agenttesla | dee3c4087720717e4b2590f19de81719853e018e1569f859c52d059d0acd074c

Analysis

max time kernel
149s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08-03-2024 01:47

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General

Target

Wunuxnati.exe
Size

914KB
MD5

cdb2ac8bb046df605de44deb2121f2ba
SHA1

e4ebee4d8e75a14efd9535c0e2efe9fda46f752e
SHA256

ad6972720f985e8adf12f0ac1a52f909c46abe8b0b19cc5be2f0bcc7b57fcc12
SHA512

fea11fbb6359887ad101cfb78e6e25e45296a89ff8785f09550a19a4263d04537f17751de94e8315cbb76293a40592aca547552b9dad5bd19c29bf100ca67e48
SSDEEP

24576:E/4pux527rDQYXV2J5GMeA+/6AHC+DRVReS:O402FlA+SAHVd

Score

10^/10

agenttesla zgrat keylogger persistence rat spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: ftp
Host:
ftp.3dmegastructures.com
Port:
21
Username:
[email protected]
Password:
Z%?D9bmCdCRb

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.3dmegastructures.com:21
Port:
21
Username:
[email protected]
Password:
Z%?D9bmCdCRb

Signatures

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

Detect ZGRat V1 34 IoCs

resource	yara_rule
behavioral2/memory/3012-2-0x0000000005880000-0x0000000005938000-memory.dmp	family_zgrat_v1
behavioral2/memory/3012-5-0x0000000005880000-0x0000000005933000-memory.dmp	family_zgrat_v1
behavioral2/memory/3012-6-0x0000000005880000-0x0000000005933000-memory.dmp	family_zgrat_v1
behavioral2/memory/3012-10-0x0000000005880000-0x0000000005933000-memory.dmp	family_zgrat_v1
behavioral2/memory/3012-12-0x0000000005880000-0x0000000005933000-memory.dmp	family_zgrat_v1
behavioral2/memory/3012-8-0x0000000005880000-0x0000000005933000-memory.dmp	family_zgrat_v1
behavioral2/memory/3012-14-0x0000000005880000-0x0000000005933000-memory.dmp	family_zgrat_v1
behavioral2/memory/3012-16-0x0000000005880000-0x0000000005933000-memory.dmp	family_zgrat_v1
behavioral2/memory/3012-18-0x0000000005880000-0x0000000005933000-memory.dmp	family_zgrat_v1
behavioral2/memory/3012-20-0x0000000005880000-0x0000000005933000-memory.dmp	family_zgrat_v1
behavioral2/memory/3012-30-0x0000000005880000-0x0000000005933000-memory.dmp	family_zgrat_v1
behavioral2/memory/3012-28-0x0000000005880000-0x0000000005933000-memory.dmp	family_zgrat_v1
behavioral2/memory/3012-34-0x0000000005880000-0x0000000005933000-memory.dmp	family_zgrat_v1
behavioral2/memory/3012-32-0x0000000005880000-0x0000000005933000-memory.dmp	family_zgrat_v1
behavioral2/memory/3012-26-0x0000000005880000-0x0000000005933000-memory.dmp	family_zgrat_v1
behavioral2/memory/3012-24-0x0000000005880000-0x0000000005933000-memory.dmp	family_zgrat_v1
behavioral2/memory/3012-22-0x0000000005880000-0x0000000005933000-memory.dmp	family_zgrat_v1
behavioral2/memory/3012-36-0x0000000005880000-0x0000000005933000-memory.dmp	family_zgrat_v1
behavioral2/memory/3012-38-0x0000000005880000-0x0000000005933000-memory.dmp	family_zgrat_v1
behavioral2/memory/3012-46-0x0000000005880000-0x0000000005933000-memory.dmp	family_zgrat_v1
behavioral2/memory/3012-50-0x0000000005880000-0x0000000005933000-memory.dmp	family_zgrat_v1
behavioral2/memory/3012-48-0x0000000005880000-0x0000000005933000-memory.dmp	family_zgrat_v1
behavioral2/memory/3012-52-0x0000000005880000-0x0000000005933000-memory.dmp	family_zgrat_v1
behavioral2/memory/3012-44-0x0000000005880000-0x0000000005933000-memory.dmp	family_zgrat_v1
behavioral2/memory/3012-54-0x0000000005880000-0x0000000005933000-memory.dmp	family_zgrat_v1
behavioral2/memory/3012-42-0x0000000005880000-0x0000000005933000-memory.dmp	family_zgrat_v1
behavioral2/memory/3012-40-0x0000000005880000-0x0000000005933000-memory.dmp	family_zgrat_v1
behavioral2/memory/3012-56-0x0000000005880000-0x0000000005933000-memory.dmp	family_zgrat_v1
behavioral2/memory/3012-58-0x0000000005880000-0x0000000005933000-memory.dmp	family_zgrat_v1
behavioral2/memory/3012-62-0x0000000005880000-0x0000000005933000-memory.dmp	family_zgrat_v1
behavioral2/memory/3012-60-0x0000000005880000-0x0000000005933000-memory.dmp	family_zgrat_v1
behavioral2/memory/3012-64-0x0000000005880000-0x0000000005933000-memory.dmp	family_zgrat_v1
behavioral2/memory/3012-66-0x0000000005880000-0x0000000005933000-memory.dmp	family_zgrat_v1
behavioral2/memory/3012-68-0x0000000005880000-0x0000000005933000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat
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 2 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

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Vgngx = "C:\\Users\\Admin\\AppData\\Roaming\\Vgngx.exe"	Wunuxnati.exe

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
40	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3012 set thread context of 2672	3012	Wunuxnati.exe	92

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2672	Wunuxnati.exe
2672	Wunuxnati.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3012	Wunuxnati.exe
Token: SeDebugPrivilege	2672	Wunuxnati.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2672	3012	Wunuxnati.exe	92
PID 3012 wrote to memory of 2672	3012	Wunuxnati.exe	92
PID 3012 wrote to memory of 2672	3012	Wunuxnati.exe	92
PID 3012 wrote to memory of 2672	3012	Wunuxnati.exe	92
PID 3012 wrote to memory of 2672	3012	Wunuxnati.exe	92
PID 3012 wrote to memory of 2672	3012	Wunuxnati.exe	92
PID 3012 wrote to memory of 2672	3012	Wunuxnati.exe	92
PID 3012 wrote to memory of 2672	3012	Wunuxnati.exe	92

C:\Users\Admin\AppData\Local\Temp\Wunuxnati.exe
"C:\Users\Admin\AppData\Local\Temp\Wunuxnati.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Users\Admin\AppData\Local\Temp\Wunuxnati.exe
  C:\Users\Admin\AppData\Local\Temp\Wunuxnati.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2672

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Wunuxnati.exe.log

Filesize
1KB

MD5
b3b3daebe9fafdfde1f7a2c832331167

SHA1
5603b8544b1558b27c2581b11c23dda16dd1865a

SHA256
94d1a08013bee7bf54c208d9fd1037041143f422832723071f7f6435fdc3c6ed

SHA512
4b439f2dd06404c9e514f111ab99ed502304bcd1a8d674819c380ad79ac2f9f83b78e835115f7c49d2629d0e5e1b82c36fe81d698c46fc2264238fe52c5af7cb

Download Submit
memory/2672-1129-0x0000000074E20000-0x00000000755D0000-memory.dmp

Filesize
7.7MB

Download
memory/2672-1130-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2672-1131-0x0000000005780000-0x0000000005790000-memory.dmp

