agenttesla | c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198 | Triage

Analysis

max time kernel
132s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
30-11-2022 17:25

Sharing

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General

Target

c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.exe
Size

732KB
MD5

d247e23631ef6278121db80e8bc8c494
SHA1

173efb03f25d8153827047f710dbebd666ba6699
SHA256

c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198
SHA512

9407a2457ee0e8da07aec74b52d7320bfcef0828c3d81e41a082ed77585d4fb8f3566d0ecacf7034dd194271410f19afbbe022ba6fb068097e2b691dae8cfc81
SSDEEP

12288:q+okXGAy4MBZobkP2AqSLhO4dhIUNJ0dsFjQ/ThcYv2tasGHW:qIGAyjB2IP2Aq8hO4dKUNJXQrHutasoW

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.generalbravo.com
Port:
587
Username:
[email protected]
Password:
D^!Ers)9

Signatures

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

AgentTesla payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/720-138-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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
T1081
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
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

Email Collection

Processes:

c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.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	c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.exe

description	pid	process	target process
PID 4324 set thread context of 720	4324	c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.exe	c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.exe

pid	process
720	c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.exe
720	c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.exe

description pid process

Token: SeDebugPrivilege 720 c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.exe

description	pid	process	target process
PID 4324 wrote to memory of 720	4324	c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.exe	c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.exe
PID 4324 wrote to memory of 720	4324	c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.exe	c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.exe
PID 4324 wrote to memory of 720	4324	c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.exe	c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.exe
PID 4324 wrote to memory of 720	4324	c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.exe	c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.exe
PID 4324 wrote to memory of 720	4324	c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.exe	c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.exe
PID 4324 wrote to memory of 720	4324	c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.exe	c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.exe
PID 4324 wrote to memory of 720	4324	c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.exe	c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.exe
PID 4324 wrote to memory of 720	4324	c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.exe	c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.exe

outlook_office_path 1 IoCs

Processes:

c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.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	c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.exe

outlook_win_path 1 IoCs

Processes:

c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.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	c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.exe

C:\Users\Admin\AppData\Local\Temp\c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.exe
"C:\Users\Admin\AppData\Local\Temp\c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4324

C:\Users\Admin\AppData\Local\Temp\c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:720

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\c2f11e94a50eab829124056d2f499528c287d7c3c24ec8d0797df2a1e20d5198.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/720-137-0x0000000000000000-mapping.dmp

Download
memory/720-138-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/720-140-0x0000000005E10000-0x0000000005E76000-memory.dmp

Filesize
408KB

Download
memory/720-141-0x0000000000FA0000-0x0000000000FF0000-memory.dmp

Filesize
320KB

Download
memory/4324-132-0x0000000000010000-0x00000000000CE000-memory.dmp

Filesize
760KB

Download
memory/4324-133-0x0000000004F50000-0x00000000054F4000-memory.dmp

Filesize
5.6MB

Download
memory/4324-134-0x0000000004A80000-0x0000000004B12000-memory.dmp

Filesize
584KB

Download
memory/4324-135-0x0000000004C10000-0x0000000004C1A000-memory.dmp

Filesize
40KB

Download
memory/4324-136-0x00000000082A0000-0x000000000833C000-memory.dmp

Filesize
624KB

Download