agenttesla | 01b10e69f2bf67fdd929c4cb584dd248a71ad447eb460787f9e2ba34129ac4c3

Resubmissions

27/12/2022, 14:34

221227-rxqn8afa54 10

27/12/2022, 14:34

221227-rxfh9afa52 10

25/12/2022, 11:46

221225-nxcwksee8w 10

Analysis

max time kernel
134s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
27/12/2022, 14:34

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General

Target

epTZLp5PyVs2lsz.exe
Size

1.0MB
MD5

e74df11dc99580800c2ab75798fd0e25
SHA1

2b7914bd316d5d22a122d0263acca82e4152532b
SHA256

54080957647575cffb4a2575baac7edf65a4a8d3faac7b133246bae3a1bdb3b9
SHA512

962cf59714314e2f71c9fc45dc9c5940ed678ce25e6a6c33da29f15bc6893e6e0850af25533a6cf067fcfd6d9087de676a710d5a83db18db5f065fe024afe604
SSDEEP

24576:5LZLn1GvvokU/em1X4QaZDQi3/NMSwW8NlK:5tLnU3DU/d9YZDQQNiZzK

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
host39.registrar-servers.com
Port:
587
Username:
[email protected]
Password:
payme nt12345

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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\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.

flow	ioc
33	api.ipify.org
34	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2228 set thread context of 4500	2228	epTZLp5PyVs2lsz.exe	88

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2228	epTZLp5PyVs2lsz.exe
4500	RegSvcs.exe
4500	RegSvcs.exe
4500	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2228	epTZLp5PyVs2lsz.exe
Token: SeDebugPrivilege	4500	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 4500	2228	epTZLp5PyVs2lsz.exe	88
PID 2228 wrote to memory of 4500	2228	epTZLp5PyVs2lsz.exe	88
PID 2228 wrote to memory of 4500	2228	epTZLp5PyVs2lsz.exe	88
PID 2228 wrote to memory of 4500	2228	epTZLp5PyVs2lsz.exe	88
PID 2228 wrote to memory of 4500	2228	epTZLp5PyVs2lsz.exe	88
PID 2228 wrote to memory of 4500	2228	epTZLp5PyVs2lsz.exe	88
PID 2228 wrote to memory of 4500	2228	epTZLp5PyVs2lsz.exe	88
PID 2228 wrote to memory of 4500	2228	epTZLp5PyVs2lsz.exe	88

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\epTZLp5PyVs2lsz.exe
"C:\Users\Admin\AppData\Local\Temp\epTZLp5PyVs2lsz.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4500

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/2228-132-0x0000000000FD0000-0x00000000010DC000-memory.dmp

Filesize
1.0MB

Download
memory/2228-133-0x00000000060C0000-0x0000000006664000-memory.dmp

Filesize
5.6MB

Download
memory/2228-134-0x0000000005B10000-0x0000000005BA2000-memory.dmp

Filesize
584KB

Download
memory/2228-135-0x0000000005BB0000-0x0000000005C4C000-memory.dmp

Filesize
624KB

Download
memory/2228-136-0x0000000005A90000-0x0000000005A9A000-memory.dmp

Filesize
40KB

Download
memory/4500-138-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4500-139-0x0000000005D90000-0x0000000005DF6000-memory.dmp

Filesize
408KB

Download
memory/4500-140-0x0000000006500000-0x0000000006550000-memory.dmp

Filesize
320KB

Download