agenttesla | 5b405dbe70d390102eff963cd3ae7616d412c9644739ab79697b75750170f794

Analysis

max time kernel
31s
max time network
134s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
16/05/2023, 09:14

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General

Target

1402.exe
Size

227KB
MD5

96806ba99e9e85d9561732521cbcb587
SHA1

a81b89f8dc5e21aca41b7207800d92d55ff1a67e
SHA256

5b405dbe70d390102eff963cd3ae7616d412c9644739ab79697b75750170f794
SHA512

bdae76c5226e31a1ed74808f72a76132eba5624461d9a95f9b43cb49420909dd5af621dccae80c4ce3faf3dc9e7f87e3347171438f9971f332480038d16c4ed5
SSDEEP

6144:fENWk3enpKUz1JOCiMOmtePGTdJRPHonewGn4:C8pKEuCipKePGT1/Xw

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://discord.com/api/webhooks/1082598970343305236/Wpl9RXuO_KYMIPjOB3KaQKem-Oq_QaZ3OhJgiC7UvEvJ_B230afWbPYGOxLc2PBI-Wer

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-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\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.

flow	ioc
4	api.ipify.org
3	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1936 set thread context of 928	1936	1402.exe	28

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	928	Caspol.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 928	1936	1402.exe	28
PID 1936 wrote to memory of 928	1936	1402.exe	28
PID 1936 wrote to memory of 928	1936	1402.exe	28
PID 1936 wrote to memory of 928	1936	1402.exe	28
PID 1936 wrote to memory of 928	1936	1402.exe	28
PID 1936 wrote to memory of 928	1936	1402.exe	28
PID 1936 wrote to memory of 928	1936	1402.exe	28
PID 1936 wrote to memory of 928	1936	1402.exe	28
PID 1936 wrote to memory of 928	1936	1402.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe

C:\Users\Admin\AppData\Local\Temp\1402.exe
"C:\Users\Admin\AppData\Local\Temp\1402.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1936
- 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 use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:928

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

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Downloads

memory/928-56-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/928-57-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/928-58-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/928-59-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/928-60-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/928-61-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/928-63-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/928-65-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/928-66-0x0000000004EB0000-0x0000000004EF0000-memory.dmp

Filesize
256KB

Download
memory/1936-54-0x00000000008E0000-0x0000000000918000-memory.dmp

Filesize
224KB

Download
memory/1936-55-0x0000000000540000-0x000000000054E000-memory.dmp

Filesize
56KB

Download