agenttesla | 5f9a7f6a183b3966e84173f3ea7fec1ed563e9cd08577d87d523d9f69f66eb8d

Analysis

max time kernel
103s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04-10-2024 01:32

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General

Target

5f9a7f6a183b3966e84173f3ea7fec1ed563e9cd08577d87d523d9f69f66eb8d.exe
Size

1.1MB
MD5

231e4c689b7b4a7b7ddd4aa4cefb8c25
SHA1

b0dc66891fdf5dd51524a9dd8a1272f34830d851
SHA256

5f9a7f6a183b3966e84173f3ea7fec1ed563e9cd08577d87d523d9f69f66eb8d
SHA512

6e3999f67085b1b5ef2600f4e041eaaa138e087e7d140d7e6e27b97e8915cfd8b131a136f708c67837ad430c51535f9b9c769b9acca4c300a93cd54048235131
SSDEEP

12288:ULkcoxg7v3qnC11ErwIhh0F4qwUgUny5QNrJqBgqbMADUCBEX0t+rYHWlcuoyFhv:KfmMv6Ckr7Mny5QtYSbJCiXeVZiGPxE

Score

10^/10

agenttesla discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.starmech.net
Port:
587
Username:
[email protected]
Password:
nics123
Email To:
[email protected]

Signatures

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

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\BjTxJte = "C:\\Users\\Admin\\AppData\\Roaming\\BjTxJte\\BjTxJte.exe"	RegSvcs.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
14	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1600 set thread context of 3028	1600	5f9a7f6a183b3966e84173f3ea7fec1ed563e9cd08577d87d523d9f69f66eb8d.exe	82

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 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	5f9a7f6a183b3966e84173f3ea7fec1ed563e9cd08577d87d523d9f69f66eb8d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3028	RegSvcs.exe
3028	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1600	5f9a7f6a183b3966e84173f3ea7fec1ed563e9cd08577d87d523d9f69f66eb8d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3028	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3028	RegSvcs.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 3028	1600	5f9a7f6a183b3966e84173f3ea7fec1ed563e9cd08577d87d523d9f69f66eb8d.exe	82
PID 1600 wrote to memory of 3028	1600	5f9a7f6a183b3966e84173f3ea7fec1ed563e9cd08577d87d523d9f69f66eb8d.exe	82
PID 1600 wrote to memory of 3028	1600	5f9a7f6a183b3966e84173f3ea7fec1ed563e9cd08577d87d523d9f69f66eb8d.exe	82
PID 1600 wrote to memory of 3028	1600	5f9a7f6a183b3966e84173f3ea7fec1ed563e9cd08577d87d523d9f69f66eb8d.exe	82

C:\Users\Admin\AppData\Local\Temp\5f9a7f6a183b3966e84173f3ea7fec1ed563e9cd08577d87d523d9f69f66eb8d.exe
"C:\Users\Admin\AppData\Local\Temp\5f9a7f6a183b3966e84173f3ea7fec1ed563e9cd08577d87d523d9f69f66eb8d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1600
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\5f9a7f6a183b3966e84173f3ea7fec1ed563e9cd08577d87d523d9f69f66eb8d.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3028

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1600-2-0x00000000042A0000-0x00000000046A0000-memory.dmp

Filesize
4.0MB

Download
memory/3028-3-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3028-4-0x000000007544E000-0x000000007544F000-memory.dmp

Filesize
4KB

Download
memory/3028-5-0x0000000005E10000-0x00000000063B4000-memory.dmp

Filesize
5.6MB

Download
memory/3028-6-0x0000000005960000-0x00000000059C6000-memory.dmp

Filesize
408KB

Download
memory/3028-7-0x0000000075440000-0x0000000075BF0000-memory.dmp

Filesize
7.7MB

Download
memory/3028-9-0x0000000006D90000-0x0000000006DE0000-memory.dmp

Filesize
320KB

Download
memory/3028-10-0x0000000006E80000-0x0000000006F12000-memory.dmp

Filesize
584KB

Download
memory/3028-11-0x0000000007030000-0x000000000703A000-memory.dmp

Filesize
40KB

Download
memory/3028-12-0x000000007544E000-0x000000007544F000-memory.dmp

Filesize
4KB

Download
memory/3028-13-0x0000000075440000-0x0000000075BF0000-memory.dmp

Filesize
7.7MB

Download