agenttesla | f9224cfac346b76e9451cfafe69c95015e4ca3bf55736567cc633405437c4efb

General

Target

e73155a665df78a9574f8bc73f1c0b11_JaffaCakes118.exe
Size

706KB
MD5

e73155a665df78a9574f8bc73f1c0b11
SHA1

2f36861b2169cc31a4284f30d0fc57a648630c3a
SHA256

f9224cfac346b76e9451cfafe69c95015e4ca3bf55736567cc633405437c4efb
SHA512

4024d3cc83c45ea9f6cfab3c3d70dd120dd55ccaa75d414c382486b53ad21ce5f0a355becdbe562e8f3142af7b82c56d8fe90d3997821ae51c30d28eeac76d90
SSDEEP

12288:z3GT3Jxiw7KpiqAB0ixiidvdHc1zp5/FwMBIP7NITNqOQuEUb1byR0e5z+hfcYvK:z3GT3Jxiw7KpiqAB0iwWwrSMY7GTNqhp

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
webmail.worldlinkcolombo.net
Port:
587
Username:
[email protected]
Password:
FBF8TNIO60WI6615677789

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/2816-21-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2816-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2816-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2816-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2816-11-0x0000000000400000-0x000000000043C000-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
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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e73155a665df78a9574f8bc73f1c0b11_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e73155a665df78a9574f8bc73f1c0b11_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e73155a665df78a9574f8bc73f1c0b11_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1992 set thread context of 2816	1992	e73155a665df78a9574f8bc73f1c0b11_JaffaCakes118.exe	31

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	e73155a665df78a9574f8bc73f1c0b11_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e73155a665df78a9574f8bc73f1c0b11_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2816	e73155a665df78a9574f8bc73f1c0b11_JaffaCakes118.exe
2816	e73155a665df78a9574f8bc73f1c0b11_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2816	e73155a665df78a9574f8bc73f1c0b11_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2816	e73155a665df78a9574f8bc73f1c0b11_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 2816	1992	e73155a665df78a9574f8bc73f1c0b11_JaffaCakes118.exe	31
PID 1992 wrote to memory of 2816	1992	e73155a665df78a9574f8bc73f1c0b11_JaffaCakes118.exe	31
PID 1992 wrote to memory of 2816	1992	e73155a665df78a9574f8bc73f1c0b11_JaffaCakes118.exe	31
PID 1992 wrote to memory of 2816	1992	e73155a665df78a9574f8bc73f1c0b11_JaffaCakes118.exe	31
PID 1992 wrote to memory of 2816	1992	e73155a665df78a9574f8bc73f1c0b11_JaffaCakes118.exe	31
PID 1992 wrote to memory of 2816	1992	e73155a665df78a9574f8bc73f1c0b11_JaffaCakes118.exe	31
PID 1992 wrote to memory of 2816	1992	e73155a665df78a9574f8bc73f1c0b11_JaffaCakes118.exe	31
PID 1992 wrote to memory of 2816	1992	e73155a665df78a9574f8bc73f1c0b11_JaffaCakes118.exe	31
PID 1992 wrote to memory of 2816	1992	e73155a665df78a9574f8bc73f1c0b11_JaffaCakes118.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e73155a665df78a9574f8bc73f1c0b11_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e73155a665df78a9574f8bc73f1c0b11_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\e73155a665df78a9574f8bc73f1c0b11_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e73155a665df78a9574f8bc73f1c0b11_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Users\Admin\AppData\Local\Temp\e73155a665df78a9574f8bc73f1c0b11_JaffaCakes118.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:2816

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

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

Replay Monitor

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Downloads

memory/1992-0-0x000000007405E000-0x000000007405F000-memory.dmp

Filesize
4KB

Download
memory/1992-1-0x0000000001350000-0x0000000001406000-memory.dmp

Filesize
728KB

Download
memory/1992-2-0x0000000074050000-0x000000007473E000-memory.dmp

Filesize
6.9MB

Download
memory/1992-3-0x00000000005B0000-0x00000000005B8000-memory.dmp

Filesize
32KB

Download
memory/1992-4-0x000000007405E000-0x000000007405F000-memory.dmp

Filesize
4KB

Download
memory/1992-5-0x0000000074050000-0x000000007473E000-memory.dmp

Filesize
6.9MB

Download
memory/1992-6-0x0000000004E60000-0x0000000004EF8000-memory.dmp

Filesize
608KB

Download
memory/1992-23-0x0000000074050000-0x000000007473E000-memory.dmp

Filesize
6.9MB

Download
memory/2816-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2816-22-0x0000000074050000-0x000000007473E000-memory.dmp

Filesize
6.9MB

Download
memory/2816-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2816-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2816-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2816-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2816-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2816-21-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2816-24-0x0000000074050000-0x000000007473E000-memory.dmp

Filesize
6.9MB

Download
memory/2816-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2816-25-0x0000000074050000-0x000000007473E000-memory.dmp

Filesize
6.9MB

Download
memory/2816-26-0x0000000074050000-0x000000007473E000-memory.dmp

Filesize
6.9MB

Download
memory/2816-27-0x0000000074050000-0x000000007473E000-memory.dmp

Filesize
6.9MB

Download
memory/2816-28-0x0000000074050000-0x000000007473E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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