agenttesla | eae139ae39ad516ffb020b7b93016734b4a78e253924f5a6e9b174bffe391c48

General

Target

Shipment Documents PO2305-007 YUEQING.exe
Size

301KB
MD5

35721ff57afc096802c64410e206e613
SHA1

bc10f231a05605301eb2d9f677bc2c6ea4f8aeda
SHA256

eae139ae39ad516ffb020b7b93016734b4a78e253924f5a6e9b174bffe391c48
SHA512

22015be1e886427aeb71448d112f57cae8f57516d6dc27733ff0604415d9d4e25c14654c1992b57493f7af57d33a1a4565774d34ebd640378d46bcb74f6d1dab
SSDEEP

6144:/Ya6FNBSpvq7LuU1FCUIWQa85hSjquH1tuB//vyIH27koko:/Yf3OE1cWQa8a2uH1tW//vrH27kDo

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
4372	Shipment Documents PO2305-007 YUEQING.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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Shipment Documents PO2305-007 YUEQING.exe
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Shipment Documents PO2305-007 YUEQING.exe
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Shipment Documents PO2305-007 YUEQING.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sOFvE = "C:\\Users\\Admin\\AppData\\Roaming\\sOFvE\\sOFvE.exe"	Shipment Documents PO2305-007 YUEQING.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
15	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4372 set thread context of 3672	4372	Shipment Documents PO2305-007 YUEQING.exe	83

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3672	Shipment Documents PO2305-007 YUEQING.exe
3672	Shipment Documents PO2305-007 YUEQING.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4372	Shipment Documents PO2305-007 YUEQING.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3672	Shipment Documents PO2305-007 YUEQING.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4372 wrote to memory of 3672	4372	Shipment Documents PO2305-007 YUEQING.exe	83
PID 4372 wrote to memory of 3672	4372	Shipment Documents PO2305-007 YUEQING.exe	83
PID 4372 wrote to memory of 3672	4372	Shipment Documents PO2305-007 YUEQING.exe	83
PID 4372 wrote to memory of 3672	4372	Shipment Documents PO2305-007 YUEQING.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Shipment Documents PO2305-007 YUEQING.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Shipment Documents PO2305-007 YUEQING.exe

C:\Users\Admin\AppData\Local\Temp\Shipment Documents PO2305-007 YUEQING.exe
"C:\Users\Admin\AppData\Local\Temp\Shipment Documents PO2305-007 YUEQING.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4372
- C:\Users\Admin\AppData\Local\Temp\Shipment Documents PO2305-007 YUEQING.exe
  "C:\Users\Admin\AppData\Local\Temp\Shipment Documents PO2305-007 YUEQING.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3672

Network

MITRE ATT&CK Enterprise 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

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsjD23B.tmp\piodliat.dll

Filesize
77KB

MD5
0843ef0d0d94e991d1c9ba259217c069

SHA1
8e17f7c8acc7b9f99607983a7db1ebbb6e6f2a54

SHA256
ea731e7c7b35131b463a95c47d04566b47f17d39720e123fd343fc16c04706f5

SHA512
0420a1e8e14d247be2903098687ae17513b73bdf3245277fa2ca60d7343c1af492ae9c85fab0c292798a9c8db75f342eab825831078deb218407f548bc491047

Download Submit
memory/3672-148-0x00000000049F0000-0x0000000004A56000-memory.dmp

Filesize
408KB

Download
memory/3672-149-0x0000000004B00000-0x0000000004B10000-memory.dmp

Filesize
64KB

Download
memory/3672-141-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/3672-139-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/3672-143-0x0000000004B10000-0x00000000050B4000-memory.dmp

Filesize
5.6MB

Download
memory/3672-144-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/3672-145-0x0000000004B00000-0x0000000004B10000-memory.dmp

Filesize
64KB

Download
memory/3672-146-0x0000000004B00000-0x0000000004B10000-memory.dmp

Filesize
64KB

Download
memory/3672-140-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/3672-147-0x0000000004B00000-0x0000000004B10000-memory.dmp

Filesize
64KB

Download
memory/3672-158-0x0000000006100000-0x000000000610A000-memory.dmp

Filesize
40KB

Download
memory/3672-151-0x0000000004B00000-0x0000000004B10000-memory.dmp

Filesize
64KB

Download
memory/3672-152-0x0000000004B00000-0x0000000004B10000-memory.dmp

Filesize
64KB

Download
memory/3672-153-0x0000000004B00000-0x0000000004B10000-memory.dmp

Filesize
64KB

Download
memory/3672-154-0x0000000004B00000-0x0000000004B10000-memory.dmp

Filesize
64KB

Download
memory/3672-155-0x0000000005A80000-0x0000000005AD0000-memory.dmp

Filesize
320KB

Download
memory/3672-156-0x0000000005D10000-0x0000000005ED2000-memory.dmp

Filesize
1.8MB

Download
memory/3672-157-0x0000000005EF0000-0x0000000005F82000-memory.dmp

Filesize
584KB

Download
memory/4372-142-0x0000000002600000-0x0000000002602000-memory.dmp

Filesize
8KB

Download

Analysis

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