agenttesla | 1afe857d1b5f2c0ff48ebbd2f32abf11f9b310416b1273e77adc7ee37f001ff8

Analysis

max time kernel
141s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
07-01-2024 18:26

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General

Target

Samples 1/3c36a35096a0e4ad330d8ae5953d844db3af5d0fa1780782a6a1adf32550fda5.exe
Size

298KB
MD5

eb19ddb285085033d7b220c1feedb275
SHA1

ac869d17200d9bab4b0006de63aa73c099d4c4f1
SHA256

3c36a35096a0e4ad330d8ae5953d844db3af5d0fa1780782a6a1adf32550fda5
SHA512

2a75477909d93b7ff32c82a82d02811e762d163b51389d66cecd121af6becf568f0419ef1540b0c73853551cce4090ed5f0e9cbeac44716d983a93fa1602b280
SSDEEP

6144:HVlCXpK0gtQfDFf8834rj1MJ6/57r7q5OePseHiE3Vw9JZNE:1lCXpH7J883wZu6/lfq5OeFByJPE

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://peruglobo.com
Port:
21
Username:
[email protected]
Password:
YSw&oCV&c23w

Signatures

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

CasPol.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe
Key opened	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe
Key opened	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

17 api.ipify.org
18 api.ipify.org

flow	ioc
17	api.ipify.org
18	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

3c36a35096a0e4ad330d8ae5953d844db3af5d0fa1780782a6a1adf32550fda5.exe

description	pid	process	target process
PID 4900 set thread context of 3924	4900	3c36a35096a0e4ad330d8ae5953d844db3af5d0fa1780782a6a1adf32550fda5.exe	CasPol.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

CasPol.exe

pid process

3924 CasPol.exe
3924 CasPol.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

CasPol.exe

description pid process

Token: SeDebugPrivilege 3924 CasPol.exe

pid	process
3924	CasPol.exe
3924	CasPol.exe

description	pid	process
Token: SeDebugPrivilege	3924	CasPol.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

3c36a35096a0e4ad330d8ae5953d844db3af5d0fa1780782a6a1adf32550fda5.exe

description	pid	process	target process
PID 4900 wrote to memory of 3924	4900	3c36a35096a0e4ad330d8ae5953d844db3af5d0fa1780782a6a1adf32550fda5.exe	CasPol.exe
PID 4900 wrote to memory of 3924	4900	3c36a35096a0e4ad330d8ae5953d844db3af5d0fa1780782a6a1adf32550fda5.exe	CasPol.exe
PID 4900 wrote to memory of 3924	4900	3c36a35096a0e4ad330d8ae5953d844db3af5d0fa1780782a6a1adf32550fda5.exe	CasPol.exe
PID 4900 wrote to memory of 3924	4900	3c36a35096a0e4ad330d8ae5953d844db3af5d0fa1780782a6a1adf32550fda5.exe	CasPol.exe
PID 4900 wrote to memory of 3924	4900	3c36a35096a0e4ad330d8ae5953d844db3af5d0fa1780782a6a1adf32550fda5.exe	CasPol.exe
PID 4900 wrote to memory of 3924	4900	3c36a35096a0e4ad330d8ae5953d844db3af5d0fa1780782a6a1adf32550fda5.exe	CasPol.exe
PID 4900 wrote to memory of 3924	4900	3c36a35096a0e4ad330d8ae5953d844db3af5d0fa1780782a6a1adf32550fda5.exe	CasPol.exe
PID 4900 wrote to memory of 3924	4900	3c36a35096a0e4ad330d8ae5953d844db3af5d0fa1780782a6a1adf32550fda5.exe	CasPol.exe

outlook_office_path 1 IoCs

Processes:

CasPol.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe

outlook_win_path 1 IoCs

Processes:

CasPol.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe

C:\Users\Admin\AppData\Local\Temp\Samples 1\3c36a35096a0e4ad330d8ae5953d844db3af5d0fa1780782a6a1adf32550fda5.exe
"C:\Users\Admin\AppData\Local\Temp\Samples 1\3c36a35096a0e4ad330d8ae5953d844db3af5d0fa1780782a6a1adf32550fda5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4900

C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3924

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3924-13-0x0000000006CE0000-0x0000000006D30000-memory.dmp

Filesize
320KB

Download
memory/3924-12-0x0000000005650000-0x00000000056B6000-memory.dmp

Filesize
408KB

Download
memory/3924-9-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/3924-11-0x0000000005710000-0x0000000005720000-memory.dmp

Filesize
64KB

Download
memory/3924-17-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/3924-16-0x0000000006D80000-0x0000000006D8A000-memory.dmp

Filesize
40KB

Download
memory/3924-7-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3924-15-0x0000000006DD0000-0x0000000006E62000-memory.dmp

Filesize
584KB

Download
memory/3924-18-0x0000000005710000-0x0000000005720000-memory.dmp

Filesize
64KB

Download
memory/3924-14-0x0000000006F00000-0x00000000070C2000-memory.dmp

Filesize
1.8MB

Download
memory/4900-6-0x00000000052C0000-0x00000000052DA000-memory.dmp

Filesize
104KB

Download
memory/4900-3-0x0000000005240000-0x0000000005250000-memory.dmp

Filesize
64KB

Download
memory/4900-0-0x0000000000770000-0x00000000007BE000-memory.dmp

Filesize
312KB

Download
memory/4900-2-0x00000000051A0000-0x000000000523C000-memory.dmp

Filesize
624KB

Download
memory/4900-5-0x0000000005800000-0x0000000005DA4000-memory.dmp

Filesize
5.6MB

Download
memory/4900-1-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/4900-4-0x0000000005120000-0x0000000005166000-memory.dmp

Filesize
280KB

Download
memory/4900-10-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download