modiloader | 65419d777e93745b9feeee9969ef2a1fbd0049f816bda9053a96d2daedb5074e

Analysis

max time kernel
133s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
29/09/2023, 21:00

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General

Target

Nvpatlaeuyajct.exe
Size

1.2MB
MD5

ac13b0670c5faea5d76340f07cfb7d1c
SHA1

287b35cb07d9c474a92107a859bb96b1424d919f
SHA256

65419d777e93745b9feeee9969ef2a1fbd0049f816bda9053a96d2daedb5074e
SHA512

07a4b13d462bdd7719ba5d978d1ba15265642746d9d53e7380434fb138e96539b663f2fa63965fcf842256c41654c1fb1ab85556162236ba849af652580700db
SSDEEP

24576:ORTaL+A2f8Zhp8bYm1EnyWjkf0eFuPD+4m:gTaKsh

Score

10^/10

modiloader persistence trojan

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader

ModiLoader Second Stage 1 IoCs

resource	yara_rule
behavioral2/memory/2204-1-0x0000000002990000-0x0000000003990000-memory.dmp	modiloader_stage2

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-1-5-21-2344688013-2965468717-2034126-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Nvpatlae = "C:\\Users\\Public\\Nvpatlae.url"	Nvpatlaeuyajct.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
752	2204	WerFault.exe	84

Script User-Agent 2 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	43	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	45	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2204	Nvpatlaeuyajct.exe
2204	Nvpatlaeuyajct.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2520	SndVol.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2520	SndVol.exe
2520	SndVol.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 2520	2204	Nvpatlaeuyajct.exe	95
PID 2204 wrote to memory of 2520	2204	Nvpatlaeuyajct.exe	95
PID 2204 wrote to memory of 2520	2204	Nvpatlaeuyajct.exe	95

C:\Users\Admin\AppData\Local\Temp\Nvpatlaeuyajct.exe
"C:\Users\Admin\AppData\Local\Temp\Nvpatlaeuyajct.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Windows\SysWOW64\SndVol.exe
  C:\Windows\System32\SndVol.exe
  2⤵
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:2520
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2204 -s 1528
  2⤵
  - Program crash
  PID:752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2204 -ip 2204
1⤵
PID:4552

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2204-0-0x0000000002350000-0x0000000002351000-memory.dmp

Filesize
4KB

Download
memory/2204-1-0x0000000002990000-0x0000000003990000-memory.dmp

Filesize
16.0MB

Download
memory/2204-3-0x0000000000400000-0x0000000000538000-memory.dmp

Filesize
1.2MB

Download