agenttesla | e16e6f37d6df72bd04dfe215d5ae485ff783423c82514d95926947050244b06b

General

Target

ed09e87980a5dba85b528a3f5472fbf1_JaffaCakes118.exe
Size

609KB
MD5

ed09e87980a5dba85b528a3f5472fbf1
SHA1

b44fa0dcd6a51ef44da601949cc0656387b9909c
SHA256

e16e6f37d6df72bd04dfe215d5ae485ff783423c82514d95926947050244b06b
SHA512

99a6ca4b5a8655f74bb9fdbad6864a923fa5753341cb8df49a84a9a2f012d5bc9e7d1632653bc71e2a501586f72b058259b55650bb85131acf035c4288a6bef3
SSDEEP

12288:gvowOqwNUM7YBs/upGIVjDYis/Jkaw7JT6YashlM0JT6YashlM:GvOqwNzVWpGO/shE9ashlV9ashl

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.medicare-equipment.com
Port:
587
Username:
[email protected]
Password:
AllTheBest777
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 1 IoCs

resource	yara_rule
behavioral2/memory/988-17-0x0000000000400000-0x000000000043C000-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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	ed09e87980a5dba85b528a3f5472fbf1_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 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-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ed09e87980a5dba85b528a3f5472fbf1_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ed09e87980a5dba85b528a3f5472fbf1_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ed09e87980a5dba85b528a3f5472fbf1_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5040 set thread context of 988	5040	ed09e87980a5dba85b528a3f5472fbf1_JaffaCakes118.exe	94

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	ed09e87980a5dba85b528a3f5472fbf1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ed09e87980a5dba85b528a3f5472fbf1_JaffaCakes118.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
3240	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5040	ed09e87980a5dba85b528a3f5472fbf1_JaffaCakes118.exe
5040	ed09e87980a5dba85b528a3f5472fbf1_JaffaCakes118.exe
988	ed09e87980a5dba85b528a3f5472fbf1_JaffaCakes118.exe
988	ed09e87980a5dba85b528a3f5472fbf1_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5040	ed09e87980a5dba85b528a3f5472fbf1_JaffaCakes118.exe
Token: SeDebugPrivilege	988	ed09e87980a5dba85b528a3f5472fbf1_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
988	ed09e87980a5dba85b528a3f5472fbf1_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 5040 wrote to memory of 3240	5040	ed09e87980a5dba85b528a3f5472fbf1_JaffaCakes118.exe	92
PID 5040 wrote to memory of 3240	5040	ed09e87980a5dba85b528a3f5472fbf1_JaffaCakes118.exe	92
PID 5040 wrote to memory of 3240	5040	ed09e87980a5dba85b528a3f5472fbf1_JaffaCakes118.exe	92
PID 5040 wrote to memory of 988	5040	ed09e87980a5dba85b528a3f5472fbf1_JaffaCakes118.exe	94
PID 5040 wrote to memory of 988	5040	ed09e87980a5dba85b528a3f5472fbf1_JaffaCakes118.exe	94
PID 5040 wrote to memory of 988	5040	ed09e87980a5dba85b528a3f5472fbf1_JaffaCakes118.exe	94
PID 5040 wrote to memory of 988	5040	ed09e87980a5dba85b528a3f5472fbf1_JaffaCakes118.exe	94
PID 5040 wrote to memory of 988	5040	ed09e87980a5dba85b528a3f5472fbf1_JaffaCakes118.exe	94
PID 5040 wrote to memory of 988	5040	ed09e87980a5dba85b528a3f5472fbf1_JaffaCakes118.exe	94
PID 5040 wrote to memory of 988	5040	ed09e87980a5dba85b528a3f5472fbf1_JaffaCakes118.exe	94
PID 5040 wrote to memory of 988	5040	ed09e87980a5dba85b528a3f5472fbf1_JaffaCakes118.exe	94

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ed09e87980a5dba85b528a3f5472fbf1_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ed09e87980a5dba85b528a3f5472fbf1_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\ed09e87980a5dba85b528a3f5472fbf1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ed09e87980a5dba85b528a3f5472fbf1_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5040
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wQYZElrzdAnVW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3AA3.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3240
- C:\Users\Admin\AppData\Local\Temp\ed09e87980a5dba85b528a3f5472fbf1_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ed09e87980a5dba85b528a3f5472fbf1_JaffaCakes118.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:988

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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

Query Registry

1

T1012

System Information Discovery

2

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

memory/988-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/988-28-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/988-27-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/988-26-0x0000000006040000-0x0000000006090000-memory.dmp

Filesize
320KB

Download
memory/988-25-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/988-24-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/988-23-0x00000000052C0000-0x0000000005326000-memory.dmp

Filesize
408KB

Download
memory/988-22-0x0000000005080000-0x0000000005098000-memory.dmp

Filesize
96KB

Download
memory/988-21-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/988-19-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/5040-5-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/5040-11-0x0000000007080000-0x00000000070E0000-memory.dmp

Filesize
384KB

Download
memory/5040-10-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/5040-20-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/5040-9-0x000000007478E000-0x000000007478F000-memory.dmp

Filesize
4KB

Download
memory/5040-8-0x0000000005620000-0x0000000005632000-memory.dmp

Filesize
72KB

Download
memory/5040-7-0x0000000005F60000-0x0000000005FFC000-memory.dmp

Filesize
624KB

Download
memory/5040-6-0x00000000052F0000-0x00000000052FA000-memory.dmp

Filesize
40KB

Download
memory/5040-0-0x000000007478E000-0x000000007478F000-memory.dmp

Filesize
4KB

Download
memory/5040-4-0x00000000053A0000-0x00000000053F6000-memory.dmp

Filesize
344KB

Download
memory/5040-3-0x0000000005300000-0x0000000005392000-memory.dmp

Filesize
584KB

Download
memory/5040-2-0x0000000005810000-0x0000000005DB4000-memory.dmp

Filesize
5.6MB

Download
memory/5040-1-0x00000000009D0000-0x0000000000A6E000-memory.dmp

Filesize
632KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads