agenttesla | 5955f46583f4924d71111f2da328a70cd8992785d56c0452e8487522d0bff654

General

Target

Factura august.exe
Size

702KB
MD5

a7c001a554d70ce3d9c507f5dc96cec1
SHA1

49fd5f79bf4b7114b944df71794c4f973a4bf3b5
SHA256

810283414d0227a30fde6fd20593769cfc268a36981c0012b541be996a8c6836
SHA512

f0487ff91282ce859a92b1e7c5aeed68c1ae02aa6b9e124be5e4dcd46588e4b1485d64e665cec0c1c54a72ec76417e17310372a76c4ddb5f94c798d3602d2bfa
SSDEEP

6144:3Bz+EE7pnoxuHlzPUPUHogdOURe572Gq8jV5lAtHEseUOuu:3d4zdUPUHoYSq8J5IEseUOuu

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Signatures

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

AgentTesla payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/932-12-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla

Executes dropped EXE 1 IoCs

Processes:

InstallUtil.exe

pid process

932 InstallUtil.exe
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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

pid	process
932	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-1-5-21-17203666-93769886-2545153620-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Factura august.exe

description pid process target process

PID 4592 set thread context of 932 4592 Factura august.exe InstallUtil.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

Factura august.exeInstallUtil.exe

pid process

4592 Factura august.exe
4592 Factura august.exe
4592 Factura august.exe
932 InstallUtil.exe
932 InstallUtil.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Factura august.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 4592 Factura august.exe
Token: SeDebugPrivilege 932 InstallUtil.exe

description	pid	process	target process
PID 4592 set thread context of 932	4592	Factura august.exe	InstallUtil.exe

pid	process
4592	Factura august.exe
4592	Factura august.exe
4592	Factura august.exe
932	InstallUtil.exe
932	InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	4592	Factura august.exe
Token: SeDebugPrivilege	932	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Factura august.exe

description	pid	process	target process
PID 4592 wrote to memory of 932	4592	Factura august.exe	InstallUtil.exe
PID 4592 wrote to memory of 932	4592	Factura august.exe	InstallUtil.exe
PID 4592 wrote to memory of 932	4592	Factura august.exe	InstallUtil.exe
PID 4592 wrote to memory of 932	4592	Factura august.exe	InstallUtil.exe
PID 4592 wrote to memory of 932	4592	Factura august.exe	InstallUtil.exe
PID 4592 wrote to memory of 932	4592	Factura august.exe	InstallUtil.exe
PID 4592 wrote to memory of 932	4592	Factura august.exe	InstallUtil.exe
PID 4592 wrote to memory of 932	4592	Factura august.exe	InstallUtil.exe

outlook_office_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\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-1-5-21-17203666-93769886-2545153620-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\Factura august.exe
"C:\Users\Admin\AppData\Local\Temp\Factura august.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4592

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:932

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

Filesize
41KB

MD5
5d4073b2eb6d217c19f2b22f21bf8d57

SHA1
f0209900fbf08d004b886a0b3ba33ea2b0bf9da8

SHA256
ac1a3f21fcc88f9cee7bf51581eafba24cc76c924f0821deb2afdf1080ddf3d3

SHA512
9ac94880684933ba3407cdc135abc3047543436567af14cd9269c4adc5a6535db7b867d6de0d6238a21b94e69f9890dbb5739155871a624520623a7e56872159

Download Submit
memory/932-19-0x00000000050E0000-0x00000000050F8000-memory.dmp

Filesize
96KB

Download
memory/932-18-0x0000000005180000-0x000000000521C000-memory.dmp

Filesize
624KB

Download
memory/932-12-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/932-17-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/932-25-0x0000000004FB0000-0x0000000004FC0000-memory.dmp

Filesize
64KB

Download
memory/932-24-0x0000000004FB0000-0x0000000004FC0000-memory.dmp

Filesize
64KB

Download
memory/932-23-0x0000000006450000-0x000000000645A000-memory.dmp

Filesize
40KB

Download
memory/932-22-0x0000000006330000-0x0000000006380000-memory.dmp

Filesize
320KB

Download
memory/932-21-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/932-20-0x0000000005620000-0x0000000005686000-memory.dmp

Filesize
408KB

Download
memory/4592-7-0x0000000005D90000-0x0000000005E22000-memory.dmp

Filesize
584KB

Download
memory/4592-5-0x0000000005580000-0x0000000005590000-memory.dmp

Filesize
64KB

Download
memory/4592-4-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/4592-3-0x00000000054D0000-0x00000000054E4000-memory.dmp

Filesize
80KB

Download
memory/4592-0-0x0000000000B20000-0x0000000000BD6000-memory.dmp

Filesize
728KB

Download
memory/4592-1-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/4592-10-0x0000000005FC0000-0x0000000005FCA000-memory.dmp

Filesize
40KB

Download
memory/4592-8-0x0000000005580000-0x0000000005590000-memory.dmp

Filesize
64KB

Download
memory/4592-2-0x0000000005580000-0x0000000005590000-memory.dmp

Filesize
64KB

Download
memory/4592-6-0x0000000006250000-0x00000000067F4000-memory.dmp

Filesize
5.6MB

Download
memory/4592-16-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads