agenttesla | f931f521332d9a8394aa9790e0cb942771cc98b6b131616ad503883ec570e573

General

Target

4b262f1bd085b52cf50d807380725e06f3728f34ca554c1b364cc88a58f55d8a.exe
Size

731KB
MD5

e1aaa1e3dec10d718e4e84910551a653
SHA1

7dd70ebbe1edcb54243f7121078b1d830d2c0037
SHA256

4b262f1bd085b52cf50d807380725e06f3728f34ca554c1b364cc88a58f55d8a
SHA512

a3628f9dbe9feaf7bbf1aae4a38798ebf811bbe9657c6df2866d1e355fa3200c3f6a69ebeb316ec65109b14e1a77d4967a83904fd168334e2f7d626410257616
SSDEEP

12288:jQKlh08OGQuZLvqJFTP8TQ/8SfwH5ADOfW3jCaFUmMKWOTevZHQxtnAZTrBhe43:4nGQYTqD/DwiKfW3j9UVvZHQTE

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.msjfurniturewll.com
Port:
587
Username:
[email protected]
Password:
abc@1234!5
Email To:
[email protected]

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/2264-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2264-21-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2264-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2264-14-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2264-13-0x0000000000400000-0x000000000043C000-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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4b262f1bd085b52cf50d807380725e06f3728f34ca554c1b364cc88a58f55d8a.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4b262f1bd085b52cf50d807380725e06f3728f34ca554c1b364cc88a58f55d8a.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4b262f1bd085b52cf50d807380725e06f3728f34ca554c1b364cc88a58f55d8a.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\jNnIJrO = "C:\\Users\\Admin\\AppData\\Roaming\\jNnIJrO\\jNnIJrO.exe"	4b262f1bd085b52cf50d807380725e06f3728f34ca554c1b364cc88a58f55d8a.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2624 set thread context of 2264	2624	4b262f1bd085b52cf50d807380725e06f3728f34ca554c1b364cc88a58f55d8a.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4b262f1bd085b52cf50d807380725e06f3728f34ca554c1b364cc88a58f55d8a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4b262f1bd085b52cf50d807380725e06f3728f34ca554c1b364cc88a58f55d8a.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2568	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2264	4b262f1bd085b52cf50d807380725e06f3728f34ca554c1b364cc88a58f55d8a.exe
2264	4b262f1bd085b52cf50d807380725e06f3728f34ca554c1b364cc88a58f55d8a.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2264	4b262f1bd085b52cf50d807380725e06f3728f34ca554c1b364cc88a58f55d8a.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2264	4b262f1bd085b52cf50d807380725e06f3728f34ca554c1b364cc88a58f55d8a.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2264	4b262f1bd085b52cf50d807380725e06f3728f34ca554c1b364cc88a58f55d8a.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2624 wrote to memory of 2568	2624	4b262f1bd085b52cf50d807380725e06f3728f34ca554c1b364cc88a58f55d8a.exe	30
PID 2624 wrote to memory of 2568	2624	4b262f1bd085b52cf50d807380725e06f3728f34ca554c1b364cc88a58f55d8a.exe	30
PID 2624 wrote to memory of 2568	2624	4b262f1bd085b52cf50d807380725e06f3728f34ca554c1b364cc88a58f55d8a.exe	30
PID 2624 wrote to memory of 2568	2624	4b262f1bd085b52cf50d807380725e06f3728f34ca554c1b364cc88a58f55d8a.exe	30
PID 2624 wrote to memory of 2264	2624	4b262f1bd085b52cf50d807380725e06f3728f34ca554c1b364cc88a58f55d8a.exe	32
PID 2624 wrote to memory of 2264	2624	4b262f1bd085b52cf50d807380725e06f3728f34ca554c1b364cc88a58f55d8a.exe	32
PID 2624 wrote to memory of 2264	2624	4b262f1bd085b52cf50d807380725e06f3728f34ca554c1b364cc88a58f55d8a.exe	32
PID 2624 wrote to memory of 2264	2624	4b262f1bd085b52cf50d807380725e06f3728f34ca554c1b364cc88a58f55d8a.exe	32
PID 2624 wrote to memory of 2264	2624	4b262f1bd085b52cf50d807380725e06f3728f34ca554c1b364cc88a58f55d8a.exe	32
PID 2624 wrote to memory of 2264	2624	4b262f1bd085b52cf50d807380725e06f3728f34ca554c1b364cc88a58f55d8a.exe	32
PID 2624 wrote to memory of 2264	2624	4b262f1bd085b52cf50d807380725e06f3728f34ca554c1b364cc88a58f55d8a.exe	32
PID 2624 wrote to memory of 2264	2624	4b262f1bd085b52cf50d807380725e06f3728f34ca554c1b364cc88a58f55d8a.exe	32
PID 2624 wrote to memory of 2264	2624	4b262f1bd085b52cf50d807380725e06f3728f34ca554c1b364cc88a58f55d8a.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4b262f1bd085b52cf50d807380725e06f3728f34ca554c1b364cc88a58f55d8a.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4b262f1bd085b52cf50d807380725e06f3728f34ca554c1b364cc88a58f55d8a.exe

C:\Users\Admin\AppData\Local\Temp\4b262f1bd085b52cf50d807380725e06f3728f34ca554c1b364cc88a58f55d8a.exe
"C:\Users\Admin\AppData\Local\Temp\4b262f1bd085b52cf50d807380725e06f3728f34ca554c1b364cc88a58f55d8a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2624
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RdkbDKRksCKjc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9BD2.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2568
- C:\Users\Admin\AppData\Local\Temp\4b262f1bd085b52cf50d807380725e06f3728f34ca554c1b364cc88a58f55d8a.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2264

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

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 Information Discovery

1

T1082

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\Temp\tmp9BD2.tmp

Filesize
1KB

MD5
834a1ddb74937b93096343b7cdbe66e2

SHA1
852d0fa5b260a97cb874555e78d66552bd3a10d9

SHA256
c4d036a13359fa0163c654b1dd50bc31a7546f461e5c33b6dceafa596135c743

SHA512
fa2889dab073cee0c67cc18f97c2d3a67acaa7941a468de467b97831c43550897b75e476b60f15c0a5017f1887ba5f874b448b95c6eeac9839f1127b42aadd5d

Download Submit
memory/2264-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2264-21-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2264-26-0x0000000073E60000-0x000000007454E000-memory.dmp

Filesize
6.9MB

Download
memory/2264-25-0x0000000073E60000-0x000000007454E000-memory.dmp

Filesize
6.9MB

Download
memory/2264-24-0x0000000073E60000-0x000000007454E000-memory.dmp

Filesize
6.9MB

Download
memory/2264-22-0x0000000073E60000-0x000000007454E000-memory.dmp

Filesize
6.9MB

Download
memory/2264-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2264-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2264-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2264-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2264-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2264-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2624-7-0x00000000007A0000-0x00000000007DC000-memory.dmp

Filesize
240KB

Download
memory/2624-2-0x0000000073E60000-0x000000007454E000-memory.dmp

Filesize
6.9MB

Download
memory/2624-0-0x0000000073E6E000-0x0000000073E6F000-memory.dmp

Filesize
4KB

Download
memory/2624-1-0x0000000000D50000-0x0000000000E0E000-memory.dmp

Filesize
760KB

Download
memory/2624-23-0x0000000073E60000-0x000000007454E000-memory.dmp

Filesize
6.9MB

Download
memory/2624-6-0x0000000005C20000-0x0000000005CA2000-memory.dmp

Filesize
520KB

Download
memory/2624-5-0x0000000073E60000-0x000000007454E000-memory.dmp

Filesize
6.9MB

Download
memory/2624-4-0x0000000073E6E000-0x0000000073E6F000-memory.dmp

Filesize
4KB

Download
memory/2624-3-0x0000000000220000-0x0000000000234000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads