agenttesla | 4024305f22679e7580e906744bba5ad9193fbe444c9b30b24845f135886a3c86

General

Target

QUOTE #21440170.exe
Size

689KB
MD5

6f20bdc25100357d2696eb7b48f6fb18
SHA1

b6bdd55fe0b158ac6073001270188441feab9ad4
SHA256

4024305f22679e7580e906744bba5ad9193fbe444c9b30b24845f135886a3c86
SHA512

ffb1df83d229f917e90368d6c406b73dc020ada95386d2ba109f4c712964cbf7e9e275a5ed45fb32c1d467bde119f00672f2a9ef4cda8bcfd23591c089952d58
SSDEEP

12288:lro7WxISxii8tnmH8FHLMMUAi9gC9ymc1pBWMm:l3xIYirtnW8FHM/9LB6M

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.gmail.com
Port:
587
Username:
[email protected]
Password:
iebtzpacgzyullvo
Email To:
[email protected]

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	QUOTE #21440170.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\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

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YLcqPJe = "C:\\Users\\Admin\\AppData\\Roaming\\YLcqPJe\\YLcqPJe.exe"	MSBuild.exe

Looks up external IP address via web service 1 IoCs

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

flow	ioc
46	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1780 set thread context of 32	1780	QUOTE #21440170.exe	85

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1988	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1780	QUOTE #21440170.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1780	QUOTE #21440170.exe
Token: SeDebugPrivilege	32	MSBuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1780 wrote to memory of 1988	1780	QUOTE #21440170.exe	83
PID 1780 wrote to memory of 1988	1780	QUOTE #21440170.exe	83
PID 1780 wrote to memory of 1988	1780	QUOTE #21440170.exe	83
PID 1780 wrote to memory of 32	1780	QUOTE #21440170.exe	85
PID 1780 wrote to memory of 32	1780	QUOTE #21440170.exe	85
PID 1780 wrote to memory of 32	1780	QUOTE #21440170.exe	85
PID 1780 wrote to memory of 32	1780	QUOTE #21440170.exe	85
PID 1780 wrote to memory of 32	1780	QUOTE #21440170.exe	85
PID 1780 wrote to memory of 32	1780	QUOTE #21440170.exe	85
PID 1780 wrote to memory of 32	1780	QUOTE #21440170.exe	85
PID 1780 wrote to memory of 32	1780	QUOTE #21440170.exe	85

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\QUOTE #21440170.exe
"C:\Users\Admin\AppData\Local\Temp\QUOTE #21440170.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1780
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jvHHTwCVEuk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD5A4.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1988
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:32

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD5A4.tmp

Filesize
1KB

MD5
2873582b8e271973d0fd3301f7aef312

SHA1
10f3ad09d360d17f711fc4d9d567a6d8a3c80b31

SHA256
7d781d7c4e937e7b9ca7d41c31fbe1a8762b69a9af09a9001cbe67ae960d693f

SHA512
5516a69f7464b126513037cc3c10f7b355e5b16820750135dff8d2d8017366f65da785e8bcfcd091395ed82f42158f487ba8707f89987fd2e0f7b8050134057e

Download Submit
memory/32-151-0x0000000006930000-0x0000000006AF2000-memory.dmp

Filesize
1.8MB

Download
memory/32-150-0x0000000006710000-0x0000000006760000-memory.dmp

Filesize
320KB

Download
memory/32-148-0x0000000004F00000-0x0000000004F10000-memory.dmp

Filesize
64KB

Download
memory/32-147-0x0000000004F00000-0x0000000004F10000-memory.dmp

Filesize
64KB

Download
memory/32-146-0x0000000004DD0000-0x0000000004E36000-memory.dmp

Filesize
408KB

Download
memory/32-144-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1780-136-0x00000000055A0000-0x0000000005632000-memory.dmp

Filesize
584KB

Download
memory/1780-140-0x00000000057B0000-0x00000000057C0000-memory.dmp

Filesize
64KB

Download
memory/1780-139-0x00000000057B0000-0x00000000057C0000-memory.dmp

Filesize
64KB

Download
memory/1780-138-0x00000000056A0000-0x00000000056F6000-memory.dmp

Filesize
344KB

Download
memory/1780-137-0x00000000054C0000-0x00000000054CA000-memory.dmp

Filesize
40KB

Download
memory/1780-133-0x0000000000A50000-0x0000000000B02000-memory.dmp

Filesize
712KB

Download
memory/1780-135-0x0000000005B50000-0x00000000060F4000-memory.dmp

Filesize
5.6MB

Download
memory/1780-134-0x0000000005500000-0x000000000559C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads