agenttesla | cae64c130c8e3cd4216616875bb3ec86626eccb18bf35bc7807179c9c31bc43c

General

Target

PuteraQuote.exe
Size

551KB
MD5

17a99416bdef6913f33c12165c433b78
SHA1

c6c53f51c89c3aaa267b6d534259c38707d651de
SHA256

78fe45d6d5097ad57ebd01a350321546e60e79451b89ff0c45ca781f3c4e35fd
SHA512

198f71be625633f007c8760fca8ea3a77d6ce75851670b6d1f688250777e6e85b4952195a493dffa5cd928ca87c8c6844881b082f041c9d28d94c3c361cb7f90

Score

10^/10

agenttesla collection evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
ike2020.xyz
Port:
587
Username:
[email protected]
Password:
$logs2020

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/1724-59-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1724-60-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1724-61-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1724-62-0x00000000004471DE-mapping.dmp	family_agenttesla
behavioral1/memory/1724-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1724-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

PuteraQuote.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	PuteraQuote.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	PuteraQuote.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

PuteraQuote.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	PuteraQuote.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	PuteraQuote.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PuteraQuote.exe

description pid process target process

PID 1708 set thread context of 1724 1708 PuteraQuote.exe MSBuild.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

MSBuild.exe

pid process

1724 MSBuild.exe
1724 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 1724 MSBuild.exe

description	pid	process	target process
PID 1708 set thread context of 1724	1708	PuteraQuote.exe	MSBuild.exe

pid	process
1724	MSBuild.exe
1724	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	1724	MSBuild.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

PuteraQuote.exe

description	pid	process	target process
PID 1708 wrote to memory of 1724	1708	PuteraQuote.exe	MSBuild.exe
PID 1708 wrote to memory of 1724	1708	PuteraQuote.exe	MSBuild.exe
PID 1708 wrote to memory of 1724	1708	PuteraQuote.exe	MSBuild.exe
PID 1708 wrote to memory of 1724	1708	PuteraQuote.exe	MSBuild.exe
PID 1708 wrote to memory of 1724	1708	PuteraQuote.exe	MSBuild.exe
PID 1708 wrote to memory of 1724	1708	PuteraQuote.exe	MSBuild.exe
PID 1708 wrote to memory of 1724	1708	PuteraQuote.exe	MSBuild.exe
PID 1708 wrote to memory of 1724	1708	PuteraQuote.exe	MSBuild.exe
PID 1708 wrote to memory of 1724	1708	PuteraQuote.exe	MSBuild.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\PuteraQuote.exe
"C:\Users\Admin\AppData\Local\Temp\PuteraQuote.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1708

C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1724

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

4

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

2

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1708-54-0x00000000758D1000-0x00000000758D3000-memory.dmp

Filesize
8KB

Download
memory/1708-55-0x0000000074760000-0x0000000074D0B000-memory.dmp

Filesize
5.7MB

Download
memory/1724-57-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1724-56-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1724-59-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1724-60-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1724-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1724-62-0x00000000004471DE-mapping.dmp

Download
memory/1724-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1724-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1724-68-0x00000000741B0000-0x000000007475B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads