agenttesla | aaf9e62823296f07f2056a5c60cd24437985a71bcf5fa7c12d7dc9a7810c240f

General

Target

RFQ_FOB China port NOVDEC.exe
Size

649KB
MD5

7721437ab39629ba0cafdf4a010d4a05
SHA1

c3377d53a1f92949125a3c8eace5227fc68561b4
SHA256

aaf9e62823296f07f2056a5c60cd24437985a71bcf5fa7c12d7dc9a7810c240f
SHA512

2e8f26f45afc14768d43c46b756e50a226ff853135a2261dd7805fd301a7ecd975e2222d4f8a92a49c14993e307c4ac38e4cb86bc075f7179b168dfba1a05ea5
SSDEEP

12288:H7HJ4bDhlABfUnbTqwns2Hhm4yxW/i5lRzJ5mhdSbDbVTVn:+hluUvqwn7vyxW/i5zF54AX5F

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.aldantechnoloqy.com
Port:
587
Username:
[email protected]
Password:
Gbo-~_i.X0tv

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RFQ_FOB China port NOVDEC.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ_FOB China port NOVDEC.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ_FOB China port NOVDEC.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ_FOB China port NOVDEC.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.

Processes:

flow ioc

5 api.ipify.org
4 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

RFQ_FOB China port NOVDEC.exe

description pid process target process

PID 1816 set thread context of 1212 1816 RFQ_FOB China port NOVDEC.exe RFQ_FOB China port NOVDEC.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

2040 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

RFQ_FOB China port NOVDEC.exeRFQ_FOB China port NOVDEC.exe

pid process

1816 RFQ_FOB China port NOVDEC.exe
1212 RFQ_FOB China port NOVDEC.exe
1212 RFQ_FOB China port NOVDEC.exe
1212 RFQ_FOB China port NOVDEC.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RFQ_FOB China port NOVDEC.exeRFQ_FOB China port NOVDEC.exe

description pid process

Token: SeDebugPrivilege 1816 RFQ_FOB China port NOVDEC.exe
Token: SeDebugPrivilege 1212 RFQ_FOB China port NOVDEC.exe

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

description	pid	process	target process
PID 1816 set thread context of 1212	1816	RFQ_FOB China port NOVDEC.exe	RFQ_FOB China port NOVDEC.exe

pid	process
2040	schtasks.exe

pid	process
1816	RFQ_FOB China port NOVDEC.exe
1212	RFQ_FOB China port NOVDEC.exe
1212	RFQ_FOB China port NOVDEC.exe
1212	RFQ_FOB China port NOVDEC.exe

description	pid	process
Token: SeDebugPrivilege	1816	RFQ_FOB China port NOVDEC.exe
Token: SeDebugPrivilege	1212	RFQ_FOB China port NOVDEC.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

RFQ_FOB China port NOVDEC.exe

description	pid	process	target process
PID 1816 wrote to memory of 2040	1816	RFQ_FOB China port NOVDEC.exe	schtasks.exe
PID 1816 wrote to memory of 2040	1816	RFQ_FOB China port NOVDEC.exe	schtasks.exe
PID 1816 wrote to memory of 2040	1816	RFQ_FOB China port NOVDEC.exe	schtasks.exe
PID 1816 wrote to memory of 2040	1816	RFQ_FOB China port NOVDEC.exe	schtasks.exe
PID 1816 wrote to memory of 1212	1816	RFQ_FOB China port NOVDEC.exe	RFQ_FOB China port NOVDEC.exe
PID 1816 wrote to memory of 1212	1816	RFQ_FOB China port NOVDEC.exe	RFQ_FOB China port NOVDEC.exe
PID 1816 wrote to memory of 1212	1816	RFQ_FOB China port NOVDEC.exe	RFQ_FOB China port NOVDEC.exe
PID 1816 wrote to memory of 1212	1816	RFQ_FOB China port NOVDEC.exe	RFQ_FOB China port NOVDEC.exe
PID 1816 wrote to memory of 1212	1816	RFQ_FOB China port NOVDEC.exe	RFQ_FOB China port NOVDEC.exe
PID 1816 wrote to memory of 1212	1816	RFQ_FOB China port NOVDEC.exe	RFQ_FOB China port NOVDEC.exe
PID 1816 wrote to memory of 1212	1816	RFQ_FOB China port NOVDEC.exe	RFQ_FOB China port NOVDEC.exe
PID 1816 wrote to memory of 1212	1816	RFQ_FOB China port NOVDEC.exe	RFQ_FOB China port NOVDEC.exe
PID 1816 wrote to memory of 1212	1816	RFQ_FOB China port NOVDEC.exe	RFQ_FOB China port NOVDEC.exe

outlook_office_path 1 IoCs

Processes:

RFQ_FOB China port NOVDEC.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ_FOB China port NOVDEC.exe

outlook_win_path 1 IoCs

Processes:

RFQ_FOB China port NOVDEC.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ_FOB China port NOVDEC.exe

C:\Users\Admin\AppData\Local\Temp\RFQ_FOB China port NOVDEC.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ_FOB China port NOVDEC.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1816

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aqCWLn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA1EB.tmp"
2⤵
- Creates scheduled task(s)
PID:2040

C:\Users\Admin\AppData\Local\Temp\RFQ_FOB China port NOVDEC.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1212

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA1EB.tmp
Filesize
1KB

MD5
10b01797c55fa09c35aef6aa5f3f0537

SHA1
b49b534aff27f387b49f9abdf03881309e3712f5

SHA256
59b4fedf155852e77b26e6c6ba2b490f4886f63d594dbbe938abd1b2741e454b

SHA512
3af38d2e65b807cdc1bf25575fa816b002c8e24208380bb41126adc4946caf71c0941aa922745f1d59b387324d39a4652b3818f66e42ac616d6b17e5c0f9a42c

Download Submit
memory/1212-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1212-66-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1212-71-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1212-69-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1212-67-0x0000000000437C6E-mapping.dmp

Download
memory/1212-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1212-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1212-62-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1816-54-0x0000000000310000-0x00000000003B8000-memory.dmp

Filesize
672KB

Download
memory/1816-55-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

Filesize
8KB

Download
memory/1816-56-0x00000000002E0000-0x00000000002F2000-memory.dmp

Filesize
72KB

Download
memory/1816-58-0x0000000000780000-0x00000000007BC000-memory.dmp

Filesize
240KB

Download
memory/1816-57-0x0000000005CE0000-0x0000000005D66000-memory.dmp

Filesize
536KB

Download
memory/2040-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads