agenttesla | bea0d686590f15a41aafe31587221d612985e7bbf4a8201313f9083523f57fa5

General

Target

433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe
Size

877KB
MD5

433fdfa6cf0c539c304185819b09687c
SHA1

a0525948a1c38c66e9ac87ce68e71ce7013c4f80
SHA256

bea0d686590f15a41aafe31587221d612985e7bbf4a8201313f9083523f57fa5
SHA512

605ba69131f154ec55388985506bc10f7e1221db8e157531eb15701e202d5d973b39cf6f22740e181fd93afbfb611bcd80cc26ca9524d5a7ae8929639edf3745
SSDEEP

12288:uIgENm65z6CLKVoHK7zyknZXqmql/sKUQUvRsWcboEk2s7yto91RoBWuM:xZOVPGknZXqfZdUfOEEk2kyO1RoBD

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.spamora.net
Port:
587
Username:
[email protected]
Password:
Emotion22

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/2768-23-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2768-21-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2768-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2768-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2768-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	433fdfa6cf0c539c304185819b09687c_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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\MLdAu = "C:\\Users\\Admin\\AppData\\Roaming\\MLdAu\\MLdAu.exe"	433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2376 set thread context of 2768	2376	433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe	33

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	433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	433fdfa6cf0c539c304185819b09687c_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
2612	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2376	433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe
2768	433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe
2768	433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2376	433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe
Token: SeDebugPrivilege	2768	433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2768	433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 2612	2376	433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe	31
PID 2376 wrote to memory of 2612	2376	433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe	31
PID 2376 wrote to memory of 2612	2376	433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe	31
PID 2376 wrote to memory of 2612	2376	433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe	31
PID 2376 wrote to memory of 2768	2376	433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe	33
PID 2376 wrote to memory of 2768	2376	433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe	33
PID 2376 wrote to memory of 2768	2376	433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe	33
PID 2376 wrote to memory of 2768	2376	433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe	33
PID 2376 wrote to memory of 2768	2376	433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe	33
PID 2376 wrote to memory of 2768	2376	433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe	33
PID 2376 wrote to memory of 2768	2376	433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe	33
PID 2376 wrote to memory of 2768	2376	433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe	33
PID 2376 wrote to memory of 2768	2376	433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2376
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KLHzZgvUFrag" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8259.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2612
- C:\Users\Admin\AppData\Local\Temp\433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe"
  2⤵
  - 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:2768

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\tmp8259.tmp

Filesize
1KB

MD5
d19bac807f67c78bc83973f8c54f535c

SHA1
f0b4f1586eb2fd7bfe3c929bcf3e1c3e5dc3ee23

SHA256
610602b2efc9d647934c37774c86a6b26e012838027bfb2064d3c821b35ca5a5

SHA512
ce948cb04c185dd4792dbf128dd26ffee5c949e657f7c0d66010a07378e81d4fe5abd41ff3bb1d64b5e4b22917000583bc833c8f364de7697031b7e0edcd60e8

Download Submit
C:\Users\Admin\AppData\Roaming\MLdAu\MLdAu.exe

Filesize
877KB

MD5
433fdfa6cf0c539c304185819b09687c

SHA1
a0525948a1c38c66e9ac87ce68e71ce7013c4f80

SHA256
bea0d686590f15a41aafe31587221d612985e7bbf4a8201313f9083523f57fa5

SHA512
605ba69131f154ec55388985506bc10f7e1221db8e157531eb15701e202d5d973b39cf6f22740e181fd93afbfb611bcd80cc26ca9524d5a7ae8929639edf3745

Download Submit
memory/2376-26-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2376-1-0x0000000000D50000-0x0000000000E32000-memory.dmp

Filesize
904KB

Download
memory/2376-2-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2376-3-0x00000000009E0000-0x00000000009F6000-memory.dmp

Filesize
88KB

Download
memory/2376-4-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

Filesize
4KB

Download
memory/2376-5-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2376-6-0x00000000056B0000-0x000000000574E000-memory.dmp

Filesize
632KB

Download
memory/2376-7-0x0000000005380000-0x00000000053BC000-memory.dmp

Filesize
240KB

Download
memory/2376-0-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

Filesize
4KB

Download
memory/2768-24-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2768-21-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2768-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2768-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2768-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2768-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2768-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2768-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2768-25-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2768-27-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2768-28-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2768-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads