agenttesla | 0a8368bab522deb622eca5805bc7bc6da0d4a6a63fae959c41c22c7d0b5ffa63 | Triage

Analysis

max time kernel
49s
max time network
146s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
30/03/2023, 13:09 UTC

Sharing

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General

Target

New PO #23546738.exe
Size

707KB
MD5

80c0b9e8a00242d0fb960584d89d745e
SHA1

fb6bb9c955f030eb906e532813f7c7c6102ec55e
SHA256

0a8368bab522deb622eca5805bc7bc6da0d4a6a63fae959c41c22c7d0b5ffa63
SHA512

539017fd581d853b9e369eea90447001b08eb816948b3ab45fc9b082cfaaf65f1bb4b3af6cefb22bb1aae3190917ef47d41ce4c1794d546c2e023b628c6d3a71
SSDEEP

12288:l3B2nTxM9+/nT92EiggkPIYP1QF7MKqv27bYyywV37Zb:lSbT92E8kPT1QFJ22GwVrF

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
tashkent@ess-lnvest-trading.com
Password:
olu chu kwu 554
Email To:
tashkent@ess-lnvest-trading.com

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

Email Collection

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New PO #23546738.exe
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New PO #23546738.exe
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New PO #23546738.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
5	api.ipify.org
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1740 set thread context of 996	1740	New PO #23546738.exe	28

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

Scheduled Task

pid	Process
1380	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1740	New PO #23546738.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1740	New PO #23546738.exe
Token: SeDebugPrivilege	996	New PO #23546738.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 1380	1740	New PO #23546738.exe	26
PID 1740 wrote to memory of 1380	1740	New PO #23546738.exe	26
PID 1740 wrote to memory of 1380	1740	New PO #23546738.exe	26
PID 1740 wrote to memory of 1380	1740	New PO #23546738.exe	26
PID 1740 wrote to memory of 996	1740	New PO #23546738.exe	28
PID 1740 wrote to memory of 996	1740	New PO #23546738.exe	28
PID 1740 wrote to memory of 996	1740	New PO #23546738.exe	28
PID 1740 wrote to memory of 996	1740	New PO #23546738.exe	28
PID 1740 wrote to memory of 996	1740	New PO #23546738.exe	28
PID 1740 wrote to memory of 996	1740	New PO #23546738.exe	28
PID 1740 wrote to memory of 996	1740	New PO #23546738.exe	28
PID 1740 wrote to memory of 996	1740	New PO #23546738.exe	28
PID 1740 wrote to memory of 996	1740	New PO #23546738.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New PO #23546738.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New PO #23546738.exe

C:\Users\Admin\AppData\Local\Temp\New PO #23546738.exe
"C:\Users\Admin\AppData\Local\Temp\New PO #23546738.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YJmfGxcN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp696.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1380
- C:\Users\Admin\AppData\Local\Temp\New PO #23546738.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:996

Network

DNS

api.ipify.org

New PO #23546738.exe

Remote address:

8.8.8.8:53

Request

api.ipify.org

IN A

Response

api.ipify.org

IN CNAME

api4.ipify.org

api4.ipify.org

IN A

104.237.62.211

api4.ipify.org

IN A

64.185.227.155

api4.ipify.org

IN A

173.231.16.76
GET

https://api.ipify.org/

New PO #23546738.exe

Remote address:

104.237.62.211:443

Request

GET / HTTP/1.1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:99.0) Gecko/20100101 Firefox/99.0
Host: api.ipify.org
Connection: Keep-Alive

Response

HTTP/1.1 200 OK

Content-Length: 12
Content-Type: text/plain
Date: Thu, 30 Mar 2023 13:09:50 GMT
Vary: Origin

104.237.62.211:443

https://api.ipify.org/

tls, http

New PO #23546738.exe

1.1kB
7.0kB
11
12

HTTP Request

GET https://api.ipify.org/

HTTP Response

200

8.8.8.8:53

api.ipify.org

dns

New PO #23546738.exe

59 B
126 B
1
1

DNS Request

api.ipify.org

DNS Response

104.237.62.211

64.185.227.155

173.231.16.76

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

Persistence

Scheduled Task

Privilege Escalation

Scheduled Task

Defense Evasion

Credential Access

Credentials in Files

Discovery

System Information Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp696.tmp

Filesize
1KB

MD5
fb515e0d9c40cf28de2021dd497bd474

SHA1
b22685c1061236a7f4b26080acb41399c4832373

SHA256
5cf344de3261990d13dda968a2138a9532bf6bd799b16caf6902bbb4f02ff138

SHA512
b85c3f053d4fc193eee5bf17da4616f60be3054a46a8a856f84c1cf7d6bdfa1d127ac3ae5b3332f8953bd6adaa44e5a50d66dd782974d68e70c3f3ceb2be47c6

Download Submit
memory/996-68-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/996-64-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/996-91-0x0000000004D60000-0x0000000004DA0000-memory.dmp

Filesize
256KB

Download
memory/996-73-0x0000000004D60000-0x0000000004DA0000-memory.dmp

Filesize
256KB

Download
memory/996-72-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/996-70-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/996-63-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/996-66-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/996-67-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/996-65-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1740-56-0x0000000000280000-0x000000000028C000-memory.dmp

Filesize
48KB

Download
memory/1740-54-0x0000000000290000-0x0000000000346000-memory.dmp

Filesize
728KB

Download
memory/1740-55-0x0000000000BC0000-0x0000000000C00000-memory.dmp

Filesize
256KB

Download
memory/1740-59-0x0000000004750000-0x0000000004780000-memory.dmp

Filesize
192KB

Download
memory/1740-58-0x00000000051B0000-0x000000000522C000-memory.dmp

Filesize
496KB

Download
memory/1740-57-0x0000000000BC0000-0x0000000000C00000-memory.dmp

Filesize
256KB

Download