agenttesla | 526cf17fdd98b9eeba1b3b991c1cda2f9e78b074b6f5b9fbc35624b9aea266fc

General

Target

e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4.exe
Size

438KB
MD5

40a931986e5bf561e932144f66730a3d
SHA1

5e3f8cfe8b6fb95ed0d9c5737f0bce48be65421a
SHA256

e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4
SHA512

6c2ab098edebbdbd34228d04638ecd18cf703a66d1258b4336d1698f888e73b2f39c733504e54c13e29873224dd71014df0fa1d0d54f5d571dc10cc2b5da5d64
SSDEEP

6144:h5TLNJV+oJbP2SLlyq0FQkh2ruU5Ag6Co3AXvXcj9Tpo2kYw:LbBrepQ+2SUigLfX52Bw

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.securido.my
Port:
587
Username:
[email protected]
Password:
securido2411

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
behavioral2/memory/4492-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

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-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4.exe
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4.exe
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1848 set thread context of 4492	1848	e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4.exe	98

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1848	e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4.exe
1848	e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4.exe
1848	e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4.exe
1848	e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4.exe
4492	e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4.exe
4492	e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1848	e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4.exe
Token: SeDebugPrivilege	4492	e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1848 wrote to memory of 468	1848	e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4.exe	97
PID 1848 wrote to memory of 468	1848	e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4.exe	97
PID 1848 wrote to memory of 468	1848	e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4.exe	97
PID 1848 wrote to memory of 4492	1848	e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4.exe	98
PID 1848 wrote to memory of 4492	1848	e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4.exe	98
PID 1848 wrote to memory of 4492	1848	e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4.exe	98
PID 1848 wrote to memory of 4492	1848	e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4.exe	98
PID 1848 wrote to memory of 4492	1848	e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4.exe	98
PID 1848 wrote to memory of 4492	1848	e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4.exe	98
PID 1848 wrote to memory of 4492	1848	e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4.exe	98
PID 1848 wrote to memory of 4492	1848	e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4.exe	98

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4.exe

C:\Users\Admin\AppData\Local\Temp\e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4.exe
"C:\Users\Admin\AppData\Local\Temp\e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1848
- C:\Users\Admin\AppData\Local\Temp\e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4.exe
  "C:\Users\Admin\AppData\Local\Temp\e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4.exe"
  2⤵
  PID:468
- C:\Users\Admin\AppData\Local\Temp\e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4.exe
  "C:\Users\Admin\AppData\Local\Temp\e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4492

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

5

T1552

Credentials In Files

4

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

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\e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1848-10-0x00000000064C0000-0x0000000006520000-memory.dmp

Filesize
384KB

Download
memory/1848-0-0x0000000074FDE000-0x0000000074FDF000-memory.dmp

Filesize
4KB

Download
memory/1848-3-0x0000000004DD0000-0x0000000004E62000-memory.dmp

Filesize
584KB

Download
memory/1848-5-0x0000000074FD0000-0x0000000075780000-memory.dmp

Filesize
7.7MB

Download
memory/1848-4-0x0000000004E90000-0x0000000004E9A000-memory.dmp

Filesize
40KB

Download
memory/1848-6-0x0000000006560000-0x00000000065FC000-memory.dmp

Filesize
624KB

Download
memory/1848-7-0x0000000005240000-0x000000000524E000-memory.dmp

Filesize
56KB

Download
memory/1848-8-0x0000000074FDE000-0x0000000074FDF000-memory.dmp

Filesize
4KB

Download
memory/1848-9-0x0000000074FD0000-0x0000000075780000-memory.dmp

Filesize
7.7MB

Download
memory/1848-15-0x0000000074FD0000-0x0000000075780000-memory.dmp

Filesize
7.7MB

Download
memory/1848-2-0x00000000052A0000-0x0000000005844000-memory.dmp

Filesize
5.6MB

Download
memory/1848-1-0x00000000004C0000-0x0000000000534000-memory.dmp

Filesize
464KB

Download
memory/4492-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4492-16-0x0000000074FD0000-0x0000000075780000-memory.dmp

Filesize
7.7MB

Download
memory/4492-14-0x0000000074FD0000-0x0000000075780000-memory.dmp

Filesize
7.7MB

Download
memory/4492-17-0x00000000053A0000-0x00000000053B8000-memory.dmp

Filesize
96KB

Download
memory/4492-18-0x0000000005C40000-0x0000000005CA6000-memory.dmp

Filesize
408KB

Download
memory/4492-19-0x0000000074FD0000-0x0000000075780000-memory.dmp

Filesize
7.7MB

Download
memory/4492-20-0x0000000074FD0000-0x0000000075780000-memory.dmp

Filesize
7.7MB

Download
memory/4492-21-0x0000000006360000-0x00000000063B0000-memory.dmp

Filesize
320KB

Download
memory/4492-22-0x0000000074FD0000-0x0000000075780000-memory.dmp

Filesize
7.7MB

Download
memory/4492-23-0x0000000074FD0000-0x0000000075780000-memory.dmp

Filesize
7.7MB

Download

Analysis

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