agenttesla | 73bb0fd57e60136b66a20f263be257e47e5821d87212759208d50d97a6202ce8

Analysis

max time kernel
90s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-09-2024 19:18

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General

Target

DEKONT.exe
Size

99KB
MD5

7f1f15a85427da202d74198b1cd039d9
SHA1

ca883d37cb9e51c1b2cbeb8ab7a398f4f95df187
SHA256

44fa04f2cb49eb5ee3d7c3d3dfafa2a53137f6e1dc8edf4b6c21d6c7af487e06
SHA512

14a9658d4658aac38b18b6a2c6eb5be6c631099965b15dda7d0ae5aefb96093afc4c885cce7747da2fc9ad8e1ca8581a7a4d7bec838ea4cb23ca990108d94590
SSDEEP

1536:dTuLU6Ez6NhN4ahmbtbJRmYUaNuquK630VD1:dT96Ez6Nz4ahmBV9UaNDEEVD1

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.zqamcx.com
Port:
587
Username:
[email protected]
Password:
Anambraeast@
Email To:
[email protected]

Signatures

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

Looks up external IP address via web service 1 IoCs

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

flow	ioc
18	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4324 set thread context of 1836	4324	DEKONT.exe	84

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	DEKONT.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1836	RegAsm.exe
1836	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4324	DEKONT.exe
Token: SeDebugPrivilege	1836	RegAsm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1836	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4324 wrote to memory of 1836	4324	DEKONT.exe	84
PID 4324 wrote to memory of 1836	4324	DEKONT.exe	84
PID 4324 wrote to memory of 1836	4324	DEKONT.exe	84
PID 4324 wrote to memory of 1836	4324	DEKONT.exe	84
PID 4324 wrote to memory of 1836	4324	DEKONT.exe	84
PID 4324 wrote to memory of 1836	4324	DEKONT.exe	84
PID 4324 wrote to memory of 1836	4324	DEKONT.exe	84
PID 4324 wrote to memory of 1836	4324	DEKONT.exe	84

C:\Users\Admin\AppData\Local\Temp\DEKONT.exe
"C:\Users\Admin\AppData\Local\Temp\DEKONT.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4324
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1836

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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1836-7-0x0000000005BF0000-0x0000000006194000-memory.dmp

Filesize
5.6MB

Download
memory/1836-3-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1836-6-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/1836-9-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/1836-8-0x0000000005820000-0x0000000005886000-memory.dmp

Filesize
408KB

Download
memory/1836-10-0x0000000006970000-0x0000000006A02000-memory.dmp

Filesize
584KB

Download
memory/1836-11-0x0000000006A10000-0x0000000006A60000-memory.dmp

Filesize
320KB

Download
memory/1836-12-0x0000000006BE0000-0x0000000006BEA000-memory.dmp

Filesize
40KB

Download
memory/1836-13-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/4324-1-0x0000000000490000-0x00000000004B0000-memory.dmp

Filesize
128KB

Download
memory/4324-2-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/4324-5-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/4324-0-0x0000000074D7E000-0x0000000074D7F000-memory.dmp

Filesize
4KB

Download