agenttesla | c1b9ddd584078ecf7375239eecc419c3ebcf441c71db62b8e559b88613861026

Analysis

max time kernel
56s
max time network
120s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Office\15.0\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.

flow	ioc
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1632 set thread context of 472	1632	83c261ea71476210fa5f69e1e306a0ed.exe	27

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
472	MSBuild.exe
472	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	472	MSBuild.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1632 wrote to memory of 472	1632	83c261ea71476210fa5f69e1e306a0ed.exe	27
PID 1632 wrote to memory of 472	1632	83c261ea71476210fa5f69e1e306a0ed.exe	27
PID 1632 wrote to memory of 472	1632	83c261ea71476210fa5f69e1e306a0ed.exe	27
PID 1632 wrote to memory of 472	1632	83c261ea71476210fa5f69e1e306a0ed.exe	27
PID 1632 wrote to memory of 472	1632	83c261ea71476210fa5f69e1e306a0ed.exe	27
PID 1632 wrote to memory of 472	1632	83c261ea71476210fa5f69e1e306a0ed.exe	27
PID 1632 wrote to memory of 472	1632	83c261ea71476210fa5f69e1e306a0ed.exe	27
PID 1632 wrote to memory of 472	1632	83c261ea71476210fa5f69e1e306a0ed.exe	27
PID 1632 wrote to memory of 472	1632	83c261ea71476210fa5f69e1e306a0ed.exe	27

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\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 use of WriteProcessMemory
PID:1632
- 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:472

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/472-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/472-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/472-70-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/472-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/472-60-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/472-63-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/472-68-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1632-55-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

Filesize
8KB

Download
memory/1632-54-0x00000000010E0000-0x0000000001196000-memory.dmp

Filesize
728KB

Download
memory/1632-59-0x0000000000B20000-0x0000000000B5E000-memory.dmp

Filesize
248KB

Download
memory/1632-58-0x00000000053E0000-0x0000000005456000-memory.dmp

Filesize
472KB

Download
memory/1632-57-0x00000000009B0000-0x00000000009BA000-memory.dmp

Filesize
40KB

Download
memory/1632-56-0x0000000000700000-0x0000000000714000-memory.dmp

Filesize
80KB

Download