Filesize
64KB

Download
memory/2672-1132-0x00000000058B0000-0x0000000005916000-memory.dmp

Filesize
408KB

Download
memory/2672-1138-0x0000000005780000-0x0000000005790000-memory.dmp

Filesize
64KB

Download
memory/2672-1137-0x0000000074E20000-0x00000000755D0000-memory.dmp

Filesize
7.7MB

Download
memory/2672-1136-0x0000000006F80000-0x0000000006F8A000-memory.dmp

Filesize
40KB

Download
memory/2672-1135-0x0000000007000000-0x0000000007092000-memory.dmp

Filesize
584KB

Download
memory/2672-1134-0x0000000006EC0000-0x0000000006F5C000-memory.dmp

Filesize
624KB

Download
memory/2672-1133-0x0000000006DD0000-0x0000000006E20000-memory.dmp

Filesize
320KB

Download
memory/3012-36-0x0000000005880000-0x0000000005933000-memory.dmp

Filesize
716KB

Download
memory/3012-44-0x0000000005880000-0x0000000005933000-memory.dmp

Filesize
716KB

Download
memory/3012-12-0x0000000005880000-0x0000000005933000-memory.dmp

Filesize
716KB

Download
memory/3012-8-0x0000000005880000-0x0000000005933000-memory.dmp

Filesize
716KB

Download
memory/3012-14-0x0000000005880000-0x0000000005933000-memory.dmp

Filesize
716KB

Download
memory/3012-16-0x0000000005880000-0x0000000005933000-memory.dmp

Filesize
716KB

Download
memory/3012-18-0x0000000005880000-0x0000000005933000-memory.dmp

Filesize
716KB

Download
memory/3012-20-0x0000000005880000-0x0000000005933000-memory.dmp

Filesize
716KB

Download
memory/3012-30-0x0000000005880000-0x0000000005933000-memory.dmp

Filesize
716KB

Download
memory/3012-28-0x0000000005880000-0x0000000005933000-memory.dmp

Filesize
716KB

Download
memory/3012-34-0x0000000005880000-0x0000000005933000-memory.dmp

Filesize
716KB

Download
memory/3012-32-0x0000000005880000-0x0000000005933000-memory.dmp

Filesize
716KB

Download
memory/3012-26-0x0000000005880000-0x0000000005933000-memory.dmp

Filesize
716KB

Download
memory/3012-24-0x0000000005880000-0x0000000005933000-memory.dmp

Filesize
716KB

Download
memory/3012-22-0x0000000005880000-0x0000000005933000-memory.dmp

Filesize
716KB

Download
memory/3012-6-0x0000000005880000-0x0000000005933000-memory.dmp

Filesize
716KB

Download
memory/3012-38-0x0000000005880000-0x0000000005933000-memory.dmp

Filesize
716KB

Download
memory/3012-46-0x0000000005880000-0x0000000005933000-memory.dmp

Filesize
716KB

Download
memory/3012-50-0x0000000005880000-0x0000000005933000-memory.dmp

Filesize
716KB

Download
memory/3012-48-0x0000000005880000-0x0000000005933000-memory.dmp

Filesize
716KB

Download
memory/3012-52-0x0000000005880000-0x0000000005933000-memory.dmp

Filesize
716KB

Download
memory/3012-10-0x0000000005880000-0x0000000005933000-memory.dmp

Filesize
716KB

Download
memory/3012-54-0x0000000005880000-0x0000000005933000-memory.dmp

Filesize
716KB

Download
memory/3012-42-0x0000000005880000-0x0000000005933000-memory.dmp

Filesize
716KB

Download
memory/3012-40-0x0000000005880000-0x0000000005933000-memory.dmp

Filesize
716KB

Download
memory/3012-56-0x0000000005880000-0x0000000005933000-memory.dmp

Filesize
716KB

Download
memory/3012-58-0x0000000005880000-0x0000000005933000-memory.dmp

Filesize
716KB

Download
memory/3012-62-0x0000000005880000-0x0000000005933000-memory.dmp

Filesize
716KB

Download
memory/3012-60-0x0000000005880000-0x0000000005933000-memory.dmp

Filesize
716KB

Download
memory/3012-64-0x0000000005880000-0x0000000005933000-memory.dmp

Filesize
716KB

Download
memory/3012-66-0x0000000005880000-0x0000000005933000-memory.dmp

Filesize
716KB

Download
memory/3012-68-0x0000000005880000-0x0000000005933000-memory.dmp

Filesize
716KB

Download
memory/3012-1119-0x0000000005870000-0x0000000005880000-memory.dmp

Filesize
64KB

Download
memory/3012-1120-0x00000000059F0000-0x00000000059F1000-memory.dmp

Filesize
4KB

Download
memory/3012-5-0x0000000005880000-0x0000000005933000-memory.dmp

Filesize
716KB

Download
memory/3012-4-0x0000000005AA0000-0x0000000005BAA000-memory.dmp

Filesize
1.0MB

Download
memory/3012-3-0x0000000005F60000-0x0000000006578000-memory.dmp

Filesize
6.1MB

Download
memory/3012-2-0x0000000005880000-0x0000000005938000-memory.dmp

Filesize
736KB

Download
memory/3012-1-0x0000000074E20000-0x00000000755D0000-memory.dmp

Filesize
7.7MB

Download
memory/3012-0-0x0000000000DE0000-0x0000000000ECA000-memory.dmp

Filesize
936KB

Download
memory/3012-1122-0x0000000005CC0000-0x0000000005D0C000-memory.dmp

Filesize
304KB

Download
memory/3012-1121-0x0000000005A40000-0x0000000005A82000-memory.dmp

Filesize
264KB

Download
memory/3012-1123-0x0000000006BA0000-0x0000000007144000-memory.dmp

Filesize
5.6MB

Download
memory/3012-1128-0x0000000074E20000-0x00000000755D0000-memory.dmp

Filesize
7.7MB

Download