agenttesla | 31c78ac3b25d1abf7932ca71a93ca368e5f9116b7ed2874cef40655ebc09783d

Analysis

max time kernel
140s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
31/08/2023, 19:56

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General

Target

AJG2023031161.exe
Size

852KB
MD5

6cc6924c78fdcb06383af80e97539df9
SHA1

7418239bc287b32a2243bbad661aecd75f7176c9
SHA256

229409f294f2a7102935d415228ff716f06746e313c4d058821a0397518213ad
SHA512

21b5324a83bbb8904ba43e292d7bfccfb16a059ee9d140614cd6ce397d93b0755b775477056ff7611ebe032fa3024f0577e52a8512d5566329bd9ccc7e8278f1
SSDEEP

12288:BB5KrzwXNvOQlR7RHdhjmC/MVKKGameOrrqTxlaTKnHXlVXQi:BOrsXNmyR7R9Fmx8ameO6BHXlJQi

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.sirisexpress.com
Port:
587
Username:
[email protected]
Password:
SirisEmails@123
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-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\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

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Cmddqar = "C:\\Users\\Admin\\AppData\\Roaming\\Cmddqar.exe"	AJG2023031161.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
24	api.ipify.org
25	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 544 set thread context of 456	544	AJG2023031161.exe	89

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
456	MSBuild.exe
456	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	544	AJG2023031161.exe
Token: SeDebugPrivilege	456	MSBuild.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 544 wrote to memory of 456	544	AJG2023031161.exe	89
PID 544 wrote to memory of 456	544	AJG2023031161.exe	89
PID 544 wrote to memory of 456	544	AJG2023031161.exe	89
PID 544 wrote to memory of 456	544	AJG2023031161.exe	89
PID 544 wrote to memory of 456	544	AJG2023031161.exe	89
PID 544 wrote to memory of 456	544	AJG2023031161.exe	89
PID 544 wrote to memory of 456	544	AJG2023031161.exe	89
PID 544 wrote to memory of 456	544	AJG2023031161.exe	89

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\AJG2023031161.exe
"C:\Users\Admin\AppData\Local\Temp\AJG2023031161.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:544
- 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
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:456

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/456-1088-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/456-1089-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/456-1091-0x0000000001240000-0x0000000001250000-memory.dmp

Filesize
64KB

Download
memory/456-1092-0x00000000052D0000-0x0000000005336000-memory.dmp

Filesize
408KB

Download
memory/456-1093-0x0000000006560000-0x00000000065B0000-memory.dmp

Filesize
320KB

Download
memory/456-1095-0x0000000001240000-0x0000000001250000-memory.dmp

Filesize
64KB

Download
memory/456-1094-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/544-31-0x00000000083B0000-0x0000000008475000-memory.dmp

Filesize
788KB

Download
memory/544-39-0x00000000083B0000-0x0000000008475000-memory.dmp

Filesize
788KB

Download
memory/544-4-0x0000000005C00000-0x0000000005C10000-memory.dmp

Filesize
64KB

Download
memory/544-5-0x0000000005970000-0x000000000597A000-memory.dmp

Filesize
40KB

Download
memory/544-6-0x00000000083B0000-0x0000000008475000-memory.dmp

Filesize
788KB

Download
memory/544-7-0x00000000083B0000-0x0000000008475000-memory.dmp

Filesize
788KB

Download
memory/544-9-0x00000000083B0000-0x0000000008475000-memory.dmp

Filesize
788KB

Download
memory/544-11-0x00000000083B0000-0x0000000008475000-memory.dmp

Filesize
788KB

Download
memory/544-13-0x00000000083B0000-0x0000000008475000-memory.dmp

Filesize
788KB

Download
memory/544-15-0x00000000083B0000-0x0000000008475000-memory.dmp

Filesize
788KB

Download
memory/544-17-0x00000000083B0000-0x0000000008475000-memory.dmp

Filesize
788KB

Download
memory/544-21-0x00000000083B0000-0x0000000008475000-memory.dmp

Filesize
788KB

Download
memory/544-19-0x00000000083B0000-0x0000000008475000-memory.dmp

Filesize
788KB

Download
memory/544-23-0x00000000083B0000-0x0000000008475000-memory.dmp

Filesize
788KB

Download
memory/544-25-0x00000000083B0000-0x0000000008475000-memory.dmp

Filesize
788KB

Download
memory/544-27-0x00000000083B0000-0x0000000008475000-memory.dmp

Filesize
788KB

Download
memory/544-29-0x00000000083B0000-0x0000000008475000-memory.dmp

Filesize
788KB

Download
memory/544-2-0x0000000005F50000-0x00000000064F4000-memory.dmp

Filesize
5.6MB

Download
memory/544-33-0x00000000083B0000-0x0000000008475000-memory.dmp

Filesize
788KB

Download
memory/544-35-0x00000000083B0000-0x0000000008475000-memory.dmp

Filesize
788KB

Download
memory/544-37-0x00000000083B0000-0x0000000008475000-memory.dmp

Filesize
788KB

Download
memory/544-3-0x00000000059A0000-0x0000000005A32000-memory.dmp

Filesize
584KB

Download
memory/544-41-0x00000000083B0000-0x0000000008475000-memory.dmp

Filesize
788KB

Download
memory/544-43-0x00000000083B0000-0x0000000008475000-memory.dmp

Filesize
788KB

Download
memory/544-45-0x00000000083B0000-0x0000000008475000-memory.dmp

Filesize
788KB

Download
memory/544-47-0x00000000083B0000-0x0000000008475000-memory.dmp

Filesize
788KB

Download
memory/544-49-0x00000000083B0000-0x0000000008475000-memory.dmp

Filesize
788KB

Download
memory/544-51-0x00000000083B0000-0x0000000008475000-memory.dmp

Filesize
788KB

Download
memory/544-53-0x00000000083B0000-0x0000000008475000-memory.dmp

Filesize
788KB

Download
memory/544-55-0x00000000083B0000-0x0000000008475000-memory.dmp

Filesize
788KB

Download
memory/544-57-0x00000000083B0000-0x0000000008475000-memory.dmp

Filesize
788KB

Download
memory/544-59-0x00000000083B0000-0x0000000008475000-memory.dmp

Filesize
788KB

Download
memory/544-61-0x00000000083B0000-0x0000000008475000-memory.dmp

Filesize
788KB

Download
memory/544-63-0x00000000083B0000-0x0000000008475000-memory.dmp

Filesize
788KB

Download
memory/544-65-0x00000000083B0000-0x0000000008475000-memory.dmp

Filesize
788KB

Download
memory/544-67-0x00000000083B0000-0x0000000008475000-memory.dmp

Filesize
788KB

Download
memory/544-69-0x00000000083B0000-0x0000000008475000-memory.dmp

Filesize
788KB

Download
memory/544-703-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/544-1-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/544-0-0x0000000000EE0000-0x0000000000FBC000-memory.dmp

Filesize
880KB

Download
memory/544-767-0x0000000005C00000-0x0000000005C10000-memory.dmp

Filesize
64KB

Download
memory/544-1084-0x0000000007AA0000-0x0000000007AA1000-memory.dmp

Filesize
4KB

Download
memory/544-1090-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download