agenttesla | 975ec4a6250960b45606ce9c155560c3283a3df4ffab69ec81f8cabdbc714b0e

Analysis

max time kernel
131s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-09-2024 02:36

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General

Target

62bc8624b6ed645ddbe1420ca67376863c88e58e347fc8282001a2b9e3330918.exe
Size

574KB
MD5

00fe3f2a77b6bb57385d403411d45e39
SHA1

ad101cb7eab390ed45ec84294da65059aa2fde70
SHA256

62bc8624b6ed645ddbe1420ca67376863c88e58e347fc8282001a2b9e3330918
SHA512

b7fedd8e92b2569130df1faa8cfd5736d457c98991d0a14ce059e05b37bea79e36cd970d06510b4397c08333737d166c8e7121c037713e35fd5fabe53290aa13
SSDEEP

12288:YmEUG3Ap0FzZL2gSOfVxTaSaSehhjtrS2KlP:Yrp3E0FzZDSm3W+IU

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
milax.tk
Port:
587
Username:
[email protected]
Password:
7213575aceACE@#$
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 5 IoCs

resource	yara_rule
behavioral5/memory/2672-21-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral5/memory/2672-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral5/memory/2672-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral5/memory/2672-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral5/memory/2672-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	62bc8624b6ed645ddbe1420ca67376863c88e58e347fc8282001a2b9e3330918.exe

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 3 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

Credentials from Web Browsers
T1555.003
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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	62bc8624b6ed645ddbe1420ca67376863c88e58e347fc8282001a2b9e3330918.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	62bc8624b6ed645ddbe1420ca67376863c88e58e347fc8282001a2b9e3330918.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	62bc8624b6ed645ddbe1420ca67376863c88e58e347fc8282001a2b9e3330918.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1120 set thread context of 2672	1120	62bc8624b6ed645ddbe1420ca67376863c88e58e347fc8282001a2b9e3330918.exe	30

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	62bc8624b6ed645ddbe1420ca67376863c88e58e347fc8282001a2b9e3330918.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	62bc8624b6ed645ddbe1420ca67376863c88e58e347fc8282001a2b9e3330918.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2672	62bc8624b6ed645ddbe1420ca67376863c88e58e347fc8282001a2b9e3330918.exe
2672	62bc8624b6ed645ddbe1420ca67376863c88e58e347fc8282001a2b9e3330918.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2672	62bc8624b6ed645ddbe1420ca67376863c88e58e347fc8282001a2b9e3330918.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2672	62bc8624b6ed645ddbe1420ca67376863c88e58e347fc8282001a2b9e3330918.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1120 wrote to memory of 2672	1120	62bc8624b6ed645ddbe1420ca67376863c88e58e347fc8282001a2b9e3330918.exe	30
PID 1120 wrote to memory of 2672	1120	62bc8624b6ed645ddbe1420ca67376863c88e58e347fc8282001a2b9e3330918.exe	30
PID 1120 wrote to memory of 2672	1120	62bc8624b6ed645ddbe1420ca67376863c88e58e347fc8282001a2b9e3330918.exe	30
PID 1120 wrote to memory of 2672	1120	62bc8624b6ed645ddbe1420ca67376863c88e58e347fc8282001a2b9e3330918.exe	30
PID 1120 wrote to memory of 2672	1120	62bc8624b6ed645ddbe1420ca67376863c88e58e347fc8282001a2b9e3330918.exe	30
PID 1120 wrote to memory of 2672	1120	62bc8624b6ed645ddbe1420ca67376863c88e58e347fc8282001a2b9e3330918.exe	30
PID 1120 wrote to memory of 2672	1120	62bc8624b6ed645ddbe1420ca67376863c88e58e347fc8282001a2b9e3330918.exe	30
PID 1120 wrote to memory of 2672	1120	62bc8624b6ed645ddbe1420ca67376863c88e58e347fc8282001a2b9e3330918.exe	30
PID 1120 wrote to memory of 2672	1120	62bc8624b6ed645ddbe1420ca67376863c88e58e347fc8282001a2b9e3330918.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	62bc8624b6ed645ddbe1420ca67376863c88e58e347fc8282001a2b9e3330918.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	62bc8624b6ed645ddbe1420ca67376863c88e58e347fc8282001a2b9e3330918.exe

C:\Users\Admin\AppData\Local\Temp\62bc8624b6ed645ddbe1420ca67376863c88e58e347fc8282001a2b9e3330918.exe
"C:\Users\Admin\AppData\Local\Temp\62bc8624b6ed645ddbe1420ca67376863c88e58e347fc8282001a2b9e3330918.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1120
- C:\Users\Admin\AppData\Local\Temp\62bc8624b6ed645ddbe1420ca67376863c88e58e347fc8282001a2b9e3330918.exe
  "C:\Users\Admin\AppData\Local\Temp\62bc8624b6ed645ddbe1420ca67376863c88e58e347fc8282001a2b9e3330918.exe"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/1120-0-0x000000007473E000-0x000000007473F000-memory.dmp

Filesize
4KB

Download
memory/1120-1-0x0000000000AC0000-0x0000000000B56000-memory.dmp

Filesize
600KB

Download
memory/1120-2-0x0000000074730000-0x0000000074E1E000-memory.dmp

Filesize
6.9MB

Download
memory/1120-3-0x0000000000530000-0x000000000053A000-memory.dmp

Filesize
40KB

Download
memory/1120-4-0x000000007473E000-0x000000007473F000-memory.dmp

Filesize
4KB

Download
memory/1120-5-0x0000000074730000-0x0000000074E1E000-memory.dmp

Filesize
6.9MB

Download
memory/1120-6-0x00000000044D0000-0x0000000004540000-memory.dmp

Filesize
448KB

Download
memory/1120-23-0x0000000074730000-0x0000000074E1E000-memory.dmp

Filesize
6.9MB

Download
memory/2672-21-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2672-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2672-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2672-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2672-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2672-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2672-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2672-22-0x0000000074730000-0x0000000074E1E000-memory.dmp

Filesize
6.9MB

Download
memory/2672-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2672-24-0x0000000074730000-0x0000000074E1E000-memory.dmp

Filesize
6.9MB

Download
memory/2672-25-0x0000000074730000-0x0000000074E1E000-memory.dmp

Filesize
6.9MB

Download
memory/2672-26-0x0000000074730000-0x0000000074E1E000-memory.dmp

Filesize
6.9MB

Download
memory/2672-28-0x0000000074730000-0x0000000074E1E000-memory.dmp

Filesize
6.9MB

Download
memory/2672-29-0x0000000074730000-0x0000000074E1E000-memory.dmp

Filesize
6.9MB

Download