agenttesla | 3cd37c50b5c492be85099995d20dbeeaa806fd14794317fdea52fb515cda0ba7

General

Target

3cd37c50b5c492be85099995d20dbeeaa806fd14794317fdea52fb515cda0ba7.exe
Size

1.4MB
MD5

5bd43bca9f37dc01690005a956311211
SHA1

6e3b46e9fa922cea0ed1d02389032a0600f0e4f6
SHA256

3cd37c50b5c492be85099995d20dbeeaa806fd14794317fdea52fb515cda0ba7
SHA512

ba30e2315ddbd4f3760b315c0b69cb0a09d5bf50b6499ced4d64fb27f185c267d58aeeb50669bb5b335f505447a641b3f06d31f1c2a30d4e54f50ff85d560d21
SSDEEP

24576:aqDEvCTbMWu7rQYlBQcBiT6rprG8aQswTAQNpRzgqyHta1lkVPQwOGyUyAc:aTvC/MTQYxsWR7aQVTAQXRjyNVPFByA

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
2748	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
4	api.ipify.org
7	api.ipify.org

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x0007000000023cae-5.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2748 set thread context of 3888	2748	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	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3cd37c50b5c492be85099995d20dbeeaa806fd14794317fdea52fb515cda0ba7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ageless.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3888	RegSvcs.exe
3888	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2748	ageless.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3888	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
632	3cd37c50b5c492be85099995d20dbeeaa806fd14794317fdea52fb515cda0ba7.exe
632	3cd37c50b5c492be85099995d20dbeeaa806fd14794317fdea52fb515cda0ba7.exe
2748	ageless.exe
2748	ageless.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
632	3cd37c50b5c492be85099995d20dbeeaa806fd14794317fdea52fb515cda0ba7.exe
632	3cd37c50b5c492be85099995d20dbeeaa806fd14794317fdea52fb515cda0ba7.exe
2748	ageless.exe
2748	ageless.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3888	RegSvcs.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 632 wrote to memory of 2748	632	3cd37c50b5c492be85099995d20dbeeaa806fd14794317fdea52fb515cda0ba7.exe	83
PID 632 wrote to memory of 2748	632	3cd37c50b5c492be85099995d20dbeeaa806fd14794317fdea52fb515cda0ba7.exe	83
PID 632 wrote to memory of 2748	632	3cd37c50b5c492be85099995d20dbeeaa806fd14794317fdea52fb515cda0ba7.exe	83
PID 2748 wrote to memory of 3888	2748	ageless.exe	84
PID 2748 wrote to memory of 3888	2748	ageless.exe	84
PID 2748 wrote to memory of 3888	2748	ageless.exe	84
PID 2748 wrote to memory of 3888	2748	ageless.exe	84

C:\Users\Admin\AppData\Local\Temp\3cd37c50b5c492be85099995d20dbeeaa806fd14794317fdea52fb515cda0ba7.exe
"C:\Users\Admin\AppData\Local\Temp\3cd37c50b5c492be85099995d20dbeeaa806fd14794317fdea52fb515cda0ba7.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:632
- C:\Users\Admin\AppData\Local\supergroup\ageless.exe
  "C:\Users\Admin\AppData\Local\Temp\3cd37c50b5c492be85099995d20dbeeaa806fd14794317fdea52fb515cda0ba7.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:2748
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\3cd37c50b5c492be85099995d20dbeeaa806fd14794317fdea52fb515cda0ba7.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:3888

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
5bd43bca9f37dc01690005a956311211

SHA1
6e3b46e9fa922cea0ed1d02389032a0600f0e4f6

SHA256
3cd37c50b5c492be85099995d20dbeeaa806fd14794317fdea52fb515cda0ba7

SHA512
ba30e2315ddbd4f3760b315c0b69cb0a09d5bf50b6499ced4d64fb27f185c267d58aeeb50669bb5b335f505447a641b3f06d31f1c2a30d4e54f50ff85d560d21

Download Submit
memory/632-2-0x0000000001300000-0x0000000001700000-memory.dmp

Filesize
4.0MB

Download
memory/2748-10-0x00000000015C0000-0x00000000019C0000-memory.dmp

Filesize
4.0MB

Download
memory/3888-14-0x00000000057F0000-0x0000000005D94000-memory.dmp

Filesize
5.6MB

Download
memory/3888-13-0x00000000754EE000-0x00000000754EF000-memory.dmp

Filesize
4KB

Download
memory/3888-12-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3888-15-0x00000000052B0000-0x0000000005316000-memory.dmp

Filesize
408KB

Download
memory/3888-16-0x00000000754E0000-0x0000000075C90000-memory.dmp

Filesize
7.7MB

Download
memory/3888-17-0x00000000754EE000-0x00000000754EF000-memory.dmp

Filesize
4KB

Download
memory/3888-18-0x00000000754E0000-0x0000000075C90000-memory.dmp

Filesize
7.7MB

Download
memory/3888-19-0x00000000066F0000-0x0000000006740000-memory.dmp

Filesize
320KB

Download
memory/3888-20-0x00000000067E0000-0x0000000006872000-memory.dmp

Filesize
584KB

Download
memory/3888-21-0x0000000006970000-0x000000000697A000-memory.dmp

Filesize
40KB

Download

Analysis

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