agenttesla | 00c5535a4f5570271020fce98f8e04f22e119411564dfd3077a911b817f15283

General

Target

JaffaCakes118_00c5535a4f5570271020fce98f8e04f22e119411564dfd3077a911b817f15283.exe
Size

240KB
MD5

1c3c938190527b2c558e5e633722be9b
SHA1

2c392dedcb02e09164d7c407155f99b243e1db3e
SHA256

00c5535a4f5570271020fce98f8e04f22e119411564dfd3077a911b817f15283
SHA512

533432b4920f3e0f0b6e5035620357658a767b719c7d70fbe07e89d6db39bf6561559c9ec54033cc1e06a28b90109eae02348858d887dec291adf888115d44b8
SSDEEP

6144:NT1KoxC1246aYHZiUa6kQJjfZWRV/2vvEx:DKoE24PY7gDx

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.heatherthomson.com
Port:
587
Username:
[email protected]
Password:
Fab4Fit!!

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.heatherthomson.com
Port:
587
Username:
[email protected]
Password:
Fab4Fit!!
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Agenttesla family
agenttesla
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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_00c5535a4f5570271020fce98f8e04f22e119411564dfd3077a911b817f15283.exe
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_00c5535a4f5570271020fce98f8e04f22e119411564dfd3077a911b817f15283.exe
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_00c5535a4f5570271020fce98f8e04f22e119411564dfd3077a911b817f15283.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\jrQRb = "C:\\Users\\Admin\\AppData\\Roaming\\jrQRb\\jrQRb.exe"	JaffaCakes118_00c5535a4f5570271020fce98f8e04f22e119411564dfd3077a911b817f15283.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
5	api.ipify.org
4	api.ipify.org

System Location Discovery: System Language Discovery 1 TTPs 1 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_00c5535a4f5570271020fce98f8e04f22e119411564dfd3077a911b817f15283.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2876	JaffaCakes118_00c5535a4f5570271020fce98f8e04f22e119411564dfd3077a911b817f15283.exe
2876	JaffaCakes118_00c5535a4f5570271020fce98f8e04f22e119411564dfd3077a911b817f15283.exe
2876	JaffaCakes118_00c5535a4f5570271020fce98f8e04f22e119411564dfd3077a911b817f15283.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2876	JaffaCakes118_00c5535a4f5570271020fce98f8e04f22e119411564dfd3077a911b817f15283.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2876	JaffaCakes118_00c5535a4f5570271020fce98f8e04f22e119411564dfd3077a911b817f15283.exe

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_00c5535a4f5570271020fce98f8e04f22e119411564dfd3077a911b817f15283.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_00c5535a4f5570271020fce98f8e04f22e119411564dfd3077a911b817f15283.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_00c5535a4f5570271020fce98f8e04f22e119411564dfd3077a911b817f15283.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_00c5535a4f5570271020fce98f8e04f22e119411564dfd3077a911b817f15283.exe"
1⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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

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Downloads

memory/2876-0-0x0000000074CCE000-0x0000000074CCF000-memory.dmp

Filesize
4KB

Download
memory/2876-1-0x0000000000080000-0x00000000000BC000-memory.dmp

Filesize
240KB

Download
memory/2876-2-0x0000000074CC0000-0x00000000753AE000-memory.dmp

Filesize
6.9MB

Download
memory/2876-8-0x0000000074CCE000-0x0000000074CCF000-memory.dmp

Filesize
4KB

Download
memory/2876-9-0x0000000074CC0000-0x00000000753AE000-memory.dmp

Filesize
6.9MB

Download
memory/2876-10-0x0000000074CC0000-0x00000000753AE000-memory.dmp

Filesize
6.9MB

Download
memory/2876-11-0x0000000074CC0000-0x00000000753AE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads