agenttesla | 1030d96c7949cfdac369c74f47822f858039b725f49de6f753349fabf8fa7754

General

Target

DHL Shipment Doc6532291931_pdf.exe
Size

764KB
MD5

e9e919b5847ad60ac37a39a99c4422b7
SHA1

2d6f28ad5c79f6060817f31db3add4871698a470
SHA256

1030d96c7949cfdac369c74f47822f858039b725f49de6f753349fabf8fa7754
SHA512

0178ba4f07c5f89466c848496de7b7a172607628ebb8ae363c54e6374a0fc4e6a507ac4a6aeacbe7c8e9aea042f607f2918bdbc94d6443e421be84123857b823
SSDEEP

12288:YLCLa4/wJC8tffl7ogSZ6XZTmJ/V/eeJUROmJlxH2UmGOd/aw:aCLaQvsl7c8h9eo7lF2UU

Score

10^/10

agenttesla collection evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.hegelman.com
Port:
587
Username:
[email protected]
Password:
B!c)MGg9

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/888-142-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

DHL Shipment Doc6532291931_pdf.exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions DHL Shipment Doc6532291931_pdf.exe
Drops file in Drivers directory 1 IoCs

Processes:

DHL Shipment Doc6532291931_pdf.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts DHL Shipment Doc6532291931_pdf.exe
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

DHL Shipment Doc6532291931_pdf.exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools DHL Shipment Doc6532291931_pdf.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions	DHL Shipment Doc6532291931_pdf.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	DHL Shipment Doc6532291931_pdf.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools	DHL Shipment Doc6532291931_pdf.exe

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:

DHL Shipment Doc6532291931_pdf.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	DHL Shipment Doc6532291931_pdf.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	DHL Shipment Doc6532291931_pdf.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

DHL Shipment Doc6532291931_pdf.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	DHL Shipment Doc6532291931_pdf.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:

DHL Shipment Doc6532291931_pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL Shipment Doc6532291931_pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL Shipment Doc6532291931_pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL Shipment Doc6532291931_pdf.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:

DHL Shipment Doc6532291931_pdf.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	DHL Shipment Doc6532291931_pdf.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	DHL Shipment Doc6532291931_pdf.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

DHL Shipment Doc6532291931_pdf.exe

description pid process target process

PID 4736 set thread context of 888 4736 DHL Shipment Doc6532291931_pdf.exe DHL Shipment Doc6532291931_pdf.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exeDHL Shipment Doc6532291931_pdf.exe

pid process

4164 powershell.exe
888 DHL Shipment Doc6532291931_pdf.exe
888 DHL Shipment Doc6532291931_pdf.exe
4164 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeDHL Shipment Doc6532291931_pdf.exe

description pid process

Token: SeDebugPrivilege 4164 powershell.exe
Token: SeDebugPrivilege 888 DHL Shipment Doc6532291931_pdf.exe

description	pid	process	target process
PID 4736 set thread context of 888	4736	DHL Shipment Doc6532291931_pdf.exe	DHL Shipment Doc6532291931_pdf.exe

pid	process
4164	powershell.exe
888	DHL Shipment Doc6532291931_pdf.exe
888	DHL Shipment Doc6532291931_pdf.exe
4164	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4164	powershell.exe
Token: SeDebugPrivilege	888	DHL Shipment Doc6532291931_pdf.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

DHL Shipment Doc6532291931_pdf.exe

description	pid	process	target process
PID 4736 wrote to memory of 4164	4736	DHL Shipment Doc6532291931_pdf.exe	powershell.exe
PID 4736 wrote to memory of 4164	4736	DHL Shipment Doc6532291931_pdf.exe	powershell.exe
PID 4736 wrote to memory of 4164	4736	DHL Shipment Doc6532291931_pdf.exe	powershell.exe
PID 4736 wrote to memory of 888	4736	DHL Shipment Doc6532291931_pdf.exe	DHL Shipment Doc6532291931_pdf.exe
PID 4736 wrote to memory of 888	4736	DHL Shipment Doc6532291931_pdf.exe	DHL Shipment Doc6532291931_pdf.exe
PID 4736 wrote to memory of 888	4736	DHL Shipment Doc6532291931_pdf.exe	DHL Shipment Doc6532291931_pdf.exe
PID 4736 wrote to memory of 888	4736	DHL Shipment Doc6532291931_pdf.exe	DHL Shipment Doc6532291931_pdf.exe
PID 4736 wrote to memory of 888	4736	DHL Shipment Doc6532291931_pdf.exe	DHL Shipment Doc6532291931_pdf.exe
PID 4736 wrote to memory of 888	4736	DHL Shipment Doc6532291931_pdf.exe	DHL Shipment Doc6532291931_pdf.exe
PID 4736 wrote to memory of 888	4736	DHL Shipment Doc6532291931_pdf.exe	DHL Shipment Doc6532291931_pdf.exe
PID 4736 wrote to memory of 888	4736	DHL Shipment Doc6532291931_pdf.exe	DHL Shipment Doc6532291931_pdf.exe

outlook_office_path 1 IoCs

Processes:

DHL Shipment Doc6532291931_pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL Shipment Doc6532291931_pdf.exe

outlook_win_path 1 IoCs

Processes:

DHL Shipment Doc6532291931_pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL Shipment Doc6532291931_pdf.exe

C:\Users\Admin\AppData\Local\Temp\DHL Shipment Doc6532291931_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\DHL Shipment Doc6532291931_pdf.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4736

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\DHL Shipment Doc6532291931_pdf.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4164

C:\Users\Admin\AppData\Local\Temp\DHL Shipment Doc6532291931_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\DHL Shipment Doc6532291931_pdf.exe"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:888

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

5

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

4

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/888-141-0x0000000000000000-mapping.dmp

Download
memory/888-156-0x0000000006C70000-0x0000000006CC0000-memory.dmp

Filesize
320KB

Download
memory/888-142-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4164-144-0x0000000005350000-0x00000000053B6000-memory.dmp

Filesize
408KB

Download
memory/4164-151-0x00000000073F0000-0x00000000073FA000-memory.dmp

Filesize
40KB

Download
memory/4164-155-0x00000000076A0000-0x00000000076A8000-memory.dmp

Filesize
32KB

Download
memory/4164-138-0x0000000000000000-mapping.dmp

Download
memory/4164-139-0x0000000002740000-0x0000000002776000-memory.dmp

Filesize
216KB

Download
memory/4164-140-0x0000000005480000-0x0000000005AA8000-memory.dmp

Filesize
6.2MB

Download
memory/4164-154-0x00000000076C0000-0x00000000076DA000-memory.dmp

Filesize
104KB

Download
memory/4164-153-0x00000000075B0000-0x00000000075BE000-memory.dmp

Filesize
56KB

Download
memory/4164-143-0x00000000052B0000-0x00000000052D2000-memory.dmp

Filesize
136KB

Download
memory/4164-152-0x0000000007600000-0x0000000007696000-memory.dmp

Filesize
600KB

Download
memory/4164-145-0x0000000006080000-0x000000000609E000-memory.dmp

Filesize
120KB

Download
memory/4164-146-0x0000000007280000-0x00000000072B2000-memory.dmp

Filesize
200KB

Download
memory/4164-147-0x0000000070380000-0x00000000703CC000-memory.dmp

Filesize
304KB

Download
memory/4164-148-0x0000000006610000-0x000000000662E000-memory.dmp

Filesize
120KB

Download
memory/4164-149-0x00000000079F0000-0x000000000806A000-memory.dmp

Filesize
6.5MB

Download
memory/4164-150-0x0000000007390000-0x00000000073AA000-memory.dmp

Filesize
104KB

Download
memory/4736-136-0x0000000007B40000-0x0000000007BDC000-memory.dmp

Filesize
624KB

Download
memory/4736-132-0x00000000009E0000-0x0000000000AA6000-memory.dmp

Filesize
792KB

Download
memory/4736-134-0x00000000054C0000-0x0000000005552000-memory.dmp

Filesize
584KB

Download
memory/4736-135-0x0000000005450000-0x000000000545A000-memory.dmp

Filesize
40KB

Download
memory/4736-137-0x0000000007C50000-0x0000000007CB6000-memory.dmp

Filesize
408KB

Download
memory/4736-133-0x00000000059D0000-0x0000000005F74000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads