agenttesla | b1fe3e4522b701047d35e034db5ed2e9b8b10619b15f3d1a0b44b8da1a499352

General

Target

JaffaCakes118_0e8b01d10cce62d28f58897bad493b57.exe
Size

566KB
MD5

0e8b01d10cce62d28f58897bad493b57
SHA1

63cddbb8231c3f1d61fb528cb74902d047038018
SHA256

b1fe3e4522b701047d35e034db5ed2e9b8b10619b15f3d1a0b44b8da1a499352
SHA512

86506f1bb54d5f7362bfbe548737af89cf4c0afe939152619d6bd08460b086ebca47cb35b18a273e82bb27f6c7400665883635612d2245bc18509b131a9dc4ef
SSDEEP

12288:KsPIbw8eG1DzrmU+oNy6RMg96aAowKZ/oExoiUqqJFTP:KJbw8eG1jmkE896aMKZ/o8xrq

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.electronmash.com
Port:
587
Username:
[email protected]
Password:
Zanzibar2018

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/5080-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	JaffaCakes118_0e8b01d10cce62d28f58897bad493b57.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-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_0e8b01d10cce62d28f58897bad493b57.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_0e8b01d10cce62d28f58897bad493b57.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_0e8b01d10cce62d28f58897bad493b57.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2508 set thread context of 5080	2508	JaffaCakes118_0e8b01d10cce62d28f58897bad493b57.exe	91

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	JaffaCakes118_0e8b01d10cce62d28f58897bad493b57.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0e8b01d10cce62d28f58897bad493b57.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
4548	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2508	JaffaCakes118_0e8b01d10cce62d28f58897bad493b57.exe
5080	JaffaCakes118_0e8b01d10cce62d28f58897bad493b57.exe
5080	JaffaCakes118_0e8b01d10cce62d28f58897bad493b57.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2508	JaffaCakes118_0e8b01d10cce62d28f58897bad493b57.exe
Token: SeDebugPrivilege	5080	JaffaCakes118_0e8b01d10cce62d28f58897bad493b57.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5080	JaffaCakes118_0e8b01d10cce62d28f58897bad493b57.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 4548	2508	JaffaCakes118_0e8b01d10cce62d28f58897bad493b57.exe	89
PID 2508 wrote to memory of 4548	2508	JaffaCakes118_0e8b01d10cce62d28f58897bad493b57.exe	89
PID 2508 wrote to memory of 4548	2508	JaffaCakes118_0e8b01d10cce62d28f58897bad493b57.exe	89
PID 2508 wrote to memory of 5080	2508	JaffaCakes118_0e8b01d10cce62d28f58897bad493b57.exe	91
PID 2508 wrote to memory of 5080	2508	JaffaCakes118_0e8b01d10cce62d28f58897bad493b57.exe	91
PID 2508 wrote to memory of 5080	2508	JaffaCakes118_0e8b01d10cce62d28f58897bad493b57.exe	91
PID 2508 wrote to memory of 5080	2508	JaffaCakes118_0e8b01d10cce62d28f58897bad493b57.exe	91
PID 2508 wrote to memory of 5080	2508	JaffaCakes118_0e8b01d10cce62d28f58897bad493b57.exe	91
PID 2508 wrote to memory of 5080	2508	JaffaCakes118_0e8b01d10cce62d28f58897bad493b57.exe	91
PID 2508 wrote to memory of 5080	2508	JaffaCakes118_0e8b01d10cce62d28f58897bad493b57.exe	91
PID 2508 wrote to memory of 5080	2508	JaffaCakes118_0e8b01d10cce62d28f58897bad493b57.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_0e8b01d10cce62d28f58897bad493b57.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_0e8b01d10cce62d28f58897bad493b57.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0e8b01d10cce62d28f58897bad493b57.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0e8b01d10cce62d28f58897bad493b57.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:2508
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PJmhGQzpevP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8A6.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4548
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0e8b01d10cce62d28f58897bad493b57.exe
  "{path}"
  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:5080

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

C:\Users\Admin\AppData\Local\Temp\tmp8A6.tmp

Filesize
1KB

MD5
87206832e5cf51634f2331aff509abad

SHA1
175f1df20435133c178a91c4dbc115aedebf2f78

SHA256
06e93cf0aaf67cc36064a59f082eb7733a80de10fbb1f02dfc9aa3a3efcba6d8

SHA512
da132263cb5c410e20e931f2b5b8a742e82df6a36eb33854cb5bb8568448a13a29aec2e6149aca07fe1cb3921ebd367844de2fe39eac1aa50813893822647278

Download Submit
memory/2508-12-0x00000000080D0000-0x000000000810C000-memory.dmp

Filesize
240KB

Download
memory/2508-8-0x0000000004CE0000-0x0000000004CF4000-memory.dmp

Filesize
80KB

Download
memory/2508-3-0x0000000005360000-0x0000000005904000-memory.dmp

Filesize
5.6MB

Download
memory/2508-4-0x0000000004CF0000-0x0000000004D82000-memory.dmp

Filesize
584KB

Download
memory/2508-5-0x0000000004CC0000-0x0000000004CCA000-memory.dmp

Filesize
40KB

Download
memory/2508-6-0x0000000004F50000-0x0000000004FA6000-memory.dmp

Filesize
344KB

Download
memory/2508-7-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/2508-1-0x0000000000310000-0x00000000003A4000-memory.dmp

Filesize
592KB

Download
memory/2508-9-0x000000007474E000-0x000000007474F000-memory.dmp

Filesize
4KB

Download
memory/2508-10-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/2508-11-0x0000000005B50000-0x0000000005BD4000-memory.dmp

Filesize
528KB

Download
memory/2508-2-0x0000000004BB0000-0x0000000004C4C000-memory.dmp

Filesize
624KB

Download
memory/2508-0-0x000000007474E000-0x000000007474F000-memory.dmp

Filesize
4KB

Download
memory/2508-19-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/5080-25-0x0000000006970000-0x00000000069C0000-memory.dmp

Filesize
320KB

Download
memory/5080-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/5080-20-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/5080-21-0x0000000005750000-0x0000000005768000-memory.dmp

Filesize
96KB

Download
memory/5080-22-0x0000000006380000-0x00000000063E6000-memory.dmp

Filesize
408KB

Download
memory/5080-23-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/5080-24-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/5080-18-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/5080-26-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/5080-27-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads