agenttesla | b4f5ab297be81516ae9c0cd602d0bcab9050c8321b5675dc1ddbfa99be09f9af

Analysis

max time kernel
109s
max time network
2s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
20/09/2022, 08:00

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General

Target

PO-20945321002 & PO-20945321004.exe
Size

209KB
MD5

1148c85897a1e993f4eb0f08be37ec0b
SHA1

fc6cd75c16babd85ff8df1b4e0fa5edd361758e8
SHA256

b4f5ab297be81516ae9c0cd602d0bcab9050c8321b5675dc1ddbfa99be09f9af
SHA512

5e191cd8bda0d9944771fd17f6dd90f3ad18d1b137ae11fd061562820642f5a9fc0006f3e1ebfba3a1856ef5cce7bfdf609310d2486fb5bb98a38ffbdb075488
SSDEEP

6144:U0M9XCwEB3fGQZjtrjYqZjZ3aTItQYFQwjgTG:U0MlCwEB3+gjtXYs93aYMa

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.obynnehhhan.com
Port:
587
Username:
[email protected]
Password:
G$MUuYG3

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/4832-134-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	cvtres.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	cvtres.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	cvtres.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4904 set thread context of 4832	4904	PO-20945321002 & PO-20945321004.exe	75

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4832	cvtres.exe
4832	cvtres.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4832	cvtres.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4904 wrote to memory of 4832	4904	PO-20945321002 & PO-20945321004.exe	75
PID 4904 wrote to memory of 4832	4904	PO-20945321002 & PO-20945321004.exe	75
PID 4904 wrote to memory of 4832	4904	PO-20945321002 & PO-20945321004.exe	75
PID 4904 wrote to memory of 4832	4904	PO-20945321002 & PO-20945321004.exe	75
PID 4904 wrote to memory of 4832	4904	PO-20945321002 & PO-20945321004.exe	75
PID 4904 wrote to memory of 4832	4904	PO-20945321002 & PO-20945321004.exe	75
PID 4904 wrote to memory of 4832	4904	PO-20945321002 & PO-20945321004.exe	75
PID 4904 wrote to memory of 4832	4904	PO-20945321002 & PO-20945321004.exe	75

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	cvtres.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	cvtres.exe

C:\Users\Admin\AppData\Local\Temp\PO-20945321002 & PO-20945321004.exe
"C:\Users\Admin\AppData\Local\Temp\PO-20945321002 & PO-20945321004.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4904
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4832

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

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Downloads

memory/4832-134-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4832-135-0x0000000005770000-0x0000000005D14000-memory.dmp

Filesize
5.6MB

Download
memory/4832-136-0x00000000050A0000-0x0000000005132000-memory.dmp

Filesize
584KB

Download
memory/4832-137-0x00000000053B0000-0x000000000544C000-memory.dmp

Filesize
624KB

Download
memory/4832-138-0x0000000006060000-0x00000000060C6000-memory.dmp

Filesize
408KB

Download
memory/4832-139-0x0000000001040000-0x0000000001090000-memory.dmp

Filesize
320KB

Download
memory/4832-140-0x0000000000FB0000-0x0000000000FBA000-memory.dmp

Filesize
40KB

Download
memory/4904-132-0x0000000000210000-0x000000000024A000-memory.dmp

Filesize
232KB

Download