agenttesla | 23b1d048509d2cd778700636271f40e42e26a3c98bf1bca7cce9678112ccf229

General

Target

23b1d048509d2cd778700636271f40e42e26a3c98bf1bca7cce9678112ccf229.exe
Size

1.1MB
MD5

704f90b4d0eb8b2c5d76d119d1130039
SHA1

dc6f4b12fecd17cbe87ca33ebae113a942849f80
SHA256

23b1d048509d2cd778700636271f40e42e26a3c98bf1bca7cce9678112ccf229
SHA512

4a48a8838c2334291a6f48e456cb30d283d8320d2e4f4700fcaa7a2f968a426d0f54620fe1bb2d746b230161caeeb2f1ea6ada19ab6df8a18bc8657ba8d83531

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.xenonaslikno.gr
Port:
587
Username:
info@xenonaslikno.gr
Password:
Fox#UgJVGN#0X

Signatures

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

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3580-125-0x000000000043766E-mapping.dmp	family_agenttesla
behavioral1/memory/3580-128-0x0000000000570000-0x00000000005AC000-memory.dmp	family_agenttesla
behavioral1/memory/3580-132-0x00000000049A0000-0x0000000004E9E000-memory.dmp	family_agenttesla

Executes dropped EXE 1 IoCs

Processes:

InstallUtil.exe

pid process

3580 InstallUtil.exe
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

pid	process
3580	InstallUtil.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

23b1d048509d2cd778700636271f40e42e26a3c98bf1bca7cce9678112ccf229.exe

description	pid	process	target process
PID 2632 set thread context of 3580	2632	23b1d048509d2cd778700636271f40e42e26a3c98bf1bca7cce9678112ccf229.exe	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

23b1d048509d2cd778700636271f40e42e26a3c98bf1bca7cce9678112ccf229.exeInstallUtil.exe

pid process

2632 23b1d048509d2cd778700636271f40e42e26a3c98bf1bca7cce9678112ccf229.exe
3580 InstallUtil.exe
3580 InstallUtil.exe

pid	process
2632	23b1d048509d2cd778700636271f40e42e26a3c98bf1bca7cce9678112ccf229.exe
3580	InstallUtil.exe
3580	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

23b1d048509d2cd778700636271f40e42e26a3c98bf1bca7cce9678112ccf229.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	2632	23b1d048509d2cd778700636271f40e42e26a3c98bf1bca7cce9678112ccf229.exe
Token: SeDebugPrivilege	3580	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

23b1d048509d2cd778700636271f40e42e26a3c98bf1bca7cce9678112ccf229.exe

description	pid	process	target process
PID 2632 wrote to memory of 3580	2632	23b1d048509d2cd778700636271f40e42e26a3c98bf1bca7cce9678112ccf229.exe	InstallUtil.exe
PID 2632 wrote to memory of 3580	2632	23b1d048509d2cd778700636271f40e42e26a3c98bf1bca7cce9678112ccf229.exe	InstallUtil.exe
PID 2632 wrote to memory of 3580	2632	23b1d048509d2cd778700636271f40e42e26a3c98bf1bca7cce9678112ccf229.exe	InstallUtil.exe
PID 2632 wrote to memory of 3580	2632	23b1d048509d2cd778700636271f40e42e26a3c98bf1bca7cce9678112ccf229.exe	InstallUtil.exe
PID 2632 wrote to memory of 3580	2632	23b1d048509d2cd778700636271f40e42e26a3c98bf1bca7cce9678112ccf229.exe	InstallUtil.exe
PID 2632 wrote to memory of 3580	2632	23b1d048509d2cd778700636271f40e42e26a3c98bf1bca7cce9678112ccf229.exe	InstallUtil.exe
PID 2632 wrote to memory of 3580	2632	23b1d048509d2cd778700636271f40e42e26a3c98bf1bca7cce9678112ccf229.exe	InstallUtil.exe
PID 2632 wrote to memory of 3580	2632	23b1d048509d2cd778700636271f40e42e26a3c98bf1bca7cce9678112ccf229.exe	InstallUtil.exe

outlook_office_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\23b1d048509d2cd778700636271f40e42e26a3c98bf1bca7cce9678112ccf229.exe
"C:\Users\Admin\AppData\Local\Temp\23b1d048509d2cd778700636271f40e42e26a3c98bf1bca7cce9678112ccf229.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2632

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
"C:\Users\Admin\AppData\Local\Temp\\InstallUtil.exe"
2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3580

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

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\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
memory/2632-117-0x0000000004F70000-0x0000000004F71000-memory.dmp

Filesize
4KB

Download
memory/2632-118-0x0000000004A70000-0x0000000004A71000-memory.dmp

Filesize
4KB

Download
memory/2632-119-0x0000000004B10000-0x0000000004B11000-memory.dmp

Filesize
4KB

Download
memory/2632-120-0x0000000004A70000-0x0000000004F6E000-memory.dmp

Filesize
5.0MB

Download
memory/2632-121-0x00000000022C0000-0x00000000022E4000-memory.dmp

Filesize
144KB

Download
memory/2632-122-0x000000000C350000-0x000000000C351000-memory.dmp

Filesize
4KB

Download
memory/2632-123-0x00000000116F0000-0x00000000116FA000-memory.dmp

Filesize
40KB

Download
memory/2632-115-0x00000000000B0000-0x00000000000B1000-memory.dmp

Filesize
4KB

Download
memory/3580-125-0x000000000043766E-mapping.dmp

Download
memory/3580-128-0x0000000000570000-0x00000000005AC000-memory.dmp

Filesize
240KB

Download
memory/3580-132-0x00000000049A0000-0x0000000004E9E000-memory.dmp

Filesize
5.0MB

Download
memory/3580-133-0x0000000004E30000-0x0000000004E31000-memory.dmp

Filesize
4KB

Download
memory/3580-134-0x0000000005700000-0x0000000005701000-memory.dmp

Filesize
4KB

Download
memory/3580-137-0x00000000049A0000-0x0000000004E9E000-memory.dmp

Filesize
5.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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