agenttesla | 8f979f812f0eba57cae2be575a30bf0622265a594c59ccae90f651fb4ebe25a6

General

Target

8f979f812f0eba57cae2be575a30bf0622265a594c59ccae90f651fb4ebe25a6.exe
Size

1.4MB
MD5

7aa4201258e61a128b633b887c1f9a5e
SHA1

a550b9095dda1247af6071285428c5e870b60f0e
SHA256

8f979f812f0eba57cae2be575a30bf0622265a594c59ccae90f651fb4ebe25a6
SHA512

192c19c597b372a0ca5f01d9d5dfe8ae14bbc59ac6f41185246e4c2a8a44f04954a270727d619dc7d95d3439ee4fa1bcc49aa1b35765683870fd94d7100f8616
SSDEEP

24576:CqDEvCTbMWu7rQYlBQcBiT6rprG8aol3MIcAa2ERu8JpcnbJr:CTvC/MTQYxsWR7aoLZDMCJ

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.stilbo.eu
Port:
587
Username:
[email protected]
Password:
StilBO_#1
Email To:
[email protected]

Signatures

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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ageless.vbs	ageless.exe

Executes dropped EXE 1 IoCs

pid	Process
3400	ageless.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
10	api.ipify.org
11	api.ipify.org

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x000a000000023b54-5.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3400 set thread context of 3944	3400	ageless.exe	84

System Location Discovery: System Language Discovery 1 TTPs 3 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	8f979f812f0eba57cae2be575a30bf0622265a594c59ccae90f651fb4ebe25a6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ageless.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3944	RegSvcs.exe
3944	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3400	ageless.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3944	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
3040	8f979f812f0eba57cae2be575a30bf0622265a594c59ccae90f651fb4ebe25a6.exe
3040	8f979f812f0eba57cae2be575a30bf0622265a594c59ccae90f651fb4ebe25a6.exe
3400	ageless.exe
3400	ageless.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
3040	8f979f812f0eba57cae2be575a30bf0622265a594c59ccae90f651fb4ebe25a6.exe
3040	8f979f812f0eba57cae2be575a30bf0622265a594c59ccae90f651fb4ebe25a6.exe
3400	ageless.exe
3400	ageless.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3944	RegSvcs.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 3400	3040	8f979f812f0eba57cae2be575a30bf0622265a594c59ccae90f651fb4ebe25a6.exe	83
PID 3040 wrote to memory of 3400	3040	8f979f812f0eba57cae2be575a30bf0622265a594c59ccae90f651fb4ebe25a6.exe	83
PID 3040 wrote to memory of 3400	3040	8f979f812f0eba57cae2be575a30bf0622265a594c59ccae90f651fb4ebe25a6.exe	83
PID 3400 wrote to memory of 3944	3400	ageless.exe	84
PID 3400 wrote to memory of 3944	3400	ageless.exe	84
PID 3400 wrote to memory of 3944	3400	ageless.exe	84
PID 3400 wrote to memory of 3944	3400	ageless.exe	84

C:\Users\Admin\AppData\Local\Temp\8f979f812f0eba57cae2be575a30bf0622265a594c59ccae90f651fb4ebe25a6.exe
"C:\Users\Admin\AppData\Local\Temp\8f979f812f0eba57cae2be575a30bf0622265a594c59ccae90f651fb4ebe25a6.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3040
- C:\Users\Admin\AppData\Local\supergroup\ageless.exe
  "C:\Users\Admin\AppData\Local\Temp\8f979f812f0eba57cae2be575a30bf0622265a594c59ccae90f651fb4ebe25a6.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:3400
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\8f979f812f0eba57cae2be575a30bf0622265a594c59ccae90f651fb4ebe25a6.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:3944

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\supergroup\ageless.exe

Filesize
1.4MB

MD5
7aa4201258e61a128b633b887c1f9a5e

SHA1
a550b9095dda1247af6071285428c5e870b60f0e

SHA256
8f979f812f0eba57cae2be575a30bf0622265a594c59ccae90f651fb4ebe25a6

SHA512
192c19c597b372a0ca5f01d9d5dfe8ae14bbc59ac6f41185246e4c2a8a44f04954a270727d619dc7d95d3439ee4fa1bcc49aa1b35765683870fd94d7100f8616

Download Submit
memory/3040-2-0x0000000001560000-0x0000000001960000-memory.dmp

Filesize
4.0MB

Download
memory/3400-10-0x0000000000E60000-0x0000000001260000-memory.dmp

Filesize
4.0MB

Download
memory/3944-14-0x0000000005CE0000-0x0000000006284000-memory.dmp

Filesize
5.6MB

Download
memory/3944-13-0x000000007550E000-0x000000007550F000-memory.dmp

Filesize
4KB

Download
memory/3944-12-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3944-15-0x0000000005930000-0x0000000005996000-memory.dmp

Filesize
408KB

Download
memory/3944-16-0x0000000075500000-0x0000000075CB0000-memory.dmp

Filesize
7.7MB

Download
memory/3944-17-0x0000000006C30000-0x0000000006C80000-memory.dmp

Filesize
320KB

Download
memory/3944-18-0x0000000006D20000-0x0000000006DB2000-memory.dmp

Filesize
584KB

Download
memory/3944-19-0x0000000006EC0000-0x0000000006ECA000-memory.dmp

Filesize
40KB

Download
memory/3944-20-0x000000007550E000-0x000000007550F000-memory.dmp

Filesize
4KB

Download
memory/3944-21-0x0000000075500000-0x0000000075CB0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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