agenttesla | 798ac7fec4d7f0dae13b926df39114396165281abd897774aace810e3c293606

General

Target

purchase-Order20200910_pdf.exe
Size

1.3MB
MD5

32489a1c52e2d01f126f44a5f0f3c059
SHA1

7d94c5f3c20ab2c315c2a62b38de61ded4cece5d
SHA256

aa7bb4cef770d1c8fe06f5e4d7a0bff3c2947df233dd5c78f731a154c07f5013
SHA512

ee70bc23e8d0eae9507b95a01628977f09eed6c1689fa9e627b7d5eed6b15b71418fd7ac474b77474e678c12e2cc078bcd9f1fa287c0898adb5ec9ddabd6d318
SSDEEP

24576:cQtI9fqDlRzkeqByXghDBH+fWGfFXg0wkHHS41WLQe:VvRjqVhliWSXggnS41WL

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
lilkooll1234

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
lilkooll1234

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/4840-5-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
T1552.001
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
T1552.001
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
T1552.001
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase-Order20200910_pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase-Order20200910_pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase-Order20200910_pdf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1664 set thread context of 4840	1664	purchase-Order20200910_pdf.exe	104

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	purchase-Order20200910_pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	purchase-Order20200910_pdf.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1664	purchase-Order20200910_pdf.exe
1664	purchase-Order20200910_pdf.exe
4840	purchase-Order20200910_pdf.exe
4840	purchase-Order20200910_pdf.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1664	purchase-Order20200910_pdf.exe
Token: SeDebugPrivilege	4840	purchase-Order20200910_pdf.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1664 wrote to memory of 1600	1664	purchase-Order20200910_pdf.exe	103
PID 1664 wrote to memory of 1600	1664	purchase-Order20200910_pdf.exe	103
PID 1664 wrote to memory of 1600	1664	purchase-Order20200910_pdf.exe	103
PID 1664 wrote to memory of 4840	1664	purchase-Order20200910_pdf.exe	104
PID 1664 wrote to memory of 4840	1664	purchase-Order20200910_pdf.exe	104
PID 1664 wrote to memory of 4840	1664	purchase-Order20200910_pdf.exe	104
PID 1664 wrote to memory of 4840	1664	purchase-Order20200910_pdf.exe	104
PID 1664 wrote to memory of 4840	1664	purchase-Order20200910_pdf.exe	104
PID 1664 wrote to memory of 4840	1664	purchase-Order20200910_pdf.exe	104
PID 1664 wrote to memory of 4840	1664	purchase-Order20200910_pdf.exe	104
PID 1664 wrote to memory of 4840	1664	purchase-Order20200910_pdf.exe	104

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase-Order20200910_pdf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase-Order20200910_pdf.exe

C:\Users\Admin\AppData\Local\Temp\purchase-Order20200910_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\purchase-Order20200910_pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1664
- C:\Users\Admin\AppData\Local\Temp\purchase-Order20200910_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\purchase-Order20200910_pdf.exe"
  2⤵
  PID:1600
- C:\Users\Admin\AppData\Local\Temp\purchase-Order20200910_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\purchase-Order20200910_pdf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4840

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4216,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=4076 /prefetch:8
1⤵
PID:1840

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

5

T1552

Credentials In Files

4

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\purchase-Order20200910_pdf.exe.log

Filesize
712B

MD5
d79b2b8e16e03377f4bfb1257f728f37

SHA1
6c02783969ed970baccedfd2ca65b3acf4639fcc

SHA256
9f9056477252a1535ed5a67763e5e0412f2da3df887a5daaa2e315e7bfee0ac1

SHA512
482349681f51666e7d331ac1ad8ef974edd3630dff475c7f188ed3b0bf27f6725c904fa7f5e1a3bc76889c6280505cd6b3d9c484d6172170a6672138d9a580f5

Download Submit
memory/1664-3-0x00000000746A2000-0x00000000746A3000-memory.dmp

Filesize
4KB

Download
memory/1664-2-0x00000000746A0000-0x0000000074C51000-memory.dmp

Filesize
5.7MB

Download
memory/1664-0-0x00000000746A2000-0x00000000746A3000-memory.dmp

Filesize
4KB

Download
memory/1664-4-0x00000000746A0000-0x0000000074C51000-memory.dmp

Filesize
5.7MB

Download
memory/1664-1-0x00000000746A0000-0x0000000074C51000-memory.dmp

Filesize
5.7MB

Download
memory/1664-9-0x00000000746A0000-0x0000000074C51000-memory.dmp

Filesize
5.7MB

Download
memory/4840-5-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/4840-8-0x00000000746A0000-0x0000000074C51000-memory.dmp

Filesize
5.7MB

Download
memory/4840-10-0x00000000746A0000-0x0000000074C51000-memory.dmp

Filesize
5.7MB

Download
memory/4840-11-0x00000000746A0000-0x0000000074C51000-memory.dmp

Filesize
5.7MB

Download
memory/4840-12-0x00000000746A0000-0x0000000074C51000-memory.dmp

Filesize
5.7MB

Download
memory/4840-13-0x00000000746A0000-0x0000000074C51000-memory.dmp

Filesize
5.7MB

Download
memory/4840-14-0x00000000746A0000-0x0000000074C51000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads