agenttesla | 14e293debe857a77631af0fbcd9540f3c9279f502996b36698e355d907e2d7c3

General

Target

aa4ad6d6d4ac2d0e32a895dbe8f8537f7e82d061a4abea02462a7a4c51cc8b50.exe
Size

537KB
MD5

8d5bb7ad4e2c5ba6f53c7a35d32d021f
SHA1

5aa6d8ccf475906c2a9fcc0c6d8455bc50974afe
SHA256

aa4ad6d6d4ac2d0e32a895dbe8f8537f7e82d061a4abea02462a7a4c51cc8b50
SHA512

a5d7bacf4e2fa533d18e02b093399b46a3377d89b4ab9050be76aaf619f83af7a80d0dfa4ba8bf6a148219608f6c5fdb39a2ffc3c6dcb6dcd49de0519fe0c165
SSDEEP

12288:ueK1S/XHZG4Uc4u3rgBXRc3lvfrREKGH1Dj:ueRBUZHcVr5GV3

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 5 IoCs

resource	yara_rule
behavioral1/memory/3064-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/3064-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/3064-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/3064-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/3064-11-0x0000000000400000-0x000000000043C000-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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aa4ad6d6d4ac2d0e32a895dbe8f8537f7e82d061a4abea02462a7a4c51cc8b50.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aa4ad6d6d4ac2d0e32a895dbe8f8537f7e82d061a4abea02462a7a4c51cc8b50.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aa4ad6d6d4ac2d0e32a895dbe8f8537f7e82d061a4abea02462a7a4c51cc8b50.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2932 set thread context of 3064	2932	aa4ad6d6d4ac2d0e32a895dbe8f8537f7e82d061a4abea02462a7a4c51cc8b50.exe	32

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	aa4ad6d6d4ac2d0e32a895dbe8f8537f7e82d061a4abea02462a7a4c51cc8b50.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aa4ad6d6d4ac2d0e32a895dbe8f8537f7e82d061a4abea02462a7a4c51cc8b50.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2932	aa4ad6d6d4ac2d0e32a895dbe8f8537f7e82d061a4abea02462a7a4c51cc8b50.exe
2932	aa4ad6d6d4ac2d0e32a895dbe8f8537f7e82d061a4abea02462a7a4c51cc8b50.exe
3064	aa4ad6d6d4ac2d0e32a895dbe8f8537f7e82d061a4abea02462a7a4c51cc8b50.exe
3064	aa4ad6d6d4ac2d0e32a895dbe8f8537f7e82d061a4abea02462a7a4c51cc8b50.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2932	aa4ad6d6d4ac2d0e32a895dbe8f8537f7e82d061a4abea02462a7a4c51cc8b50.exe
Token: SeDebugPrivilege	3064	aa4ad6d6d4ac2d0e32a895dbe8f8537f7e82d061a4abea02462a7a4c51cc8b50.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 2572	2932	aa4ad6d6d4ac2d0e32a895dbe8f8537f7e82d061a4abea02462a7a4c51cc8b50.exe	31
PID 2932 wrote to memory of 2572	2932	aa4ad6d6d4ac2d0e32a895dbe8f8537f7e82d061a4abea02462a7a4c51cc8b50.exe	31
PID 2932 wrote to memory of 2572	2932	aa4ad6d6d4ac2d0e32a895dbe8f8537f7e82d061a4abea02462a7a4c51cc8b50.exe	31
PID 2932 wrote to memory of 2572	2932	aa4ad6d6d4ac2d0e32a895dbe8f8537f7e82d061a4abea02462a7a4c51cc8b50.exe	31
PID 2932 wrote to memory of 3064	2932	aa4ad6d6d4ac2d0e32a895dbe8f8537f7e82d061a4abea02462a7a4c51cc8b50.exe	32
PID 2932 wrote to memory of 3064	2932	aa4ad6d6d4ac2d0e32a895dbe8f8537f7e82d061a4abea02462a7a4c51cc8b50.exe	32
PID 2932 wrote to memory of 3064	2932	aa4ad6d6d4ac2d0e32a895dbe8f8537f7e82d061a4abea02462a7a4c51cc8b50.exe	32
PID 2932 wrote to memory of 3064	2932	aa4ad6d6d4ac2d0e32a895dbe8f8537f7e82d061a4abea02462a7a4c51cc8b50.exe	32
PID 2932 wrote to memory of 3064	2932	aa4ad6d6d4ac2d0e32a895dbe8f8537f7e82d061a4abea02462a7a4c51cc8b50.exe	32
PID 2932 wrote to memory of 3064	2932	aa4ad6d6d4ac2d0e32a895dbe8f8537f7e82d061a4abea02462a7a4c51cc8b50.exe	32
PID 2932 wrote to memory of 3064	2932	aa4ad6d6d4ac2d0e32a895dbe8f8537f7e82d061a4abea02462a7a4c51cc8b50.exe	32
PID 2932 wrote to memory of 3064	2932	aa4ad6d6d4ac2d0e32a895dbe8f8537f7e82d061a4abea02462a7a4c51cc8b50.exe	32
PID 2932 wrote to memory of 3064	2932	aa4ad6d6d4ac2d0e32a895dbe8f8537f7e82d061a4abea02462a7a4c51cc8b50.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aa4ad6d6d4ac2d0e32a895dbe8f8537f7e82d061a4abea02462a7a4c51cc8b50.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aa4ad6d6d4ac2d0e32a895dbe8f8537f7e82d061a4abea02462a7a4c51cc8b50.exe

C:\Users\Admin\AppData\Local\Temp\aa4ad6d6d4ac2d0e32a895dbe8f8537f7e82d061a4abea02462a7a4c51cc8b50.exe
"C:\Users\Admin\AppData\Local\Temp\aa4ad6d6d4ac2d0e32a895dbe8f8537f7e82d061a4abea02462a7a4c51cc8b50.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Users\Admin\AppData\Local\Temp\aa4ad6d6d4ac2d0e32a895dbe8f8537f7e82d061a4abea02462a7a4c51cc8b50.exe
  "C:\Users\Admin\AppData\Local\Temp\aa4ad6d6d4ac2d0e32a895dbe8f8537f7e82d061a4abea02462a7a4c51cc8b50.exe"
  2⤵
  PID:2572
- C:\Users\Admin\AppData\Local\Temp\aa4ad6d6d4ac2d0e32a895dbe8f8537f7e82d061a4abea02462a7a4c51cc8b50.exe
  "C:\Users\Admin\AppData\Local\Temp\aa4ad6d6d4ac2d0e32a895dbe8f8537f7e82d061a4abea02462a7a4c51cc8b50.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:3064

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/2932-0-0x0000000074D5E000-0x0000000074D5F000-memory.dmp

Filesize
4KB

Download
memory/2932-1-0x0000000000280000-0x000000000030C000-memory.dmp

Filesize
560KB

Download
memory/2932-2-0x0000000074D50000-0x000000007543E000-memory.dmp

Filesize
6.9MB

Download
memory/2932-3-0x0000000000390000-0x000000000039E000-memory.dmp

Filesize
56KB

Download
memory/2932-4-0x0000000074D5E000-0x0000000074D5F000-memory.dmp

Filesize
4KB

Download
memory/2932-5-0x0000000074D50000-0x000000007543E000-memory.dmp

Filesize
6.9MB

Download
memory/2932-6-0x0000000007450000-0x00000000074B0000-memory.dmp

Filesize
384KB

Download
memory/2932-21-0x0000000074D50000-0x000000007543E000-memory.dmp

Filesize
6.9MB

Download
memory/3064-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3064-22-0x0000000074D50000-0x000000007543E000-memory.dmp

Filesize
6.9MB

Download
memory/3064-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3064-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3064-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3064-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3064-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3064-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3064-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3064-20-0x0000000074D50000-0x000000007543E000-memory.dmp

Filesize
6.9MB

Download
memory/3064-23-0x0000000074D50000-0x000000007543E000-memory.dmp

Filesize
6.9MB

Download
memory/3064-24-0x0000000074D50000-0x000000007543E000-memory.dmp

Filesize
6.9MB

Download
memory/3064-25-0x0000000074D50000-0x000000007543E000-memory.dmp

Filesize
6.9MB

Download
memory/3064-26-0x0000000074D50000-0x000000007543E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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