agenttesla | f4b3ef438899f2fafa54940da7f9255d6ef762f052015bba809e339400e73691

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11-09-2024 15:26

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General

Target

f4b3ef438899f2fafa54940da7f9255d6ef762f052015bba809e339400e73691.exe
Size

1.1MB
MD5

a75213bdbb2472198c5f095350570610
SHA1

c1ee6182bb849b341399114dec39988a93dd566e
SHA256

f4b3ef438899f2fafa54940da7f9255d6ef762f052015bba809e339400e73691
SHA512

2b3e2396d2ee434b18c405719b421c394e68575cc02e6d46258977d1494edb9df5a9d92478a77515bc3454f783542dcbc15d785d314dad17c45c633c4ae309d5
SSDEEP

24576:G4lavt0LkLL9IMixoEgeaN5Hk/mdYpxRbfUCq9MmCS:Rkwkn9IMHeaNa/mwxNaPCS

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1436 set thread context of 3772	1436	f4b3ef438899f2fafa54940da7f9255d6ef762f052015bba809e339400e73691.exe	86

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f4b3ef438899f2fafa54940da7f9255d6ef762f052015bba809e339400e73691.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1436	f4b3ef438899f2fafa54940da7f9255d6ef762f052015bba809e339400e73691.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3772	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1436	f4b3ef438899f2fafa54940da7f9255d6ef762f052015bba809e339400e73691.exe
1436	f4b3ef438899f2fafa54940da7f9255d6ef762f052015bba809e339400e73691.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1436	f4b3ef438899f2fafa54940da7f9255d6ef762f052015bba809e339400e73691.exe
1436	f4b3ef438899f2fafa54940da7f9255d6ef762f052015bba809e339400e73691.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1436 wrote to memory of 3772	1436	f4b3ef438899f2fafa54940da7f9255d6ef762f052015bba809e339400e73691.exe	86
PID 1436 wrote to memory of 3772	1436	f4b3ef438899f2fafa54940da7f9255d6ef762f052015bba809e339400e73691.exe	86
PID 1436 wrote to memory of 3772	1436	f4b3ef438899f2fafa54940da7f9255d6ef762f052015bba809e339400e73691.exe	86
PID 1436 wrote to memory of 3772	1436	f4b3ef438899f2fafa54940da7f9255d6ef762f052015bba809e339400e73691.exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\f4b3ef438899f2fafa54940da7f9255d6ef762f052015bba809e339400e73691.exe
"C:\Users\Admin\AppData\Local\Temp\f4b3ef438899f2fafa54940da7f9255d6ef762f052015bba809e339400e73691.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1436
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\f4b3ef438899f2fafa54940da7f9255d6ef762f052015bba809e339400e73691.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3772

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\aut8BD5.tmp

Filesize
260KB

MD5
f05ccb7cc5e93999c508fb8a1e96da3b

SHA1
20b81db0e9ff8f72b520418593e8d04497937045

SHA256
d5daa7be64c5e81d4aa9bf49eed19b4202fd9a879d0a4f6353a4f7d57e3b137e

SHA512
b555d6216cd31eea421d127d5bbdb152764d5e090a102e637063df6671570ad703faca73ae3c6d66ab92e7fcac3eb596fac30953ebb723177a2e3ab5857c8771

Download Submit
memory/1436-7-0x0000000004300000-0x0000000004304000-memory.dmp

Filesize
16KB

Download
memory/3772-8-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3772-9-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3772-11-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3772-10-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3772-12-0x0000000073E4E000-0x0000000073E4F000-memory.dmp

Filesize
4KB

Download
memory/3772-13-0x0000000002EA0000-0x0000000002EE6000-memory.dmp

Filesize
280KB

Download
memory/3772-14-0x0000000073E40000-0x00000000745F0000-memory.dmp

Filesize
7.7MB

Download
memory/3772-15-0x0000000005BB0000-0x0000000006154000-memory.dmp

Filesize
5.6MB

Download
memory/3772-16-0x0000000002F40000-0x0000000002F84000-memory.dmp

Filesize
272KB

Download
memory/3772-18-0x0000000002F40000-0x0000000002F7E000-memory.dmp

Filesize
248KB

Download
memory/3772-76-0x0000000002F40000-0x0000000002F7E000-memory.dmp

Filesize
248KB

Download
memory/3772-74-0x0000000002F40000-0x0000000002F7E000-memory.dmp

Filesize
248KB

Download
memory/3772-72-0x0000000002F40000-0x0000000002F7E000-memory.dmp

Filesize
248KB

Download
memory/3772-308-0x0000000073E40000-0x00000000745F0000-memory.dmp

Filesize
7.7MB

Download
memory/3772-68-0x0000000002F40000-0x0000000002F7E000-memory.dmp

Filesize
248KB

Download
memory/3772-66-0x0000000002F40000-0x0000000002F7E000-memory.dmp

Filesize
248KB

Download
memory/3772-64-0x0000000002F40000-0x0000000002F7E000-memory.dmp

Filesize
248KB

Download
memory/3772-62-0x0000000002F40000-0x0000000002F7E000-memory.dmp

Filesize
248KB

Download
memory/3772-60-0x0000000002F40000-0x0000000002F7E000-memory.dmp

Filesize
248KB

Download
memory/3772-59-0x0000000002F40000-0x0000000002F7E000-memory.dmp

Filesize
248KB

Download
memory/3772-56-0x0000000002F40000-0x0000000002F7E000-memory.dmp

Filesize
248KB

Download
memory/3772-52-0x0000000002F40000-0x0000000002F7E000-memory.dmp

Filesize
248KB

Download
memory/3772-50-0x0000000002F40000-0x0000000002F7E000-memory.dmp

Filesize
248KB

Download
memory/3772-48-0x0000000002F40000-0x0000000002F7E000-memory.dmp

Filesize
248KB

Download
memory/3772-46-0x0000000002F40000-0x0000000002F7E000-memory.dmp

Filesize
248KB

Download
memory/3772-42-0x0000000002F40000-0x0000000002F7E000-memory.dmp

Filesize
248KB

Download
memory/3772-40-0x0000000002F40000-0x0000000002F7E000-memory.dmp

Filesize
248KB

Download
memory/3772-38-0x0000000002F40000-0x0000000002F7E000-memory.dmp

Filesize
248KB

Download
memory/3772-36-0x0000000002F40000-0x0000000002F7E000-memory.dmp

Filesize
248KB

Download
memory/3772-34-0x0000000002F40000-0x0000000002F7E000-memory.dmp

Filesize
248KB

Download
memory/3772-32-0x0000000002F40000-0x0000000002F7E000-memory.dmp

Filesize
248KB

Download
memory/3772-30-0x0000000002F40000-0x0000000002F7E000-memory.dmp

Filesize
248KB

Download
memory/3772-28-0x0000000002F40000-0x0000000002F7E000-memory.dmp

Filesize
248KB

Download
memory/3772-26-0x0000000002F40000-0x0000000002F7E000-memory.dmp

Filesize
248KB

Download
memory/3772-24-0x0000000002F40000-0x0000000002F7E000-memory.dmp

Filesize
248KB

Download
memory/3772-22-0x0000000002F40000-0x0000000002F7E000-memory.dmp

Filesize
248KB

Download
memory/3772-20-0x0000000002F40000-0x0000000002F7E000-memory.dmp

Filesize
248KB

Download
memory/3772-17-0x0000000002F40000-0x0000000002F7E000-memory.dmp

Filesize
248KB

Download
memory/3772-113-0x0000000073E40000-0x00000000745F0000-memory.dmp

Filesize
7.7MB

Download
memory/3772-70-0x0000000002F40000-0x0000000002F7E000-memory.dmp

Filesize
248KB

Download
memory/3772-54-0x0000000002F40000-0x0000000002F7E000-memory.dmp

Filesize
248KB

Download
memory/3772-44-0x0000000002F40000-0x0000000002F7E000-memory.dmp

Filesize
248KB

Download
memory/3772-1086-0x0000000005580000-0x00000000055E6000-memory.dmp

Filesize
408KB

Download
memory/3772-1085-0x0000000073E40000-0x00000000745F0000-memory.dmp

Filesize
7.7MB

Download
memory/3772-1087-0x0000000006820000-0x00000000068B2000-memory.dmp

Filesize
584KB

Download
memory/3772-1088-0x00000000068C0000-0x00000000068CA000-memory.dmp

Filesize
40KB

Download
memory/3772-1089-0x0000000006A90000-0x0000000006AE0000-memory.dmp

Filesize
320KB

Download
memory/3772-1090-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3772-1091-0x0000000073E4E000-0x0000000073E4F000-memory.dmp

Filesize
4KB

Download
memory/3772-1092-0x0000000073E40000-0x00000000745F0000-memory.dmp

Filesize
7.7MB

Download