agenttesla | 18fcb8604dc88c010d786be917f618a461876f5db6f80f1f8a64bc3b8fe48a98 | Triage

Resubmissions

24-07-2023 06:32

230724-haylwaag65 10

16-07-2023 18:15

230716-wwbacshb7z 10

Analysis

max time kernel
115s
max time network
34s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
24-07-2023 06:32

Sharing

Report Analysis Logs

General

Target

1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe
Size

893KB
MD5

fc244b1c847df436078ad4be6fc87b31
SHA1

fe3e0ecfd542f62e35b4ff70820d927b4bb16bb6
SHA256

1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93
SHA512

98bf67fb3d7a79c9b635f2ca591408cf5d1c65731bd79c26da9d6a381ed7fcf1acaf7123135de9402c022b43257d69342bc291e460b98ea35a4b901ea1685316
SSDEEP

12288:WZaKM/1q9I6/kldSCGDyaod+ik4g8y3SoDSNgk6u+IKlw7xGJk4xmHLOXOiuSJ:WZnM/OPW2rEloDCgk6gKSdJ4xAaln

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.pharco--corp.com
Port:
587
Username:
[email protected]
Password:
tHKfMRa2

Signatures

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

AgentTesla payload 7 IoCs

Processes:

resource	yara_rule
behavioral7/memory/2856-65-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral7/memory/2856-67-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral7/memory/2856-71-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral7/memory/2856-73-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral7/memory/2856-75-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral7/memory/2856-78-0x0000000005030000-0x0000000005070000-memory.dmp	family_agenttesla
behavioral7/memory/2856-82-0x0000000005030000-0x0000000005070000-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 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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

Email Collection

Processes:

1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe
Key opened	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe
Key opened	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe

description	pid	process	target process
PID 2840 set thread context of 2856	2840	1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe	1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe

pid	process
2856	1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe
2856	1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe

description pid process

Token: SeDebugPrivilege 2856 1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe

description	pid	process	target process
PID 2840 wrote to memory of 2856	2840	1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe	1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe
PID 2840 wrote to memory of 2856	2840	1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe	1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe
PID 2840 wrote to memory of 2856	2840	1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe	1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe
PID 2840 wrote to memory of 2856	2840	1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe	1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe
PID 2840 wrote to memory of 2856	2840	1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe	1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe
PID 2840 wrote to memory of 2856	2840	1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe	1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe
PID 2840 wrote to memory of 2856	2840	1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe	1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe
PID 2840 wrote to memory of 2856	2840	1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe	1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe
PID 2840 wrote to memory of 2856	2840	1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe	1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe

outlook_office_path 1 IoCs

Processes:

1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe

outlook_win_path 1 IoCs

Processes:

1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe

C:\Users\Admin\AppData\Local\Temp\1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe
"C:\Users\Admin\AppData\Local\Temp\1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2840

C:\Users\Admin\AppData\Local\Temp\1d9b74bfd7d922cfd20bc8197eb35c39ac6d4ed60b918b83133feb4ea7973c93.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2856

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

Credentials In Files

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2840-76-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download
memory/2840-56-0x0000000000370000-0x000000000037A000-memory.dmp

Filesize
40KB

Download
memory/2840-54-0x00000000010A0000-0x0000000001186000-memory.dmp

Filesize
920KB

Download
memory/2840-57-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download
memory/2840-58-0x00000000070E0000-0x0000000007120000-memory.dmp

Filesize
256KB

Download
memory/2840-59-0x0000000001020000-0x0000000001074000-memory.dmp

Filesize
336KB

Download
memory/2840-60-0x00000000070E0000-0x0000000007120000-memory.dmp

Filesize
256KB

Download
memory/2840-55-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download
memory/2856-69-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2856-75-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2856-82-0x0000000005030000-0x0000000005070000-memory.dmp

Filesize
256KB

Download
memory/2856-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2856-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2856-71-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2856-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2856-73-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2856-79-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download
memory/2856-78-0x0000000005030000-0x0000000005070000-memory.dmp

Filesize
256KB

Download
memory/2856-77-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download
memory/2856-80-0x0000000005030000-0x0000000005070000-memory.dmp

Filesize
256KB

Download
memory/2856-81-0x0000000005030000-0x0000000005070000-memory.dmp

Filesize
256KB

Download
memory/2856-67-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download