agenttesla | fb34395325382df6f26318709395c22fe689e5c5632d8280e12d2062e813a259

Analysis

max time kernel
155s
max time network
183s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 12:54

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General

Target

SecuriteInfo.com.Win32.PWSX-gen.18352.13428.exe
Size

1.1MB
MD5

b5c5ac3050b7efb7d4767b5073bd8046
SHA1

ceade92f348eafaed58f55694b1713d256bb02b6
SHA256

fb34395325382df6f26318709395c22fe689e5c5632d8280e12d2062e813a259
SHA512

893e13119fb56236088765dff0b649ae8b52b2ba33db643a13b8acb47c1076b31667b539d33f9761a1b1a1b9a02106fd2f1fdcbe9ed9fa10b4e3777903adfdeb
SSDEEP

24576:2zw2Lgh/awByLHuptQlrdf81SNtmVWvEdRat/Pcb2Dz:2zw2Eh/dByLOH8dfozVQEd8t8K

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.mavicivata.com
Port:
587
Username:
[email protected]
Password:
5Egb6R1NW
Email To:
[email protected]

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:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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

90 api.ipify.org
91 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

SecuriteInfo.com.Win32.PWSX-gen.18352.13428.exe

description pid process target process

PID 4612 set thread context of 1332 4612 SecuriteInfo.com.Win32.PWSX-gen.18352.13428.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

RegSvcs.exe

pid process

1332 RegSvcs.exe
1332 RegSvcs.exe
1332 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 1332 RegSvcs.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegSvcs.exe

pid process

1332 RegSvcs.exe

flow	ioc
90	api.ipify.org
91	api.ipify.org

description	pid	process	target process
PID 4612 set thread context of 1332	4612	SecuriteInfo.com.Win32.PWSX-gen.18352.13428.exe	RegSvcs.exe

pid	process
1332	RegSvcs.exe
1332	RegSvcs.exe
1332	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1332	RegSvcs.exe

pid	process
1332	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

SecuriteInfo.com.Win32.PWSX-gen.18352.13428.exe

description	pid	process	target process
PID 4612 wrote to memory of 1332	4612	SecuriteInfo.com.Win32.PWSX-gen.18352.13428.exe	RegSvcs.exe
PID 4612 wrote to memory of 1332	4612	SecuriteInfo.com.Win32.PWSX-gen.18352.13428.exe	RegSvcs.exe
PID 4612 wrote to memory of 1332	4612	SecuriteInfo.com.Win32.PWSX-gen.18352.13428.exe	RegSvcs.exe
PID 4612 wrote to memory of 1332	4612	SecuriteInfo.com.Win32.PWSX-gen.18352.13428.exe	RegSvcs.exe
PID 4612 wrote to memory of 1332	4612	SecuriteInfo.com.Win32.PWSX-gen.18352.13428.exe	RegSvcs.exe
PID 4612 wrote to memory of 1332	4612	SecuriteInfo.com.Win32.PWSX-gen.18352.13428.exe	RegSvcs.exe
PID 4612 wrote to memory of 1332	4612	SecuriteInfo.com.Win32.PWSX-gen.18352.13428.exe	RegSvcs.exe
PID 4612 wrote to memory of 1332	4612	SecuriteInfo.com.Win32.PWSX-gen.18352.13428.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.18352.13428.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.18352.13428.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4612

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1332

Network

MITRE ATT&CK Enterprise v6

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/1332-137-0x0000000000000000-mapping.dmp

Download
memory/1332-138-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1332-139-0x0000000006050000-0x00000000060B6000-memory.dmp

Filesize
408KB

Download
memory/1332-140-0x0000000006A20000-0x0000000006A70000-memory.dmp

Filesize
320KB

Download
memory/4612-132-0x0000000000D00000-0x0000000000E20000-memory.dmp

Filesize
1.1MB

Download
memory/4612-133-0x0000000005DF0000-0x0000000006394000-memory.dmp

Filesize
5.6MB

Download
memory/4612-134-0x0000000005840000-0x00000000058D2000-memory.dmp

Filesize
584KB

Download
memory/4612-135-0x0000000005940000-0x000000000594A000-memory.dmp

Filesize
40KB

Download
memory/4612-136-0x00000000092C0000-0x000000000935C000-memory.dmp

Filesize
624KB

Download