agenttesla | 117fac29259144eea01437fba5a89e49c773b1d5184c42f3a3735e8d7045f7e4

General

Target

45676576545_pdf.exe
Size

491KB
MD5

01bc7d05b6e6507b7017abee3579738a
SHA1

147377bb8597a119fc318059335ae0f96687f844
SHA256

8883f73f1e34a42362cd116db607dd2cbf33616249a68783ec6a0455b72d8bcb
SHA512

97d413bddf67399c988f0a963dbbae7284e9343ea3ceeb1d8a96eb5a937daf8b61898351e12f5e95a29cba60741d8f0275f4b2988ef2eba26ef4feca79608dcf

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3868-134-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

5 checkip.amazonaws.com

flow	ioc
5	checkip.amazonaws.com

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

45676576545_pdf.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	45676576545_pdf.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	45676576545_pdf.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

45676576545_pdf.exe

description pid process target process

PID 2700 set thread context of 3868 2700 45676576545_pdf.exe InstallUtil.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

InstallUtil.exe

pid process

3868 InstallUtil.exe
3868 InstallUtil.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

45676576545_pdf.exe

pid process

2700 45676576545_pdf.exe
2700 45676576545_pdf.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

InstallUtil.exe

description pid process

Token: SeDebugPrivilege 3868 InstallUtil.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

InstallUtil.exe

pid process

3868 InstallUtil.exe

description	pid	process	target process
PID 2700 set thread context of 3868	2700	45676576545_pdf.exe	InstallUtil.exe

pid	process
3868	InstallUtil.exe
3868	InstallUtil.exe

pid	process
2700	45676576545_pdf.exe
2700	45676576545_pdf.exe

description	pid	process
Token: SeDebugPrivilege	3868	InstallUtil.exe

pid	process
3868	InstallUtil.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

45676576545_pdf.exe

description	pid	process	target process
PID 2700 wrote to memory of 1872	2700	45676576545_pdf.exe	InstallUtil.exe
PID 2700 wrote to memory of 1872	2700	45676576545_pdf.exe	InstallUtil.exe
PID 2700 wrote to memory of 1872	2700	45676576545_pdf.exe	InstallUtil.exe
PID 2700 wrote to memory of 3868	2700	45676576545_pdf.exe	InstallUtil.exe
PID 2700 wrote to memory of 3868	2700	45676576545_pdf.exe	InstallUtil.exe
PID 2700 wrote to memory of 3868	2700	45676576545_pdf.exe	InstallUtil.exe
PID 2700 wrote to memory of 3868	2700	45676576545_pdf.exe	InstallUtil.exe

outlook_office_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\45676576545_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\45676576545_pdf.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2700

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
"C:\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\InstallUtil.exe"
2⤵
PID:1872

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
"C:\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\InstallUtil.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:3868

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/2700-130-0x0000000000A20000-0x0000000000AA0000-memory.dmp

Filesize
512KB

Download
memory/2700-131-0x0000000005B10000-0x00000000060B4000-memory.dmp

Filesize
5.6MB

Download
memory/2700-133-0x0000000002E80000-0x0000000002E83000-memory.dmp

Filesize
12KB

Download
memory/3868-132-0x0000000000000000-mapping.dmp

Download
memory/3868-134-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/3868-135-0x00000000053A0000-0x0000000005432000-memory.dmp

Filesize
584KB

Download
memory/3868-136-0x0000000005710000-0x00000000057AC000-memory.dmp

Filesize
624KB

Download
memory/3868-137-0x0000000005BF0000-0x0000000005C56000-memory.dmp

Filesize
408KB

Download
memory/3868-138-0x0000000007190000-0x00000000071E0000-memory.dmp

Filesize
320KB

Download
memory/3868-139-0x0000000006DC0000-0x0000000006DCA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads