agenttesla | 026a4841afc0a27a36f74e4de837e02e64853be2a67f70506ad9933116a9f669

General

Target

New_Order_PO#960780_MT_Quote.exe
Size

373KB
MD5

42ca495d2da951c33eb97eb1b5dca02c
SHA1

bb76ea2952bc8706df0f7ef51e336adce40500f5
SHA256

daa3b0d4f7fe78a4525edd94a77767330b6a37c23ae0a576ce5b53e7fb21717c
SHA512

6fd9c8720ba4da1ff54f46f172516f6af1af275799ab2cedd747387d2c7ee3e92f7053739858b76c61afca56f036d23a67b22a2518ae684eccb98f7097b815d2

Score

10^/10

agenttesla collection evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
webmail.karanex.com
Port:
587
Username:
[email protected]
Password:
Oi&-tmhj@d5v

Signatures

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

AgentTesla Payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1524-67-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1524-68-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1524-70-0x000000000043789E-mapping.dmp	family_agenttesla
behavioral1/memory/1524-69-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1524-72-0x0000000000400000-0x000000000043C000-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_Order_PO#960780_MT_Quote.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	New_Order_PO#960780_MT_Quote.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	New_Order_PO#960780_MT_Quote.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_Order_PO#960780_MT_Quote.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Order_PO#960780_MT_Quote.exe
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Order_PO#960780_MT_Quote.exe
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Order_PO#960780_MT_Quote.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_Order_PO#960780_MT_Quote.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	New_Order_PO#960780_MT_Quote.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	New_Order_PO#960780_MT_Quote.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

New_Order_PO#960780_MT_Quote.exe

description pid process target process

PID 660 set thread context of 1524 660 New_Order_PO#960780_MT_Quote.exe New_Order_PO#960780_MT_Quote.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

1824 schtasks.exe

description	pid	process	target process
PID 660 set thread context of 1524	660	New_Order_PO#960780_MT_Quote.exe	New_Order_PO#960780_MT_Quote.exe

pid	process
1824	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

New_Order_PO#960780_MT_Quote.exeNew_Order_PO#960780_MT_Quote.exepowershell.exe

pid	process
660	New_Order_PO#960780_MT_Quote.exe
660	New_Order_PO#960780_MT_Quote.exe
660	New_Order_PO#960780_MT_Quote.exe
1524	New_Order_PO#960780_MT_Quote.exe
1524	New_Order_PO#960780_MT_Quote.exe
624	powershell.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

New_Order_PO#960780_MT_Quote.exe

pid process

1524 New_Order_PO#960780_MT_Quote.exe

pid	process
1524	New_Order_PO#960780_MT_Quote.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

New_Order_PO#960780_MT_Quote.exeNew_Order_PO#960780_MT_Quote.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	660	New_Order_PO#960780_MT_Quote.exe
Token: SeDebugPrivilege	1524	New_Order_PO#960780_MT_Quote.exe
Token: SeDebugPrivilege	624	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

New_Order_PO#960780_MT_Quote.exe

pid process

1524 New_Order_PO#960780_MT_Quote.exe

pid	process
1524	New_Order_PO#960780_MT_Quote.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

New_Order_PO#960780_MT_Quote.exe

description	pid	process	target process
PID 660 wrote to memory of 624	660	New_Order_PO#960780_MT_Quote.exe	powershell.exe
PID 660 wrote to memory of 624	660	New_Order_PO#960780_MT_Quote.exe	powershell.exe
PID 660 wrote to memory of 624	660	New_Order_PO#960780_MT_Quote.exe	powershell.exe
PID 660 wrote to memory of 624	660	New_Order_PO#960780_MT_Quote.exe	powershell.exe
PID 660 wrote to memory of 1824	660	New_Order_PO#960780_MT_Quote.exe	schtasks.exe
PID 660 wrote to memory of 1824	660	New_Order_PO#960780_MT_Quote.exe	schtasks.exe
PID 660 wrote to memory of 1824	660	New_Order_PO#960780_MT_Quote.exe	schtasks.exe
PID 660 wrote to memory of 1824	660	New_Order_PO#960780_MT_Quote.exe	schtasks.exe
PID 660 wrote to memory of 1524	660	New_Order_PO#960780_MT_Quote.exe	New_Order_PO#960780_MT_Quote.exe
PID 660 wrote to memory of 1524	660	New_Order_PO#960780_MT_Quote.exe	New_Order_PO#960780_MT_Quote.exe
PID 660 wrote to memory of 1524	660	New_Order_PO#960780_MT_Quote.exe	New_Order_PO#960780_MT_Quote.exe
PID 660 wrote to memory of 1524	660	New_Order_PO#960780_MT_Quote.exe	New_Order_PO#960780_MT_Quote.exe
PID 660 wrote to memory of 1524	660	New_Order_PO#960780_MT_Quote.exe	New_Order_PO#960780_MT_Quote.exe
PID 660 wrote to memory of 1524	660	New_Order_PO#960780_MT_Quote.exe	New_Order_PO#960780_MT_Quote.exe
PID 660 wrote to memory of 1524	660	New_Order_PO#960780_MT_Quote.exe	New_Order_PO#960780_MT_Quote.exe
PID 660 wrote to memory of 1524	660	New_Order_PO#960780_MT_Quote.exe	New_Order_PO#960780_MT_Quote.exe
PID 660 wrote to memory of 1524	660	New_Order_PO#960780_MT_Quote.exe	New_Order_PO#960780_MT_Quote.exe

outlook_office_path 1 IoCs

Processes:

New_Order_PO#960780_MT_Quote.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Order_PO#960780_MT_Quote.exe

outlook_win_path 1 IoCs

Processes:

New_Order_PO#960780_MT_Quote.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Order_PO#960780_MT_Quote.exe

C:\Users\Admin\AppData\Local\Temp\New_Order_PO#960780_MT_Quote.exe
"C:\Users\Admin\AppData\Local\Temp\New_Order_PO#960780_MT_Quote.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:660
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\New_Order_PO#960780_MT_Quote.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:624
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cCuwSjrQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC774.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1824
- C:\Users\Admin\AppData\Local\Temp\New_Order_PO#960780_MT_Quote.exe
  "C:\Users\Admin\AppData\Local\Temp\New_Order_PO#960780_MT_Quote.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1524

Network

MITRE ATT&CK Enterprise 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

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/624-71-0x0000000002370000-0x0000000002FBA000-memory.dmp

Filesize
12.3MB

Download
memory/624-62-0x0000000000000000-mapping.dmp

Download
memory/624-75-0x0000000002370000-0x0000000002FBA000-memory.dmp

Filesize
12.3MB

Download
memory/660-57-0x0000000075F41000-0x0000000075F43000-memory.dmp

Filesize
8KB

Download
memory/660-58-0x0000000004D10000-0x0000000004D11000-memory.dmp

Filesize
4KB

Download
memory/660-59-0x000000007EF40000-0x000000007EF41000-memory.dmp

Filesize
4KB

Download
memory/660-60-0x0000000000840000-0x0000000000847000-memory.dmp

Filesize
28KB

Download
memory/660-61-0x00000000051C0000-0x0000000005218000-memory.dmp

Filesize
352KB

Download
memory/660-55-0x00000000001A0000-0x00000000001A1000-memory.dmp

Filesize
4KB

Download
memory/1524-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1524-68-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1524-66-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1524-70-0x000000000043789E-mapping.dmp

Download
memory/1524-69-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1524-67-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1524-72-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1524-74-0x0000000001F90000-0x0000000001F91000-memory.dmp

Filesize
4KB

Download
memory/1524-76-0x0000000001F91000-0x0000000001F92000-memory.dmp

Filesize
4KB

Download
memory/1824-64-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads