agenttesla | 2c9caf997f04e5e500275f4660f1a9d629db8a8496629955afa159a614c5f74b

General

Target

New Order Pdf.exe
Size

459KB
MD5

9d6aa04e5da966fdb8ebb93dfdd6550e
SHA1

e41e80eb1a16f2744411fc2a04da21b887c2aa02
SHA256

2c9caf997f04e5e500275f4660f1a9d629db8a8496629955afa159a614c5f74b
SHA512

278205a5cf6c806747fc1372a5cdbc3e3aa8f1384a030ad89e08ba9e91e4a40688dba501269b8e67dca43cb224a1b427d8122b9f8629a7e5d97ca9f89bd4f8eb

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.rajalakshmi.co.in
Port:
587
Username:
[email protected]
Password:
009_DESign1*

Signatures

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

AgentTesla Payload 3 IoCs

resource	yara_rule
behavioral1/memory/1536-3-0x0000000000400000-0x00000000004B1000-memory.dmp	family_agenttesla
behavioral1/memory/1536-4-0x00000000005B0000-0x0000000000602000-memory.dmp	family_agenttesla
behavioral1/memory/1536-6-0x0000000000260000-0x00000000002AC000-memory.dmp	family_agenttesla

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1536-0-0x0000000000400000-0x00000000004B1000-memory.dmp	upx
behavioral1/memory/1536-2-0x0000000000400000-0x00000000004B1000-memory.dmp	upx
behavioral1/memory/1536-3-0x0000000000400000-0x00000000004B1000-memory.dmp	upx

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

Data from Local System
T1005

Credentials in Files
T1081
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

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\NewApp = "C:\\Users\\Admin\\AppData\\Roaming\\NewApp\\NewApp.exe"	New Order Pdf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1424 set thread context of 1536	1424	New Order Pdf.exe	24

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1424	New Order Pdf.exe
1536	New Order Pdf.exe
1536	New Order Pdf.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1424	New Order Pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1536	New Order Pdf.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1424 wrote to memory of 1536	1424	New Order Pdf.exe	24
PID 1424 wrote to memory of 1536	1424	New Order Pdf.exe	24
PID 1424 wrote to memory of 1536	1424	New Order Pdf.exe	24
PID 1424 wrote to memory of 1536	1424	New Order Pdf.exe	24
PID 1536 wrote to memory of 1788	1536	New Order Pdf.exe	26
PID 1536 wrote to memory of 1788	1536	New Order Pdf.exe	26
PID 1536 wrote to memory of 1788	1536	New Order Pdf.exe	26
PID 1536 wrote to memory of 1788	1536	New Order Pdf.exe	26

C:\Users\Admin\AppData\Local\Temp\New Order Pdf.exe
"C:\Users\Admin\AppData\Local\Temp\New Order Pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1424
- C:\Users\Admin\AppData\Local\Temp\New Order Pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\New Order Pdf.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1536
- - C:\Windows\SysWOW64\netsh.exe
    "netsh" wlan show profile
    3⤵
    PID:1788

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1536-0-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/1536-2-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/1536-3-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/1536-4-0x00000000005B0000-0x0000000000602000-memory.dmp

Filesize
328KB

Download
memory/1536-5-0x0000000001FD2000-0x0000000001FD3000-memory.dmp

Filesize
4KB

Download
memory/1536-6-0x0000000000260000-0x00000000002AC000-memory.dmp

Filesize
304KB

Download

Analysis

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