agenttesla | ae089b8131dc35166d58eaed9895cfae2264f6418c04ca8c7ef48e539d6f0933

General

Target

ae089b8131dc35166d58eaed9895cfae2264f6418c04ca8c7ef48e539d6f0933.exe
Size

1.4MB
MD5

8aca8dcdafc7ed863cdafe320fc8823f
SHA1

6945abc4f31d3bda7d44dfc1a054440567221e1e
SHA256

ae089b8131dc35166d58eaed9895cfae2264f6418c04ca8c7ef48e539d6f0933
SHA512

6c4b3aa8c95ee131c353776a134f9cd8c439b85f327d68b80820fb097f7da4a42f323a11d240b219c5b5bda435abc234ea8c3d2f2877c51341c1396c3b373da4
SSDEEP

24576:LAHnh+eWsN3skA4RV1Hom2KXMmHaSv+jU2EgsDjL2MJJVghOaaPmqt2rNWi5:mh+ZkldoPK8YaSvffmgWantUNn

Score

10^/10

agenttesla collection keylogger persistence 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/4424-135-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla

Drops startup file 1 IoCs

Processes:

ae089b8131dc35166d58eaed9895cfae2264f6418c04ca8c7ef48e539d6f0933.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\BdeSysprep.lnk	ae089b8131dc35166d58eaed9895cfae2264f6418c04ca8c7ef48e539d6f0933.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

MSBuild.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MyApp = "C:\\Users\\Admin\\AppData\\Roaming\\MyApp\\MyApp.exe"	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

ae089b8131dc35166d58eaed9895cfae2264f6418c04ca8c7ef48e539d6f0933.exe

description	pid	process	target process
PID 4568 set thread context of 4424	4568	ae089b8131dc35166d58eaed9895cfae2264f6418c04ca8c7ef48e539d6f0933.exe	MSBuild.exe

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

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

MSBuild.exe

pid process

4424 MSBuild.exe
4424 MSBuild.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

ae089b8131dc35166d58eaed9895cfae2264f6418c04ca8c7ef48e539d6f0933.exe

pid process

4568 ae089b8131dc35166d58eaed9895cfae2264f6418c04ca8c7ef48e539d6f0933.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 4424 MSBuild.exe

pid	process
4424	MSBuild.exe
4424	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	4424	MSBuild.exe

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

ae089b8131dc35166d58eaed9895cfae2264f6418c04ca8c7ef48e539d6f0933.exe

pid	process
4568	ae089b8131dc35166d58eaed9895cfae2264f6418c04ca8c7ef48e539d6f0933.exe
4568	ae089b8131dc35166d58eaed9895cfae2264f6418c04ca8c7ef48e539d6f0933.exe
4568	ae089b8131dc35166d58eaed9895cfae2264f6418c04ca8c7ef48e539d6f0933.exe
4568	ae089b8131dc35166d58eaed9895cfae2264f6418c04ca8c7ef48e539d6f0933.exe

Suspicious use of SendNotifyMessage 4 IoCs

Processes:

ae089b8131dc35166d58eaed9895cfae2264f6418c04ca8c7ef48e539d6f0933.exe

pid	process
4568	ae089b8131dc35166d58eaed9895cfae2264f6418c04ca8c7ef48e539d6f0933.exe
4568	ae089b8131dc35166d58eaed9895cfae2264f6418c04ca8c7ef48e539d6f0933.exe
4568	ae089b8131dc35166d58eaed9895cfae2264f6418c04ca8c7ef48e539d6f0933.exe
4568	ae089b8131dc35166d58eaed9895cfae2264f6418c04ca8c7ef48e539d6f0933.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

MSBuild.exe

pid process

4424 MSBuild.exe

pid	process
4424	MSBuild.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

ae089b8131dc35166d58eaed9895cfae2264f6418c04ca8c7ef48e539d6f0933.exe

description	pid	process	target process
PID 4568 wrote to memory of 4424	4568	ae089b8131dc35166d58eaed9895cfae2264f6418c04ca8c7ef48e539d6f0933.exe	MSBuild.exe
PID 4568 wrote to memory of 4424	4568	ae089b8131dc35166d58eaed9895cfae2264f6418c04ca8c7ef48e539d6f0933.exe	MSBuild.exe
PID 4568 wrote to memory of 4424	4568	ae089b8131dc35166d58eaed9895cfae2264f6418c04ca8c7ef48e539d6f0933.exe	MSBuild.exe
PID 4568 wrote to memory of 4424	4568	ae089b8131dc35166d58eaed9895cfae2264f6418c04ca8c7ef48e539d6f0933.exe	MSBuild.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\ae089b8131dc35166d58eaed9895cfae2264f6418c04ca8c7ef48e539d6f0933.exe
"C:\Users\Admin\AppData\Local\Temp\ae089b8131dc35166d58eaed9895cfae2264f6418c04ca8c7ef48e539d6f0933.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4568
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\MSBuild.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:4424

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/4424-134-0x0000000000000000-mapping.dmp

Download
memory/4424-135-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/4424-136-0x0000000005480000-0x0000000005512000-memory.dmp

Filesize
584KB

Download
memory/4424-137-0x0000000005D40000-0x00000000062E4000-memory.dmp

Filesize
5.6MB

Download
memory/4424-138-0x0000000005790000-0x000000000582C000-memory.dmp

Filesize
624KB

Download
memory/4424-139-0x0000000005C70000-0x0000000005CD6000-memory.dmp

Filesize
408KB

Download
memory/4424-140-0x0000000006BB0000-0x0000000006C00000-memory.dmp

Filesize
320KB

Download
memory/4424-141-0x0000000006B80000-0x0000000006B8A000-memory.dmp

Filesize
40KB

Download
memory/4568-133-0x0000000003FC0000-0x0000000003FC3000-memory.dmp

Filesize
12KB

Download
memory/4568-132-0x00000000040F0000-0x0000000004144000-memory.dmp

Filesize
336KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads