agenttesla | e834c23904558599e283b2333e4c7b4013c688b966b12ce376722702c9deb344

General

Target

449ce9aa7826d64ef032267413892c2c_JaffaCakes118.exe
Size

944KB
MD5

449ce9aa7826d64ef032267413892c2c
SHA1

e71eaa6521fe542269d4b0996189efb72b266921
SHA256

e834c23904558599e283b2333e4c7b4013c688b966b12ce376722702c9deb344
SHA512

f4e5805b3fd99b1242fd0cc28901cfbce42106e2921d9a0cdfa4e93f4637a4e93df042280668831c7cb9bf3a71e000178a9ed7f8e4f3bc530b34057adffa983c
SSDEEP

12288:6akqXm8gVJ0NHK7zoiVfWlvvJ4Ui/nahmsA4I2CY4xRWZEAT7nj0HJ5dhsGvy5UP:5i0gUiVf+vJHoa3n34O17ITdiG/rHj

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
webmail.almasroor.com
Port:
587
Username:
[email protected]
Password:
042264528

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/2948-20-0x0000000000400000-0x0000000000478000-memory.dmp	family_agenttesla
behavioral1/memory/2948-18-0x0000000000400000-0x0000000000478000-memory.dmp	family_agenttesla
behavioral1/memory/2948-16-0x0000000000400000-0x0000000000478000-memory.dmp	family_agenttesla
behavioral1/memory/2948-12-0x0000000000400000-0x0000000000478000-memory.dmp	family_agenttesla
behavioral1/memory/2948-10-0x0000000000400000-0x0000000000478000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	449ce9aa7826d64ef032267413892c2c_JaffaCakes118.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	449ce9aa7826d64ef032267413892c2c_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	449ce9aa7826d64ef032267413892c2c_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	449ce9aa7826d64ef032267413892c2c_JaffaCakes118.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\HjYArO = "C:\\Users\\Admin\\AppData\\Roaming\\HjYArO\\HjYArO.exe"	449ce9aa7826d64ef032267413892c2c_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2116 set thread context of 2948	2116	449ce9aa7826d64ef032267413892c2c_JaffaCakes118.exe	29

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	449ce9aa7826d64ef032267413892c2c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	449ce9aa7826d64ef032267413892c2c_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2948	449ce9aa7826d64ef032267413892c2c_JaffaCakes118.exe
2948	449ce9aa7826d64ef032267413892c2c_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2948	449ce9aa7826d64ef032267413892c2c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 2948	2116	449ce9aa7826d64ef032267413892c2c_JaffaCakes118.exe	29
PID 2116 wrote to memory of 2948	2116	449ce9aa7826d64ef032267413892c2c_JaffaCakes118.exe	29
PID 2116 wrote to memory of 2948	2116	449ce9aa7826d64ef032267413892c2c_JaffaCakes118.exe	29
PID 2116 wrote to memory of 2948	2116	449ce9aa7826d64ef032267413892c2c_JaffaCakes118.exe	29
PID 2116 wrote to memory of 2948	2116	449ce9aa7826d64ef032267413892c2c_JaffaCakes118.exe	29
PID 2116 wrote to memory of 2948	2116	449ce9aa7826d64ef032267413892c2c_JaffaCakes118.exe	29
PID 2116 wrote to memory of 2948	2116	449ce9aa7826d64ef032267413892c2c_JaffaCakes118.exe	29
PID 2116 wrote to memory of 2948	2116	449ce9aa7826d64ef032267413892c2c_JaffaCakes118.exe	29
PID 2116 wrote to memory of 2948	2116	449ce9aa7826d64ef032267413892c2c_JaffaCakes118.exe	29

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	449ce9aa7826d64ef032267413892c2c_JaffaCakes118.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	449ce9aa7826d64ef032267413892c2c_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\449ce9aa7826d64ef032267413892c2c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\449ce9aa7826d64ef032267413892c2c_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Users\Admin\AppData\Local\Temp\449ce9aa7826d64ef032267413892c2c_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\449ce9aa7826d64ef032267413892c2c_JaffaCakes118.exe"
  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
  - outlook_office_path
  - outlook_win_path
  PID:2948

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

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 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

memory/2116-0-0x000000007444E000-0x000000007444F000-memory.dmp

Filesize
4KB

Download
memory/2116-1-0x0000000000A80000-0x0000000000B72000-memory.dmp

Filesize
968KB

Download
memory/2116-2-0x0000000074440000-0x0000000074B2E000-memory.dmp

Filesize
6.9MB

Download
memory/2116-3-0x0000000000A60000-0x0000000000A76000-memory.dmp

Filesize
88KB

Download
memory/2116-4-0x000000007444E000-0x000000007444F000-memory.dmp

Filesize
4KB

Download
memory/2116-5-0x0000000074440000-0x0000000074B2E000-memory.dmp

Filesize
6.9MB

Download
memory/2116-6-0x0000000005760000-0x000000000580C000-memory.dmp

Filesize
688KB

Download
memory/2116-7-0x0000000005F80000-0x0000000005FFA000-memory.dmp

Filesize
488KB

Download
memory/2116-22-0x0000000074440000-0x0000000074B2E000-memory.dmp

Filesize
6.9MB

Download
memory/2948-20-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2948-21-0x0000000074440000-0x0000000074B2E000-memory.dmp

Filesize
6.9MB

Download
memory/2948-18-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2948-16-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2948-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2948-12-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2948-10-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2948-8-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2948-23-0x0000000074440000-0x0000000074B2E000-memory.dmp

Filesize
6.9MB

Download
memory/2948-9-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2948-24-0x0000000074440000-0x0000000074B2E000-memory.dmp

Filesize
6.9MB

Download
memory/2948-25-0x0000000074440000-0x0000000074B2E000-memory.dmp

Filesize
6.9MB

Download
memory/2948-28-0x0000000074440000-0x0000000074B2E000-memory.dmp

Filesize
6.9MB

Download
memory/2948-29-0x0000000074440000-0x0000000074B2E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads