agenttesla | 18fcb8604dc88c010d786be917f618a461876f5db6f80f1f8a64bc3b8fe48a98

Resubmissions

24-07-2023 06:32

230724-haylwaag65 10

16-07-2023 18:15

230716-wwbacshb7z 10

Analysis

max time kernel
117s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
24-07-2023 06:32

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General

Target

20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe
Size

872KB
MD5

cb55913897674cdaf13edb11d97d2425
SHA1

780496e20b9b74ac0e17caa982ec7a73410fe54e
SHA256

20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d
SHA512

aa230dc3134e5b7e7bd4b275cb6ad6f71ff3ab16161b8ddfcaa45c28e37914228580dd6dc30415801d18fd19f1e7a96b7f8723f0d216e352c1385537e3b26003
SSDEEP

12288:cTWVcMpDPv1q9I6/kldSCGDyaod+ik4g8y3SoDSXL8d8TZnIZZpYb/WTzVP/ZlBJ:cIrbvOPW2rEloDe/IZie9nZl+

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.corroshield.co.id
Port:
587
Username:
accounting@corroshield.co.id
Password:
sulastri2011

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla payload 1 IoCs

Processes:

resource	yara_rule
behavioral22/memory/2496-140-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

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
T1552.001
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
T1552.001
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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe
Key opened	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe
Key opened	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe

description	pid	process	target process
PID 4620 set thread context of 2496	4620	20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe	20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe

pid	process
4620	20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe
2496	20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe
2496	20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe

pid process

2496 20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe

pid	process
2496	20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe

description	pid	process
Token: SeDebugPrivilege	4620	20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe
Token: SeDebugPrivilege	2496	20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe

description	pid	process	target process
PID 4620 wrote to memory of 2496	4620	20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe	20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe
PID 4620 wrote to memory of 2496	4620	20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe	20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe
PID 4620 wrote to memory of 2496	4620	20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe	20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe
PID 4620 wrote to memory of 2496	4620	20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe	20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe
PID 4620 wrote to memory of 2496	4620	20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe	20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe
PID 4620 wrote to memory of 2496	4620	20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe	20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe
PID 4620 wrote to memory of 2496	4620	20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe	20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe
PID 4620 wrote to memory of 2496	4620	20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe	20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe

outlook_office_path 1 IoCs

Processes:

20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe

outlook_win_path 1 IoCs

Processes:

20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe

C:\Users\Admin\AppData\Local\Temp\20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe
"C:\Users\Admin\AppData\Local\Temp\20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4620

C:\Users\Admin\AppData\Local\Temp\20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2496

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe.log
Filesize
507B

MD5
ab4c71d3ff6255edd4e5c1e09540f49e

SHA1
22e06bf4e258741b5df918061871cba998c50cea

SHA256
1690fec628f775dd3c3385b800eed126b37978ef2ffd592b024052724caafb5a

SHA512
8fa7d0045796e6cda7c28e2b9a690ef550619828c1b5d0ebf8e8367aff4bf4d9f63121e5b4f199d30cb8006eb584c6767f4c59150749b8256dab9dd0ebd9f1af

Download Submit
memory/2496-146-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/2496-147-0x0000000005170000-0x0000000005180000-memory.dmp

Filesize
64KB

Download
memory/2496-144-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/2496-145-0x0000000005170000-0x0000000005180000-memory.dmp

Filesize
64KB

Download
memory/2496-151-0x0000000006890000-0x000000000689A000-memory.dmp

Filesize
40KB

Download
memory/2496-150-0x0000000005170000-0x0000000005180000-memory.dmp

Filesize
64KB

Download
memory/2496-140-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2496-149-0x00000000064B0000-0x0000000006500000-memory.dmp

Filesize
320KB

Download
memory/2496-152-0x0000000005170000-0x0000000005180000-memory.dmp

Filesize
64KB

Download
memory/2496-148-0x0000000005F30000-0x0000000005F96000-memory.dmp

Filesize
408KB

Download
memory/4620-139-0x00000000085E0000-0x0000000008B84000-memory.dmp

Filesize
5.6MB

Download
memory/4620-133-0x0000000000A40000-0x0000000000B20000-memory.dmp

Filesize
896KB

Download
memory/4620-137-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/4620-136-0x0000000007940000-0x00000000079D2000-memory.dmp

Filesize
584KB

Download
memory/4620-134-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/4620-135-0x00000000078A0000-0x000000000793C000-memory.dmp

Filesize
624KB

Download
memory/4620-138-0x0000000007A40000-0x0000000007A50000-memory.dmp

Filesize
64KB

Download
memory/4620-143-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download