agenttesla | 403cb1ca0a8d1b75f8af7b27a3b4ee1913a14300bc1ed521f83d541db73c86c2

General

Target

New_Order2287.exe
Size

564KB
MD5

2316d4f87db3d5d9040862d411914964
SHA1

137ddfe2380f2f298febf5fb9f8eedab94c1ea48
SHA256

1a6f810afe2bfeebadb01ab981ec29c7f0f8283570ab3a550f6a6cc4634384e2
SHA512

7ce23a2736bb77ccf550cb4aa7be01976e907b0d386d4516cec0183dfb008665b54cc86983afc6ce06dd67a8c9a2f94bbb94adb9e48ed546ce986545e965c034

Score

10^/10

agenttesla collection evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.actionassist.co.uk
Port:
587
Username:
[email protected]
Password:
benjamin76

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/432-62-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/432-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/432-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/432-65-0x0000000000447F0E-mapping.dmp	family_agenttesla
behavioral1/memory/432-67-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/432-69-0x0000000000400000-0x000000000044C000-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:

New_Order2287.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	New_Order2287.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	New_Order2287.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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

New_Order2287.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Order2287.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Order2287.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Order2287.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:

New_Order2287.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	New_Order2287.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	New_Order2287.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

New_Order2287.exe

description pid process target process

PID 560 set thread context of 432 560 New_Order2287.exe New_Order2287.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1328 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

New_Order2287.exe

pid process

432 New_Order2287.exe
432 New_Order2287.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

New_Order2287.exe

description pid process

Token: SeDebugPrivilege 432 New_Order2287.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

New_Order2287.exe

pid process

432 New_Order2287.exe

description	pid	process	target process
PID 560 set thread context of 432	560	New_Order2287.exe	New_Order2287.exe

pid	process
1328	schtasks.exe

pid	process
432	New_Order2287.exe
432	New_Order2287.exe

description	pid	process
Token: SeDebugPrivilege	432	New_Order2287.exe

pid	process
432	New_Order2287.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

New_Order2287.exe

description	pid	process	target process
PID 560 wrote to memory of 1328	560	New_Order2287.exe	schtasks.exe
PID 560 wrote to memory of 1328	560	New_Order2287.exe	schtasks.exe
PID 560 wrote to memory of 1328	560	New_Order2287.exe	schtasks.exe
PID 560 wrote to memory of 1328	560	New_Order2287.exe	schtasks.exe
PID 560 wrote to memory of 432	560	New_Order2287.exe	New_Order2287.exe
PID 560 wrote to memory of 432	560	New_Order2287.exe	New_Order2287.exe
PID 560 wrote to memory of 432	560	New_Order2287.exe	New_Order2287.exe
PID 560 wrote to memory of 432	560	New_Order2287.exe	New_Order2287.exe
PID 560 wrote to memory of 432	560	New_Order2287.exe	New_Order2287.exe
PID 560 wrote to memory of 432	560	New_Order2287.exe	New_Order2287.exe
PID 560 wrote to memory of 432	560	New_Order2287.exe	New_Order2287.exe
PID 560 wrote to memory of 432	560	New_Order2287.exe	New_Order2287.exe
PID 560 wrote to memory of 432	560	New_Order2287.exe	New_Order2287.exe

outlook_office_path 1 IoCs

Processes:

New_Order2287.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	New_Order2287.exe

outlook_win_path 1 IoCs

Processes:

New_Order2287.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	New_Order2287.exe

C:\Users\Admin\AppData\Local\Temp\New_Order2287.exe
"C:\Users\Admin\AppData\Local\Temp\New_Order2287.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:560

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XQrGnpLJE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB19.tmp"
2⤵
- Creates scheduled task(s)
PID:1328

C:\Users\Admin\AppData\Local\Temp\New_Order2287.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:432

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

4

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

3

T1082

Peripheral Device Discovery

1

T1120

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\tmpB19.tmp
Filesize
1KB

MD5
80ad8aec20fa33d66060168af3b7c8b3

SHA1
f33d7eaa8a53d782d8d8739bf4fb1231baba3f0a

SHA256
7ed9e9ff54d41981844285e7e34c3afc46ea7dfe95b334dc22045550fcbf71a6

SHA512
2b937c86e06769a5f978ae7e765809e2172e97de6b22c036a8bd5b82059dbe44803db5004c6bb47a72a94c00c9d36158870a571bda079b572c90fb67d016581d

Download Submit
memory/432-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/432-59-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/432-60-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/432-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/432-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/432-65-0x0000000000447F0E-mapping.dmp

Download
memory/432-67-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/432-69-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/432-70-0x00000000753E1000-0x00000000753E3000-memory.dmp

Filesize
8KB

Download
memory/560-56-0x00000000047B0000-0x0000000004804000-memory.dmp

Filesize
336KB

Download
memory/560-55-0x0000000000380000-0x000000000038A000-memory.dmp

Filesize
40KB

Download
memory/560-54-0x0000000000C50000-0x0000000000CE4000-memory.dmp

Filesize
592KB

Download
memory/1328-57-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads