmd.exe

description	pid	process	target process
PID 1648 wrote to memory of 1336	1648	Validation updates.exe	cmd.exe
PID 1648 wrote to memory of 1336	1648	Validation updates.exe	cmd.exe
PID 1648 wrote to memory of 1336	1648	Validation updates.exe	cmd.exe
PID 1648 wrote to memory of 1336	1648	Validation updates.exe	cmd.exe
PID 1648 wrote to memory of 1336	1648	Validation updates.exe	cmd.exe
PID 1648 wrote to memory of 1336	1648	Validation updates.exe	cmd.exe
PID 1648 wrote to memory of 1336	1648	Validation updates.exe	cmd.exe
PID 1648 wrote to memory of 1376	1648	Validation updates.exe	Validation updates.exe
PID 1648 wrote to memory of 1376	1648	Validation updates.exe	Validation updates.exe
PID 1648 wrote to memory of 1376	1648	Validation updates.exe	Validation updates.exe
PID 1648 wrote to memory of 1376	1648	Validation updates.exe	Validation updates.exe
PID 1648 wrote to memory of 1376	1648	Validation updates.exe	Validation updates.exe
PID 1648 wrote to memory of 1376	1648	Validation updates.exe	Validation updates.exe
PID 1648 wrote to memory of 1376	1648	Validation updates.exe	Validation updates.exe
PID 1648 wrote to memory of 1376	1648	Validation updates.exe	Validation updates.exe
PID 1336 wrote to memory of 1976	1336	cmd.exe	schtasks.exe
PID 1336 wrote to memory of 1976	1336	cmd.exe	schtasks.exe
PID 1336 wrote to memory of 1976	1336	cmd.exe	schtasks.exe
PID 1336 wrote to memory of 1976	1336	cmd.exe	schtasks.exe
PID 1336 wrote to memory of 1976	1336	cmd.exe	schtasks.exe
PID 1336 wrote to memory of 1976	1336	cmd.exe	schtasks.exe
PID 1336 wrote to memory of 1976	1336	cmd.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\Validation updates.exe
"C:\Users\Admin\AppData\Local\Temp\Validation updates.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1648

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\c6cf093e677949ea9693c0ce3a724a8a.xml"
2⤵
- Suspicious use of WriteProcessMemory
PID:1336

C:\Windows\SysWOW64\schtasks.exe
schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\c6cf093e677949ea9693c0ce3a724a8a.xml"
3⤵
- Creates scheduled task(s)
PID:1976

C:\Users\Admin\AppData\Local\Temp\Validation updates.exe
"C:\Users\Admin\AppData\Local\Temp\Validation updates.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1376

Network

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

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\c6cf093e677949ea9693c0ce3a724a8a.xml
MD5
9313352a59e3b368ab4eb8173567c406

SHA1
fc776c28e3ae9bd5e68f25c2a4f6248126731370

SHA256
469d4994320f37196faca4de8ada85161a43dd42c9405b283bea5e4ea84c9a8d

SHA512
000f6edf387b4ea0f244003fad3f66be5eb1920012838ba3a19c3f2dcde973fce8450c8e556c22cc20f7a3a0980d735fb169ecfafd440993c9fe5b8875fc7462

Download Submit
memory/1336-3-0x0000000000000000-mapping.dmp

Download
memory/1376-5-0x000000000040188B-mapping.dmp

Download
memory/1376-10-0x0000000072CC0000-0x00000000733AE000-memory.dmp

Filesize
6.9MB

Download
memory/1376-11-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1376-12-0x00000000001E0000-0x0000000000216000-memory.dmp

Filesize
216KB

Download
memory/1376-15-0x0000000001262000-0x0000000001263000-memory.dmp

Filesize
4KB

Download
memory/1376-14-0x0000000001261000-0x0000000001262000-memory.dmp

Filesize
4KB

Download
memory/1376-16-0x0000000001263000-0x0000000001264000-memory.dmp

Filesize
4KB

Download
memory/1376-17-0x0000000001264000-0x0000000001265000-memory.dmp

Filesize
4KB

Download
memory/1648-2-0x0000000074D11000-0x0000000074D13000-memory.dmp

Filesize
8KB

Download
memory/1976-7-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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