xloader | b6d84072166800bd1d35ca9265107d6f26496c7375411ca818046c5a28dee9d9

Analysis

max time kernel
146s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-01-2025 19:43

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General

Target

$PLUGINSDIR/dzksq.dll
Size

39KB
MD5

52a665d244ddb5192b3494f4ca1bd978
SHA1

07bd3f140917cd3992e9b9ffc120c84af834472d
SHA256

63466cfda81d5da190e8d3198ccff849e7c651f472efd58d277add978a50f131
SHA512

c892de4792dd99d8d9eb3da0e42d80132bb613062cec56faa0429019ca3e8e32804e2d065f72cbc8c960000013e113753bcd15b836e4d19f147f37f2f12e5648
SSDEEP

384:+2dM1L9bVtSJ9X4qFTrtR1836QFlqIknaqRCz+7lFYbJ113yMfAuLF+8ay:+LFVtSJVFTJ7arFlRkBFY710uLF+8b

Score

10^/10

xloader mxnu discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

mxnu

Decoy

insightmyhome.com

gabriellamaxey.com

029atk.xyz

marshconstructions.com

technichoffghosts.com

blue-ivy-boutique-au.com

1sunsetgroup.com

elfkuhnispb.store

caoliudh.club

verifiedpaypal.net

jellyice-tr.com

gatescres.com

bloomberq.online

crystaltopagent.net

uggs-line.com

ecommerceplatform.xyz

historyofcambridge.com

sattaking-gaziabad.xyz

digisor.com

beachpawsmobilegrooming.com

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
Xloader family
xloader

Xloader payload 3 IoCs

rat

resource	yara_rule
behavioral3/memory/2772-1-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral3/memory/2772-4-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral3/memory/2696-11-0x00000000000D0000-0x00000000000F9000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2760 set thread context of 2772	2760	rundll32.exe	32
PID 2772 set thread context of 1188	2772	rundll32.exe	21
PID 2696 set thread context of 1188	2696	rundll32.exe	21

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2772	rundll32.exe
2772	rundll32.exe
2696	rundll32.exe
2696	rundll32.exe
2696	rundll32.exe
2696	rundll32.exe
2696	rundll32.exe
2696	rundll32.exe
2696	rundll32.exe
2696	rundll32.exe
2696	rundll32.exe
2696	rundll32.exe
2696	rundll32.exe
2696	rundll32.exe
2696	rundll32.exe
2696	rundll32.exe
2696	rundll32.exe
2696	rundll32.exe
2696	rundll32.exe
2696	rundll32.exe
2696	rundll32.exe
2696	rundll32.exe
2696	rundll32.exe
2696	rundll32.exe
2696	rundll32.exe
2696	rundll32.exe
2696	rundll32.exe
2696	rundll32.exe
2696	rundll32.exe
2696	rundll32.exe
2696	rundll32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2772	rundll32.exe
2772	rundll32.exe
2772	rundll32.exe
2696	rundll32.exe
2696	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2772	rundll32.exe
Token: SeDebugPrivilege	2696	rundll32.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 2760	3052	rundll32.exe	31
PID 3052 wrote to memory of 2760	3052	rundll32.exe	31
PID 3052 wrote to memory of 2760	3052	rundll32.exe	31
PID 3052 wrote to memory of 2760	3052	rundll32.exe	31
PID 3052 wrote to memory of 2760	3052	rundll32.exe	31
PID 3052 wrote to memory of 2760	3052	rundll32.exe	31
PID 3052 wrote to memory of 2760	3052	rundll32.exe	31
PID 2760 wrote to memory of 2772	2760	rundll32.exe	32
PID 2760 wrote to memory of 2772	2760	rundll32.exe	32
PID 2760 wrote to memory of 2772	2760	rundll32.exe	32
PID 2760 wrote to memory of 2772	2760	rundll32.exe	32
PID 2760 wrote to memory of 2772	2760	rundll32.exe	32
PID 2760 wrote to memory of 2772	2760	rundll32.exe	32
PID 2760 wrote to memory of 2772	2760	rundll32.exe	32
PID 2760 wrote to memory of 2772	2760	rundll32.exe	32
PID 2760 wrote to memory of 2772	2760	rundll32.exe	32
PID 2760 wrote to memory of 2772	2760	rundll32.exe	32
PID 1188 wrote to memory of 2696	1188	Explorer.EXE	33
PID 1188 wrote to memory of 2696	1188	Explorer.EXE	33
PID 1188 wrote to memory of 2696	1188	Explorer.EXE	33
PID 1188 wrote to memory of 2696	1188	Explorer.EXE	33
PID 1188 wrote to memory of 2696	1188	Explorer.EXE	33
PID 1188 wrote to memory of 2696	1188	Explorer.EXE	33
PID 1188 wrote to memory of 2696	1188	Explorer.EXE	33
PID 2696 wrote to memory of 2204	2696	rundll32.exe	34
PID 2696 wrote to memory of 2204	2696	rundll32.exe	34
PID 2696 wrote to memory of 2204	2696	rundll32.exe	34
PID 2696 wrote to memory of 2204	2696	rundll32.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\dzksq.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3052
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\dzksq.dll,#1
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2760
  - - C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\dzksq.dll,#1
      4⤵
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:2772
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\SysWOW64\rundll32.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2696
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\rundll32.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2204

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1188-6-0x00000000051F0000-0x00000000052BA000-memory.dmp

Filesize
808KB

Download
memory/1188-12-0x00000000051F0000-0x00000000052BA000-memory.dmp

Filesize
808KB

Download
memory/2696-10-0x00000000007D0000-0x00000000007DE000-memory.dmp

Filesize
56KB

Download
memory/2696-8-0x00000000007D0000-0x00000000007DE000-memory.dmp

Filesize
56KB

Download
memory/2696-7-0x00000000007D0000-0x00000000007DE000-memory.dmp

Filesize
56KB

Download
memory/2696-11-0x00000000000D0000-0x00000000000F9000-memory.dmp

Filesize
164KB

Download
memory/2760-0-0x0000000010009000-0x000000001000B000-memory.dmp

Filesize
8KB

Download
memory/2772-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2772-2-0x00000000021E0000-0x00000000024E3000-memory.dmp

Filesize
3.0MB

Download
memory/2772-5-0x0000000000240000-0x0000000000251000-memory.dmp

Filesize
68KB

Download
memory/2772-4-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download