agenttesla | caef9e906b0768d4134a8fc2a9523554b23bb9980668c299106d1ace32cbbaef

General

Target

INV & Packing List.exe
Size

807KB
MD5

40264f53f0f83bfd21df75e22db2b0ea
SHA1

93171e1bd1c33212724b3b3e5238f0c83531fc7e
SHA256

caef9e906b0768d4134a8fc2a9523554b23bb9980668c299106d1ace32cbbaef
SHA512

7f7f85a39e3bce3f3c0465c97a3367f2d2860bfeb67d3f7a17f8342c7742d1280681fdefda5d1f418f64da22b7e6877e677134d8c36628389c06f4465fe9bfd6
SSDEEP

24576:NU676CSkFg/IyXt5TKhwlZzE9H/0XPG5X:KlkoXfxZsf6Q

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.strictfacilityservices.com
Port:
587
Username:
[email protected]
Password:
SFS!@#321
Email To:
[email protected]

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:

INV & Packing List.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	INV & Packing List.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV & Packing List.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV & Packing List.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

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

Processes:

INV & Packing List.exe

description pid process target process

PID 1324 set thread context of 268 1324 INV & Packing List.exe INV & Packing List.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

672 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

INV & Packing List.exeINV & Packing List.exe

pid process

1324 INV & Packing List.exe
268 INV & Packing List.exe
268 INV & Packing List.exe
268 INV & Packing List.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

INV & Packing List.exeINV & Packing List.exe

description pid process

Token: SeDebugPrivilege 1324 INV & Packing List.exe
Token: SeDebugPrivilege 268 INV & Packing List.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

INV & Packing List.exe

pid process

268 INV & Packing List.exe

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

description	pid	process	target process
PID 1324 set thread context of 268	1324	INV & Packing List.exe	INV & Packing List.exe

pid	process
672	schtasks.exe

pid	process
1324	INV & Packing List.exe
268	INV & Packing List.exe
268	INV & Packing List.exe
268	INV & Packing List.exe

description	pid	process
Token: SeDebugPrivilege	1324	INV & Packing List.exe
Token: SeDebugPrivilege	268	INV & Packing List.exe

pid	process
268	INV & Packing List.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

INV & Packing List.exe

description	pid	process	target process
PID 1324 wrote to memory of 672	1324	INV & Packing List.exe	schtasks.exe
PID 1324 wrote to memory of 672	1324	INV & Packing List.exe	schtasks.exe
PID 1324 wrote to memory of 672	1324	INV & Packing List.exe	schtasks.exe
PID 1324 wrote to memory of 672	1324	INV & Packing List.exe	schtasks.exe
PID 1324 wrote to memory of 268	1324	INV & Packing List.exe	INV & Packing List.exe
PID 1324 wrote to memory of 268	1324	INV & Packing List.exe	INV & Packing List.exe
PID 1324 wrote to memory of 268	1324	INV & Packing List.exe	INV & Packing List.exe
PID 1324 wrote to memory of 268	1324	INV & Packing List.exe	INV & Packing List.exe
PID 1324 wrote to memory of 268	1324	INV & Packing List.exe	INV & Packing List.exe
PID 1324 wrote to memory of 268	1324	INV & Packing List.exe	INV & Packing List.exe
PID 1324 wrote to memory of 268	1324	INV & Packing List.exe	INV & Packing List.exe
PID 1324 wrote to memory of 268	1324	INV & Packing List.exe	INV & Packing List.exe
PID 1324 wrote to memory of 268	1324	INV & Packing List.exe	INV & Packing List.exe

outlook_office_path 1 IoCs

Processes:

INV & Packing List.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	INV & Packing List.exe

outlook_win_path 1 IoCs

Processes:

INV & Packing List.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	INV & Packing List.exe

C:\Users\Admin\AppData\Local\Temp\INV & Packing List.exe
"C:\Users\Admin\AppData\Local\Temp\INV & Packing List.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1324

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RWbWWa" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAB0F.tmp"
2⤵
- Creates scheduled task(s)
PID:672

C:\Users\Admin\AppData\Local\Temp\INV & Packing List.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:268

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\tmpAB0F.tmp
Filesize
1KB

MD5
8a12d8faa2c632a3286eab16aed4eb7d

SHA1
5df435cb98af178e1a9c6c40c84aed2b71e95742

SHA256
950878f78629948f694ed2c110c60918bdaf1642fe53cd3830a540d3897cbf9b

SHA512
809400a6b35f69b589f41c37f62aa9bdf6aec0cb7ba002a3141b80e96a46d72d77b0c698036098b178b2b7e08ddbf3701bff3147eb31ed0ae9d9f8805eaf939c

Download Submit
memory/268-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/268-67-0x0000000000437B9E-mapping.dmp

Download
memory/268-71-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/268-69-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/268-66-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/268-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/268-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/268-62-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/672-59-0x0000000000000000-mapping.dmp

Download
memory/1324-54-0x0000000000EB0000-0x0000000000F80000-memory.dmp

Filesize
832KB

Download
memory/1324-55-0x00000000752B1000-0x00000000752B3000-memory.dmp

Filesize
8KB

Download
memory/1324-56-0x00000000007B0000-0x00000000007C2000-memory.dmp

Filesize
72KB

Download
memory/1324-58-0x0000000000CB0000-0x0000000000CEC000-memory.dmp

Filesize
240KB

Download
memory/1324-57-0x00000000057C0000-0x0000000005846000-memory.dmp

Filesize
536KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads