agenttesla | 9511a30639a096cec9156a0cd3184875516a17956522108e4053bc2c76019c94

General

Target

UPDATED STATEMENT OF ACCOUNT.exe
Size

517KB
MD5

ea02ba05886fe6b37ce64156bb61f6f6
SHA1

032ee549892fcc1c9997a24219f9a152e32219e4
SHA256

008166254b8e5a8426887188cdf60bf1c213485d5bab7cb92fa9006835dfcb64
SHA512

1e2843f9e3536cfd197419e485b0dddd3836ef046501e6155af38f04930e84fe05a5eb0c3ff4f0150f3c20ab0236511904ab89f97e1e511f83b73ce3f4006d11

Score

10^/10

agenttesla collection coreentity keylogger persistence rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
sales@bluerangesa.net
Password:
bluerange192

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/756-56-0x0000000000830000-0x0000000000838000-memory.dmp	coreentity

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1944-63-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1944-64-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1944-65-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1944-66-0x000000000044C9EE-mapping.dmp	family_agenttesla
behavioral1/memory/1944-68-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1944-70-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

ReZer0 packer 1 IoCs

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

rezer0

Processes:

resource	yara_rule
behavioral1/memory/756-57-0x0000000004970000-0x00000000049C8000-memory.dmp	rezer0

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

UPDATED STATEMENT OF ACCOUNT.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	UPDATED STATEMENT OF ACCOUNT.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	UPDATED STATEMENT OF ACCOUNT.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	UPDATED STATEMENT OF ACCOUNT.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

UPDATED STATEMENT OF ACCOUNT.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\MJVkSQ = "C:\\Users\\Admin\\AppData\\Roaming\\MJVkSQ\\MJVkSQ.exe"	UPDATED STATEMENT OF ACCOUNT.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

UPDATED STATEMENT OF ACCOUNT.exe

description pid process target process

PID 756 set thread context of 1944 756 UPDATED STATEMENT OF ACCOUNT.exe UPDATED STATEMENT OF ACCOUNT.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

1396 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

UPDATED STATEMENT OF ACCOUNT.exe

pid process

1944 UPDATED STATEMENT OF ACCOUNT.exe
1944 UPDATED STATEMENT OF ACCOUNT.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

UPDATED STATEMENT OF ACCOUNT.exe

pid process

1944 UPDATED STATEMENT OF ACCOUNT.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

UPDATED STATEMENT OF ACCOUNT.exe

description pid process

Token: SeDebugPrivilege 1944 UPDATED STATEMENT OF ACCOUNT.exe

description	pid	process	target process
PID 756 set thread context of 1944	756	UPDATED STATEMENT OF ACCOUNT.exe	UPDATED STATEMENT OF ACCOUNT.exe

pid	process
1396	schtasks.exe

pid	process
1944	UPDATED STATEMENT OF ACCOUNT.exe
1944	UPDATED STATEMENT OF ACCOUNT.exe

pid	process
1944	UPDATED STATEMENT OF ACCOUNT.exe

description	pid	process
Token: SeDebugPrivilege	1944	UPDATED STATEMENT OF ACCOUNT.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

UPDATED STATEMENT OF ACCOUNT.exeUPDATED STATEMENT OF ACCOUNT.exe

outlook_office_path 1 IoCs

Processes:

UPDATED STATEMENT OF ACCOUNT.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	UPDATED STATEMENT OF ACCOUNT.exe

outlook_win_path 1 IoCs

Processes:

UPDATED STATEMENT OF ACCOUNT.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	UPDATED STATEMENT OF ACCOUNT.exe

C:\Users\Admin\AppData\Local\Temp\UPDATED STATEMENT OF ACCOUNT.exe
"C:\Users\Admin\AppData\Local\Temp\UPDATED STATEMENT OF ACCOUNT.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:756

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LgLCrxx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp170A.tmp"
2⤵
- Creates scheduled task(s)
PID:1396

C:\Users\Admin\AppData\Local\Temp\UPDATED STATEMENT OF ACCOUNT.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1944

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1076

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

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

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp170A.tmp
Filesize
1KB

MD5
001f8ab84ac07c8f8ec407c699eea87b

SHA1
9f9c25ea4c277754bb02e4a29c67b23f8b5db15e

SHA256
fe6f4cd9949c41e5279edcd403fc5a8ffbad6c21e65f187b002c2318b25fd173

SHA512
9ade53ae395b7da3efbe35d33a6d5fef096eb8f51240db35f60c776724bd90a0c4a1f709566f897d5d17ee5dba67ebed7b738d9f176769bb2cd6c2be71e441ec

Download Submit
memory/756-55-0x00000000763E1000-0x00000000763E3000-memory.dmp

Filesize
8KB

Download
memory/756-56-0x0000000000830000-0x0000000000838000-memory.dmp

Filesize
32KB

Download
memory/756-57-0x0000000004970000-0x00000000049C8000-memory.dmp

Filesize
352KB

Download
memory/756-54-0x0000000000860000-0x00000000008E8000-memory.dmp

Filesize
544KB

Download
memory/1076-72-0x0000000000000000-mapping.dmp

Download
memory/1396-58-0x0000000000000000-mapping.dmp

Download
memory/1944-60-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1944-63-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1944-64-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1944-65-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1944-66-0x000000000044C9EE-mapping.dmp

Download
memory/1944-68-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1944-70-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1944-61-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download

description	pid	process	target process
PID 756 wrote to memory of 1396	756	UPDATED STATEMENT OF ACCOUNT.exe	schtasks.exe
PID 756 wrote to memory of 1396	756	UPDATED STATEMENT OF ACCOUNT.exe	schtasks.exe
PID 756 wrote to memory of 1396	756	UPDATED STATEMENT OF ACCOUNT.exe	schtasks.exe
PID 756 wrote to memory of 1396	756	UPDATED STATEMENT OF ACCOUNT.exe	schtasks.exe
PID 756 wrote to memory of 1944	756	UPDATED STATEMENT OF ACCOUNT.exe	UPDATED STATEMENT OF ACCOUNT.exe
PID 756 wrote to memory of 1944	756	UPDATED STATEMENT OF ACCOUNT.exe	UPDATED STATEMENT OF ACCOUNT.exe
PID 756 wrote to memory of 1944	756	UPDATED STATEMENT OF ACCOUNT.exe	UPDATED STATEMENT OF ACCOUNT.exe
PID 756 wrote to memory of 1944	756	UPDATED STATEMENT OF ACCOUNT.exe	UPDATED STATEMENT OF ACCOUNT.exe
PID 756 wrote to memory of 1944	756	UPDATED STATEMENT OF ACCOUNT.exe	UPDATED STATEMENT OF ACCOUNT.exe
PID 756 wrote to memory of 1944	756	UPDATED STATEMENT OF ACCOUNT.exe	UPDATED STATEMENT OF ACCOUNT.exe
PID 756 wrote to memory of 1944	756	UPDATED STATEMENT OF ACCOUNT.exe	UPDATED STATEMENT OF ACCOUNT.exe
PID 756 wrote to memory of 1944	756	UPDATED STATEMENT OF ACCOUNT.exe	UPDATED STATEMENT OF ACCOUNT.exe
PID 756 wrote to memory of 1944	756	UPDATED STATEMENT OF ACCOUNT.exe	UPDATED STATEMENT OF ACCOUNT.exe
PID 756 wrote to memory of 1944	756	UPDATED STATEMENT OF ACCOUNT.exe	UPDATED STATEMENT OF ACCOUNT.exe
PID 756 wrote to memory of 1944	756	UPDATED STATEMENT OF ACCOUNT.exe	UPDATED STATEMENT OF ACCOUNT.exe
PID 756 wrote to memory of 1944	756	UPDATED STATEMENT OF ACCOUNT.exe	UPDATED STATEMENT OF ACCOUNT.exe
PID 1944 wrote to memory of 1076	1944	UPDATED STATEMENT OF ACCOUNT.exe	netsh.exe
PID 1944 wrote to memory of 1076	1944	UPDATED STATEMENT OF ACCOUNT.exe	netsh.exe
PID 1944 wrote to memory of 1076	1944	UPDATED STATEMENT OF ACCOUNT.exe	netsh.exe
PID 1944 wrote to memory of 1076	1944	UPDATED STATEMENT OF ACCOUNT.exe	netsh.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads