agenttesla | 37da8f89540f4dae114f1f55cfd4d89be9582fbd480ac6ed6c34ac04ec8d576b

General

Target

payment copy.pdf.exe
Size

874KB
MD5

19b12dc02fe474dead3c44c468554d6f
SHA1

9407e38cea8b04705f433a7cb91ec25fda611263
SHA256

3ccaf74f465a79ec320fdb7e44ae09551f4348efd3bf8bf7b3638cc0c1cd8492
SHA512

2ede1e930e060451ebba68396cca0eb4a7dd3c65a2b0039f87dd687a5f8876db58d14add581303de9ab890865fba312b0db1f3c2cc324bf9584a10993cec4ad3
SSDEEP

12288:knoQgKZ/nXt7virmWhlGLaQYImptNmkEcPbiZx8JCozVpSs8X45jOCXJWfBhib6S:kGNwK+EJCozno4RQZwbUIxxF/Xzr

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.reousaomilia.gr
Port:
587
Username:
[email protected]
Password:
nora2020!
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

Processes:

payment copy.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	payment copy.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	payment copy.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	payment copy.pdf.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.

Processes:

flow ioc

5 api.ipify.org
4 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

payment copy.pdf.exe

description pid process target process

PID 1064 set thread context of 1240 1064 payment copy.pdf.exe payment copy.pdf.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

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

Processes:

schtasks.exe

pid process

1204 schtasks.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

payment copy.pdf.exepayment copy.pdf.exepowershell.exe

pid process

1064 payment copy.pdf.exe
1064 payment copy.pdf.exe
1240 payment copy.pdf.exe
1240 payment copy.pdf.exe
268 powershell.exe
1240 payment copy.pdf.exe

flow	ioc
5	api.ipify.org
4	api.ipify.org

description	pid	process	target process
PID 1064 set thread context of 1240	1064	payment copy.pdf.exe	payment copy.pdf.exe

pid	process
1204	schtasks.exe

pid	process
1064	payment copy.pdf.exe
1064	payment copy.pdf.exe
1240	payment copy.pdf.exe
1240	payment copy.pdf.exe
268	powershell.exe
1240	payment copy.pdf.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

payment copy.pdf.exepayment copy.pdf.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1064	payment copy.pdf.exe
Token: SeDebugPrivilege	1240	payment copy.pdf.exe
Token: SeDebugPrivilege	268	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

payment copy.pdf.exe

pid process

1240 payment copy.pdf.exe

pid	process
1240	payment copy.pdf.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

payment copy.pdf.exe

description	pid	process	target process
PID 1064 wrote to memory of 268	1064	payment copy.pdf.exe	powershell.exe
PID 1064 wrote to memory of 268	1064	payment copy.pdf.exe	powershell.exe
PID 1064 wrote to memory of 268	1064	payment copy.pdf.exe	powershell.exe
PID 1064 wrote to memory of 268	1064	payment copy.pdf.exe	powershell.exe
PID 1064 wrote to memory of 1204	1064	payment copy.pdf.exe	schtasks.exe
PID 1064 wrote to memory of 1204	1064	payment copy.pdf.exe	schtasks.exe
PID 1064 wrote to memory of 1204	1064	payment copy.pdf.exe	schtasks.exe
PID 1064 wrote to memory of 1204	1064	payment copy.pdf.exe	schtasks.exe
PID 1064 wrote to memory of 1240	1064	payment copy.pdf.exe	payment copy.pdf.exe
PID 1064 wrote to memory of 1240	1064	payment copy.pdf.exe	payment copy.pdf.exe
PID 1064 wrote to memory of 1240	1064	payment copy.pdf.exe	payment copy.pdf.exe
PID 1064 wrote to memory of 1240	1064	payment copy.pdf.exe	payment copy.pdf.exe
PID 1064 wrote to memory of 1240	1064	payment copy.pdf.exe	payment copy.pdf.exe
PID 1064 wrote to memory of 1240	1064	payment copy.pdf.exe	payment copy.pdf.exe
PID 1064 wrote to memory of 1240	1064	payment copy.pdf.exe	payment copy.pdf.exe
PID 1064 wrote to memory of 1240	1064	payment copy.pdf.exe	payment copy.pdf.exe
PID 1064 wrote to memory of 1240	1064	payment copy.pdf.exe	payment copy.pdf.exe

outlook_office_path 1 IoCs

Processes:

payment copy.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	payment copy.pdf.exe

outlook_win_path 1 IoCs

Processes:

payment copy.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	payment copy.pdf.exe

C:\Users\Admin\AppData\Local\Temp\payment copy.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\payment copy.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1064
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FpsFCIpjUIzS.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:268
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FpsFCIpjUIzS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA5A3.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1204
- C:\Users\Admin\AppData\Local\Temp\payment copy.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\payment copy.pdf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1240

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

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\tmpA5A3.tmp

Filesize
1KB

MD5
f68dfdfa98b0bd0af03a1bc2d9e12031

SHA1
b98229e8685a397a8c8a669bc6afe80cc7c1e069

SHA256
1c12bf5a4e1459512224199edaa1b1660d69a90011aca5ec03504983f8a1482a

SHA512
40d23d33bc024d636d8efe768d64ba7a5061c375642ec731ee40b5fd2b4877945e8b236e07defc8961a2e8d63fc7d7f4cafd98fef236b47a788a2ffdff3ce02b

Download Submit
memory/268-59-0x0000000000000000-mapping.dmp

Download
memory/268-77-0x000000006EBE0000-0x000000006F18B000-memory.dmp

Filesize
5.7MB

Download
memory/268-76-0x000000006EBE0000-0x000000006F18B000-memory.dmp

Filesize
5.7MB

Download
memory/1064-63-0x0000000007ED0000-0x0000000007F2C000-memory.dmp

Filesize
368KB

Download
memory/1064-58-0x0000000007DD0000-0x0000000007E64000-memory.dmp

Filesize
592KB

Download
memory/1064-57-0x0000000000470000-0x000000000047E000-memory.dmp

Filesize
56KB

Download
memory/1064-54-0x0000000000950000-0x0000000000A32000-memory.dmp

Filesize
904KB

Download
memory/1064-55-0x0000000075BB1000-0x0000000075BB3000-memory.dmp

Filesize
8KB

Download
memory/1064-56-0x0000000000460000-0x0000000000476000-memory.dmp

Filesize
88KB

Download
memory/1204-60-0x0000000000000000-mapping.dmp

Download
memory/1240-67-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1240-68-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1240-70-0x00000000004324EE-mapping.dmp

Download
memory/1240-69-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1240-72-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1240-74-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1240-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1240-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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