agenttesla | ee66a185008549b9ca0c687a78aa6a69e4770dd12cab9dc63d5346c1f570904b

Resubmissions

12/03/2025, 21:32

250312-1dmynatxey 10

11/03/2025, 16:10

250311-tmgdxaxnx4 10

06/03/2025, 02:30

250306-cze8yav1az 10

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
06/03/2025, 02:30

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General

Target

099355d506f15966ba946cd6f58a72f6c02c73232349cf7f2d6af5641eed0ceb.exe
Size

296KB
MD5

d88fc1f23009d945ef6096b14a2b52ff
SHA1

c1a7e896034692aa6ae337d9034aa09baedac9d8
SHA256

099355d506f15966ba946cd6f58a72f6c02c73232349cf7f2d6af5641eed0ceb
SHA512

359d8d15130582112dcff3a5ec596f23d9ce5cfec60b011d1d5623919e5f9581f49ae1b9fc47a177d16002baa8b8dbced2413740664ffaa0fcf61bfbc9a321ea
SSDEEP

6144:/thH4bzgXvWApfRS55SR7KFdWSuzW2oQyI6PHC5D6XGC:l+cXvxpZY4WDuzWCY2C

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.boydsteamships.com
Port:
587
Username:
[email protected]
Password:
co*tNjEBt4

Signatures

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

AgentTesla payload 6 IoCs

resource	yara_rule
behavioral1/memory/2468-7-0x0000000000080000-0x00000000000BC000-memory.dmp	family_agenttesla
behavioral1/memory/2468-6-0x0000000000080000-0x00000000000BC000-memory.dmp	family_agenttesla
behavioral1/memory/2468-16-0x0000000000080000-0x00000000000BC000-memory.dmp	family_agenttesla
behavioral1/memory/2468-12-0x0000000000080000-0x00000000000BC000-memory.dmp	family_agenttesla
behavioral1/memory/2468-19-0x0000000000080000-0x00000000000BC000-memory.dmp	family_agenttesla
behavioral1/memory/2468-11-0x0000000000080000-0x00000000000BC000-memory.dmp	family_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
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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	099355d506f15966ba946cd6f58a72f6c02c73232349cf7f2d6af5641eed0ceb.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	099355d506f15966ba946cd6f58a72f6c02c73232349cf7f2d6af5641eed0ceb.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	099355d506f15966ba946cd6f58a72f6c02c73232349cf7f2d6af5641eed0ceb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2328 set thread context of 2468	2328	099355d506f15966ba946cd6f58a72f6c02c73232349cf7f2d6af5641eed0ceb.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 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	099355d506f15966ba946cd6f58a72f6c02c73232349cf7f2d6af5641eed0ceb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	099355d506f15966ba946cd6f58a72f6c02c73232349cf7f2d6af5641eed0ceb.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2468	099355d506f15966ba946cd6f58a72f6c02c73232349cf7f2d6af5641eed0ceb.exe
2468	099355d506f15966ba946cd6f58a72f6c02c73232349cf7f2d6af5641eed0ceb.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2328	099355d506f15966ba946cd6f58a72f6c02c73232349cf7f2d6af5641eed0ceb.exe
Token: SeDebugPrivilege	2468	099355d506f15966ba946cd6f58a72f6c02c73232349cf7f2d6af5641eed0ceb.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2468	2328	099355d506f15966ba946cd6f58a72f6c02c73232349cf7f2d6af5641eed0ceb.exe	31
PID 2328 wrote to memory of 2468	2328	099355d506f15966ba946cd6f58a72f6c02c73232349cf7f2d6af5641eed0ceb.exe	31
PID 2328 wrote to memory of 2468	2328	099355d506f15966ba946cd6f58a72f6c02c73232349cf7f2d6af5641eed0ceb.exe	31
PID 2328 wrote to memory of 2468	2328	099355d506f15966ba946cd6f58a72f6c02c73232349cf7f2d6af5641eed0ceb.exe	31
PID 2328 wrote to memory of 2468	2328	099355d506f15966ba946cd6f58a72f6c02c73232349cf7f2d6af5641eed0ceb.exe	31
PID 2328 wrote to memory of 2468	2328	099355d506f15966ba946cd6f58a72f6c02c73232349cf7f2d6af5641eed0ceb.exe	31
PID 2328 wrote to memory of 2468	2328	099355d506f15966ba946cd6f58a72f6c02c73232349cf7f2d6af5641eed0ceb.exe	31
PID 2328 wrote to memory of 2468	2328	099355d506f15966ba946cd6f58a72f6c02c73232349cf7f2d6af5641eed0ceb.exe	31
PID 2328 wrote to memory of 2468	2328	099355d506f15966ba946cd6f58a72f6c02c73232349cf7f2d6af5641eed0ceb.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	099355d506f15966ba946cd6f58a72f6c02c73232349cf7f2d6af5641eed0ceb.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	099355d506f15966ba946cd6f58a72f6c02c73232349cf7f2d6af5641eed0ceb.exe

C:\Users\Admin\AppData\Local\Temp\099355d506f15966ba946cd6f58a72f6c02c73232349cf7f2d6af5641eed0ceb.exe
"C:\Users\Admin\AppData\Local\Temp\099355d506f15966ba946cd6f58a72f6c02c73232349cf7f2d6af5641eed0ceb.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Users\Admin\AppData\Local\Temp\099355d506f15966ba946cd6f58a72f6c02c73232349cf7f2d6af5641eed0ceb.exe
  "C:\Users\Admin\AppData\Local\Temp\099355d506f15966ba946cd6f58a72f6c02c73232349cf7f2d6af5641eed0ceb.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:2468

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

Discovery

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

memory/2328-0-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

Filesize
4KB

Download
memory/2328-1-0x00000000000C0000-0x0000000000110000-memory.dmp

Filesize
320KB

Download
memory/2328-2-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download
memory/2328-21-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download
memory/2468-16-0x0000000000080000-0x00000000000BC000-memory.dmp

Filesize
240KB

Download
memory/2468-7-0x0000000000080000-0x00000000000BC000-memory.dmp

Filesize
240KB

Download
memory/2468-5-0x0000000000080000-0x00000000000BC000-memory.dmp

Filesize
240KB

Download
memory/2468-6-0x0000000000080000-0x00000000000BC000-memory.dmp

Filesize
240KB

Download
memory/2468-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2468-12-0x0000000000080000-0x00000000000BC000-memory.dmp

Filesize
240KB

Download
memory/2468-19-0x0000000000080000-0x00000000000BC000-memory.dmp

Filesize
240KB

Download
memory/2468-11-0x0000000000080000-0x00000000000BC000-memory.dmp

Filesize
240KB

Download
memory/2468-20-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download
memory/2468-3-0x0000000000080000-0x00000000000BC000-memory.dmp

Filesize
240KB

Download
memory/2468-22-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download
memory/2468-23-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download
memory/2468-24-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download