agenttesla | 0d7a4a69f12914329cbff3ca263858dac70c0b5afa1657806129e553fd9e246e

Analysis

max time kernel
140s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17/10/2024, 08:28

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General

Target

purchase order.exe
Size

1.1MB
MD5

153eee5e101ec857b140cca87f264d80
SHA1

e879c0ccbc0d7ed39cc91f9dd3ad9e89cf06594b
SHA256

0d7a4a69f12914329cbff3ca263858dac70c0b5afa1657806129e553fd9e246e
SHA512

0c16b298bf3220a3f39eded3727bb5b9a0a6cd5dbe41d6befdba9ad20b6979ff8fc9929282f41049e298c8f9e5e5dcf207f4a8915f755286b8c2d7674b8ce68d
SSDEEP

24576:ffmMv6Ckr7Mny5QLki/z3093nfJQuXYXxLEnG:f3v+7/5QLj/g9fJQ9Bf

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-1-5-21-2878641211-696417878-3864914810-1000\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
22	api.ipify.org
23	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 948 set thread context of 3676	948	purchase order.exe	87

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	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	purchase order.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3676	RegSvcs.exe
3676	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
948	purchase order.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3676	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
948	purchase order.exe
948	purchase order.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
948	purchase order.exe
948	purchase order.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3676	RegSvcs.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 948 wrote to memory of 3676	948	purchase order.exe	87
PID 948 wrote to memory of 3676	948	purchase order.exe	87
PID 948 wrote to memory of 3676	948	purchase order.exe	87
PID 948 wrote to memory of 3676	948	purchase order.exe	87

C:\Users\Admin\AppData\Local\Temp\purchase order.exe
"C:\Users\Admin\AppData\Local\Temp\purchase order.exe"
1⤵
- 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:948
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\purchase order.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:3676

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/948-2-0x00000000044B0000-0x00000000048B0000-memory.dmp

Filesize
4.0MB

Download
memory/3676-3-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3676-4-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

Filesize
4KB

Download
memory/3676-5-0x0000000005CC0000-0x0000000006264000-memory.dmp

Filesize
5.6MB

Download
memory/3676-6-0x0000000005810000-0x0000000005876000-memory.dmp

Filesize
408KB

Download
memory/3676-7-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/3676-9-0x0000000006C50000-0x0000000006CA0000-memory.dmp

Filesize
320KB

Download
memory/3676-10-0x0000000006D40000-0x0000000006DD2000-memory.dmp

Filesize
584KB

Download
memory/3676-11-0x0000000006EF0000-0x0000000006EFA000-memory.dmp

Filesize
40KB

Download
memory/3676-12-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

Filesize
4KB

Download
memory/3676-13-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download