agenttesla | 5b65bd3beffa01f08710d696c4011d321846c81ff8248e31ce9c4bc933a54d39

Analysis

max time kernel
144s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
07/11/2022, 05:18

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General

Target

Order 911799 - EM092722.exe
Size

479KB
MD5

705c1bddf0a01f9b7c32b5ede6e64ed1
SHA1

43daf76d2701e02ca64d73a77c8de0c3d318c240
SHA256

5b65bd3beffa01f08710d696c4011d321846c81ff8248e31ce9c4bc933a54d39
SHA512

584c1243afd6df208878b9e2d6440018d52c1848c82fe938038d8f898e4b0ea2f9b478d22cc03230af0da34639a2b0a01de2f9d99492236527071a0e3f1cb130
SSDEEP

12288:dL2Nnm0bT86Nlb2vbchfsC+mURes2nomyqGYt3FWzAh:dqlBb1mY+Qs2omyqGYt3FWzAh

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
webmail.corsinitravel.com
Port:
587
Username:
[email protected]
Password:
Corsinikarisma2019
Email To:
[email protected]

Signatures

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\App = "C:\\Users\\Admin\\AppData\\Roaming\\App\\App.exe"	CasPol.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
25	api.ipify.org
26	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4828 set thread context of 4632	4828	Order 911799 - EM092722.exe	79

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4828	Order 911799 - EM092722.exe
4828	Order 911799 - EM092722.exe
4632	CasPol.exe
4632	CasPol.exe
4632	CasPol.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4828	Order 911799 - EM092722.exe
Token: SeDebugPrivilege	4632	CasPol.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4828 wrote to memory of 4632	4828	Order 911799 - EM092722.exe	79
PID 4828 wrote to memory of 4632	4828	Order 911799 - EM092722.exe	79
PID 4828 wrote to memory of 4632	4828	Order 911799 - EM092722.exe	79
PID 4828 wrote to memory of 4632	4828	Order 911799 - EM092722.exe	79
PID 4828 wrote to memory of 4632	4828	Order 911799 - EM092722.exe	79
PID 4828 wrote to memory of 4632	4828	Order 911799 - EM092722.exe	79
PID 4828 wrote to memory of 4632	4828	Order 911799 - EM092722.exe	79
PID 4828 wrote to memory of 4632	4828	Order 911799 - EM092722.exe	79

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe

C:\Users\Admin\AppData\Local\Temp\Order 911799 - EM092722.exe
"C:\Users\Admin\AppData\Local\Temp\Order 911799 - EM092722.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4828
- 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
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4632

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/4632-134-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4632-137-0x0000000005DB0000-0x0000000006354000-memory.dmp

Filesize
5.6MB

Download
memory/4632-138-0x0000000005800000-0x000000000589C000-memory.dmp

Filesize
624KB

Download
memory/4632-139-0x00000000065A0000-0x0000000006606000-memory.dmp

Filesize
408KB

Download
memory/4632-140-0x0000000006D00000-0x0000000006D50000-memory.dmp

Filesize
320KB

Download
memory/4632-141-0x0000000006E90000-0x0000000006F22000-memory.dmp

Filesize
584KB

Download
memory/4632-142-0x0000000006E30000-0x0000000006E3A000-memory.dmp

Filesize
40KB

Download
memory/4828-132-0x000001F236E80000-0x000001F236EFC000-memory.dmp

Filesize
496KB

Download
memory/4828-133-0x00007FFD3D1B0000-0x00007FFD3DC71000-memory.dmp

Filesize
10.8MB

Download
memory/4828-136-0x00007FFD3D1B0000-0x00007FFD3DC71000-memory.dmp

Filesize
10.8MB

Download