agenttesla | 3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6

Analysis

max time kernel
143s
max time network
144s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
02-11-2024 04:06

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General

Target

3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe
Size

1.2MB
MD5

c8425676238228d1113a7ec5f2def5b8
SHA1

e65b447b52f61dca39f6a2fcf06f772f98289f12
SHA256

3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6
SHA512

83b070b7c90a6a203e58732f92f304a094af9c53c1c8fb36280c402c911a3a3b1b7c3337afdf4f344207a416e7abf451e361ed1875635af979e3701b17d33f82
SSDEEP

24576:y4nhDoAFAImWmC4m6eI0uVhBoBNFy0oy3sZNXLGQ7WczkxFnfbP9U:y+hkxTlwVI02Y59TaNXKQKczgy

Score

10^/10

agenttesla guloader collection discovery downloader keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.mbarieservicesltd.com
Port:
587
Username:
[email protected]
Password:
*o9H+18Q4%;M
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Agenttesla family
agenttesla
Guloader family
guloader
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader
Loads dropped DLL 1 IoCs

Processes:

3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe

pid process

2584 3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
T1552.001
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
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

4 drive.google.com
5 drive.google.com
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes:

3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe

pid process

2980 3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe

flow	ioc
4	drive.google.com
5	drive.google.com

pid	process
2980	3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe

pid	process
2584	3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe
2980	3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe

description	pid	process	target process
PID 2584 set thread context of 2980	2584	3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe	3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe

Drops file in Program Files directory 2 IoCs

Processes:

3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Common Files\brisantgranatens\baegersvamp.For	3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe
File opened for modification	C:\Program Files (x86)\Common Files\Azonic255\lithoclase.ini	3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe

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

Processes:

3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe

pid process

2584 3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe

description pid process

Token: SeDebugPrivilege 2980 3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe

description	pid	process
Token: SeDebugPrivilege	2980	3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe

description	pid	process	target process
PID 2584 wrote to memory of 2980	2584	3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe	3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe
PID 2584 wrote to memory of 2980	2584	3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe	3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe
PID 2584 wrote to memory of 2980	2584	3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe	3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe
PID 2584 wrote to memory of 2980	2584	3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe	3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe
PID 2584 wrote to memory of 2980	2584	3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe	3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe
PID 2584 wrote to memory of 2980	2584	3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe	3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe

outlook_office_path 1 IoCs

Processes:

3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe

outlook_win_path 1 IoCs

Processes:

3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe

C:\Users\Admin\AppData\Local\Temp\3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe
"C:\Users\Admin\AppData\Local\Temp\3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2584
- C:\Users\Admin\AppData\Local\Temp\3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe
  "C:\Users\Admin\AppData\Local\Temp\3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2980

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nsjA7F5.tmp\System.dll

Filesize
12KB

MD5
d6f54d2cefdf58836805796f55bfc846

SHA1
b980addc1a755b968dd5799179d3b4f1c2de9d2d

SHA256
f917aef484d1fbb4d723b2e2d3045cb6f5f664e61fbb3d5c577bd1c215de55d9

SHA512
ce67da936a93d46ef7e81abc8276787c82fd844c03630ba18afc3528c7e420c3228bfe82aeda083bb719f2d1314afae913362abd1e220cb364606519690d45db

Download Submit
memory/2584-16-0x0000000003AB0000-0x00000000069F2000-memory.dmp

Filesize
47.3MB

Download
memory/2584-17-0x0000000003AB0000-0x00000000069F2000-memory.dmp

Filesize
47.3MB

Download
memory/2584-19-0x0000000077910000-0x0000000077AB9000-memory.dmp

Filesize
1.7MB

Download
memory/2584-18-0x0000000077911000-0x0000000077A12000-memory.dmp

Filesize
1.0MB

Download
memory/2584-21-0x0000000003AB0000-0x00000000069F2000-memory.dmp

Filesize
47.3MB

Download
memory/2980-20-0x0000000077910000-0x0000000077AB9000-memory.dmp

Filesize
1.7MB

Download
memory/2980-38-0x0000000000820000-0x0000000001882000-memory.dmp

Filesize
16.4MB

Download
memory/2980-42-0x0000000000820000-0x0000000001882000-memory.dmp

Filesize
16.4MB

Download
memory/2980-43-0x0000000000820000-0x0000000000850000-memory.dmp

Filesize
192KB

Download