agenttesla | bf5350ce6f93c6c636bab216b29a54c2b06ee0be934535be42b038064c9cb69d

General

Target

3ac8204d7b4bae620e1147c97abab1ad7df8cde8362693695afec957fb21de47.exe
Size

476KB
MD5

f700334aa8c700d12da3a237c9537664
SHA1

7480be8830261a6e47976a8eda7221a415f1c829
SHA256

3ac8204d7b4bae620e1147c97abab1ad7df8cde8362693695afec957fb21de47
SHA512

86c9e1bf2042bdd8bef14cdce9fc7e6a4897a5fc32fc1e8713df6c6495f983b045c02c0dccf5c5814ebcf9f7f42aa4f9ff3d5f3615a0c4b95fec1c70b171f7e5
SSDEEP

12288:VTHdOWOGbAwcd2tUKEEnRXi+Q+g79tXdrjKSQ:V5OWRhcQbRYTXNj

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.gmail.com
Port:
587
Username:
[email protected]
Password:
baorhihusmusqbnx

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/4404-11-0x0000000000400000-0x000000000043C000-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-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3ac8204d7b4bae620e1147c97abab1ad7df8cde8362693695afec957fb21de47.exe
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3ac8204d7b4bae620e1147c97abab1ad7df8cde8362693695afec957fb21de47.exe
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3ac8204d7b4bae620e1147c97abab1ad7df8cde8362693695afec957fb21de47.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 920 set thread context of 4404	920	3ac8204d7b4bae620e1147c97abab1ad7df8cde8362693695afec957fb21de47.exe	95

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	3ac8204d7b4bae620e1147c97abab1ad7df8cde8362693695afec957fb21de47.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3ac8204d7b4bae620e1147c97abab1ad7df8cde8362693695afec957fb21de47.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4404	3ac8204d7b4bae620e1147c97abab1ad7df8cde8362693695afec957fb21de47.exe
4404	3ac8204d7b4bae620e1147c97abab1ad7df8cde8362693695afec957fb21de47.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4404	3ac8204d7b4bae620e1147c97abab1ad7df8cde8362693695afec957fb21de47.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 920 wrote to memory of 4404	920	3ac8204d7b4bae620e1147c97abab1ad7df8cde8362693695afec957fb21de47.exe	95
PID 920 wrote to memory of 4404	920	3ac8204d7b4bae620e1147c97abab1ad7df8cde8362693695afec957fb21de47.exe	95
PID 920 wrote to memory of 4404	920	3ac8204d7b4bae620e1147c97abab1ad7df8cde8362693695afec957fb21de47.exe	95
PID 920 wrote to memory of 4404	920	3ac8204d7b4bae620e1147c97abab1ad7df8cde8362693695afec957fb21de47.exe	95
PID 920 wrote to memory of 4404	920	3ac8204d7b4bae620e1147c97abab1ad7df8cde8362693695afec957fb21de47.exe	95
PID 920 wrote to memory of 4404	920	3ac8204d7b4bae620e1147c97abab1ad7df8cde8362693695afec957fb21de47.exe	95
PID 920 wrote to memory of 4404	920	3ac8204d7b4bae620e1147c97abab1ad7df8cde8362693695afec957fb21de47.exe	95
PID 920 wrote to memory of 4404	920	3ac8204d7b4bae620e1147c97abab1ad7df8cde8362693695afec957fb21de47.exe	95

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3ac8204d7b4bae620e1147c97abab1ad7df8cde8362693695afec957fb21de47.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3ac8204d7b4bae620e1147c97abab1ad7df8cde8362693695afec957fb21de47.exe

C:\Users\Admin\AppData\Local\Temp\3ac8204d7b4bae620e1147c97abab1ad7df8cde8362693695afec957fb21de47.exe
"C:\Users\Admin\AppData\Local\Temp\3ac8204d7b4bae620e1147c97abab1ad7df8cde8362693695afec957fb21de47.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:920
- C:\Users\Admin\AppData\Local\Temp\3ac8204d7b4bae620e1147c97abab1ad7df8cde8362693695afec957fb21de47.exe
  "C:\Users\Admin\AppData\Local\Temp\3ac8204d7b4bae620e1147c97abab1ad7df8cde8362693695afec957fb21de47.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:4404

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

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Downloads

memory/920-10-0x000000000A550000-0x000000000A5B0000-memory.dmp

Filesize
384KB

Download
memory/920-9-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/920-2-0x0000000005A70000-0x0000000006014000-memory.dmp

Filesize
5.6MB

Download
memory/920-3-0x00000000054C0000-0x0000000005552000-memory.dmp

Filesize
584KB

Download
memory/920-4-0x0000000005480000-0x000000000548A000-memory.dmp

Filesize
40KB

Download
memory/920-5-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/920-6-0x000000000A5B0000-0x000000000A64C000-memory.dmp

Filesize
624KB

Download
memory/920-7-0x000000000A510000-0x000000000A51E000-memory.dmp

Filesize
56KB

Download
memory/920-8-0x0000000074D0E000-0x0000000074D0F000-memory.dmp

Filesize
4KB

Download
memory/920-14-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/920-1-0x0000000000A00000-0x0000000000A80000-memory.dmp

Filesize
512KB

Download
memory/920-0-0x0000000074D0E000-0x0000000074D0F000-memory.dmp

Filesize
4KB

Download
memory/4404-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4404-13-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/4404-15-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/4404-16-0x0000000005500000-0x0000000005518000-memory.dmp

Filesize
96KB

Download
memory/4404-17-0x0000000006190000-0x00000000061F6000-memory.dmp

Filesize
408KB

Download
memory/4404-18-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/4404-19-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/4404-20-0x00000000067B0000-0x0000000006800000-memory.dmp

Filesize
320KB

Download
memory/4404-21-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/4404-22-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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