agenttesla | 62998a22c3893a352373f89208ac51800b2c78d7c174a63208b06448a46ebf88

General

Target

0010065882100_06032020.exe
Size

533KB
MD5

4f6ceaa76a6f89a8318ffad391305490
SHA1

7f6a8aed357fa6722ee236e713512a72608fc6b6
SHA256

62998a22c3893a352373f89208ac51800b2c78d7c174a63208b06448a46ebf88
SHA512

a075f96419afc88d35c2fd10f5e5c2c27bedb17a2a1bdf616f2be5f425177a86535108714d1a668a3acf30e0f1c22c5c5471820b537011e4822f4a033064f606

Score

10^/10

agenttesla coreentity keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.ductoslimpios.com.mx
Port:
587
Username:
ventas@ductoslimpios.com.mx
Password:
Nhost+321

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.ductoslimpios.com.mx
Port:
587
Username:
ventas@ductoslimpios.com.mx
Password:
Nhost+321

Signatures

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

CoreEntity .NET Packer 1 IoCs

A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

coreentity

Processes:

resource	yara_rule
behavioral2/memory/1400-9-0x0000000005600000-0x0000000005602000-memory.dmp	coreentity

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/896-14-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral2/memory/896-15-0x000000000044CE2E-mapping.dmp	family_agenttesla

rezer0 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

Processes:

resource	yara_rule
behavioral2/memory/1400-10-0x0000000005A40000-0x0000000005A93000-memory.dmp	rezer0

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
Suspicious use of SetThreadContext 1 IoCs

Processes:

0010065882100_06032020.exe

description pid process target process

PID 1400 set thread context of 896 1400 0010065882100_06032020.exe 0010065882100_06032020.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

1324 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

0010065882100_06032020.exe0010065882100_06032020.exe

pid process

1400 0010065882100_06032020.exe
896 0010065882100_06032020.exe
896 0010065882100_06032020.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

0010065882100_06032020.exe0010065882100_06032020.exe

description pid process

Token: SeDebugPrivilege 1400 0010065882100_06032020.exe
Token: SeDebugPrivilege 896 0010065882100_06032020.exe

description	pid	process	target process
PID 1400 set thread context of 896	1400	0010065882100_06032020.exe	0010065882100_06032020.exe

pid	process
1324	schtasks.exe

pid	process
1400	0010065882100_06032020.exe
896	0010065882100_06032020.exe
896	0010065882100_06032020.exe

description	pid	process
Token: SeDebugPrivilege	1400	0010065882100_06032020.exe
Token: SeDebugPrivilege	896	0010065882100_06032020.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

0010065882100_06032020.exe0010065882100_06032020.exe

description	pid	process	target process
PID 1400 wrote to memory of 1324	1400	0010065882100_06032020.exe	schtasks.exe
PID 1400 wrote to memory of 1324	1400	0010065882100_06032020.exe	schtasks.exe
PID 1400 wrote to memory of 1324	1400	0010065882100_06032020.exe	schtasks.exe
PID 1400 wrote to memory of 896	1400	0010065882100_06032020.exe	0010065882100_06032020.exe
PID 1400 wrote to memory of 896	1400	0010065882100_06032020.exe	0010065882100_06032020.exe
PID 1400 wrote to memory of 896	1400	0010065882100_06032020.exe	0010065882100_06032020.exe
PID 1400 wrote to memory of 896	1400	0010065882100_06032020.exe	0010065882100_06032020.exe
PID 1400 wrote to memory of 896	1400	0010065882100_06032020.exe	0010065882100_06032020.exe
PID 1400 wrote to memory of 896	1400	0010065882100_06032020.exe	0010065882100_06032020.exe
PID 1400 wrote to memory of 896	1400	0010065882100_06032020.exe	0010065882100_06032020.exe
PID 1400 wrote to memory of 896	1400	0010065882100_06032020.exe	0010065882100_06032020.exe
PID 896 wrote to memory of 2932	896	0010065882100_06032020.exe	netsh.exe
PID 896 wrote to memory of 2932	896	0010065882100_06032020.exe	netsh.exe
PID 896 wrote to memory of 2932	896	0010065882100_06032020.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\0010065882100_06032020.exe
"C:\Users\Admin\AppData\Local\Temp\0010065882100_06032020.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1400

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dzfQwRgR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA5BB.tmp"
2⤵
- Creates scheduled task(s)
PID:1324

C:\Users\Admin\AppData\Local\Temp\0010065882100_06032020.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:896

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:2932

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\tmpA5BB.tmp
MD5
f551e6e1da7de99fc951c7ff498fe3f0

SHA1
86fbd874addaab813bbc6629a3b667dab9c51e75

SHA256
60eaf69364146ccdb00c62df13aa5407fcb33ecf22759cfe5f7463914e428d3c

SHA512
7d495a0e158c189247c0785c5bdd5f7a5ebced9f47dbd2a098bfb1080c884f01ec7bd4dfce30f4e6c1b1752b4367457459c0d4cd6783fe3edf674323a68896fb

Download Submit
memory/896-22-0x0000000006280000-0x0000000006281000-memory.dmp

Filesize
4KB

Download
memory/896-21-0x00000000057C0000-0x00000000057C1000-memory.dmp

Filesize
4KB

Download
memory/896-16-0x0000000073550000-0x0000000073C3E000-memory.dmp

Filesize
6.9MB

Download
memory/896-15-0x000000000044CE2E-mapping.dmp

Download
memory/896-14-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1324-12-0x0000000000000000-mapping.dmp

Download
memory/1400-7-0x0000000009EF0000-0x0000000009EF1000-memory.dmp

Filesize
4KB

Download
memory/1400-11-0x0000000005B40000-0x0000000005B41000-memory.dmp

Filesize
4KB

Download
memory/1400-10-0x0000000005A40000-0x0000000005A93000-memory.dmp

Filesize
332KB

Download
memory/1400-9-0x0000000005600000-0x0000000005602000-memory.dmp

Filesize
8KB

Download
memory/1400-8-0x00000000055D0000-0x00000000055D1000-memory.dmp

Filesize
4KB

Download
memory/1400-0-0x0000000073550000-0x0000000073C3E000-memory.dmp

Filesize
6.9MB

Download
memory/1400-4-0x0000000009950000-0x0000000009951000-memory.dmp

Filesize
4KB

Download
memory/1400-3-0x0000000005450000-0x00000000054AD000-memory.dmp

Filesize
372KB

Download
memory/1400-1-0x0000000000B30000-0x0000000000B31000-memory.dmp

Filesize
4KB

Download
memory/2932-23-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads