agenttesla | c1b9ddd584078ecf7375239eecc419c3ebcf441c71db62b8e559b88613861026

Analysis

max time kernel
146s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
30-01-2023 10:55

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General

Target

83c261ea71476210fa5f69e1e306a0ed.exe
Size

706KB
MD5

83c261ea71476210fa5f69e1e306a0ed
SHA1

57e3b8222a66615cc211555f8cdc1b95fc4964ce
SHA256

c1b9ddd584078ecf7375239eecc419c3ebcf441c71db62b8e559b88613861026
SHA512

cf36d08381582e2ce6c80be7f36ec9e5f84cfd5b99db4058a2089add30584cfc0c4ede27071f7e994d2742ed513cd8a1705a88d573c3cae8f82f2b6f31710525
SSDEEP

12288:YG9/FJMVTEkYR5wpZp+E4auuWw1hWeh3ih9HlA:YI/Fq8zQWELWwBYTu

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot5672966801:AAGkdauVLuRijg4BBwGbZ-5sO2ggBTSZUHE/

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-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\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
23	api.ipify.org
24	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

83c261ea71476210fa5f69e1e306a0ed.exe

description	pid	Process	procid_target
PID 4748 set thread context of 3524	4748	83c261ea71476210fa5f69e1e306a0ed.exe	91

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

83c261ea71476210fa5f69e1e306a0ed.exeMSBuild.exe

pid	Process
4748	83c261ea71476210fa5f69e1e306a0ed.exe
4748	83c261ea71476210fa5f69e1e306a0ed.exe
3524	MSBuild.exe
3524	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

83c261ea71476210fa5f69e1e306a0ed.exeMSBuild.exe

description	pid	Process
Token: SeDebugPrivilege	4748	83c261ea71476210fa5f69e1e306a0ed.exe
Token: SeDebugPrivilege	3524	MSBuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

83c261ea71476210fa5f69e1e306a0ed.exe

description	pid	Process	procid_target
PID 4748 wrote to memory of 3784	4748	83c261ea71476210fa5f69e1e306a0ed.exe	90
PID 4748 wrote to memory of 3784	4748	83c261ea71476210fa5f69e1e306a0ed.exe	90
PID 4748 wrote to memory of 3784	4748	83c261ea71476210fa5f69e1e306a0ed.exe	90
PID 4748 wrote to memory of 3524	4748	83c261ea71476210fa5f69e1e306a0ed.exe	91
PID 4748 wrote to memory of 3524	4748	83c261ea71476210fa5f69e1e306a0ed.exe	91
PID 4748 wrote to memory of 3524	4748	83c261ea71476210fa5f69e1e306a0ed.exe	91
PID 4748 wrote to memory of 3524	4748	83c261ea71476210fa5f69e1e306a0ed.exe	91
PID 4748 wrote to memory of 3524	4748	83c261ea71476210fa5f69e1e306a0ed.exe	91
PID 4748 wrote to memory of 3524	4748	83c261ea71476210fa5f69e1e306a0ed.exe	91
PID 4748 wrote to memory of 3524	4748	83c261ea71476210fa5f69e1e306a0ed.exe	91
PID 4748 wrote to memory of 3524	4748	83c261ea71476210fa5f69e1e306a0ed.exe	91

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\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-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\83c261ea71476210fa5f69e1e306a0ed.exe
"C:\Users\Admin\AppData\Local\Temp\83c261ea71476210fa5f69e1e306a0ed.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4748
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:3784
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3524

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/3524-136-0x0000000000000000-mapping.dmp

Download
memory/3524-137-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3524-138-0x0000000005860000-0x0000000005E04000-memory.dmp

Filesize
5.6MB

Download
memory/3524-139-0x0000000006030000-0x0000000006096000-memory.dmp

Filesize
408KB

Download
memory/3524-140-0x00000000069C0000-0x0000000006A10000-memory.dmp

Filesize
320KB

Download
memory/3524-141-0x0000000006B20000-0x0000000006B2A000-memory.dmp

Filesize
40KB

Download
memory/3784-135-0x0000000000000000-mapping.dmp

Download
memory/4748-132-0x0000000000D00000-0x0000000000DB6000-memory.dmp

Filesize
728KB

Download
memory/4748-133-0x00000000058C0000-0x0000000005952000-memory.dmp

Filesize
584KB

Download
memory/4748-134-0x0000000005C50000-0x0000000005CEC000-memory.dmp

Filesize
624KB

Download