agenttesla | 756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b

General

Target

756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe
Size

537KB
MD5

fa548af33ac073be63464186b33198aa
SHA1

6a49f366a9e962fca0f33d4fbd9a7bab9b076306
SHA256

756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b
SHA512

47378048c422c793cffb091c782739ae34fd39788820c73c49215a6e859768c9e89d0e73f7aa7284ad5f6254add180d57c95b2a8a0b72b5f60524663eac7b962

Score

10^/10

agenttesla coreentity evasion keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.tolipgoldenplaza.com
Port:
587
Username:
[email protected]
Password:
Golden@#$2019

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.tolipgoldenplaza.com
Port:
587
Username:
[email protected]
Password:
Golden@#$2019

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/4024-120-0x0000000004E00000-0x0000000004E02000-memory.dmp	coreentity

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2868-125-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral2/memory/2868-126-0x000000000044C97E-mapping.dmp	family_agenttesla

ReZer0 packer 1 IoCs

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

rezer0

Processes:

resource	yara_rule
behavioral2/memory/4024-122-0x0000000006C50000-0x0000000006CA3000-memory.dmp	rezer0

Disables Task Manager via registry modification
evasion

Drops file in Drivers directory 1 IoCs

Processes:

756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

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 stealer

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 stealer

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 1 IoCs

Processes:

756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe

description	pid	process	target process
PID 4024 set thread context of 2868	4024	756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe	756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.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

2412 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

2620 REG.exe

pid	process
2412	schtasks.exe

pid	process
2620	REG.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe

pid	process
4024	756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe
2868	756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe
2868	756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe

description	pid	process
Token: SeDebugPrivilege	4024	756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe
Token: SeDebugPrivilege	2868	756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe

description	pid	process	target process
PID 4024 wrote to memory of 2412	4024	756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe	schtasks.exe
PID 4024 wrote to memory of 2412	4024	756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe	schtasks.exe
PID 4024 wrote to memory of 2412	4024	756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe	schtasks.exe
PID 4024 wrote to memory of 2868	4024	756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe	756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe
PID 4024 wrote to memory of 2868	4024	756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe	756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe
PID 4024 wrote to memory of 2868	4024	756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe	756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe
PID 4024 wrote to memory of 2868	4024	756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe	756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe
PID 4024 wrote to memory of 2868	4024	756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe	756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe
PID 4024 wrote to memory of 2868	4024	756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe	756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe
PID 4024 wrote to memory of 2868	4024	756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe	756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe
PID 4024 wrote to memory of 2868	4024	756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe	756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe
PID 2868 wrote to memory of 2620	2868	756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe	REG.exe
PID 2868 wrote to memory of 2620	2868	756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe	REG.exe
PID 2868 wrote to memory of 2620	2868	756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe	REG.exe
PID 2868 wrote to memory of 732	2868	756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe	netsh.exe
PID 2868 wrote to memory of 732	2868	756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe	netsh.exe
PID 2868 wrote to memory of 732	2868	756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe
"C:\Users\Admin\AppData\Local\Temp\756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4024

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IFaysgfEOJsfZd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2521.tmp"
2⤵
- Creates scheduled task(s)
PID:2412

C:\Users\Admin\AppData\Local\Temp\756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2868

C:\Windows\SysWOW64\REG.exe
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
3⤵
- Modifies registry key
PID:2620

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:732

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

Modify Registry

1

T1112

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\tmp2521.tmp
MD5
978815f2a5428138446d10a0ec753613

SHA1
76b64cb97c36231ca0fe40b2d653239d635d5239

SHA256
5dc7a8b2414df8975f6708d8f31819f1800cabb1e1021813aab4ca4f59be8cec

SHA512
7f11a3ef6f559cc2a1a40d15c3acdb9a386651e02932ed79fc2482c67f11e169304ccd9c6b92258ffc07067e02559c204b50b983ae50b0aecad43e21aaa3b80a

Download Submit
memory/732-135-0x0000000000000000-mapping.dmp

Download
memory/2412-123-0x0000000000000000-mapping.dmp

Download
memory/2620-134-0x0000000000000000-mapping.dmp

Download
memory/2868-131-0x0000000004FA0000-0x0000000004FA1000-memory.dmp

Filesize
4KB

Download
memory/2868-133-0x0000000004EE0000-0x0000000004EE1000-memory.dmp

Filesize
4KB

Download
memory/2868-138-0x0000000004EE1000-0x0000000004EE2000-memory.dmp

Filesize
4KB

Download
memory/2868-132-0x0000000005A60000-0x0000000005A61000-memory.dmp

Filesize
4KB

Download
memory/2868-126-0x000000000044C97E-mapping.dmp

Download
memory/2868-125-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4024-118-0x0000000004A80000-0x0000000004A81000-memory.dmp

Filesize
4KB

Download
memory/4024-119-0x0000000006AB0000-0x0000000006AB1000-memory.dmp

Filesize
4KB

Download
memory/4024-114-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/4024-122-0x0000000006C50000-0x0000000006CA3000-memory.dmp

Filesize
332KB

Download
memory/4024-120-0x0000000004E00000-0x0000000004E02000-memory.dmp

Filesize
8KB

Download
memory/4024-117-0x0000000004AE0000-0x0000000004AE1000-memory.dmp

Filesize
4KB

Download
memory/4024-116-0x0000000004F40000-0x0000000004F41000-memory.dmp

Filesize
4KB

Download
memory/4024-121-0x0000000004A40000-0x0000000004F3E000-memory.dmp

Filesize
5.0MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads