modiloader | f8fc925d89baa140c9cb436f158ec91209789e9f8e82a0b7252f05587ce8e06f

Analysis

max time kernel
152s
max time network
150s
platform
windows10_x64
resource
win10-en-20211208
submitted
11-01-2022 16:21

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General

Target

f8fc925d89baa140c9cb436f158ec91209789e9f8e82a0b7252f05587ce8e06f.bin.dll
Size

269KB
MD5

2a4b62f495027dfb6f7549ca7ed7f47b
SHA1

47f6c5aea3b9724f143125f97bf9e8b72faf1a38
SHA256

f8fc925d89baa140c9cb436f158ec91209789e9f8e82a0b7252f05587ce8e06f
SHA512

cc56c0448a138eca87a7fdce1cef67932ff868ea31ead0e342d3f265f92f4b9f91023d3fc01f7123149be469ccbaa2f2fdef950f9336557956ef10b4f36e4f9f

Score

10^/10

modiloader xloader n8rn loader persistence rat suricata trojan

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

n8rn

Decoy

jlvip1066.com

gconsultingfirm.com

foundergomwef.xyz

bredaslo.com

ethereumpets.com

buddymerrillmusic.com

archdeylemmergay.com

particulares-es.icu

gb2022-club.com

babypasal.com

mlikew.com

mskindi.com

securewalletvalidate.com

billstrasse24.com

ritebet388.com

nuhive.net

nekomediphile.com

jaynelsonphotog.com

writerpilotpublishing.store

taquerialoteria.com

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

ModiLoader Second Stage 1 IoCs

resource	yara_rule
behavioral2/memory/3408-119-0x00000000040C0000-0x0000000004108000-memory.dmp	modiloader_stage2

Xloader Payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/4092-133-0x0000000072480000-0x00000000724AA000-memory.dmp	xloader
behavioral2/memory/4376-138-0x00000000027A0000-0x00000000027C9000-memory.dmp	xloader

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-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows\CurrentVersion\Run\Wbjhzk = "C:\\Users\\Public\\Libraries\\\\kzhjbW.url"	rundll32.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4092 set thread context of 396	4092	DpiScaling.exe	9
PID 4376 set thread context of 396	4376	mstsc.exe	9

Modifies registry key 1 TTPs 3 IoCs

Modify Registry

T1112

pid	Process
4312	reg.exe
4260	reg.exe
784	reg.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
4092	DpiScaling.exe
4092	DpiScaling.exe
4092	DpiScaling.exe
4092	DpiScaling.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe
4376	mstsc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
396	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4092	DpiScaling.exe
4092	DpiScaling.exe
4092	DpiScaling.exe
4376	mstsc.exe
4376	mstsc.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4092	DpiScaling.exe
Token: SeDebugPrivilege	4376	mstsc.exe
Token: SeShutdownPrivilege	396	Explorer.EXE
Token: SeCreatePagefilePrivilege	396	Explorer.EXE
Token: SeShutdownPrivilege	396	Explorer.EXE
Token: SeCreatePagefilePrivilege	396	Explorer.EXE

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3436 wrote to memory of 3408	3436	rundll32.exe	69
PID 3436 wrote to memory of 3408	3436	rundll32.exe	69
PID 3436 wrote to memory of 3408	3436	rundll32.exe	69
PID 3408 wrote to memory of 4092	3408	rundll32.exe	70
PID 3408 wrote to memory of 4092	3408	rundll32.exe	70
PID 3408 wrote to memory of 4092	3408	rundll32.exe	70
PID 3408 wrote to memory of 4092	3408	rundll32.exe	70
PID 3408 wrote to memory of 4092	3408	rundll32.exe	70
PID 3408 wrote to memory of 4092	3408	rundll32.exe	70
PID 3408 wrote to memory of 3148	3408	rundll32.exe	71
PID 3408 wrote to memory of 3148	3408	rundll32.exe	71
PID 3408 wrote to memory of 3148	3408	rundll32.exe	71
PID 3148 wrote to memory of 4040	3148	cmd.exe	73
PID 3148 wrote to memory of 4040	3148	cmd.exe	73
PID 3148 wrote to memory of 4040	3148	cmd.exe	73
PID 4040 wrote to memory of 4312	4040	cmd.exe	75
PID 4040 wrote to memory of 4312	4040	cmd.exe	75
PID 4040 wrote to memory of 4312	4040	cmd.exe	75
PID 4040 wrote to memory of 4260	4040	cmd.exe	76
PID 4040 wrote to memory of 4260	4040	cmd.exe	76
PID 4040 wrote to memory of 4260	4040	cmd.exe	76
PID 4040 wrote to memory of 4232	4040	cmd.exe	77
PID 4040 wrote to memory of 4232	4040	cmd.exe	77
PID 4040 wrote to memory of 4232	4040	cmd.exe	77
PID 396 wrote to memory of 4376	396	Explorer.EXE	78
PID 396 wrote to memory of 4376	396	Explorer.EXE	78
PID 396 wrote to memory of 4376	396	Explorer.EXE	78
PID 3408 wrote to memory of 4352	3408	rundll32.exe	79
PID 3408 wrote to memory of 4352	3408	rundll32.exe	79
PID 3408 wrote to memory of 4352	3408	rundll32.exe	79
PID 4352 wrote to memory of 784	4352	cmd.exe	81
PID 4352 wrote to memory of 784	4352	cmd.exe	81
PID 4352 wrote to memory of 784	4352	cmd.exe	81

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:396
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8fc925d89baa140c9cb436f158ec91209789e9f8e82a0b7252f05587ce8e06f.bin.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3436
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8fc925d89baa140c9cb436f158ec91209789e9f8e82a0b7252f05587ce8e06f.bin.dll,#1
    3⤵
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:3408
  - - C:\Windows\SysWOW64\DpiScaling.exe
      C:\Windows\System32\DpiScaling.exe
      4⤵
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:4092
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Trast.bat" "
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3148
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /K C:\Users\Public\UKO.bat
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:4040
      - C:\Windows\SysWOW64\reg.exe
        
        reg delete hkcu\Environment /v windir /f
        6⤵
        Modifies registry key
        
        PID:4312
      - C:\Windows\SysWOW64\reg.exe
        
        reg add hkcu\Environment /v windir /d "cmd /c start /min C:\Users\Public\KDECO.bat reg delete hkcu\Environment /v windir /f && REM "
        6⤵
        Modifies registry key
        
        PID:4260
      - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I
        6⤵
        
        PID:4232
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Public\nest.bat" "
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4352
    - - C:\Windows\SysWOW64\reg.exe
        
        reg delete hkcu\Environment /v windir /f
        5⤵
        Modifies registry key
        
        PID:784
- C:\Windows\SysWOW64\mstsc.exe
  "C:\Windows\SysWOW64\mstsc.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  PID:4376

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/396-135-0x0000000006380000-0x0000000006528000-memory.dmp

Filesize
1.7MB

Download
memory/396-144-0x0000000006000000-0x0000000006158000-memory.dmp

Filesize
1.3MB

Download
memory/3408-121-0x0000000072481000-0x00000000724A9000-memory.dmp

Filesize
160KB

Download
memory/3408-120-0x0000000072480000-0x0000000072481000-memory.dmp

Filesize
4KB

Download
memory/3408-119-0x00000000040C0000-0x0000000004108000-memory.dmp

Filesize
288KB

Download
memory/4092-127-0x0000000000600000-0x0000000000601000-memory.dmp

Filesize
4KB

Download
memory/4092-132-0x00000000044B0000-0x00000000047D0000-memory.dmp

Filesize
3.1MB

Download
memory/4092-131-0x0000000072480000-0x00000000724AA000-memory.dmp

Filesize
168KB

Download
memory/4092-133-0x0000000072480000-0x00000000724AA000-memory.dmp

Filesize
168KB

Download
memory/4092-134-0x0000000000B60000-0x0000000000B71000-memory.dmp

Filesize
68KB

Download
memory/4376-138-0x00000000027A0000-0x00000000027C9000-memory.dmp

Filesize
164KB

Download
memory/4376-137-0x0000000000080000-0x000000000037C000-memory.dmp

Filesize
3.0MB

Download
memory/4376-139-0x0000000004680000-0x00000000049A0000-memory.dmp

Filesize
3.1MB

Download
memory/4376-143-0x00000000044E0000-0x0000000004570000-memory.dmp

Filesize
576KB

Download