agenttesla | 4542d4c8f79ea3d8c0eedb57528bd3758f817ebd18ea0c2ec0f93be1a0cd3fd6

General

Target

PO.pdf.exe
Size

671KB
MD5

eb0a8fba6f85d2db1af76f8a844d4327
SHA1

4c853b742784dcd9ee03930c33c9c17d3288969c
SHA256

03150c9b34f3c06083c0af32c4fc038a5c059fdd8b19c927206df5961f40c189
SHA512

a5b1a196a588bb8403e819d71b1592e7afd85c2f208adc8943ec0a2d4b885e749d557c8d399cd37cdf117c0ad3cbf885c54d288910e57be1a102ec3d89e6e81f
SSDEEP

12288:T9+UFSbzwd6xyFjH8H1NDNCqovrO46enCZZKvTv65Nsb:p+pbzwIxk4Vdoqm6eCfxE

Score

10^/10

agenttesla collection keylogger spyware stealer trojan upx

Malware Config

Signatures

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

AgentTesla payload 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1888-8-0x0000000000400000-0x000000000047A000-memory.dmp	family_agenttesla
behavioral1/memory/1888-12-0x0000000000400000-0x000000000047A000-memory.dmp	family_agenttesla
behavioral1/memory/1888-11-0x0000000000370000-0x00000000003A6000-memory.dmp	family_agenttesla
behavioral1/memory/1888-10-0x0000000000370000-0x00000000003A6000-memory.dmp	family_agenttesla
behavioral1/memory/1888-9-0x0000000000400000-0x000000000047A000-memory.dmp	family_agenttesla
behavioral1/memory/1888-23-0x0000000000400000-0x000000000047A000-memory.dmp	family_agenttesla
behavioral1/memory/1888-24-0x0000000000400000-0x000000000047A000-memory.dmp	family_agenttesla

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
T1552.001
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
T1552.001
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
T1552.001

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/1888-4-0x0000000000400000-0x000000000047A000-memory.dmp	upx
behavioral1/memory/1888-8-0x0000000000400000-0x000000000047A000-memory.dmp	upx
behavioral1/memory/1888-12-0x0000000000400000-0x000000000047A000-memory.dmp	upx
behavioral1/memory/1888-9-0x0000000000400000-0x000000000047A000-memory.dmp	upx
behavioral1/memory/1888-6-0x0000000000400000-0x000000000047A000-memory.dmp	upx

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

PO.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.pdf.exe

Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

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

Processes:

PO.pdf.exe

description pid process target process

PID 2240 set thread context of 1888 2240 PO.pdf.exe PO.pdf.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

PO.pdf.exePO.pdf.exe

pid process

2240 PO.pdf.exe
1888 PO.pdf.exe
1888 PO.pdf.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

PO.pdf.exe

pid process

2240 PO.pdf.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

PO.pdf.exe

description pid process

Token: SeDebugPrivilege 1888 PO.pdf.exe

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

description	pid	process	target process
PID 2240 set thread context of 1888	2240	PO.pdf.exe	PO.pdf.exe

pid	process
2240	PO.pdf.exe
1888	PO.pdf.exe
1888	PO.pdf.exe

pid	process
2240	PO.pdf.exe

description	pid	process
Token: SeDebugPrivilege	1888	PO.pdf.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

PO.pdf.exe

description	pid	process	target process
PID 2240 wrote to memory of 1888	2240	PO.pdf.exe	PO.pdf.exe
PID 2240 wrote to memory of 1888	2240	PO.pdf.exe	PO.pdf.exe
PID 2240 wrote to memory of 1888	2240	PO.pdf.exe	PO.pdf.exe
PID 2240 wrote to memory of 1888	2240	PO.pdf.exe	PO.pdf.exe

outlook_office_path 1 IoCs

Processes:

PO.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.pdf.exe

outlook_win_path 1 IoCs

Processes:

PO.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.pdf.exe

C:\Users\Admin\AppData\Local\Temp\PO.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\PO.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Users\Admin\AppData\Local\Temp\PO.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\PO.pdf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1888

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1888-11-0x0000000000370000-0x00000000003A6000-memory.dmp

Filesize
216KB

Download
memory/1888-4-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1888-8-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1888-12-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1888-10-0x0000000000370000-0x00000000003A6000-memory.dmp

Filesize
216KB

Download
memory/1888-9-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1888-6-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1888-23-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1888-24-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2240-1-0x0000000001F60000-0x0000000001F73000-memory.dmp

Filesize
76KB

Download
memory/2240-3-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2240-0-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2240-7-0x0000000000400000-0x00000000004AE000-memory.dmp

Filesize
696KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads