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

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
behavioral1/memory/2036-11-0x0000000000330000-0x0000000000332000-memory.dmp	coreentity

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1848-17-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1848-18-0x000000000044CE2E-mapping.dmp	family_agenttesla
behavioral1/memory/1848-19-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1848-22-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

rezer0 1 IoCs

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

rezer0

Processes:

resource	yara_rule
behavioral1/memory/2036-12-0x00000000052D0000-0x0000000005323000-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 2036 set thread context of 1848 2036 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

648 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

0010065882100_06032020.exe

pid process

1848 0010065882100_06032020.exe
1848 0010065882100_06032020.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

0010065882100_06032020.exe0010065882100_06032020.exe

description pid process

Token: SeDebugPrivilege 2036 0010065882100_06032020.exe
Token: SeDebugPrivilege 1848 0010065882100_06032020.exe

description	pid	process	target process
PID 2036 set thread context of 1848	2036	0010065882100_06032020.exe	0010065882100_06032020.exe

pid	process
648	schtasks.exe

pid	process
1848	0010065882100_06032020.exe
1848	0010065882100_06032020.exe

description	pid	process
Token: SeDebugPrivilege	2036	0010065882100_06032020.exe
Token: SeDebugPrivilege	1848	0010065882100_06032020.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

0010065882100_06032020.exe0010065882100_06032020.exe

description	pid	process	target process
PID 2036 wrote to memory of 648	2036	0010065882100_06032020.exe	schtasks.exe
PID 2036 wrote to memory of 648	2036	0010065882100_06032020.exe	schtasks.exe
PID 2036 wrote to memory of 648	2036	0010065882100_06032020.exe	schtasks.exe
PID 2036 wrote to memory of 648	2036	0010065882100_06032020.exe	schtasks.exe
PID 2036 wrote to memory of 1848	2036	0010065882100_06032020.exe	0010065882100_06032020.exe
PID 2036 wrote to memory of 1848	2036	0010065882100_06032020.exe	0010065882100_06032020.exe
PID 2036 wrote to memory of 1848	2036	0010065882100_06032020.exe	0010065882100_06032020.exe
PID 2036 wrote to memory of 1848	2036	0010065882100_06032020.exe	0010065882100_06032020.exe
PID 2036 wrote to memory of 1848	2036	0010065882100_06032020.exe	0010065882100_06032020.exe
PID 2036 wrote to memory of 1848	2036	0010065882100_06032020.exe	0010065882100_06032020.exe
PID 2036 wrote to memory of 1848	2036	0010065882100_06032020.exe	0010065882100_06032020.exe
PID 2036 wrote to memory of 1848	2036	0010065882100_06032020.exe	0010065882100_06032020.exe
PID 2036 wrote to memory of 1848	2036	0010065882100_06032020.exe	0010065882100_06032020.exe
PID 1848 wrote to memory of 572	1848	0010065882100_06032020.exe	netsh.exe
PID 1848 wrote to memory of 572	1848	0010065882100_06032020.exe	netsh.exe
PID 1848 wrote to memory of 572	1848	0010065882100_06032020.exe	netsh.exe
PID 1848 wrote to memory of 572	1848	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 use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2036

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dzfQwRgR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1371.tmp"
2⤵
- Creates scheduled task(s)
PID:648

C:\Users\Admin\AppData\Local\Temp\0010065882100_06032020.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1848

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:572

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\tmp1371.tmp
MD5
9839353a43c0817e4dcd304d3559568c

SHA1
3ae5c3a13a7a8d38f32399d74879a1f5d46766f6

SHA256
63944f78b50fc352392ffa253effebbde762ad5e641b3f67aee522b074d69b88

SHA512
b7bd0c2cfefb3c2cdedf8645b9022e6a5c1f372082e872b5dce4c2b212ba6175c453bf0f31c390e87a4ea8d461a0cec40184c15c462d57cbafdf8cc22ba22d66

Download Submit
memory/572-27-0x0000000000000000-mapping.dmp

Download
memory/648-14-0x0000000000000000-mapping.dmp

Download
memory/1848-18-0x000000000044CE2E-mapping.dmp

Download
memory/1848-17-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1848-19-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1848-22-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1848-24-0x0000000074EE0000-0x00000000755CE000-memory.dmp

Filesize
6.9MB

Download
memory/2036-11-0x0000000000330000-0x0000000000332000-memory.dmp

Filesize
8KB

Download
memory/2036-12-0x00000000052D0000-0x0000000005323000-memory.dmp

Filesize
332KB

Download
memory/2036-4-0x0000000000610000-0x0000000000621000-memory.dmp

Filesize
68KB

Download
memory/2036-3-0x0000000002090000-0x00000000020ED000-memory.dmp

Filesize
372KB

Download
memory/2036-0-0x0000000074EE0000-0x00000000755CE000-memory.dmp

Filesize
6.9MB

Download
memory/2036-20-0x0000000000680000-0x00000000006B0000-memory.dmp

Filesize
192KB

Download
memory/2036-1-0x00000000008E0000-0x00000000008E1000-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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Downloads