agenttesla | 341ff4121328104ec5db8662d94cfdfdcffd7c36bc022a8fabea180d3c19adbc

Analysis

max time kernel
136s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
07-12-2022 11:59

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General

Target

32bbd2bd2b4d2e185783f25d64c6cdbf.exe
Size

970KB
MD5

32bbd2bd2b4d2e185783f25d64c6cdbf
SHA1

32413fb565d883ce6c73ceb0bf2244dbab4303c1
SHA256

341ff4121328104ec5db8662d94cfdfdcffd7c36bc022a8fabea180d3c19adbc
SHA512

283168bb49700cac4132e477b4bc82f7cf2109c9e942b16efeb545e5f0e97e510bf8f54cce5d5e05b0249a82928dcc09e51c8af98afa40dbd3393cadccdb4f11
SSDEEP

24576:TyeAKI2PDAEQeO6Ru9+DzOofcZ6IYrwg5+Rkz:TyepXPUH3oDzzful6e

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
host39.registrar-servers.com
Port:
587
Username:
[email protected]
Password:
payment 12345

Signatures

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.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

36 api.ipify.org
37 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

32bbd2bd2b4d2e185783f25d64c6cdbf.exe

description pid process target process

PID 3668 set thread context of 1960 3668 32bbd2bd2b4d2e185783f25d64c6cdbf.exe MSBuild.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

32bbd2bd2b4d2e185783f25d64c6cdbf.exeMSBuild.exe

pid process

3668 32bbd2bd2b4d2e185783f25d64c6cdbf.exe
1960 MSBuild.exe
1960 MSBuild.exe
1960 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

32bbd2bd2b4d2e185783f25d64c6cdbf.exeMSBuild.exe

description pid process

Token: SeDebugPrivilege 3668 32bbd2bd2b4d2e185783f25d64c6cdbf.exe
Token: SeDebugPrivilege 1960 MSBuild.exe

flow	ioc
36	api.ipify.org
37	api.ipify.org

description	pid	process	target process
PID 3668 set thread context of 1960	3668	32bbd2bd2b4d2e185783f25d64c6cdbf.exe	MSBuild.exe

pid	process
3668	32bbd2bd2b4d2e185783f25d64c6cdbf.exe
1960	MSBuild.exe
1960	MSBuild.exe
1960	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	3668	32bbd2bd2b4d2e185783f25d64c6cdbf.exe
Token: SeDebugPrivilege	1960	MSBuild.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

32bbd2bd2b4d2e185783f25d64c6cdbf.exe

description	pid	process	target process
PID 3668 wrote to memory of 1960	3668	32bbd2bd2b4d2e185783f25d64c6cdbf.exe	MSBuild.exe
PID 3668 wrote to memory of 1960	3668	32bbd2bd2b4d2e185783f25d64c6cdbf.exe	MSBuild.exe
PID 3668 wrote to memory of 1960	3668	32bbd2bd2b4d2e185783f25d64c6cdbf.exe	MSBuild.exe
PID 3668 wrote to memory of 1960	3668	32bbd2bd2b4d2e185783f25d64c6cdbf.exe	MSBuild.exe
PID 3668 wrote to memory of 1960	3668	32bbd2bd2b4d2e185783f25d64c6cdbf.exe	MSBuild.exe
PID 3668 wrote to memory of 1960	3668	32bbd2bd2b4d2e185783f25d64c6cdbf.exe	MSBuild.exe
PID 3668 wrote to memory of 1960	3668	32bbd2bd2b4d2e185783f25d64c6cdbf.exe	MSBuild.exe
PID 3668 wrote to memory of 1960	3668	32bbd2bd2b4d2e185783f25d64c6cdbf.exe	MSBuild.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\32bbd2bd2b4d2e185783f25d64c6cdbf.exe
"C:\Users\Admin\AppData\Local\Temp\32bbd2bd2b4d2e185783f25d64c6cdbf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3668
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1960

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1960-137-0x0000000000000000-mapping.dmp

Download
memory/1960-138-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1960-139-0x0000000006280000-0x00000000062E6000-memory.dmp

Filesize
408KB

Download
memory/1960-140-0x0000000006B60000-0x0000000006BB0000-memory.dmp

Filesize
320KB

Download
memory/3668-132-0x0000000000F60000-0x0000000001058000-memory.dmp

Filesize
992KB

Download
memory/3668-133-0x0000000005F90000-0x0000000006534000-memory.dmp

Filesize
5.6MB

Download
memory/3668-134-0x0000000005A80000-0x0000000005B12000-memory.dmp

Filesize
584KB

Download
memory/3668-135-0x0000000005B20000-0x0000000005BBC000-memory.dmp

Filesize
624KB

Download
memory/3668-136-0x0000000005A00000-0x0000000005A0A000-memory.dmp

Filesize
40KB

Download