agenttesla | e11736f470654e19618c67d3a63e705bcfa9f854dd0345abb121992fb5019cf3

General

Target

f720dc75b1260f81bf74e258b6793f6d_JaffaCakes118.exe
Size

392KB
MD5

f720dc75b1260f81bf74e258b6793f6d
SHA1

b352d5ced8b1648f8448a116fe0ca59310a7c191
SHA256

e11736f470654e19618c67d3a63e705bcfa9f854dd0345abb121992fb5019cf3
SHA512

c64563e45efea99e3bc8b17c105a2a44b9965e156cab83f8cee4665cd5ef3adbfc88d87c4100446006b85ee4b8fa8a21385d555e03689d4720d4e3b6164edfdd
SSDEEP

12288:A7J6H3twmbZyw8nLWcn/TQTZKNY0oQghPDPM:A7J6SIwvT/290TghQ

Score

10^/10

agenttesla collection discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.ejazontheweb.com
Port:
587
Username:
[email protected]
Password:
t%[D2FmSeQezu,}e

Signatures

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

Contains code to disable Windows Defender 1 IoCs

A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

resource	yara_rule
behavioral1/memory/1744-4-0x0000000000990000-0x00000000009E4000-memory.dmp	disable_win_def

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/2644-14-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/2644-16-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/2644-11-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/2644-10-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/2644-18-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f720dc75b1260f81bf74e258b6793f6d_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f720dc75b1260f81bf74e258b6793f6d_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f720dc75b1260f81bf74e258b6793f6d_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1744 set thread context of 2644	1744	f720dc75b1260f81bf74e258b6793f6d_JaffaCakes118.exe	30

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	f720dc75b1260f81bf74e258b6793f6d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f720dc75b1260f81bf74e258b6793f6d_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2644	f720dc75b1260f81bf74e258b6793f6d_JaffaCakes118.exe
2644	f720dc75b1260f81bf74e258b6793f6d_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2644	f720dc75b1260f81bf74e258b6793f6d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 2644	1744	f720dc75b1260f81bf74e258b6793f6d_JaffaCakes118.exe	30
PID 1744 wrote to memory of 2644	1744	f720dc75b1260f81bf74e258b6793f6d_JaffaCakes118.exe	30
PID 1744 wrote to memory of 2644	1744	f720dc75b1260f81bf74e258b6793f6d_JaffaCakes118.exe	30
PID 1744 wrote to memory of 2644	1744	f720dc75b1260f81bf74e258b6793f6d_JaffaCakes118.exe	30
PID 1744 wrote to memory of 2644	1744	f720dc75b1260f81bf74e258b6793f6d_JaffaCakes118.exe	30
PID 1744 wrote to memory of 2644	1744	f720dc75b1260f81bf74e258b6793f6d_JaffaCakes118.exe	30
PID 1744 wrote to memory of 2644	1744	f720dc75b1260f81bf74e258b6793f6d_JaffaCakes118.exe	30
PID 1744 wrote to memory of 2644	1744	f720dc75b1260f81bf74e258b6793f6d_JaffaCakes118.exe	30
PID 1744 wrote to memory of 2644	1744	f720dc75b1260f81bf74e258b6793f6d_JaffaCakes118.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f720dc75b1260f81bf74e258b6793f6d_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f720dc75b1260f81bf74e258b6793f6d_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\f720dc75b1260f81bf74e258b6793f6d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f720dc75b1260f81bf74e258b6793f6d_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1744
- C:\Users\Admin\AppData\Local\Temp\f720dc75b1260f81bf74e258b6793f6d_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f720dc75b1260f81bf74e258b6793f6d_JaffaCakes118.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2644

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

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

Replay Monitor

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Downloads

memory/1744-19-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/1744-1-0x0000000000D90000-0x0000000000DF8000-memory.dmp

Filesize
416KB

Download
memory/1744-2-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/1744-3-0x00000000004C0000-0x00000000004C8000-memory.dmp

Filesize
32KB

Download
memory/1744-4-0x0000000000990000-0x00000000009E4000-memory.dmp

Filesize
336KB

Download
memory/1744-5-0x000000007429E000-0x000000007429F000-memory.dmp

Filesize
4KB

Download
memory/1744-6-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/1744-0-0x000000007429E000-0x000000007429F000-memory.dmp

Filesize
4KB

Download
memory/1744-7-0x0000000000A30000-0x0000000000A3A000-memory.dmp

Filesize
40KB

Download
memory/2644-9-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2644-22-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2644-16-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2644-20-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2644-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2644-11-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2644-10-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2644-18-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2644-14-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2644-21-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2644-8-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

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