agenttesla | af2edf9eeab2319d23fafc472103d82102ea3606f9d45f5baf3289dfd32b3428

Analysis

max time kernel
113s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
18/04/2023, 14:30

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General

Target

SecuriteInfo.com.Variant.Tedy.335016.8684.22862.exe
Size

227KB
MD5

a203fd181bc819d10742cce492e9cf8c
SHA1

d25b8f4ddbe79001d794e547c5100180dd5b6e16
SHA256

af2edf9eeab2319d23fafc472103d82102ea3606f9d45f5baf3289dfd32b3428
SHA512

77090a6e480122c7258a6503eda0eec77701c138ef429dbe01bed6b4eb6838041910d706641388483055888875cdef887c8435b60f185428c434ab893d32fcd6
SSDEEP

6144:wzTzibtHi8AtfYC0eobJCZrbYSMdQZunWnHkNtooM:wmtC8AtfYC0eobUVcJde3Eb

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.medicalsupply-uk.com
Port:
587
Username:
[email protected]
Password:
^@U)UaKB{vM=
Email To:
[email protected]

Signatures

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

.NET Reactor proctector 1 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral2/memory/4908-133-0x0000015D8CB00000-0x0000015D8CB3E000-memory.dmp	net_reactor

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Aspnet_compiler.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Aspnet_compiler.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Aspnet_compiler.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
15	api.ipify.org
16	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4908 set thread context of 1528	4908	SecuriteInfo.com.Variant.Tedy.335016.8684.22862.exe	85

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1528	Aspnet_compiler.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1528	Aspnet_compiler.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4908 wrote to memory of 1528	4908	SecuriteInfo.com.Variant.Tedy.335016.8684.22862.exe	85
PID 4908 wrote to memory of 1528	4908	SecuriteInfo.com.Variant.Tedy.335016.8684.22862.exe	85
PID 4908 wrote to memory of 1528	4908	SecuriteInfo.com.Variant.Tedy.335016.8684.22862.exe	85
PID 4908 wrote to memory of 1528	4908	SecuriteInfo.com.Variant.Tedy.335016.8684.22862.exe	85
PID 4908 wrote to memory of 1528	4908	SecuriteInfo.com.Variant.Tedy.335016.8684.22862.exe	85
PID 4908 wrote to memory of 1528	4908	SecuriteInfo.com.Variant.Tedy.335016.8684.22862.exe	85
PID 4908 wrote to memory of 1528	4908	SecuriteInfo.com.Variant.Tedy.335016.8684.22862.exe	85
PID 4908 wrote to memory of 1528	4908	SecuriteInfo.com.Variant.Tedy.335016.8684.22862.exe	85

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Aspnet_compiler.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Aspnet_compiler.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Tedy.335016.8684.22862.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Tedy.335016.8684.22862.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4908
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\Aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Aspnet_compiler.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1528

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/1528-134-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1528-136-0x0000000005330000-0x00000000058D4000-memory.dmp

Filesize
5.6MB

Download
memory/1528-137-0x0000000004E30000-0x0000000004E96000-memory.dmp

Filesize
408KB

Download
memory/1528-138-0x0000000004FA0000-0x0000000004FB0000-memory.dmp

Filesize
64KB

Download
memory/1528-139-0x0000000006700000-0x0000000006792000-memory.dmp

Filesize
584KB

Download
memory/1528-140-0x00000000066D0000-0x00000000066DA000-memory.dmp

Filesize
40KB

Download
memory/1528-141-0x0000000004FA0000-0x0000000004FB0000-memory.dmp

Filesize
64KB

Download
memory/1528-142-0x0000000006960000-0x00000000069B0000-memory.dmp

Filesize
320KB

Download
memory/1528-143-0x0000000006CD0000-0x0000000006E92000-memory.dmp

Filesize
1.8MB

Download
memory/4908-133-0x0000015D8CB00000-0x0000015D8CB3E000-memory.dmp

Filesize
248KB

Download