agenttesla | fdaff5b7230a045f22dcafc4da592c42c3386770c58757cc825a99fcef5f1f78

General

Target

d4ac2e301d054744db922f396d497a1f.exe
Size

641KB
MD5

d4ac2e301d054744db922f396d497a1f
SHA1

0a580a7ca5e1e2128ab507e644df45c54d939192
SHA256

fdaff5b7230a045f22dcafc4da592c42c3386770c58757cc825a99fcef5f1f78
SHA512

727f62c850bfad6d682d33f4aafa2a4442155b573f6b8fea8ba2c5d68617d4272e2e54083126bb1e8e712ce5acfbd543663268092ec24c422512450509d61cc0
SSDEEP

12288:wOsBgo0q4wMUsutJ0PNXVGYC+0quXXkzItj+DFZWWwobEnNeUJ:wOsBgo0q4wMEJQXd6qYXkkcJZzwHNe2

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
webmail.ipissbgroup.com
Port:
587
Username:
[email protected]
Password:
Possiblegod12345

Signatures

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

AgentTesla payload 8 IoCs

resource	yara_rule
behavioral1/memory/2984-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2984-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2984-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2984-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2984-20-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2984-23-0x0000000004C90000-0x0000000004CD0000-memory.dmp	family_agenttesla
behavioral1/memory/2984-25-0x0000000004C90000-0x0000000004CD0000-memory.dmp	family_agenttesla
behavioral1/memory/2984-26-0x0000000004C90000-0x0000000004CD0000-memory.dmp	family_agenttesla

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

resource	yara_rule
behavioral1/memory/3004-3-0x0000000000220000-0x0000000000232000-memory.dmp	CustAttr

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 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-1-5-21-1650401615-1019878084-3673944445-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d4ac2e301d054744db922f396d497a1f.exe
Key opened	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d4ac2e301d054744db922f396d497a1f.exe
Key opened	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d4ac2e301d054744db922f396d497a1f.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3004 set thread context of 2984	3004	d4ac2e301d054744db922f396d497a1f.exe	30

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2984	d4ac2e301d054744db922f396d497a1f.exe
2984	d4ac2e301d054744db922f396d497a1f.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2984	d4ac2e301d054744db922f396d497a1f.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2984	d4ac2e301d054744db922f396d497a1f.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 2984	3004	d4ac2e301d054744db922f396d497a1f.exe	30
PID 3004 wrote to memory of 2984	3004	d4ac2e301d054744db922f396d497a1f.exe	30
PID 3004 wrote to memory of 2984	3004	d4ac2e301d054744db922f396d497a1f.exe	30
PID 3004 wrote to memory of 2984	3004	d4ac2e301d054744db922f396d497a1f.exe	30
PID 3004 wrote to memory of 2984	3004	d4ac2e301d054744db922f396d497a1f.exe	30
PID 3004 wrote to memory of 2984	3004	d4ac2e301d054744db922f396d497a1f.exe	30
PID 3004 wrote to memory of 2984	3004	d4ac2e301d054744db922f396d497a1f.exe	30
PID 3004 wrote to memory of 2984	3004	d4ac2e301d054744db922f396d497a1f.exe	30
PID 3004 wrote to memory of 2984	3004	d4ac2e301d054744db922f396d497a1f.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d4ac2e301d054744db922f396d497a1f.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d4ac2e301d054744db922f396d497a1f.exe

C:\Users\Admin\AppData\Local\Temp\d4ac2e301d054744db922f396d497a1f.exe
"C:\Users\Admin\AppData\Local\Temp\d4ac2e301d054744db922f396d497a1f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Users\Admin\AppData\Local\Temp\d4ac2e301d054744db922f396d497a1f.exe
  "C:\Users\Admin\AppData\Local\Temp\d4ac2e301d054744db922f396d497a1f.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2984

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2984-20-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2984-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2984-26-0x0000000004C90000-0x0000000004CD0000-memory.dmp

Filesize
256KB

Download
memory/2984-25-0x0000000004C90000-0x0000000004CD0000-memory.dmp

Filesize
256KB

Download
memory/2984-24-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2984-23-0x0000000004C90000-0x0000000004CD0000-memory.dmp

Filesize
256KB

Download
memory/2984-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2984-22-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2984-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2984-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2984-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2984-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2984-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3004-6-0x0000000004E50000-0x0000000004EDA000-memory.dmp

Filesize
552KB

Download
memory/3004-1-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/3004-0-0x0000000001360000-0x0000000001406000-memory.dmp

Filesize
664KB

Download
memory/3004-21-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/3004-7-0x00000000003F0000-0x0000000000432000-memory.dmp

Filesize
264KB

Download
memory/3004-5-0x0000000004A30000-0x0000000004A70000-memory.dmp

Filesize
256KB

Download
memory/3004-4-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/3004-3-0x0000000000220000-0x0000000000232000-memory.dmp

Filesize
72KB

Download
memory/3004-2-0x0000000004A30000-0x0000000004A70000-memory.dmp

Filesize
256KB

Download

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