agenttesla | 50f47ffbad8c8fd86fcd6e91e1b13d36ffc59e8b461be8e0c4639e2df6c47930

General

Target

SHIPPING DOCUMENTS#JAN25.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
1996	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
15	api.ipify.org
16	api.ipify.org

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x0007000000023c6f-5.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1996 set thread context of 4416	1996	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	SHIPPING DOCUMENTS#JAN25.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ageless.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
3372	SHIPPING DOCUMENTS#JAN25.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4416	RegSvcs.exe
4416	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1996	ageless.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4416	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
3372	SHIPPING DOCUMENTS#JAN25.exe
3372	SHIPPING DOCUMENTS#JAN25.exe
1996	ageless.exe
1996	ageless.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
3372	SHIPPING DOCUMENTS#JAN25.exe
3372	SHIPPING DOCUMENTS#JAN25.exe
1996	ageless.exe
1996	ageless.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4416	RegSvcs.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3372 wrote to memory of 1996	3372	SHIPPING DOCUMENTS#JAN25.exe	83
PID 3372 wrote to memory of 1996	3372	SHIPPING DOCUMENTS#JAN25.exe	83
PID 3372 wrote to memory of 1996	3372	SHIPPING DOCUMENTS#JAN25.exe	83
PID 1996 wrote to memory of 4416	1996	ageless.exe	84
PID 1996 wrote to memory of 4416	1996	ageless.exe	84
PID 1996 wrote to memory of 4416	1996	ageless.exe	84
PID 1996 wrote to memory of 4416	1996	ageless.exe	84

C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS#JAN25.exe
"C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS#JAN25.exe"
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3372
- C:\Users\Admin\AppData\Local\supergroup\ageless.exe
  "C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS#JAN25.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:1996
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS#JAN25.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:4416

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

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

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/1996-10-0x00000000015E0000-0x00000000019E0000-memory.dmp

Filesize
4.0MB

Download
memory/3372-2-0x00000000019A0000-0x0000000001DA0000-memory.dmp

Filesize
4.0MB

Download
memory/4416-14-0x0000000005A90000-0x0000000006034000-memory.dmp

Filesize
5.6MB

Download
memory/4416-13-0x00000000748FE000-0x00000000748FF000-memory.dmp

Filesize
4KB

Download
memory/4416-12-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4416-15-0x0000000005650000-0x00000000056B6000-memory.dmp

Filesize
408KB

Download
memory/4416-16-0x00000000748F0000-0x00000000750A0000-memory.dmp

Filesize
7.7MB

Download
memory/4416-17-0x0000000006BA0000-0x0000000006BF0000-memory.dmp

Filesize
320KB

Download
memory/4416-18-0x0000000006C90000-0x0000000006D22000-memory.dmp

Filesize
584KB

Download
memory/4416-19-0x0000000006E20000-0x0000000006E2A000-memory.dmp

Filesize
40KB

Download
memory/4416-20-0x00000000748FE000-0x00000000748FF000-memory.dmp

Filesize
4KB

Download
memory/4416-21-0x00000000748F0000-0x00000000750A0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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