agenttesla | f18a287530626a1d2ce3d73394f16cd7d5e2b8cf261c21e8c53bae9c48a5b610

General

Target

vaccination-certificate.pdf.exe
Size

308KB
MD5

6573f8a43ed03a44c90ae4b2f24731b1
SHA1

4a91bbb558f5e91644e2d1cf97102a8ddba7646f
SHA256

f18a287530626a1d2ce3d73394f16cd7d5e2b8cf261c21e8c53bae9c48a5b610
SHA512

ea364baa2b9acace5766564538b5fa212411eb38055292b83b38d806e07390d6eec0393f0a5ef3be4f9c5086a9928804ccb8eb4585270eb1a32c3848de522fb2

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.dipiluminacion.com
Port:
587
Username:
[email protected]
Password:
icui4cu2@@

Signatures

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

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4360-116-0x0000000000400000-0x000000000044B000-memory.dmp	family_agenttesla
behavioral2/memory/4360-117-0x000000000040188B-mapping.dmp	family_agenttesla
behavioral2/memory/4360-118-0x0000000000400000-0x000000000044B000-memory.dmp	family_agenttesla
behavioral2/memory/4360-119-0x0000000002420000-0x0000000002456000-memory.dmp	family_agenttesla

Loads dropped DLL 1 IoCs

Processes:

vaccination-certificate.pdf.exe

pid process

5072 vaccination-certificate.pdf.exe
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

pid	process
5072	vaccination-certificate.pdf.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

vaccination-certificate.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vaccination-certificate.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vaccination-certificate.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vaccination-certificate.pdf.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

vaccination-certificate.pdf.exe

description pid process target process

PID 5072 set thread context of 4360 5072 vaccination-certificate.pdf.exe vaccination-certificate.pdf.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:

vaccination-certificate.pdf.exe

pid process

4360 vaccination-certificate.pdf.exe
4360 vaccination-certificate.pdf.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

vaccination-certificate.pdf.exe

description pid process

Token: SeDebugPrivilege 4360 vaccination-certificate.pdf.exe

description	pid	process	target process
PID 5072 set thread context of 4360	5072	vaccination-certificate.pdf.exe	vaccination-certificate.pdf.exe

pid	process
4360	vaccination-certificate.pdf.exe
4360	vaccination-certificate.pdf.exe

description	pid	process
Token: SeDebugPrivilege	4360	vaccination-certificate.pdf.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

vaccination-certificate.pdf.exe

description	pid	process	target process
PID 5072 wrote to memory of 4360	5072	vaccination-certificate.pdf.exe	vaccination-certificate.pdf.exe
PID 5072 wrote to memory of 4360	5072	vaccination-certificate.pdf.exe	vaccination-certificate.pdf.exe
PID 5072 wrote to memory of 4360	5072	vaccination-certificate.pdf.exe	vaccination-certificate.pdf.exe
PID 5072 wrote to memory of 4360	5072	vaccination-certificate.pdf.exe	vaccination-certificate.pdf.exe
PID 5072 wrote to memory of 4360	5072	vaccination-certificate.pdf.exe	vaccination-certificate.pdf.exe
PID 5072 wrote to memory of 4360	5072	vaccination-certificate.pdf.exe	vaccination-certificate.pdf.exe
PID 5072 wrote to memory of 4360	5072	vaccination-certificate.pdf.exe	vaccination-certificate.pdf.exe
PID 5072 wrote to memory of 4360	5072	vaccination-certificate.pdf.exe	vaccination-certificate.pdf.exe
PID 5072 wrote to memory of 4360	5072	vaccination-certificate.pdf.exe	vaccination-certificate.pdf.exe
PID 5072 wrote to memory of 4360	5072	vaccination-certificate.pdf.exe	vaccination-certificate.pdf.exe

outlook_office_path 1 IoCs

Processes:

vaccination-certificate.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vaccination-certificate.pdf.exe

outlook_win_path 1 IoCs

Processes:

vaccination-certificate.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vaccination-certificate.pdf.exe

C:\Users\Admin\AppData\Local\Temp\vaccination-certificate.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\vaccination-certificate.pdf.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5072
- C:\Users\Admin\AppData\Local\Temp\vaccination-certificate.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\vaccination-certificate.pdf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4360

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nsaF743.tmp\qpdxdeahmn.dll

MD5
8808b53b862e4e24374a449f03b971c0

SHA1
26da682c2feeab114ae5dc2bfe0abaa6c068a6e4

SHA256
6ad4ced0975e95f8165a13eac1ff3b55ec9f115854ca66a023a7d1c9e31e62bd

SHA512
7eb5af70e87398c1310b9c5c807d2de13f4b4917701a98070f00a4120e5fd45f0a3e196a14670ba1e45c6529d7ce5443e7dede888f24511d283949b0a44cef03

Download Submit
memory/4360-116-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4360-117-0x000000000040188B-mapping.dmp

Download
memory/4360-118-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4360-119-0x0000000002420000-0x0000000002456000-memory.dmp

Filesize
216KB

Download
memory/4360-121-0x0000000004990000-0x0000000004991000-memory.dmp

Filesize
4KB

Download
memory/4360-123-0x00000000022E2000-0x00000000022E3000-memory.dmp

Filesize
4KB

Download
memory/4360-122-0x00000000022E0000-0x00000000022E1000-memory.dmp

Filesize
4KB

Download
memory/4360-125-0x00000000022E4000-0x00000000022E5000-memory.dmp

Filesize
4KB

Download
memory/4360-124-0x00000000022E3000-0x00000000022E4000-memory.dmp

Filesize
4KB

Download
memory/4360-126-0x0000000004FB0000-0x0000000004FB1000-memory.dmp

Filesize
4KB

Download
memory/4360-127-0x00000000058F0000-0x00000000058F1000-memory.dmp

Filesize
4KB

Download
memory/4360-128-0x0000000005920000-0x0000000005921000-memory.dmp

Filesize
4KB

Download
memory/4360-129-0x0000000005710000-0x0000000005711000-memory.dmp

Filesize
4KB

Download
memory/4360-130-0x0000000000870000-0x0000000000871000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads