agenttesla | 1aabc291b910d51719c3f0fe074f4f284c160796d10d4d2a46acb3c64239449e

Analysis

max time kernel
146s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
01/11/2023, 12:36

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General

Target

6631a01942a28fc0507a84c854310df8.exe
Size

1.4MB
MD5

6631a01942a28fc0507a84c854310df8
SHA1

fc2075746a83511aa2e01409b4e8f9420af88625
SHA256

ae711943280a10e5296a2cf63302dbf4cfbec2cd1969346a9ced66085459f22c
SHA512

da9c001d355b493f9fe258f145d60afa35f3696859909e58069395f47fa1bcfa48e631e73cc235672518b2ae1c863ec8632e63a8fdc4ac9281debef8623ab9fa
SSDEEP

24576:sdAKF3zI//5CLMIlAXRZNqqk84BavP6bDK3k9mLX6f1XdshwMtBMeP4V56MoUi0V:s1F3iYmXRZNqqk84BavP6bDK3k9yX6f7

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.centraldefiltros.cl
Port:
587
Username:
[email protected]
Password:
icui4cu2@@
Email To:
[email protected]

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral10/memory/2548-7-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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 2 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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6631a01942a28fc0507a84c854310df8.exe
Key opened	\REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6631a01942a28fc0507a84c854310df8.exe
Key opened	\REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6631a01942a28fc0507a84c854310df8.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4608 set thread context of 2548	4608	6631a01942a28fc0507a84c854310df8.exe	90

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4608	6631a01942a28fc0507a84c854310df8.exe
4608	6631a01942a28fc0507a84c854310df8.exe
4608	6631a01942a28fc0507a84c854310df8.exe
4608	6631a01942a28fc0507a84c854310df8.exe
4608	6631a01942a28fc0507a84c854310df8.exe
4608	6631a01942a28fc0507a84c854310df8.exe
4608	6631a01942a28fc0507a84c854310df8.exe
4608	6631a01942a28fc0507a84c854310df8.exe
2548	6631a01942a28fc0507a84c854310df8.exe
2548	6631a01942a28fc0507a84c854310df8.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4608	6631a01942a28fc0507a84c854310df8.exe
Token: SeDebugPrivilege	2548	6631a01942a28fc0507a84c854310df8.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4608 wrote to memory of 2548	4608	6631a01942a28fc0507a84c854310df8.exe	90
PID 4608 wrote to memory of 2548	4608	6631a01942a28fc0507a84c854310df8.exe	90
PID 4608 wrote to memory of 2548	4608	6631a01942a28fc0507a84c854310df8.exe	90
PID 4608 wrote to memory of 2548	4608	6631a01942a28fc0507a84c854310df8.exe	90
PID 4608 wrote to memory of 2548	4608	6631a01942a28fc0507a84c854310df8.exe	90
PID 4608 wrote to memory of 2548	4608	6631a01942a28fc0507a84c854310df8.exe	90
PID 4608 wrote to memory of 2548	4608	6631a01942a28fc0507a84c854310df8.exe	90
PID 4608 wrote to memory of 2548	4608	6631a01942a28fc0507a84c854310df8.exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6631a01942a28fc0507a84c854310df8.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6631a01942a28fc0507a84c854310df8.exe

C:\Users\Admin\AppData\Local\Temp\6631a01942a28fc0507a84c854310df8.exe
"C:\Users\Admin\AppData\Local\Temp\6631a01942a28fc0507a84c854310df8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4608
- C:\Users\Admin\AppData\Local\Temp\6631a01942a28fc0507a84c854310df8.exe
  "C:\Users\Admin\AppData\Local\Temp\6631a01942a28fc0507a84c854310df8.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2548-12-0x0000000005F10000-0x0000000005F28000-memory.dmp

Filesize
96KB

Download
memory/2548-13-0x0000000005FC0000-0x0000000006026000-memory.dmp

Filesize
408KB

Download
memory/2548-17-0x0000000005FB0000-0x0000000005FBA000-memory.dmp

Filesize
40KB

Download
memory/2548-16-0x0000000001080000-0x00000000010D0000-memory.dmp

Filesize
320KB

Download
memory/2548-15-0x0000000005360000-0x0000000005370000-memory.dmp

Filesize
64KB

Download
memory/2548-14-0x00000000749A0000-0x0000000075150000-memory.dmp

Filesize
7.7MB

Download
memory/2548-8-0x00000000749A0000-0x0000000075150000-memory.dmp

Filesize
7.7MB

Download
memory/2548-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2548-9-0x0000000005130000-0x00000000051C2000-memory.dmp

Filesize
584KB

Download
memory/2548-10-0x0000000005360000-0x0000000005370000-memory.dmp

Filesize
64KB

Download
memory/4608-1-0x00000000749A0000-0x0000000075150000-memory.dmp

Filesize
7.7MB

Download
memory/4608-11-0x00000000749A0000-0x0000000075150000-memory.dmp

Filesize
7.7MB

Download
memory/4608-0-0x0000000000240000-0x00000000003A4000-memory.dmp

Filesize
1.4MB

Download
memory/4608-6-0x00000000056F0000-0x0000000005C94000-memory.dmp

Filesize
5.6MB

Download
memory/4608-5-0x0000000004CB0000-0x0000000004CC6000-memory.dmp

Filesize
88KB

Download
memory/4608-4-0x0000000004DC0000-0x0000000004E72000-memory.dmp

Filesize
712KB

Download
memory/4608-3-0x0000000004EC0000-0x0000000004ED0000-memory.dmp

Filesize
64KB

Download
memory/4608-2-0x0000000004D20000-0x0000000004DBC000-memory.dmp

Filesize
624KB

Download