agenttesla | acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb | Triage

Analysis

max time kernel
155s
max time network
50s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
28-11-2022 08:56

Sharing

Report Analysis Logs

General

Target

acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe
Size

417KB
MD5

e137f2deb74a16a25a82475adc363dc0
SHA1

d86972c462941a7181eb79071f22a921f6333cc5
SHA256

acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb
SHA512

6cef8d6814ee886c2ab117b69b6bd7aa495382c7f6ca283811987aaffa827f0ff0da8d38541845b3b4f9dcc756cbda8830e47d883ecde6ba7d34757d70e04cde
SSDEEP

6144:Q61a5zM7FUJWHYdj75/c8s7ZMNM/GOASSAKG5x6trlICIkRPf1oFeDsUH:appJ5dxk8kCSFASRL5x6llekR31o

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.perfectgenerators.com
Port:
587
Username:
dispatch.lko@perfectgenerators.com
Password:
Dispatch@78

Signatures

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

AgentTesla payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1740-61-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1740-62-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1740-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1740-64-0x0000000000447BCE-mapping.dmp	family_agenttesla
behavioral1/memory/1740-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1740-68-0x0000000000400000-0x000000000044C000-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
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

Email Collection

Processes:

acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe

description	pid	process	target process
PID 1628 set thread context of 1740	1628	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe

pid	process
1740	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe
1740	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe

description pid process

Token: SeDebugPrivilege 1740 acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe

description	pid	process	target process
PID 1628 wrote to memory of 1740	1628	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe
PID 1628 wrote to memory of 1740	1628	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe
PID 1628 wrote to memory of 1740	1628	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe
PID 1628 wrote to memory of 1740	1628	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe
PID 1628 wrote to memory of 1740	1628	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe
PID 1628 wrote to memory of 1740	1628	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe
PID 1628 wrote to memory of 1740	1628	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe
PID 1628 wrote to memory of 1740	1628	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe
PID 1628 wrote to memory of 1740	1628	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe

outlook_office_path 1 IoCs

Processes:

acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe

outlook_win_path 1 IoCs

Processes:

acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe

C:\Users\Admin\AppData\Local\Temp\acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe
"C:\Users\Admin\AppData\Local\Temp\acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1628

C:\Users\Admin\AppData\Local\Temp\acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe
"C:\Users\Admin\AppData\Local\Temp\acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1740

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1628-54-0x0000000001080000-0x00000000010EE000-memory.dmp

Filesize
440KB

Download
memory/1628-55-0x0000000000270000-0x0000000000278000-memory.dmp

Filesize
32KB

Download
memory/1628-56-0x0000000000440000-0x00000000004A0000-memory.dmp

Filesize
384KB

Download
memory/1628-57-0x00000000003F0000-0x00000000003FA000-memory.dmp

Filesize
40KB

Download
memory/1740-58-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1740-59-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1740-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1740-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1740-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1740-64-0x0000000000447BCE-mapping.dmp

Download
memory/1740-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1740-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1740-69-0x0000000075831000-0x0000000075833000-memory.dmp

Filesize
8KB

Download