agenttesla | 97810779958e0d9dae2d35a66f0e5fc046e95dd8b4dfba410b9326738519179a

General

Target

JaffaCakes118_abff478747f30269506c438978b62db9.exe
Size

662KB
MD5

abff478747f30269506c438978b62db9
SHA1

63c254e667f4d3c4845347e244ca2909831a156e
SHA256

97810779958e0d9dae2d35a66f0e5fc046e95dd8b4dfba410b9326738519179a
SHA512

cb812befdd4312220089e671858f872c9227f18f817f5c5d8fe701d30d3e517c930c8b6d6a8b78d589aaf8d678c12044d2733795ddfdb68cd6ca27186b919bf0
SSDEEP

12288:uMnrNFka3c8Dk5uBM7mBkSsJ1kActfRQ/VySBK:ukro8DtMCeSsJCAi6VfBK

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
Darkeye101

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/244-17-0x0000000000400000-0x000000000043C000-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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	JaffaCakes118_abff478747f30269506c438978b62db9.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-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_abff478747f30269506c438978b62db9.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_abff478747f30269506c438978b62db9.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_abff478747f30269506c438978b62db9.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3396 set thread context of 244	3396	JaffaCakes118_abff478747f30269506c438978b62db9.exe	99

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_abff478747f30269506c438978b62db9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_abff478747f30269506c438978b62db9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
4896	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
244	JaffaCakes118_abff478747f30269506c438978b62db9.exe
244	JaffaCakes118_abff478747f30269506c438978b62db9.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	244	JaffaCakes118_abff478747f30269506c438978b62db9.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
244	JaffaCakes118_abff478747f30269506c438978b62db9.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3396 wrote to memory of 4896	3396	JaffaCakes118_abff478747f30269506c438978b62db9.exe	97
PID 3396 wrote to memory of 4896	3396	JaffaCakes118_abff478747f30269506c438978b62db9.exe	97
PID 3396 wrote to memory of 4896	3396	JaffaCakes118_abff478747f30269506c438978b62db9.exe	97
PID 3396 wrote to memory of 244	3396	JaffaCakes118_abff478747f30269506c438978b62db9.exe	99
PID 3396 wrote to memory of 244	3396	JaffaCakes118_abff478747f30269506c438978b62db9.exe	99
PID 3396 wrote to memory of 244	3396	JaffaCakes118_abff478747f30269506c438978b62db9.exe	99
PID 3396 wrote to memory of 244	3396	JaffaCakes118_abff478747f30269506c438978b62db9.exe	99
PID 3396 wrote to memory of 244	3396	JaffaCakes118_abff478747f30269506c438978b62db9.exe	99
PID 3396 wrote to memory of 244	3396	JaffaCakes118_abff478747f30269506c438978b62db9.exe	99
PID 3396 wrote to memory of 244	3396	JaffaCakes118_abff478747f30269506c438978b62db9.exe	99
PID 3396 wrote to memory of 244	3396	JaffaCakes118_abff478747f30269506c438978b62db9.exe	99

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_abff478747f30269506c438978b62db9.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_abff478747f30269506c438978b62db9.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_abff478747f30269506c438978b62db9.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_abff478747f30269506c438978b62db9.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3396
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VWyLCGywWigZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6CAF.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4896
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_abff478747f30269506c438978b62db9.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_abff478747f30269506c438978b62db9.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:244

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/244-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/244-28-0x0000000074B30000-0x00000000752E0000-memory.dmp

Filesize
7.7MB

Download
memory/244-27-0x0000000074B30000-0x00000000752E0000-memory.dmp

Filesize
7.7MB

Download
memory/244-26-0x0000000006860000-0x00000000068B0000-memory.dmp

Filesize
320KB

Download
memory/244-25-0x0000000074B30000-0x00000000752E0000-memory.dmp

Filesize
7.7MB

Download
memory/244-24-0x0000000074B30000-0x00000000752E0000-memory.dmp

Filesize
7.7MB

Download
memory/244-23-0x00000000062F0000-0x0000000006356000-memory.dmp

Filesize
408KB

Download
memory/244-22-0x0000000005840000-0x0000000005858000-memory.dmp

Filesize
96KB

Download
memory/244-21-0x0000000074B30000-0x00000000752E0000-memory.dmp

Filesize
7.7MB

Download
memory/244-19-0x0000000074B30000-0x00000000752E0000-memory.dmp

Filesize
7.7MB

Download
memory/3396-5-0x0000000074B30000-0x00000000752E0000-memory.dmp

Filesize
7.7MB

Download
memory/3396-11-0x0000000007250000-0x00000000072D4000-memory.dmp

Filesize
528KB

Download
memory/3396-10-0x00000000070B0000-0x000000000714C000-memory.dmp

Filesize
624KB

Download
memory/3396-9-0x0000000074B30000-0x00000000752E0000-memory.dmp

Filesize
7.7MB

Download
memory/3396-20-0x0000000074B30000-0x00000000752E0000-memory.dmp

Filesize
7.7MB

Download
memory/3396-8-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

Filesize
4KB

Download
memory/3396-7-0x0000000005F90000-0x0000000005F9A000-memory.dmp

Filesize
40KB

Download
memory/3396-6-0x00000000058E0000-0x00000000058EA000-memory.dmp

Filesize
40KB

Download
memory/3396-0-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

Filesize
4KB

Download
memory/3396-4-0x0000000005950000-0x00000000059E2000-memory.dmp

Filesize
584KB

Download
memory/3396-3-0x0000000005A50000-0x0000000005BD6000-memory.dmp

Filesize
1.5MB

Download
memory/3396-2-0x0000000006000000-0x00000000065A4000-memory.dmp

Filesize
5.6MB

Download
memory/3396-1-0x0000000000E70000-0x0000000000F1C000-memory.dmp

Filesize
688KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads