agenttesla | 44e849db1720b5792bd5fdaaa836febe70b46f16dd3bc34575a1dfa5c9cb76bc

General

Target

Dhl Contact Form.exe
Size

727KB
MD5

fcad5da5a6979b13f69461436c7d70d3
SHA1

b2cbe7e8642e234d541c3734f328375b0473f6f3
SHA256

a8e3aa38bc5411b933613c703086a892234231639204d40df93831d6062423c7
SHA512

42ad6ed4d26fd49255b497d20176c74c6d55520f1265cfd2c7bf1f1f46741be92be148d4402e3e3990e8f27a4996fa47da20c61f5fff94f3cd000589ccc125d2
SSDEEP

12288:x3QrPihTKSNDJkJVYMiLmnA+p+4BM/EzOU3nFtdPZcryfNvf5z76msfyaEyobpoa:xdTKEoh/nlOgthceFfl75xyESTNbQ

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.picprotect.ro
Port:
587
Username:
[email protected]
Password:
marketing

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/4236-5-0x0000000000400000-0x0000000000466000-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-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Dhl Contact Form.exe
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Dhl Contact Form.exe
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Dhl Contact Form.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4104 set thread context of 4236	4104	Dhl Contact Form.exe	94

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	Dhl Contact Form.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Dhl Contact Form.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4236	Dhl Contact Form.exe
4236	Dhl Contact Form.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4236	Dhl Contact Form.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4236	Dhl Contact Form.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4104 wrote to memory of 4236	4104	Dhl Contact Form.exe	94
PID 4104 wrote to memory of 4236	4104	Dhl Contact Form.exe	94
PID 4104 wrote to memory of 4236	4104	Dhl Contact Form.exe	94
PID 4104 wrote to memory of 4236	4104	Dhl Contact Form.exe	94
PID 4104 wrote to memory of 4236	4104	Dhl Contact Form.exe	94
PID 4104 wrote to memory of 4236	4104	Dhl Contact Form.exe	94
PID 4104 wrote to memory of 4236	4104	Dhl Contact Form.exe	94
PID 4104 wrote to memory of 4236	4104	Dhl Contact Form.exe	94

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Dhl Contact Form.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Dhl Contact Form.exe

C:\Users\Admin\AppData\Local\Temp\Dhl Contact Form.exe
"C:\Users\Admin\AppData\Local\Temp\Dhl Contact Form.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4104
- C:\Users\Admin\AppData\Local\Temp\Dhl Contact Form.exe
  "C:\Users\Admin\AppData\Local\Temp\Dhl Contact Form.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:4236

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\Dhl Contact Form.exe.log

Filesize
594B

MD5
fdb26b3b547022b45cfaeee57eafd566

SHA1
11c6798b8a59233f404014c5e79b3363cd564b37

SHA256
2707fc7f074413881b7bafca05079327b188db6005709951e7f69d39a2af97c0

SHA512
44d9bb8c0f0b341690d00eda86e15a50f7f29ce9595925c1a2a7e19ad26202d10049a7a97bea278ecb7d429ad555de8edceeffff664d4b06309a9410a09bb700

Download Submit
memory/4104-0-0x0000000074632000-0x0000000074633000-memory.dmp

Filesize
4KB

Download
memory/4104-1-0x0000000074630000-0x0000000074BE1000-memory.dmp

Filesize
5.7MB

Download
memory/4104-2-0x0000000074630000-0x0000000074BE1000-memory.dmp

Filesize
5.7MB

Download
memory/4104-3-0x0000000074632000-0x0000000074633000-memory.dmp

Filesize
4KB

Download
memory/4104-4-0x0000000074630000-0x0000000074BE1000-memory.dmp

Filesize
5.7MB

Download
memory/4104-10-0x0000000074630000-0x0000000074BE1000-memory.dmp

Filesize
5.7MB

Download
memory/4236-9-0x0000000074630000-0x0000000074BE1000-memory.dmp

Filesize
5.7MB

Download
memory/4236-8-0x0000000074630000-0x0000000074BE1000-memory.dmp

Filesize
5.7MB

Download
memory/4236-11-0x0000000074630000-0x0000000074BE1000-memory.dmp

Filesize
5.7MB

Download
memory/4236-5-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/4236-12-0x0000000074630000-0x0000000074BE1000-memory.dmp

Filesize
5.7MB

Download
memory/4236-13-0x0000000074630000-0x0000000074BE1000-memory.dmp

Filesize
5.7MB

Download
memory/4236-14-0x0000000074630000-0x0000000074BE1000-memory.dmp

Filesize
5.7MB

Download
memory/4236-15-0x0000000074630000-0x0000000074BE1000-memory.dmp

Filesize
5.7MB

Download
memory/4236-16-0x0000000074630000-0x0000000074BE1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing