agenttesla | 41543487dfd0081c50bc9dbb1c347b9a2c21763413ea1d46dd62bfaf6b6afca7

Analysis

max time kernel
91s
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
07/12/2022, 02:54

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General

Target

PO-1607201158.exe
Size

796KB
MD5

a42c2e2b9c34fa278e47f0f7d3fb42f8
SHA1

f38936225c35843224695ed18cd96b1caf205e6a
SHA256

41543487dfd0081c50bc9dbb1c347b9a2c21763413ea1d46dd62bfaf6b6afca7
SHA512

0d73214f98ef4c04b441732e61933ad12a49faf2a03d1db41669c3af83cd45a9cd96990d72ed985f7c30a4c1805b8c56ff3eb13fe3928b4743ff6bba4ba5fdb4
SSDEEP

12288:Qcayfa45iF0yj5ramX2+/1HZipgUM+ZMthdMgeQtOyujmahgKZ/nXt7virmWhlG1:DLrKDtrZdHwpgK2tMI0

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
@@Marriedj8OQWinbi1

Signatures

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

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-1607201158.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-1607201158.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-1607201158.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4152 set thread context of 3688	4152	PO-1607201158.exe	91

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3688	PO-1607201158.exe
3688	PO-1607201158.exe
3688	PO-1607201158.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3688	PO-1607201158.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4152 wrote to memory of 3688	4152	PO-1607201158.exe	91
PID 4152 wrote to memory of 3688	4152	PO-1607201158.exe	91
PID 4152 wrote to memory of 3688	4152	PO-1607201158.exe	91
PID 4152 wrote to memory of 3688	4152	PO-1607201158.exe	91
PID 4152 wrote to memory of 3688	4152	PO-1607201158.exe	91
PID 4152 wrote to memory of 3688	4152	PO-1607201158.exe	91
PID 4152 wrote to memory of 3688	4152	PO-1607201158.exe	91
PID 4152 wrote to memory of 3688	4152	PO-1607201158.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-1607201158.exe

outlook_win_path 1 IoCs

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	PO-1607201158.exe

C:\Users\Admin\AppData\Local\Temp\PO-1607201158.exe
"C:\Users\Admin\AppData\Local\Temp\PO-1607201158.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4152
- C:\Users\Admin\AppData\Local\Temp\PO-1607201158.exe
  "C:\Users\Admin\AppData\Local\Temp\PO-1607201158.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3688

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO-1607201158.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/3688-138-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3688-140-0x0000000005A60000-0x0000000005AC6000-memory.dmp

Filesize
408KB

Download
memory/3688-141-0x00000000062E0000-0x0000000006330000-memory.dmp

Filesize
320KB

Download
memory/4152-132-0x0000000000780000-0x000000000084E000-memory.dmp

Filesize
824KB

Download
memory/4152-133-0x0000000005840000-0x0000000005DE4000-memory.dmp

Filesize
5.6MB

Download
memory/4152-134-0x00000000051E0000-0x0000000005272000-memory.dmp

Filesize
584KB

Download
memory/4152-135-0x0000000005290000-0x000000000529A000-memory.dmp

Filesize
40KB

Download
memory/4152-136-0x0000000007B80000-0x0000000007C1C000-memory.dmp

Filesize
624KB

Download