agenttesla | 34fc29ec3e0cf03857148f125024141af690ef27e224fc0cd5aa9a45aae7e1f4

General

Target

ALIM-000900.exe
Size

505KB
MD5

a0a0c7cd353271d7615dc543fe6905fe
SHA1

b89fc7ea6f14200ad1cd3988c884ce817e17fade
SHA256

34fc29ec3e0cf03857148f125024141af690ef27e224fc0cd5aa9a45aae7e1f4
SHA512

a1df6a7fcc9aa997ff4c9b125c0f899f2429f178893bfcac2001c44fb9965ebd0481498acf0e1eaebe46e01b2824b47cadd6491c65e403cc2b3915e8c1da2059

Score

10^/10

agenttesla coreentity keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.ionos.mx
Port:
587
Username:
lety@solar-pro.mx
Password:
lp475869

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/2036-4-0x00000000003A0000-0x00000000003A3000-memory.dmp	coreentity

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1892-8-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1892-9-0x000000000044C9EE-mapping.dmp	family_agenttesla
behavioral1/memory/1892-10-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1892-12-0x0000000000400000-0x0000000000452000-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/2036-5-0x00000000079B0000-0x0000000007A03000-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:

ALIM-000900.exe

description pid process target process

PID 2036 set thread context of 1892 2036 ALIM-000900.exe ALIM-000900.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

1848 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

ALIM-000900.exeALIM-000900.exe

pid process

2036 ALIM-000900.exe
2036 ALIM-000900.exe
2036 ALIM-000900.exe
1892 ALIM-000900.exe
1892 ALIM-000900.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ALIM-000900.exeALIM-000900.exe

description pid process

Token: SeDebugPrivilege 2036 ALIM-000900.exe
Token: SeDebugPrivilege 1892 ALIM-000900.exe

description	pid	process	target process
PID 2036 set thread context of 1892	2036	ALIM-000900.exe	ALIM-000900.exe

pid	process
1848	schtasks.exe

pid	process
2036	ALIM-000900.exe
2036	ALIM-000900.exe
2036	ALIM-000900.exe
1892	ALIM-000900.exe
1892	ALIM-000900.exe

description	pid	process
Token: SeDebugPrivilege	2036	ALIM-000900.exe
Token: SeDebugPrivilege	1892	ALIM-000900.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

ALIM-000900.exeALIM-000900.exe

description	pid	process	target process
PID 2036 wrote to memory of 1848	2036	ALIM-000900.exe	schtasks.exe
PID 2036 wrote to memory of 1848	2036	ALIM-000900.exe	schtasks.exe
PID 2036 wrote to memory of 1848	2036	ALIM-000900.exe	schtasks.exe
PID 2036 wrote to memory of 1848	2036	ALIM-000900.exe	schtasks.exe
PID 2036 wrote to memory of 1892	2036	ALIM-000900.exe	ALIM-000900.exe
PID 2036 wrote to memory of 1892	2036	ALIM-000900.exe	ALIM-000900.exe
PID 2036 wrote to memory of 1892	2036	ALIM-000900.exe	ALIM-000900.exe
PID 2036 wrote to memory of 1892	2036	ALIM-000900.exe	ALIM-000900.exe
PID 2036 wrote to memory of 1892	2036	ALIM-000900.exe	ALIM-000900.exe
PID 2036 wrote to memory of 1892	2036	ALIM-000900.exe	ALIM-000900.exe
PID 2036 wrote to memory of 1892	2036	ALIM-000900.exe	ALIM-000900.exe
PID 2036 wrote to memory of 1892	2036	ALIM-000900.exe	ALIM-000900.exe
PID 2036 wrote to memory of 1892	2036	ALIM-000900.exe	ALIM-000900.exe
PID 1892 wrote to memory of 1060	1892	ALIM-000900.exe	netsh.exe
PID 1892 wrote to memory of 1060	1892	ALIM-000900.exe	netsh.exe
PID 1892 wrote to memory of 1060	1892	ALIM-000900.exe	netsh.exe
PID 1892 wrote to memory of 1060	1892	ALIM-000900.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\ALIM-000900.exe
"C:\Users\Admin\AppData\Local\Temp\ALIM-000900.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2036

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uKQcpbyDOdPFGk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1A35.tmp"
2⤵
- Creates scheduled task(s)
PID:1848

C:\Users\Admin\AppData\Local\Temp\ALIM-000900.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1892

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1060

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\tmp1A35.tmp
MD5
8eee0983cbf07412577dc61ea915431c

SHA1
be0eb836e449d6c6a1709252575d5c814bcf82df

SHA256
d477b1a2756d0f3f465557c3e79b7d63081e070a6cf54adadd4cfa4499574805

SHA512
133cdf8bda17200d6636ab5647a884325dcdf4a23cb7e3751b6535c84e984299da4cc7f9afdb4afa50379bd40f1990e32d27db6dd0ed25f961ad9eb4d9859f53

Download Submit
memory/1060-18-0x0000000000000000-mapping.dmp

Download
memory/1848-6-0x0000000000000000-mapping.dmp

Download
memory/1892-10-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1892-8-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1892-9-0x000000000044C9EE-mapping.dmp

Download
memory/1892-12-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1892-15-0x0000000074EE0000-0x00000000755CE000-memory.dmp

Filesize
6.9MB

Download
memory/2036-5-0x00000000079B0000-0x0000000007A03000-memory.dmp

Filesize
332KB

Download
memory/2036-4-0x00000000003A0000-0x00000000003A3000-memory.dmp

Filesize
12KB

Download
memory/2036-3-0x0000000004170000-0x00000000041CD000-memory.dmp

Filesize
372KB

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

Filesize
6.9MB

Download
memory/2036-11-0x00000000008F0000-0x0000000000920000-memory.dmp

Filesize
192KB

Download
memory/2036-1-0x0000000000A70000-0x0000000000A71000-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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