agenttesla | e2efc9d3d3132046d0567a2198ed10a65fb764b1091d399323f7029e0f22b73f

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07-09-2024 08:18

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General

Target

d17ae965fcc5d879688d5687478a1cc1_JaffaCakes118.exe
Size

874KB
MD5

d17ae965fcc5d879688d5687478a1cc1
SHA1

223ba1f1f6d659ea89097a1b95213a26958daa68
SHA256

e2efc9d3d3132046d0567a2198ed10a65fb764b1091d399323f7029e0f22b73f
SHA512

4ded8055192bc847fb7f115be34589830e6e9e6d76cc68a1415d2d48b0dee6c80f4ecf10fbf16a286298e3a3c598d27a7a4e347854ddc57623bed93064840498
SSDEEP

24576:K2G/nvxW3W3OB0/Uws2RJmedpibji+d+rq:KbA3OOm7RJFpif5dgq

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.vivaldi.net
Port:
587
Username:
[email protected]
Password:
Originlogs22@@!

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/4908-17-0x0000000000400000-0x000000000043C000-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

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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	d17ae965fcc5d879688d5687478a1cc1_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
2064	origin117.exe
4908	origin117.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 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-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	origin117.exe
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	origin117.exe
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	origin117.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2064 set thread context of 4908	2064	origin117.exe	95

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	origin117.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	origin117.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d17ae965fcc5d879688d5687478a1cc1_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4908	origin117.exe
4908	origin117.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4908	origin117.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3304 wrote to memory of 2064	3304	d17ae965fcc5d879688d5687478a1cc1_JaffaCakes118.exe	91
PID 3304 wrote to memory of 2064	3304	d17ae965fcc5d879688d5687478a1cc1_JaffaCakes118.exe	91
PID 3304 wrote to memory of 2064	3304	d17ae965fcc5d879688d5687478a1cc1_JaffaCakes118.exe	91
PID 2064 wrote to memory of 4908	2064	origin117.exe	95
PID 2064 wrote to memory of 4908	2064	origin117.exe	95
PID 2064 wrote to memory of 4908	2064	origin117.exe	95
PID 2064 wrote to memory of 4908	2064	origin117.exe	95
PID 2064 wrote to memory of 4908	2064	origin117.exe	95
PID 2064 wrote to memory of 4908	2064	origin117.exe	95
PID 2064 wrote to memory of 4908	2064	origin117.exe	95
PID 2064 wrote to memory of 4908	2064	origin117.exe	95

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	origin117.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	origin117.exe

C:\Users\Admin\AppData\Local\Temp\d17ae965fcc5d879688d5687478a1cc1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d17ae965fcc5d879688d5687478a1cc1_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3304
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\origin117.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\origin117.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2064
- - C:\Users\Admin\AppData\Local\Temp\RarSFX0\origin117.exe
    "C:\Users\Admin\AppData\Local\Temp\RarSFX0\origin117.exe"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:4908

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\RarSFX0\origin117.exe

Filesize
1.6MB

MD5
03738ef343f27a3c105ff1edc20d6784

SHA1
a16f2a1f7976b5802ae8f3274262bd64c98586ba

SHA256
8cc852f50143c50c203ff617f926a21d34179d6fa276cdfc99321d483d8c079c

SHA512
ba5e5188462fda4d1ad3f71aed4472d5290f3efeb41c070a54b767903ef2a22de906cd3913c9ecd24e423853b33c3964d8d78ae3b66c10ab644927137b879ec3

Download Submit
memory/2064-11-0x000000007300E000-0x000000007300F000-memory.dmp

Filesize
4KB

Download
memory/2064-12-0x0000000000F20000-0x00000000010CA000-memory.dmp

Filesize
1.7MB

Download
memory/2064-13-0x0000000005A40000-0x0000000005ADC000-memory.dmp

Filesize
624KB

Download
memory/2064-14-0x0000000073000000-0x00000000737B0000-memory.dmp

Filesize
7.7MB

Download
memory/2064-15-0x0000000003490000-0x00000000034D2000-memory.dmp

Filesize
264KB

Download
memory/2064-16-0x00000000061C0000-0x0000000006764000-memory.dmp

Filesize
5.6MB

Download
memory/2064-22-0x0000000073000000-0x00000000737B0000-memory.dmp

Filesize
7.7MB

Download
memory/4908-19-0x0000000073000000-0x00000000737B0000-memory.dmp

Filesize
7.7MB

Download
memory/4908-20-0x00000000053C0000-0x0000000005452000-memory.dmp

Filesize
584KB

Download
memory/4908-21-0x0000000073000000-0x00000000737B0000-memory.dmp

Filesize
7.7MB

Download
memory/4908-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4908-23-0x00000000055D0000-0x00000000055E8000-memory.dmp

Filesize
96KB

Download
memory/4908-24-0x0000000006260000-0x00000000062C6000-memory.dmp

Filesize
408KB

Download
memory/4908-25-0x0000000073000000-0x00000000737B0000-memory.dmp

Filesize
7.7MB

Download
memory/4908-26-0x0000000073000000-0x00000000737B0000-memory.dmp

Filesize
7.7MB

Download
memory/4908-27-0x00000000067F0000-0x0000000006840000-memory.dmp

Filesize
320KB

Download
memory/4908-28-0x0000000006850000-0x000000000685A000-memory.dmp

Filesize
40KB

Download