agenttesla | 4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54

General

Target

4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe
Size

601KB
MD5

6f6a23b1046687ad8c12037fe57cd60b
SHA1

25356daf8b5721b73af988148dfba4a91e8cf7fc
SHA256

4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54
SHA512

db806dacf8d825bcdc3555b1637e49fd609140b70a5187c3904d92b75b360bb968c5be835c8ef383e66740cc5f14a030b497ad4701cd64f9d0a66f641215236f
SSDEEP

12288:VRX4+E+eG8iIcxs+S/2nX57WHeWHOfOaK1lOLFM/0f3S09PbtunPnXbuCAiyNvan:Vh4QeSxs+S6XBTWuWaK1gN+N

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.diva-italia.com
Port:
587
Username:
[email protected]
Password:
rr.@%5LjgLz7

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/2556-25-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2556-23-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2556-21-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2556-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2556-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe"	4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2644 set thread context of 2556	2644	4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.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	4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.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
272	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2644	4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe
2556	4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe
2556	4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2644	4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe
Token: SeDebugPrivilege	2556	4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2556	4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 272	2644	4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe	30
PID 2644 wrote to memory of 272	2644	4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe	30
PID 2644 wrote to memory of 272	2644	4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe	30
PID 2644 wrote to memory of 272	2644	4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe	30
PID 2644 wrote to memory of 2556	2644	4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe	32
PID 2644 wrote to memory of 2556	2644	4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe	32
PID 2644 wrote to memory of 2556	2644	4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe	32
PID 2644 wrote to memory of 2556	2644	4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe	32
PID 2644 wrote to memory of 2556	2644	4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe	32
PID 2644 wrote to memory of 2556	2644	4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe	32
PID 2644 wrote to memory of 2556	2644	4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe	32
PID 2644 wrote to memory of 2556	2644	4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe	32
PID 2644 wrote to memory of 2556	2644	4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe

C:\Users\Admin\AppData\Local\Temp\4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe
"C:\Users\Admin\AppData\Local\Temp\4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jAhDFpkzATjOFr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp78F7.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:272
- C:\Users\Admin\AppData\Local\Temp\4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe
  "{path}"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2556

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp78F7.tmp

Filesize
1KB

MD5
c8949960a15317e4d5530dd2e7d37c1f

SHA1
a626ae3409b90a7d77f0cb3e457e059e171f823d

SHA256
170042ebde5b179f4a414a6628b2b4c6975f6bdaa37e3cce996d10f42d73e8e9

SHA512
4805315ba438f97d62526a65143ece6580159497887269e7299dd0bcf62a225351df200051e08b5a9049ddd834c09314161dbabfcf22d2032f5ccdcd640d4caa

Download Submit
memory/2556-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2556-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2556-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2556-21-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2556-26-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2556-30-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2556-29-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2556-27-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2556-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2556-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2556-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2556-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2644-7-0x0000000000620000-0x000000000065E000-memory.dmp

Filesize
248KB

Download
memory/2644-4-0x000000007491E000-0x000000007491F000-memory.dmp

Filesize
4KB

Download
memory/2644-0-0x000000007491E000-0x000000007491F000-memory.dmp

Filesize
4KB

Download
memory/2644-5-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2644-3-0x00000000002E0000-0x00000000002E8000-memory.dmp

Filesize
32KB

Download
memory/2644-1-0x0000000000A10000-0x0000000000AAC000-memory.dmp

Filesize
624KB

Download
memory/2644-28-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2644-2-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2644-6-0x00000000053C0000-0x0000000005444000-memory.dmp

Filesize
528KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads