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:
pm@unique-skill.com
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
behavioral2/memory/3692-8-0x00000000013A0000-0x00000000013D6000-memory.dmp	family_agenttesla
behavioral2/memory/3692-11-0x0000000000400000-0x000000000044C000-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

13 api.ipify.org
14 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Validation updates.exe

description pid process target process

PID 3508 set thread context of 3692 3508 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

768 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Validation updates.exe

pid process

3692 Validation updates.exe
3692 Validation updates.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

Validation updates.exeValidation updates.exe

pid process

4768 Validation updates.exe
3508 Validation updates.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Validation updates.exe

description pid process

Token: SeDebugPrivilege 3692 Validation updates.exe

flow	ioc
13	api.ipify.org
14	api.ipify.org

description	pid	process	target process
PID 3508 set thread context of 3692	3508	Validation updates.exe	Validation updates.exe

pid	process
768	schtasks.exe

pid	process
3692	Validation updates.exe
3692	Validation updates.exe

pid	process
4768	Validation updates.exe
3508	Validation updates.exe

description	pid	process
Token: SeDebugPrivilege	3692	Validation updates.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

Validation updates.exeValidation updates.execmd.exe

description	pid	process	target process
PID 4768 wrote to memory of 3460	4768	Validation updates.exe	cmd.exe
PID 4768 wrote to memory of 3460	4768	Validation updates.exe	cmd.exe
PID 4768 wrote to memory of 3460	4768	Validation updates.exe	cmd.exe
PID 4768 wrote to memory of 3788	4768	Validation updates.exe	Validation updates.exe
PID 4768 wrote to memory of 3788	4768	Validation updates.exe	Validation updates.exe
PID 4768 wrote to memory of 3788	4768	Validation updates.exe	Validation updates.exe
PID 4768 wrote to memory of 3508	4768	Validation updates.exe	Validation updates.exe
PID 4768 wrote to memory of 3508	4768	Validation updates.exe	Validation updates.exe
PID 4768 wrote to memory of 3508	4768	Validation updates.exe	Validation updates.exe
PID 3508 wrote to memory of 3692	3508	Validation updates.exe	Validation updates.exe
PID 3508 wrote to memory of 3692	3508	Validation updates.exe	Validation updates.exe
PID 3508 wrote to memory of 3692	3508	Validation updates.exe	Validation updates.exe
PID 3508 wrote to memory of 3692	3508	Validation updates.exe	Validation updates.exe
PID 3460 wrote to memory of 768	3460	cmd.exe	schtasks.exe
PID 3460 wrote to memory of 768	3460	cmd.exe	schtasks.exe
PID 3460 wrote to memory of 768	3460	cmd.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\Validation updates.exe
"C:\Users\Admin\AppData\Local\Temp\Validation updates.exe"
1⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4768

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:3460

C:\Windows\SysWOW64\schtasks.exe
schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\c6cf093e677949ea9693c0ce3a724a8a.xml"
3⤵
- Creates scheduled task(s)
PID:768

C:\Users\Admin\AppData\Local\Temp\Validation updates.exe
"C:\Users\Admin\AppData\Local\Temp\Validation updates.exe"
2⤵
PID:3788

C:\Users\Admin\AppData\Local\Temp\Validation updates.exe
"C:\Users\Admin\AppData\Local\Temp\Validation updates.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3508

C:\Users\Admin\AppData\Local\Temp\Validation updates.exe
"C:\Users\Admin\AppData\Local\Temp\Validation updates.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3692

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
aa2f6636e997aaa0b01fbc78b1dabe52

SHA1
fd462100fc91975dcbea8e361cf1eb8a70f6ad54

SHA256
d710b6eda22285684579d8b547e5be2f48883c4bf8db39993b00df30f9dc8723

SHA512
6540a3bbdbd3ab51679d5b32380e6c288bf6eba2777d067d40bfe65642ccafecd18028b102dfa46ac189d84282da2b6cb202a4f307587c5639f86834788f5104

Download Submit
memory/768-5-0x0000000000000000-mapping.dmp

Download
memory/3460-2-0x0000000000000000-mapping.dmp

Download
memory/3508-3-0x0000000000000000-mapping.dmp

Download
memory/3692-11-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3692-14-0x0000000005363000-0x0000000005364000-memory.dmp

Filesize
4KB

Download
memory/3692-8-0x00000000013A0000-0x00000000013D6000-memory.dmp

Filesize
216KB

Download
memory/3692-10-0x0000000005870000-0x0000000005871000-memory.dmp

Filesize
4KB

Download
memory/3692-4-0x000000000040188B-mapping.dmp

Download
memory/3692-12-0x0000000005360000-0x0000000005361000-memory.dmp

Filesize
4KB

Download
memory/3692-13-0x0000000005362000-0x0000000005363000-memory.dmp

Filesize
4KB

Download
memory/3692-6-0x0000000073410000-0x0000000073AFE000-memory.dmp

Filesize
6.9MB

Download
memory/3692-15-0x0000000005410000-0x0000000005411000-memory.dmp

Filesize
4KB

Download
memory/3692-16-0x0000000005364000-0x0000000005365000-memory.dmp

Filesize
4KB

Download
memory/3692-17-0x0000000006160000-0x0000000006161000-memory.dmp

Filesize
4KB

Download
memory/3692-18-0x00000000061F0000-0x00000000061F1000-memory.dmp

Filesize
4KB

Download
memory/3692-19-0x0000000006B70000-0x0000000006B71000-memory.dmp

Filesize
4KB

Download
memory/3692-20-0x0000000006B20000-0x0000000006B21000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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