agenttesla | e5dbce139ab26dc9f743ca4161894d49adddd7c9bd0f1ac4adf4177aec479b69

General

Target

file.exe
Size

574KB
MD5

153bed9772c83355fafea2e3671a540f
SHA1

63d150d84515394da50a5355a2a8cf84163fcef1
SHA256

e5dbce139ab26dc9f743ca4161894d49adddd7c9bd0f1ac4adf4177aec479b69
SHA512

092464664a04ae154bc4ecfb99f7ff017af73314941afa2027f7b17560f187cdd84d81e001e705b5fd3a98391263afab3e51219421d4749b4176e93c09430c3f
SSDEEP

12288:B0pNxBRzXjZBXm2Po0AWQpwdyufZwsivoa1rOL9sz:B0Jz9NARJw1Zwz6

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
kV$bSqJ1 daniel
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3419557010-3639509551-242374962-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe
Key opened	\REGISTRY\USER\S-1-5-21-3419557010-3639509551-242374962-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe
Key opened	\REGISTRY\USER\S-1-5-21-3419557010-3639509551-242374962-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.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-1-5-21-3419557010-3639509551-242374962-1000\Software\Microsoft\Windows\CurrentVersion\Run\sOFvE = "C:\\Users\\Admin\\AppData\\Roaming\\sOFvE\\sOFvE.exe"	file.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
5	api.ipify.org
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 844 set thread context of 1744	844	file.exe	32

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
1680	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
844	file.exe
844	file.exe
672	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	844	file.exe
Token: SeDebugPrivilege	1744	file.exe
Token: SeDebugPrivilege	672	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 844 wrote to memory of 672	844	file.exe	28
PID 844 wrote to memory of 672	844	file.exe	28
PID 844 wrote to memory of 672	844	file.exe	28
PID 844 wrote to memory of 672	844	file.exe	28
PID 844 wrote to memory of 1680	844	file.exe	30
PID 844 wrote to memory of 1680	844	file.exe	30
PID 844 wrote to memory of 1680	844	file.exe	30
PID 844 wrote to memory of 1680	844	file.exe	30
PID 844 wrote to memory of 1744	844	file.exe	32
PID 844 wrote to memory of 1744	844	file.exe	32
PID 844 wrote to memory of 1744	844	file.exe	32
PID 844 wrote to memory of 1744	844	file.exe	32
PID 844 wrote to memory of 1744	844	file.exe	32
PID 844 wrote to memory of 1744	844	file.exe	32
PID 844 wrote to memory of 1744	844	file.exe	32
PID 844 wrote to memory of 1744	844	file.exe	32
PID 844 wrote to memory of 1744	844	file.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3419557010-3639509551-242374962-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3419557010-3639509551-242374962-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:844
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\cpHEVhhhe.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:672
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cpHEVhhhe" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC997.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1680
- C:\Users\Admin\AppData\Local\Temp\file.exe
  "C:\Users\Admin\AppData\Local\Temp\file.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1744

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

Credentials in Files

3

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

C:\Users\Admin\AppData\Local\Temp\CabF2EA.tmp

Filesize
62KB

MD5
3ac860860707baaf32469fa7cc7c0192

SHA1
c33c2acdaba0e6fa41fd2f00f186804722477639

SHA256
d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

SHA512
d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC997.tmp

Filesize
1KB

MD5
9b6b5e157f1d0562c4d3d879450ed92a

SHA1
70b400a1c86f1d677c5c52589f695a6134b2e64c

SHA256
0ca0659259be4235538845f7148b50dd077b976ba547ccddbc701439a7bb248d

SHA512
82c6235609e46ae4fcf1b7749b932b9ad45538029720fa277b95f182e27a187afd70790a8065062584596c35278d06e3483b7fc5480a436a6417231b454fdb37

Download Submit
memory/672-78-0x0000000002190000-0x00000000021D0000-memory.dmp

Filesize
256KB

Download
memory/844-55-0x0000000004A40000-0x0000000004A80000-memory.dmp

Filesize
256KB

Download
memory/844-56-0x0000000000300000-0x000000000030C000-memory.dmp

Filesize
48KB

Download
memory/844-57-0x0000000004A40000-0x0000000004A80000-memory.dmp

Filesize
256KB

Download
memory/844-58-0x0000000000330000-0x000000000033C000-memory.dmp

Filesize
48KB

Download
memory/844-59-0x0000000007F20000-0x0000000007F8A000-memory.dmp

Filesize
424KB

Download
memory/844-54-0x0000000000EE0000-0x0000000000F76000-memory.dmp

Filesize
600KB

Download
memory/1744-69-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1744-70-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1744-72-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1744-68-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1744-74-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1744-76-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1744-77-0x0000000004F10000-0x0000000004F50000-memory.dmp

Filesize
256KB

Download
memory/1744-71-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1744-67-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1744-96-0x0000000004F10000-0x0000000004F50000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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