agenttesla | 9be04a6e09ffd0487845f8a81e1803f13063318bfe8b046879ca813bdb19b4a8

General

Target

9be04a6e09ffd0487845f8a81e1803f13063318bfe8b046879ca813bdb19b4a8.exe
Size

852KB
MD5

4e036eb64980025f6dccc33445103468
SHA1

b80ad79ed0e04a54eb9227b258a14cbcdb40d294
SHA256

9be04a6e09ffd0487845f8a81e1803f13063318bfe8b046879ca813bdb19b4a8
SHA512

800fca3fbc4117bdbdbeddd5b9e1ffeb505e548b962e567afa0168dc9db324c4bf859dd87989568d4a3af1736c7009d39cecb719c554694bcf1137e941ca5be5
SSDEEP

12288:j0Znx1Zfawr7inq8OyEQOopDloIt77/DN+81cL+xg/m12qD74VYX:ux1Zfn7inuwhtDFN+8WC

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
serv-10708.handsonwebhosting.com
Port:
587
Username:
[email protected]
Password:
icui4cu2@@

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/4524-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	9be04a6e09ffd0487845f8a81e1803f13063318bfe8b046879ca813bdb19b4a8.exe

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 3 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

Credentials from Web Browsers
T1555.003
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-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9be04a6e09ffd0487845f8a81e1803f13063318bfe8b046879ca813bdb19b4a8.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9be04a6e09ffd0487845f8a81e1803f13063318bfe8b046879ca813bdb19b4a8.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9be04a6e09ffd0487845f8a81e1803f13063318bfe8b046879ca813bdb19b4a8.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1344 set thread context of 4524	1344	9be04a6e09ffd0487845f8a81e1803f13063318bfe8b046879ca813bdb19b4a8.exe	98

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	9be04a6e09ffd0487845f8a81e1803f13063318bfe8b046879ca813bdb19b4a8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9be04a6e09ffd0487845f8a81e1803f13063318bfe8b046879ca813bdb19b4a8.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4524	9be04a6e09ffd0487845f8a81e1803f13063318bfe8b046879ca813bdb19b4a8.exe
4524	9be04a6e09ffd0487845f8a81e1803f13063318bfe8b046879ca813bdb19b4a8.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4524	9be04a6e09ffd0487845f8a81e1803f13063318bfe8b046879ca813bdb19b4a8.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1344 wrote to memory of 4524	1344	9be04a6e09ffd0487845f8a81e1803f13063318bfe8b046879ca813bdb19b4a8.exe	98
PID 1344 wrote to memory of 4524	1344	9be04a6e09ffd0487845f8a81e1803f13063318bfe8b046879ca813bdb19b4a8.exe	98
PID 1344 wrote to memory of 4524	1344	9be04a6e09ffd0487845f8a81e1803f13063318bfe8b046879ca813bdb19b4a8.exe	98
PID 1344 wrote to memory of 4524	1344	9be04a6e09ffd0487845f8a81e1803f13063318bfe8b046879ca813bdb19b4a8.exe	98
PID 1344 wrote to memory of 4524	1344	9be04a6e09ffd0487845f8a81e1803f13063318bfe8b046879ca813bdb19b4a8.exe	98
PID 1344 wrote to memory of 4524	1344	9be04a6e09ffd0487845f8a81e1803f13063318bfe8b046879ca813bdb19b4a8.exe	98
PID 1344 wrote to memory of 4524	1344	9be04a6e09ffd0487845f8a81e1803f13063318bfe8b046879ca813bdb19b4a8.exe	98
PID 1344 wrote to memory of 4524	1344	9be04a6e09ffd0487845f8a81e1803f13063318bfe8b046879ca813bdb19b4a8.exe	98

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9be04a6e09ffd0487845f8a81e1803f13063318bfe8b046879ca813bdb19b4a8.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9be04a6e09ffd0487845f8a81e1803f13063318bfe8b046879ca813bdb19b4a8.exe

C:\Users\Admin\AppData\Local\Temp\9be04a6e09ffd0487845f8a81e1803f13063318bfe8b046879ca813bdb19b4a8.exe
"C:\Users\Admin\AppData\Local\Temp\9be04a6e09ffd0487845f8a81e1803f13063318bfe8b046879ca813bdb19b4a8.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1344
- C:\Users\Admin\AppData\Local\Temp\9be04a6e09ffd0487845f8a81e1803f13063318bfe8b046879ca813bdb19b4a8.exe
  "{path}"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4524

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/1344-10-0x0000000005BA0000-0x0000000005C2E000-memory.dmp

Filesize
568KB

Download
memory/1344-15-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/1344-0-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

Filesize
4KB

Download
memory/1344-3-0x0000000007A80000-0x0000000007B12000-memory.dmp

Filesize
584KB

Download
memory/1344-4-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/1344-5-0x0000000005050000-0x000000000505A000-memory.dmp

Filesize
40KB

Download
memory/1344-6-0x00000000056C0000-0x000000000575C000-memory.dmp

Filesize
624KB

Download
memory/1344-7-0x0000000005630000-0x0000000005638000-memory.dmp

Filesize
32KB

Download
memory/1344-8-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

Filesize
4KB

Download
memory/1344-11-0x00000000060E0000-0x0000000006128000-memory.dmp

Filesize
288KB

Download
memory/1344-2-0x0000000007F50000-0x00000000084F4000-memory.dmp

Filesize
5.6MB

Download
memory/1344-1-0x0000000000AE0000-0x0000000000BBC000-memory.dmp

Filesize
880KB

Download
memory/1344-9-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/4524-24-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/4524-14-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/4524-16-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/4524-17-0x00000000058C0000-0x00000000058D8000-memory.dmp

Filesize
96KB

Download
memory/4524-18-0x0000000006590000-0x00000000065F6000-memory.dmp

Filesize
408KB

Download
memory/4524-19-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/4524-20-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/4524-22-0x0000000006AC0000-0x0000000006B10000-memory.dmp

Filesize
320KB

Download
memory/4524-23-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/4524-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

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