modiloader | f8fc925d89baa140c9cb436f158ec91209789e9f8e82a0b7252f05587ce8e06f

Analysis

max time kernel
146s
max time network
150s
platform
windows7_x64
resource
win7-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
behavioral1/memory/1612-56-0x00000000001A0000-0x00000000001E8000-memory.dmp	modiloader_stage2

Xloader Payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/832-73-0x0000000072480000-0x00000000724AA000-memory.dmp	xloader
behavioral1/memory/1072-80-0x0000000000090000-0x00000000000B9000-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-1-5-21-2329389628-4064185017-3901522362-1000\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 832 set thread context of 1228	832	mobsync.exe	13
PID 1072 set thread context of 1228	1072	cmstp.exe	13

Modifies registry key 1 TTPs 3 IoCs

Modify Registry

T1112

pid	Process
980	reg.exe
1900	reg.exe
1040	reg.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
832	mobsync.exe
832	mobsync.exe
1072	cmstp.exe
1072	cmstp.exe
1072	cmstp.exe
1072	cmstp.exe
1072	cmstp.exe
1072	cmstp.exe
1072	cmstp.exe
1072	cmstp.exe
1072	cmstp.exe
1072	cmstp.exe
1072	cmstp.exe
1072	cmstp.exe
1072	cmstp.exe
1072	cmstp.exe
1072	cmstp.exe
1072	cmstp.exe
1072	cmstp.exe
1072	cmstp.exe
1072	cmstp.exe
1072	cmstp.exe
1072	cmstp.exe
1072	cmstp.exe
1072	cmstp.exe
1072	cmstp.exe
1072	cmstp.exe
1072	cmstp.exe
1072	cmstp.exe
1072	cmstp.exe
1072	cmstp.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1228	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
832	mobsync.exe
832	mobsync.exe
832	mobsync.exe
1072	cmstp.exe
1072	cmstp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	832	mobsync.exe
Token: SeDebugPrivilege	1072	cmstp.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1228	Explorer.EXE
1228	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1228	Explorer.EXE
1228	Explorer.EXE

Suspicious use of WriteProcessMemory 49 IoCs

description	pid	Process	procid_target
PID 1660 wrote to memory of 1612	1660	rundll32.exe	27
PID 1660 wrote to memory of 1612	1660	rundll32.exe	27
PID 1660 wrote to memory of 1612	1660	rundll32.exe	27
PID 1660 wrote to memory of 1612	1660	rundll32.exe	27
PID 1660 wrote to memory of 1612	1660	rundll32.exe	27
PID 1660 wrote to memory of 1612	1660	rundll32.exe	27
PID 1660 wrote to memory of 1612	1660	rundll32.exe	27
PID 1612 wrote to memory of 832	1612	rundll32.exe	28
PID 1612 wrote to memory of 832	1612	rundll32.exe	28
PID 1612 wrote to memory of 832	1612	rundll32.exe	28
PID 1612 wrote to memory of 832	1612	rundll32.exe	28
PID 1612 wrote to memory of 832	1612	rundll32.exe	28
PID 1612 wrote to memory of 832	1612	rundll32.exe	28
PID 1612 wrote to memory of 832	1612	rundll32.exe	28
PID 1612 wrote to memory of 268	1612	rundll32.exe	29
PID 1612 wrote to memory of 268	1612	rundll32.exe	29
PID 1612 wrote to memory of 268	1612	rundll32.exe	29
PID 1612 wrote to memory of 268	1612	rundll32.exe	29
PID 268 wrote to memory of 1036	268	cmd.exe	31
PID 268 wrote to memory of 1036	268	cmd.exe	31
PID 268 wrote to memory of 1036	268	cmd.exe	31
PID 268 wrote to memory of 1036	268	cmd.exe	31
PID 1036 wrote to memory of 980	1036	cmd.exe	33
PID 1036 wrote to memory of 980	1036	cmd.exe	33
PID 1036 wrote to memory of 980	1036	cmd.exe	33
PID 1036 wrote to memory of 980	1036	cmd.exe	33
PID 1036 wrote to memory of 1900	1036	cmd.exe	34
PID 1036 wrote to memory of 1900	1036	cmd.exe	34
PID 1036 wrote to memory of 1900	1036	cmd.exe	34
PID 1036 wrote to memory of 1900	1036	cmd.exe	34
PID 1036 wrote to memory of 1972	1036	cmd.exe	35
PID 1036 wrote to memory of 1972	1036	cmd.exe	35
PID 1036 wrote to memory of 1972	1036	cmd.exe	35
PID 1036 wrote to memory of 1972	1036	cmd.exe	35
PID 1228 wrote to memory of 1072	1228	Explorer.EXE	41
PID 1228 wrote to memory of 1072	1228	Explorer.EXE	41
PID 1228 wrote to memory of 1072	1228	Explorer.EXE	41
PID 1228 wrote to memory of 1072	1228	Explorer.EXE	41
PID 1228 wrote to memory of 1072	1228	Explorer.EXE	41
PID 1228 wrote to memory of 1072	1228	Explorer.EXE	41
PID 1228 wrote to memory of 1072	1228	Explorer.EXE	41
PID 1612 wrote to memory of 1548	1612	rundll32.exe	42
PID 1612 wrote to memory of 1548	1612	rundll32.exe	42
PID 1612 wrote to memory of 1548	1612	rundll32.exe	42
PID 1612 wrote to memory of 1548	1612	rundll32.exe	42
PID 1548 wrote to memory of 1040	1548	cmd.exe	44
PID 1548 wrote to memory of 1040	1548	cmd.exe	44
PID 1548 wrote to memory of 1040	1548	cmd.exe	44
PID 1548 wrote to memory of 1040	1548	cmd.exe	44

