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

Credentials

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

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
behavioral2/memory/576-7-0x00000000025D0000-0x00000000025D3000-memory.dmp	coreentity

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2744-12-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral2/memory/2744-13-0x000000000044C9EE-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/576-8-0x0000000007F10000-0x0000000007F63000-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 576 set thread context of 2744 576 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

512 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

ALIM-000900.exeALIM-000900.exe

pid process

576 ALIM-000900.exe
576 ALIM-000900.exe
576 ALIM-000900.exe
2744 ALIM-000900.exe
2744 ALIM-000900.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ALIM-000900.exeALIM-000900.exe

description pid process

Token: SeDebugPrivilege 576 ALIM-000900.exe
Token: SeDebugPrivilege 2744 ALIM-000900.exe

description	pid	process	target process
PID 576 set thread context of 2744	576	ALIM-000900.exe	ALIM-000900.exe

pid	process
512	schtasks.exe

pid	process
576	ALIM-000900.exe
576	ALIM-000900.exe
576	ALIM-000900.exe
2744	ALIM-000900.exe
2744	ALIM-000900.exe

description	pid	process
Token: SeDebugPrivilege	576	ALIM-000900.exe
Token: SeDebugPrivilege	2744	ALIM-000900.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

ALIM-000900.exeALIM-000900.exe

description	pid	process	target process
PID 576 wrote to memory of 512	576	ALIM-000900.exe	schtasks.exe
PID 576 wrote to memory of 512	576	ALIM-000900.exe	schtasks.exe
PID 576 wrote to memory of 512	576	ALIM-000900.exe	schtasks.exe
PID 576 wrote to memory of 2744	576	ALIM-000900.exe	ALIM-000900.exe
PID 576 wrote to memory of 2744	576	ALIM-000900.exe	ALIM-000900.exe
PID 576 wrote to memory of 2744	576	ALIM-000900.exe	ALIM-000900.exe
PID 576 wrote to memory of 2744	576	ALIM-000900.exe	ALIM-000900.exe
PID 576 wrote to memory of 2744	576	ALIM-000900.exe	ALIM-000900.exe
PID 576 wrote to memory of 2744	576	ALIM-000900.exe	ALIM-000900.exe
PID 576 wrote to memory of 2744	576	ALIM-000900.exe	ALIM-000900.exe
PID 576 wrote to memory of 2744	576	ALIM-000900.exe	ALIM-000900.exe
PID 2744 wrote to memory of 3928	2744	ALIM-000900.exe	netsh.exe
PID 2744 wrote to memory of 3928	2744	ALIM-000900.exe	netsh.exe
PID 2744 wrote to memory of 3928	2744	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:576

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uKQcpbyDOdPFGk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp64BB.tmp"
2⤵
- Creates scheduled task(s)
PID:512

C:\Users\Admin\AppData\Local\Temp\ALIM-000900.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2744

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:3928

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\Microsoft\CLR_v4.0_32\UsageLogs\ALIM-000900.exe.log
MD5
b4f7a6a57cb46d94b72410eb6a6d45a9

SHA1
69f3596ffa027202d391444b769ceea0ae14c5f7

SHA256
23994ebe221a48ea16ebad51ae0d4b47ccd415ae10581f9405e588d4f6c2523b

SHA512
be6da516e54c3a5b33ac2603137a2f8cf8445ff5961dd266faedf3627bae8979953d7ef305538df0151c609917a5b99bf5d023bdd32de50fd5c723950f90db5c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp64BB.tmp
MD5
5c5bd79304111e9160143647cfe22ac7

SHA1
0b4c071dfd40c9256053976679d30287bd58e56a

SHA256
cdf77ed49ee1a141bba0ec5ef5a4266f3753d7c45f1e01a0217a73ee23e65946

SHA512
e5fc512679a06ae97b9cd60e49659967ce8751b50f6090c19828de6e69081af61e416205cac23befef0b4fce61eb188d517fc92d9a7843f11a6dc1bc5c9ffb5d

Download Submit
memory/512-10-0x0000000000000000-mapping.dmp

Download
memory/576-9-0x0000000009A80000-0x0000000009A81000-memory.dmp

Filesize
4KB

Download
memory/576-3-0x0000000004B10000-0x0000000004B6D000-memory.dmp

Filesize
372KB

Download
memory/576-6-0x0000000007530000-0x0000000007531000-memory.dmp

Filesize
4KB

Download
memory/576-7-0x00000000025D0000-0x00000000025D3000-memory.dmp

Filesize
12KB

Download
memory/576-8-0x0000000007F10000-0x0000000007F63000-memory.dmp

Filesize
332KB

Download
memory/576-0-0x0000000073190000-0x000000007387E000-memory.dmp

Filesize
6.9MB

Download
memory/576-4-0x0000000007910000-0x0000000007911000-memory.dmp

Filesize
4KB

Download
memory/576-5-0x00000000075B0000-0x00000000075B1000-memory.dmp

Filesize
4KB

Download
memory/576-1-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2744-13-0x000000000044C9EE-mapping.dmp

Download
memory/2744-12-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2744-15-0x0000000073190000-0x000000007387E000-memory.dmp

Filesize
6.9MB

Download
memory/2744-20-0x0000000005680000-0x0000000005681000-memory.dmp

Filesize
4KB

Download
memory/2744-21-0x0000000005C30000-0x0000000005C31000-memory.dmp

Filesize
4KB

Download
memory/3928-22-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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