agenttesla | 5bdf37ff9eb3ccb965c0392bc6571d3cb1cb606102f8c92bf54d9c71bb6955ed

Analysis

max time kernel
146s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
04/07/2023, 04:30

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General

Target
po.exe
Size 952KB
Sample230704-e4s2psce9w
SHA256 5bdf37ff9eb3ccb965c0392bc6571d3cb1cb606102f8c92bf54d9c71bb6955ed
MD5 c62b8b62ecd8aaa210397745b62b3052
SHA1 f43313c5c49974ff08f9c23a333dace57511a00d
SHA512 d678c5c5c1a0b63ac4f3dc2101b1fc61ea3e70c903494c509f613671c14f6601d27ec6fe7da6de7dd638f2d1ae3bc79086d55719acfbc1b908febb789a87e8bd
SSDEEP 12288:PWn0pZE2O9SSAYWFtWdEZj2gFRylBHHNiKWvip4h9Eja6YvlkpE:xw3ZAYWFtN5jIpHpp4hOja6
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.gimpex-imerys.com
Port
587
Username
[email protected]
Password
h45ZVRb6(IMF
Email to
[email protected]

Signatures

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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	po.exe
Key opened	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	po.exe
Key opened	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	po.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
6	api.ipify.org
7	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2008 set thread context of 1804	2008	po.exe	83

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2008	po.exe
2008	po.exe
1804	po.exe
1804	po.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2008	po.exe
Token: SeDebugPrivilege	1804	po.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2008 wrote to memory of 1928	2008	po.exe	82
PID 2008 wrote to memory of 1928	2008	po.exe	82
PID 2008 wrote to memory of 1928	2008	po.exe	82
PID 2008 wrote to memory of 1804	2008	po.exe	83
PID 2008 wrote to memory of 1804	2008	po.exe	83
PID 2008 wrote to memory of 1804	2008	po.exe	83
PID 2008 wrote to memory of 1804	2008	po.exe	83
PID 2008 wrote to memory of 1804	2008	po.exe	83
PID 2008 wrote to memory of 1804	2008	po.exe	83
PID 2008 wrote to memory of 1804	2008	po.exe	83
PID 2008 wrote to memory of 1804	2008	po.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	po.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	po.exe

C:\Users\Admin\AppData\Local\Temp\po.exe
"C:\Users\Admin\AppData\Local\Temp\po.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2008
- C:\Users\Admin\AppData\Local\Temp\po.exe
  "{path}"
  2⤵
  PID:1928
- C:\Users\Admin\AppData\Local\Temp\po.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1804

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

po.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\po.exe.log
Size 1KB
SHA256 c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553
MD5 17573558c4e714f606f997e5157afaac
SHA1 13e16e9415ceef429aaf124139671ebeca09ed23
SHA512 f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc
MD5 SHA1 SHA512

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memory/1804-141-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1804-148-0x0000000005890000-0x00000000058A0000-memory.dmp

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memory/1804-147-0x00000000070F0000-0x00000000072B2000-memory.dmp

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memory/1804-146-0x0000000006ED0000-0x0000000006F20000-memory.dmp

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memory/1804-145-0x0000000005890000-0x00000000058A0000-memory.dmp

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memory/1804-144-0x00000000058A0000-0x0000000005906000-memory.dmp

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memory/2008-136-0x0000000005060000-0x00000000050F2000-memory.dmp

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memory/2008-140-0x0000000004EC0000-0x0000000004ED0000-memory.dmp

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memory/2008-139-0x0000000004EC0000-0x0000000004ED0000-memory.dmp

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memory/2008-138-0x0000000005100000-0x0000000005156000-memory.dmp

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memory/2008-137-0x0000000004FA0000-0x0000000004FAA000-memory.dmp

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memory/2008-133-0x0000000000450000-0x0000000000544000-memory.dmp

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memory/2008-135-0x0000000005570000-0x0000000005B14000-memory.dmp

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memory/2008-134-0x0000000004ED0000-0x0000000004F6C000-memory.dmp

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