agenttesla | c21070e515ca67d88bfad101dc8de0aad3215cd230c52c86f67ad9e43013ec20

General

Target

grace.exe
Size

1.1MB
MD5

5d9b61884878c545b2b1eeaa65cc1f9e
SHA1

f8506a932236da131306db729a6089107887e223
SHA256

c21070e515ca67d88bfad101dc8de0aad3215cd230c52c86f67ad9e43013ec20
SHA512

bf06d70aabdc39f482fb255293eddf56bd0d7d446c9b5ace911f59adde87b39c66e76df23c504af5a617dd83c40ca5634d75900055c6568e6464bb9a95a9e59f
SSDEEP

24576:ffmMv6Ckr7Mny5QLpSQAMKaeNKoh9rZevIaH:f3v+7/5QLpXAy2KYeHH

Score

10^/10

agenttesla discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
techniqueqatar.com
Port:
587
Username:
[email protected]
Password:
TechFB2023$$$

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
techniqueqatar.com
Port:
587
Username:
[email protected]
Password:
TechFB2023$$$
Email To:
[email protected]

Signatures

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

Drops startup file 1 IoCs

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

Executes dropped EXE 1 IoCs

pid	Process
1100	atule.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\aWUFv = "C:\\Users\\Admin\\AppData\\Roaming\\aWUFv\\aWUFv.exe"	RegSvcs.exe

Looks up external IP address via web service 3 IoCs

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

flow	ioc
18	api.ipify.org
19	api.ipify.org
20	ip-api.com

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x00070000000233dc-5.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1100 set thread context of 2964	1100	atule.exe	84

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	grace.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	atule.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2964	RegSvcs.exe
2964	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1100	atule.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2964	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2964	RegSvcs.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 1100	1960	grace.exe	83
PID 1960 wrote to memory of 1100	1960	grace.exe	83
PID 1960 wrote to memory of 1100	1960	grace.exe	83
PID 1100 wrote to memory of 2964	1100	atule.exe	84
PID 1100 wrote to memory of 2964	1100	atule.exe	84
PID 1100 wrote to memory of 2964	1100	atule.exe	84
PID 1100 wrote to memory of 2964	1100	atule.exe	84

C:\Users\Admin\AppData\Local\Temp\grace.exe
"C:\Users\Admin\AppData\Local\Temp\grace.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1960
- C:\Users\Admin\AppData\Local\Hegeleos\atule.exe
  "C:\Users\Admin\AppData\Local\Temp\grace.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1100
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\grace.exe"
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2964

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Hegeleos\atule.exe

Filesize
1.1MB

MD5
5d9b61884878c545b2b1eeaa65cc1f9e

SHA1
f8506a932236da131306db729a6089107887e223

SHA256
c21070e515ca67d88bfad101dc8de0aad3215cd230c52c86f67ad9e43013ec20

SHA512
bf06d70aabdc39f482fb255293eddf56bd0d7d446c9b5ace911f59adde87b39c66e76df23c504af5a617dd83c40ca5634d75900055c6568e6464bb9a95a9e59f

Download Submit
memory/1100-10-0x0000000003C10000-0x0000000003E10000-memory.dmp

Filesize
2.0MB

Download
memory/1960-2-0x0000000003C20000-0x0000000003E20000-memory.dmp

Filesize
2.0MB

Download
memory/2964-14-0x0000000005B10000-0x00000000060B4000-memory.dmp

Filesize
5.6MB

Download
memory/2964-13-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

Filesize
4KB

Download
memory/2964-12-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2964-15-0x0000000005490000-0x00000000054F6000-memory.dmp

Filesize
408KB

Download
memory/2964-16-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download
memory/2964-17-0x00000000068E0000-0x0000000006972000-memory.dmp

Filesize
584KB

Download
memory/2964-20-0x0000000006980000-0x00000000069D0000-memory.dmp

Filesize
320KB

Download
memory/2964-21-0x0000000006A70000-0x0000000006B0C000-memory.dmp

Filesize
624KB

Download
memory/2964-22-0x0000000006A10000-0x0000000006A1A000-memory.dmp

Filesize
40KB

Download
memory/2964-23-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

Filesize
4KB

Download
memory/2964-24-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads