agenttesla | 81162d06ef961d95dc677f8f4f9ced55da496844cf5b769191db72cce15a5263

Analysis

max time kernel
92s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2022 10:19

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General

Target

Shipping Document_PDF.exe
Size

425KB
MD5

316bc2c2ccf689cbda2c83a33a412b32
SHA1

fc31789f4eb66333997c3edbaf585e48d2c3e390
SHA256

81162d06ef961d95dc677f8f4f9ced55da496844cf5b769191db72cce15a5263
SHA512

e0f755d48f986e46cf143b913b37d373fcfc66d4b834ef0aba1d8a8b5ed76e218ec2b90e2eed05c4ff796c59b0afa3baafd3f35e51c33292b4d144019b54bde8
SSDEEP

6144:N8dj5zpTDFLZFBapa52ju7QAdtkgpmNZEs7a+hI:NmFZDFLZFBN+u79dtkgpmEw5I

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot2062652208:AAEyc-7xEcUOQxNpdlexOidqQZT1Fi23E0A/sendDocument

Signatures

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

AgentTesla payload 2 IoCs

resource	yara_rule
behavioral2/memory/4800-133-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/4800-134-0x000000000043775E-mapping.dmp	family_agenttesla

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4708 set thread context of 4800	4708	Shipping Document_PDF.exe	81

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4800	Caspol.exe
4800	Caspol.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4800	Caspol.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4708 wrote to memory of 4800	4708	Shipping Document_PDF.exe	81
PID 4708 wrote to memory of 4800	4708	Shipping Document_PDF.exe	81
PID 4708 wrote to memory of 4800	4708	Shipping Document_PDF.exe	81
PID 4708 wrote to memory of 4800	4708	Shipping Document_PDF.exe	81
PID 4708 wrote to memory of 4800	4708	Shipping Document_PDF.exe	81
PID 4708 wrote to memory of 4800	4708	Shipping Document_PDF.exe	81
PID 4708 wrote to memory of 4800	4708	Shipping Document_PDF.exe	81
PID 4708 wrote to memory of 4800	4708	Shipping Document_PDF.exe	81

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe

C:\Users\Admin\AppData\Local\Temp\Shipping Document_PDF.exe
"C:\Users\Admin\AppData\Local\Temp\Shipping Document_PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4708
- 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 behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4800

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/4708-132-0x000001E3063C0000-0x000001E30642A000-memory.dmp

Filesize
424KB

Download
memory/4708-135-0x00007FF9C6AF0000-0x00007FF9C75B1000-memory.dmp

Filesize
10.8MB

Download
memory/4800-133-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4800-136-0x00000000054C0000-0x0000000005A64000-memory.dmp

Filesize
5.6MB

Download
memory/4800-137-0x0000000004F10000-0x0000000004FA2000-memory.dmp

Filesize
584KB

Download
memory/4800-138-0x0000000005060000-0x00000000050FC000-memory.dmp

Filesize
624KB

Download
memory/4800-139-0x0000000005E20000-0x0000000005E86000-memory.dmp

Filesize
408KB

Download
memory/4800-140-0x0000000000DE0000-0x0000000000E30000-memory.dmp

Filesize
320KB

Download
memory/4800-141-0x0000000006140000-0x000000000614A000-memory.dmp

Filesize
40KB

Download