agenttesla | a734d7b40d2707ceeff62f50957d490b1bb56f3d1835118c5285b617c41844d0

General

Target

DHL Online Receipt.exe
Size

501KB
MD5

b265fa5c20dcb7fc8a7c715f5194edcf
SHA1

c6e34ec56347f92353148f221b36e06b99b173b9
SHA256

704c8c0960f492c87928d15659a3e16df0c76591d0abaa83a011c58d4fd98ae2
SHA512

9351234939bad33f778cc54cfb848ea2cb6a6795ad671e7aa3bd0d39c3ab7a125c0ddc63404635b83a3a4515cc0a1ea655c2f1579eda7c9aa4dfde88ad1df255

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
sandra.hurm@voestallpine.com
Password:
project2021blessing

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/616-64-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/616-63-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/616-65-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/616-66-0x000000000043762E-mapping.dmp	family_agenttesla
behavioral1/memory/616-67-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

RegSvcs.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.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	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

DHL Online Receipt.exe

description pid process target process

PID 944 set thread context of 616 944 DHL Online Receipt.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

DHL Online Receipt.exeRegSvcs.exe

pid process

944 DHL Online Receipt.exe
944 DHL Online Receipt.exe
616 RegSvcs.exe
616 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

DHL Online Receipt.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 944 DHL Online Receipt.exe
Token: SeDebugPrivilege 616 RegSvcs.exe

description	pid	process	target process
PID 944 set thread context of 616	944	DHL Online Receipt.exe	RegSvcs.exe

pid	process
944	DHL Online Receipt.exe
944	DHL Online Receipt.exe
616	RegSvcs.exe
616	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	944	DHL Online Receipt.exe
Token: SeDebugPrivilege	616	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

DHL Online Receipt.exe

description	pid	process	target process
PID 944 wrote to memory of 616	944	DHL Online Receipt.exe	RegSvcs.exe
PID 944 wrote to memory of 616	944	DHL Online Receipt.exe	RegSvcs.exe
PID 944 wrote to memory of 616	944	DHL Online Receipt.exe	RegSvcs.exe
PID 944 wrote to memory of 616	944	DHL Online Receipt.exe	RegSvcs.exe
PID 944 wrote to memory of 616	944	DHL Online Receipt.exe	RegSvcs.exe
PID 944 wrote to memory of 616	944	DHL Online Receipt.exe	RegSvcs.exe
PID 944 wrote to memory of 616	944	DHL Online Receipt.exe	RegSvcs.exe
PID 944 wrote to memory of 616	944	DHL Online Receipt.exe	RegSvcs.exe
PID 944 wrote to memory of 616	944	DHL Online Receipt.exe	RegSvcs.exe
PID 944 wrote to memory of 616	944	DHL Online Receipt.exe	RegSvcs.exe
PID 944 wrote to memory of 616	944	DHL Online Receipt.exe	RegSvcs.exe
PID 944 wrote to memory of 616	944	DHL Online Receipt.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.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	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.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	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\DHL Online Receipt.exe
"C:\Users\Admin\AppData\Local\Temp\DHL Online Receipt.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:944

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:616

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/616-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/616-63-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/616-70-0x0000000004B71000-0x0000000004B72000-memory.dmp

Filesize
4KB

Download
memory/616-69-0x0000000004B70000-0x0000000004B71000-memory.dmp

Filesize
4KB

Download
memory/616-67-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/616-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/616-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/616-62-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/616-66-0x000000000043762E-mapping.dmp

Download
memory/944-55-0x0000000000DF0000-0x0000000000DF1000-memory.dmp

Filesize
4KB

Download
memory/944-57-0x0000000076241000-0x0000000076243000-memory.dmp

Filesize
8KB

Download
memory/944-60-0x0000000004900000-0x0000000004958000-memory.dmp

Filesize
352KB

Download
memory/944-59-0x0000000000460000-0x0000000000467000-memory.dmp

Filesize
28KB

Download
memory/944-58-0x0000000004D70000-0x0000000004D71000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads