agenttesla | 961ab3859a4736c22b134277d019a3788c1c5a6b8ffa6833178416bfd62cd5ef

General

Target

PURCHASE ORDER.exe
Size

267KB
MD5

fe4ffeeec8472fc2d83d0c7177fa22f8
SHA1

fea6970335db34ba5fc249f011b9fa4f70e9743e
SHA256

961ab3859a4736c22b134277d019a3788c1c5a6b8ffa6833178416bfd62cd5ef
SHA512

c69d9928371429dbc2616a3145b24b7ce1dbf512074d46578f767abaed47aa39ebf2680aa3c29e935a5cac143fecccbf6ee68cb5de519dfe6589f16d4e8ddd7a
SSDEEP

6144:vYa60WHBy3eKP/2geWvVComvpuqqBIMGK1uYG4ujI:vYqK45EvKInKjl

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
4412	PURCHASE ORDER.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-1-5-21-4025927695-1301755775-2607443251-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER.exe
Key opened	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER.exe
Key opened	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER.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-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sOFvE = "C:\\Users\\Admin\\AppData\\Roaming\\sOFvE\\sOFvE.exe"	PURCHASE ORDER.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
11	api.ipify.org
12	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4412 set thread context of 3324	4412	PURCHASE ORDER.exe	82

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

System Information Discovery
T1082

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4412	PURCHASE ORDER.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3324	PURCHASE ORDER.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4412 wrote to memory of 3324	4412	PURCHASE ORDER.exe	82
PID 4412 wrote to memory of 3324	4412	PURCHASE ORDER.exe	82
PID 4412 wrote to memory of 3324	4412	PURCHASE ORDER.exe	82
PID 4412 wrote to memory of 3324	4412	PURCHASE ORDER.exe	82

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER.exe

C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe
"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4412
- C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe
  "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3324

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\nsg7D84.tmp\ihiimndbkd.dll

Filesize
7KB

MD5
005db93f21a9931aba53c15085e4bf7d

SHA1
8861d4d91119745b761a37fc211f231baf0b039f

SHA256
540dc77836a88121abbc9e8c5e3fd1f86a63e03354c602e8835058e2e5514fb1

SHA512
39454b512751542e6a3ac4fa9821b13233a1b3f0317c1c7eb18462f698287dba52dbc7bc444d004437fb5e04e652a8a52c156db41b611c4a41aa5f5b86923d02

Download Submit
memory/3324-141-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/3324-142-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/3324-143-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/3324-144-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/3324-145-0x0000000004AE0000-0x0000000005084000-memory.dmp

Filesize
5.6MB

Download
memory/3324-146-0x00000000049F0000-0x0000000004A56000-memory.dmp

Filesize
408KB

Download
memory/3324-147-0x0000000004AD0000-0x0000000004AE0000-memory.dmp

Filesize
64KB

Download
memory/3324-149-0x0000000004AD0000-0x0000000004AE0000-memory.dmp

Filesize
64KB

Download
memory/3324-148-0x0000000004AD0000-0x0000000004AE0000-memory.dmp

Filesize
64KB

Download
memory/3324-150-0x0000000004AD0000-0x0000000004AE0000-memory.dmp

Filesize
64KB

Download
memory/3324-151-0x0000000005F10000-0x0000000005FA2000-memory.dmp

Filesize
584KB

Download
memory/3324-152-0x0000000005FD0000-0x0000000005FDA000-memory.dmp

Filesize
40KB

Download
memory/3324-154-0x0000000006190000-0x00000000061E0000-memory.dmp

Filesize
320KB

Download
memory/3324-155-0x0000000006330000-0x00000000064F2000-memory.dmp

Filesize
1.8MB

Download
memory/3324-156-0x0000000004AD0000-0x0000000004AE0000-memory.dmp

Filesize
64KB

Download
memory/3324-157-0x0000000004AD0000-0x0000000004AE0000-memory.dmp

Filesize
64KB

Download
memory/3324-158-0x0000000004AD0000-0x0000000004AE0000-memory.dmp

Filesize
64KB

Download
memory/3324-159-0x0000000004AD0000-0x0000000004AE0000-memory.dmp

Filesize
64KB

Download

Analysis

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