agenttesla | d61c1f3b23d6ba77364c697d47062ba184113c1c20d3f46b6d629019bc05611a

General

Target

Reservation_pdf.exe
Size

2.2MB
MD5

f44f90fdeb4912a220e1013cd12d91da
SHA1

d6cb59a9021f088be40af8d8fc2a3d8ba8a3dee9
SHA256

d61c1f3b23d6ba77364c697d47062ba184113c1c20d3f46b6d629019bc05611a
SHA512

7033ffed0e9ae5ecc6b824759e24726125a6d807c8f5d15c221c826c8dcafef85c71ddefb6f59e8fdd830f5555e16421b49f7bdeeda63cc5ae88a8eef7d65c48
SSDEEP

49152:EUI0R4f9Xm2uxyR2oSML0EdsE9uRGATTAJzyYBvX+tv2IXkAX:EUPUk2uYRA2HdsCgGAvAcY1X+teI7

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.cimarcochin.com
Port:
587
Username:
[email protected]
Password:
Kelechikelechi1@

Signatures

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

Reservation_pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Reservation_pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Reservation_pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Reservation_pdf.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Reservation_pdf.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\Mjpzs = "\"C:\\Users\\Admin\\AppData\\Roaming\\Thyamtc\\Mjpzs.exe\""	Reservation_pdf.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 api.ipify.org
5 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Reservation_pdf.exe

description pid process target process

PID 528 set thread context of 1784 528 Reservation_pdf.exe Reservation_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.exeReservation_pdf.exe

pid process

1772 powershell.exe
1784 Reservation_pdf.exe
1784 Reservation_pdf.exe
1784 Reservation_pdf.exe

flow	ioc
4	api.ipify.org
5	api.ipify.org

description	pid	process	target process
PID 528 set thread context of 1784	528	Reservation_pdf.exe	Reservation_pdf.exe

pid	process
1772	powershell.exe
1784	Reservation_pdf.exe
1784	Reservation_pdf.exe
1784	Reservation_pdf.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Reservation_pdf.exepowershell.exeReservation_pdf.exe

description	pid	process
Token: SeDebugPrivilege	528	Reservation_pdf.exe
Token: SeDebugPrivilege	1772	powershell.exe
Token: SeDebugPrivilege	1784	Reservation_pdf.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Reservation_pdf.exe

description	pid	process	target process
PID 528 wrote to memory of 1772	528	Reservation_pdf.exe	powershell.exe
PID 528 wrote to memory of 1772	528	Reservation_pdf.exe	powershell.exe
PID 528 wrote to memory of 1772	528	Reservation_pdf.exe	powershell.exe
PID 528 wrote to memory of 1772	528	Reservation_pdf.exe	powershell.exe
PID 528 wrote to memory of 1784	528	Reservation_pdf.exe	Reservation_pdf.exe
PID 528 wrote to memory of 1784	528	Reservation_pdf.exe	Reservation_pdf.exe
PID 528 wrote to memory of 1784	528	Reservation_pdf.exe	Reservation_pdf.exe
PID 528 wrote to memory of 1784	528	Reservation_pdf.exe	Reservation_pdf.exe
PID 528 wrote to memory of 1784	528	Reservation_pdf.exe	Reservation_pdf.exe
PID 528 wrote to memory of 1784	528	Reservation_pdf.exe	Reservation_pdf.exe
PID 528 wrote to memory of 1784	528	Reservation_pdf.exe	Reservation_pdf.exe
PID 528 wrote to memory of 1784	528	Reservation_pdf.exe	Reservation_pdf.exe
PID 528 wrote to memory of 1784	528	Reservation_pdf.exe	Reservation_pdf.exe

outlook_office_path 1 IoCs

Processes:

Reservation_pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Reservation_pdf.exe

outlook_win_path 1 IoCs

Processes:

Reservation_pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Reservation_pdf.exe

C:\Users\Admin\AppData\Local\Temp\Reservation_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Reservation_pdf.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:528

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1772

C:\Users\Admin\AppData\Local\Temp\Reservation_pdf.exe
C:\Users\Admin\AppData\Local\Temp\Reservation_pdf.exe
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1784

Network

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

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/528-54-0x00000000010F0000-0x000000000132A000-memory.dmp

Filesize
2.2MB

Download
memory/528-55-0x0000000004BB0000-0x0000000004DE8000-memory.dmp

Filesize
2.2MB

Download
memory/528-56-0x0000000076931000-0x0000000076933000-memory.dmp

Filesize
8KB

Download
memory/1772-57-0x0000000000000000-mapping.dmp

Download
memory/1772-59-0x000000006EDB0000-0x000000006F35B000-memory.dmp

Filesize
5.7MB

Download
memory/1772-60-0x000000006EDB0000-0x000000006F35B000-memory.dmp

Filesize
5.7MB

Download
memory/1772-61-0x000000006EDB0000-0x000000006F35B000-memory.dmp

Filesize
5.7MB

Download
memory/1784-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1784-63-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1784-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1784-66-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1784-67-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1784-68-0x000000000043249E-mapping.dmp

Download
memory/1784-70-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1784-72-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads