xloader | c9021f324797d22940569db1bdc9469709987d3f008c979c52a285f726332260

Analysis

max time kernel
146s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 20:30

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General

Target

$PLUGINSDIR/jljzzkpi.dll
Size

16KB
MD5

2e33ff375eac30535f98a7c72b438c60
SHA1

180f41f2c881accf775ec93bfd752be043d1b391
SHA256

d1f5b895b161b27f1451c7dcfd4e73cd76e738e6cfd944692defdd95b57a2ae3
SHA512

d18492db4786c8df36f09fa474a8d4825d0f192ce05bb36339db6ba9c30df18a1896f348b5df4bcc427e5870e65ed4551ca9032867c6a7966c98ce8874e3d356
SSDEEP

384:MKrMSejPKmlxZZvDtracQBiXZW97WEbuID:MkMdz/vDteBBiX8kSu

Score

10^/10

xloader wtcv discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

wtcv

Decoy

snowwisdom.com

metaverseforecast.com

mbc2digital.net

palmspringsgolfacademy.com

ff4cdhffx.xyz

webdailysports.com

alles-abgedeckt.com

dempseynutrition.com

egicsac.com

nutrioclinic.com

applebroog.industries

trup.club

937451.com

cococutiecosmetics.store

purwojati.com

qeefame.com

wbtqfuck.xyz

huazhansat.com

harada-insatsu.com

thankugreece.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/2760-4-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral3/memory/2760-9-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral3/memory/2708-17-0x00000000000D0000-0x00000000000F9000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2660 set thread context of 2760	2660	rundll32.exe	32
PID 2760 set thread context of 1196	2760	rundll32.exe	21
PID 2708 set thread context of 1196	2708	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2760	rundll32.exe
2760	rundll32.exe
2708	rundll32.exe
2708	rundll32.exe
2708	rundll32.exe
2708	rundll32.exe
2708	rundll32.exe
2708	rundll32.exe
2708	rundll32.exe
2708	rundll32.exe
2708	rundll32.exe
2708	rundll32.exe
2708	rundll32.exe
2708	rundll32.exe
2708	rundll32.exe
2708	rundll32.exe
2708	rundll32.exe
2708	rundll32.exe
2708	rundll32.exe
2708	rundll32.exe
2708	rundll32.exe
2708	rundll32.exe
2708	rundll32.exe
2708	rundll32.exe
2708	rundll32.exe
2708	rundll32.exe
2708	rundll32.exe
2708	rundll32.exe
2708	rundll32.exe
2708	rundll32.exe
2708	rundll32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2760	rundll32.exe
2760	rundll32.exe
2760	rundll32.exe
2708	rundll32.exe
2708	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2760	rundll32.exe
Token: SeDebugPrivilege	2708	rundll32.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1388 wrote to memory of 2660	1388	rundll32.exe	31
PID 1388 wrote to memory of 2660	1388	rundll32.exe	31
PID 1388 wrote to memory of 2660	1388	rundll32.exe	31
PID 1388 wrote to memory of 2660	1388	rundll32.exe	31
PID 1388 wrote to memory of 2660	1388	rundll32.exe	31
PID 1388 wrote to memory of 2660	1388	rundll32.exe	31
PID 1388 wrote to memory of 2660	1388	rundll32.exe	31
PID 2660 wrote to memory of 2760	2660	rundll32.exe	32
PID 2660 wrote to memory of 2760	2660	rundll32.exe	32
PID 2660 wrote to memory of 2760	2660	rundll32.exe	32
PID 2660 wrote to memory of 2760	2660	rundll32.exe	32
PID 2660 wrote to memory of 2760	2660	rundll32.exe	32
PID 2660 wrote to memory of 2760	2660	rundll32.exe	32
PID 2660 wrote to memory of 2760	2660	rundll32.exe	32
PID 2660 wrote to memory of 2760	2660	rundll32.exe	32
PID 2660 wrote to memory of 2760	2660	rundll32.exe	32
PID 2660 wrote to memory of 2760	2660	rundll32.exe	32
PID 1196 wrote to memory of 2708	1196	Explorer.EXE	33
PID 1196 wrote to memory of 2708	1196	Explorer.EXE	33
PID 1196 wrote to memory of 2708	1196	Explorer.EXE	33
PID 1196 wrote to memory of 2708	1196	Explorer.EXE	33
PID 1196 wrote to memory of 2708	1196	Explorer.EXE	33
PID 1196 wrote to memory of 2708	1196	Explorer.EXE	33
PID 1196 wrote to memory of 2708	1196	Explorer.EXE	33
PID 2708 wrote to memory of 2668	2708	rundll32.exe	34
PID 2708 wrote to memory of 2668	2708	rundll32.exe	34
PID 2708 wrote to memory of 2668	2708	rundll32.exe	34
PID 2708 wrote to memory of 2668	2708	rundll32.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\jljzzkpi.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1388
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\jljzzkpi.dll,#1
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2660
  - - C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\jljzzkpi.dll,#1
      4⤵
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:2760
- 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:2708
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\rundll32.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2668

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

Replay Monitor

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Downloads

memory/1196-11-0x00000000040E0000-0x00000000042E0000-memory.dmp

Filesize
2.0MB

Download
memory/1196-18-0x00000000065C0000-0x0000000006749000-memory.dmp

Filesize
1.5MB

Download
memory/1196-12-0x00000000065C0000-0x0000000006749000-memory.dmp

Filesize
1.5MB

Download
memory/2660-2-0x0000000074DE0000-0x0000000074DE9000-memory.dmp

Filesize
36KB

Download
memory/2660-0-0x0000000074DE0000-0x0000000074DE9000-memory.dmp

Filesize
36KB

Download
memory/2660-3-0x0000000074DD0000-0x0000000074DD9000-memory.dmp

Filesize
36KB

Download
memory/2660-5-0x0000000074DE0000-0x0000000074DE9000-memory.dmp

Filesize
36KB

Download
memory/2660-6-0x0000000074DD0000-0x0000000074DD9000-memory.dmp

Filesize
36KB

Download
memory/2660-1-0x0000000074DD0000-0x0000000074DD9000-memory.dmp

Filesize
36KB

Download
memory/2708-16-0x00000000007F0000-0x00000000007FE000-memory.dmp

Filesize
56KB

Download
memory/2708-14-0x00000000007F0000-0x00000000007FE000-memory.dmp

Filesize
56KB

Download
memory/2708-13-0x00000000007F0000-0x00000000007FE000-memory.dmp

Filesize
56KB

Download
memory/2708-17-0x00000000000D0000-0x00000000000F9000-memory.dmp

Filesize
164KB

Download
memory/2760-10-0x00000000001A0000-0x00000000001B1000-memory.dmp

Filesize
68KB

Download
memory/2760-9-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2760-7-0x0000000002330000-0x0000000002633000-memory.dmp

Filesize
3.0MB

Download
memory/2760-4-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download