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1228
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8fc925d89baa140c9cb436f158ec91209789e9f8e82a0b7252f05587ce8e06f.bin.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1660
- - 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:1612
  - - C:\Windows\SysWOW64\mobsync.exe
      C:\Windows\System32\mobsync.exe
      4⤵
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:832
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Public\Trast.bat" "
      4⤵
      Suspicious use of WriteProcessMemory
      PID:268
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /K C:\Users\Public\UKO.bat
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1036
      - C:\Windows\SysWOW64\reg.exe
        
        reg delete hkcu\Environment /v windir /f
        6⤵
        Modifies registry key
        
        PID:980
      - 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:1900
      - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I
        6⤵
        
        PID:1972
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Public\nest.bat" "
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1548
    - - C:\Windows\SysWOW64\reg.exe
        
        reg delete hkcu\Environment /v windir /f
        5⤵
        Modifies registry key
        
        PID:1040
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1516
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:976
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:1872
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:396
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:820
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  PID:1072

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/832-67-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/832-75-0x0000000000230000-0x0000000000241000-memory.dmp

Filesize
68KB

Download
memory/832-60-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/832-59-0x0000000072480000-0x00000000724AA000-memory.dmp

Filesize
168KB

Download
memory/832-74-0x0000000001FA0000-0x00000000022A3000-memory.dmp

Filesize
3.0MB

Download
memory/832-73-0x0000000072480000-0x00000000724AA000-memory.dmp

Filesize
168KB

Download
memory/832-68-0x0000000072480000-0x00000000724AA000-memory.dmp

Filesize
168KB

Download
memory/1072-79-0x0000000000890000-0x00000000008A8000-memory.dmp

Filesize
96KB

Download
memory/1072-85-0x0000000000730000-0x00000000007C0000-memory.dmp

Filesize
576KB

Download
memory/1072-81-0x0000000001FD0000-0x00000000022D3000-memory.dmp

Filesize
3.0MB

Download
memory/1072-80-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/1228-86-0x0000000007310000-0x000000000744F000-memory.dmp

Filesize
1.2MB

Download
memory/1228-76-0x0000000006AC0000-0x0000000006BF4000-memory.dmp

Filesize
1.2MB

Download
memory/1612-56-0x00000000001A0000-0x00000000001E8000-memory.dmp

Filesize
288KB

Download
memory/1612-58-0x0000000072481000-0x00000000724A9000-memory.dmp

Filesize
160KB

Download
memory/1612-57-0x0000000072480000-0x0000000072481000-memory.dmp

Filesize
4KB

Download
memory/1612-55-0x00000000763F1000-0x00000000763F3000-memory.dmp

Filesize
8KB

Download