agenttesla | 70c136ce417c50c95c3fb5bb0632f1b26771d4a17a4ce4271d064194257d6a25

General

Target

Payment Advice Notice_______pdf.exe
Size

303KB
MD5

794f48174b0e3e14dacb53b964b57286
SHA1

07107477773e723c5d989def13b3848c7b662a87
SHA256

ec32dd2b2c64be623119540e7735fa6e53f94a5f1897887e9c92ebd564f74018
SHA512

764e91f2bcae93ff9d4039ac17a2078c88de077ad95bab8aa77ef35ca3ba7a1604a177fff59a66c107708dc3b43f1c999b63fa49ff82a954678d96cb583c7350
SSDEEP

6144:/Ya6tZ9r36xpKhGaCnt9qNNZI0H6wZ1LMMszrXhJafwN7cemtlP4ZSEE:/YfZ5qxpKhRVPgrRewN7cNV4MEE

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5976535717:AAGnhDWJflLeGj6Q3T6Y7y8vS9xuOf0Yh-Q/

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
1856	Payment Advice Notice_______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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Advice Notice_______pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Advice Notice_______pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Advice Notice_______pdf.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-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows\CurrentVersion\Run\bKEtL = "C:\\Users\\Admin\\AppData\\Roaming\\bKEtL\\bKEtL.exe"	Payment Advice Notice_______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.

flow	ioc
3	api.ipify.org
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1856 set thread context of 1004	1856	Payment Advice Notice_______pdf.exe	27

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
1004	Payment Advice Notice_______pdf.exe
1004	Payment Advice Notice_______pdf.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1856	Payment Advice Notice_______pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1004	Payment Advice Notice_______pdf.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1004	Payment Advice Notice_______pdf.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 1004	1856	Payment Advice Notice_______pdf.exe	27
PID 1856 wrote to memory of 1004	1856	Payment Advice Notice_______pdf.exe	27
PID 1856 wrote to memory of 1004	1856	Payment Advice Notice_______pdf.exe	27
PID 1856 wrote to memory of 1004	1856	Payment Advice Notice_______pdf.exe	27
PID 1856 wrote to memory of 1004	1856	Payment Advice Notice_______pdf.exe	27

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Advice Notice_______pdf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Advice Notice_______pdf.exe

C:\Users\Admin\AppData\Local\Temp\Payment Advice Notice_______pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Advice Notice_______pdf.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1856
- C:\Users\Admin\AppData\Local\Temp\Payment Advice Notice_______pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment Advice Notice_______pdf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1004

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

\Users\Admin\AppData\Local\Temp\nso563E.tmp\qfikvxzoc.dll

Filesize
80KB

MD5
b387e71627d3acf3e0bb18d03c15c681

SHA1
dc9e2929a79e49b494e57e756050d98334e8ba6a

SHA256
bdb9ac49db1d32914c1913be6744ee91d506ac60d9af22491c4c5719914b9849

SHA512
16a9be3d1e945d4a361a89ee7a6c9eeb017c697eafb8f72b3a3297555e8483e5de09837ae697fba35cc1704134705deba5172f41f20c2cae914cb538daf9ebbd

Download Submit
memory/1004-61-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1004-63-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1004-64-0x0000000001EA0000-0x0000000001ED0000-memory.dmp

Filesize
192KB

Download
memory/1004-65-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1004-66-0x0000000004620000-0x0000000004660000-memory.dmp

Filesize
256KB

Download

Analysis

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