agenttesla | 138e666baba119aed949d7064ded4f2ddafaa85e95b09bbd5c4ed7d2b77ac9ef

General

Target

JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe
Size

770KB
MD5

545eaa55c962df648708bb0bb01bcb28
SHA1

39e0c699f9bd668dc65561aef01451deeb41b073
SHA256

138e666baba119aed949d7064ded4f2ddafaa85e95b09bbd5c4ed7d2b77ac9ef
SHA512

4892171284b009dc58a0ea5a781006e52c1dc729e924f386749336b9e56880ecdf6f67e43bee9c8f26b345cfcaab4b53305cd78f33a04d1b3d6016db4a2684cb
SSDEEP

12288:ccboBmYWu1Qr5U7k9mWSZSdM+r1RVIuggUJS:uWjrQwmfUvfOS

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.penavico--cz.com
Port:
587
Username:
[email protected]
Password:
Fq$L%J((!6

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/3620-8-0x0000000000400000-0x000000000043C000-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_545eaa55c962df648708bb0bb01bcb28.exe

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\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.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_545eaa55c962df648708bb0bb01bcb28.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1752 set thread context of 3620	1752	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe	92

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 4 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
3776	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3620	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe
3620	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1752	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe
Token: SeDebugPrivilege	3620	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 3620	1752	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe	92
PID 1752 wrote to memory of 3620	1752	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe	92
PID 1752 wrote to memory of 3620	1752	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe	92
PID 1752 wrote to memory of 3620	1752	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe	92
PID 1752 wrote to memory of 3620	1752	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe	92
PID 1752 wrote to memory of 3620	1752	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe	92
PID 1752 wrote to memory of 3620	1752	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe	92
PID 1752 wrote to memory of 3620	1752	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe	92
PID 1752 wrote to memory of 1600	1752	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe	97
PID 1752 wrote to memory of 1600	1752	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe	97
PID 1752 wrote to memory of 1600	1752	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe	97
PID 1600 wrote to memory of 3776	1600	cmd.exe	99
PID 1600 wrote to memory of 3776	1600	cmd.exe	99
PID 1600 wrote to memory of 3776	1600	cmd.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_545eaa55c962df648708bb0bb01bcb28.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_545eaa55c962df648708bb0bb01bcb28.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.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:3620
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\rb57\rb57.exe'" /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1600
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\rb57\rb57.exe'" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3776

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

4

T1552

Credentials In Files

4

T1552.001

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

memory/1752-12-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download
memory/1752-0-0x000000007457E000-0x000000007457F000-memory.dmp

Filesize
4KB

Download
memory/1752-2-0x0000000005CB0000-0x0000000006254000-memory.dmp

Filesize
5.6MB

Download
memory/1752-3-0x00000000057A0000-0x0000000005832000-memory.dmp

Filesize
584KB

Download
memory/1752-4-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download
memory/1752-5-0x0000000005750000-0x000000000575A000-memory.dmp

Filesize
40KB

Download
memory/1752-6-0x000000007457E000-0x000000007457F000-memory.dmp

Filesize
4KB

Download
memory/1752-7-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download
memory/1752-1-0x00000000001E0000-0x00000000002A6000-memory.dmp

Filesize
792KB

Download
memory/3620-10-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download
memory/3620-9-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download
memory/3620-11-0x0000000004F90000-0x000000000502C000-memory.dmp

Filesize
624KB

Download
memory/3620-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3620-13-0x0000000005290000-0x00000000052A8000-memory.dmp

Filesize
96KB

Download
memory/3620-14-0x0000000005C70000-0x0000000005CD6000-memory.dmp

Filesize
408KB

Download
memory/3620-15-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download
memory/3620-16-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download
memory/3620-17-0x0000000004C60000-0x0000000004CB0000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads