xloader | 24a6937972322f9010713e46770c092835a064a4185a7ea6444054fde57e6c10

Analysis

max time kernel
147s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 20:15

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General

Target

$PLUGINSDIR/hvlovmp.dll
Size

4KB
MD5

326a702abb396435221880fd71450249
SHA1

62f5a8e24469859250a5630e5b9280b8472e5a56
SHA256

f936817179febc934e8fa271aac522f989e6a6b43ebf42a44588f71ecae79042
SHA512

3018fa492ecbba49350db3f93df5f20852a47dd363315704737b2abd9c70bf86cc74858572a267e7fb79f8590c064ebaa0024ac84b41fb7fb684a3c23f7da615

Score

10^/10

xloader 0pu8 discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

0pu8

Decoy

washyearwake.space

s-takata.com

sattadelhiborder47.xyz

watch-tbn.net

hklawns.com

schuylkillc.com

brightonbybench.xyz

treslrefinance.com

redwoodwomen.com

les4asdudekhockey.com

clarityandflow.coach

d-spor.online

1agiostratitis.com

ai-technology-online-ru.digital

eightstraps.com

qingus.com

it321.net

cryptochatr.com

swguangna.com

jax3.website

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/2456-2-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral3/memory/2456-5-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral3/memory/2860-13-0x0000000000090000-0x00000000000B9000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2352 set thread context of 2456	2352	rundll32.exe	31
PID 2456 set thread context of 1180	2456	rundll32.exe	21
PID 2860 set thread context of 1180	2860	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
2456	rundll32.exe
2456	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2456	rundll32.exe
2456	rundll32.exe
2456	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2456	rundll32.exe
Token: SeDebugPrivilege	2860	rundll32.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 2352	2856	rundll32.exe	30
PID 2856 wrote to memory of 2352	2856	rundll32.exe	30
PID 2856 wrote to memory of 2352	2856	rundll32.exe	30
PID 2856 wrote to memory of 2352	2856	rundll32.exe	30
PID 2856 wrote to memory of 2352	2856	rundll32.exe	30
PID 2856 wrote to memory of 2352	2856	rundll32.exe	30
PID 2856 wrote to memory of 2352	2856	rundll32.exe	30
PID 2352 wrote to memory of 2456	2352	rundll32.exe	31
PID 2352 wrote to memory of 2456	2352	rundll32.exe	31
PID 2352 wrote to memory of 2456	2352	rundll32.exe	31
PID 2352 wrote to memory of 2456	2352	rundll32.exe	31
PID 2352 wrote to memory of 2456	2352	rundll32.exe	31
PID 2352 wrote to memory of 2456	2352	rundll32.exe	31
PID 2352 wrote to memory of 2456	2352	rundll32.exe	31
PID 2352 wrote to memory of 2456	2352	rundll32.exe	31
PID 2352 wrote to memory of 2456	2352	rundll32.exe	31
PID 2352 wrote to memory of 2456	2352	rundll32.exe	31
PID 1180 wrote to memory of 2860	1180	Explorer.EXE	32
PID 1180 wrote to memory of 2860	1180	Explorer.EXE	32
PID 1180 wrote to memory of 2860	1180	Explorer.EXE	32
PID 1180 wrote to memory of 2860	1180	Explorer.EXE	32
PID 1180 wrote to memory of 2860	1180	Explorer.EXE	32
PID 1180 wrote to memory of 2860	1180	Explorer.EXE	32
PID 1180 wrote to memory of 2860	1180	Explorer.EXE	32
PID 2860 wrote to memory of 2920	2860	rundll32.exe	33
PID 2860 wrote to memory of 2920	2860	rundll32.exe	33
PID 2860 wrote to memory of 2920	2860	rundll32.exe	33
PID 2860 wrote to memory of 2920	2860	rundll32.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1180
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\hvlovmp.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2856
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\hvlovmp.dll,#1
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2352
  - - C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\hvlovmp.dll,#1
      4⤵
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:2456
- 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:2860
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\rundll32.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2920

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/1180-7-0x0000000003740000-0x0000000003840000-memory.dmp

Filesize
1024KB

Download
memory/1180-8-0x0000000003C80000-0x0000000003D5A000-memory.dmp

Filesize
872KB

Download
memory/1180-14-0x0000000003C80000-0x0000000003D5A000-memory.dmp

Filesize
872KB

Download
memory/2352-1-0x0000000000200000-0x0000000000240000-memory.dmp

Filesize
256KB

Download
memory/2456-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2456-3-0x00000000021D0000-0x00000000024D3000-memory.dmp

Filesize
3.0MB

Download
memory/2456-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2456-6-0x00000000001E0000-0x00000000001F1000-memory.dmp

Filesize
68KB

Download
memory/2860-10-0x0000000000DC0000-0x0000000000DCE000-memory.dmp

Filesize
56KB

Download
memory/2860-12-0x0000000000DC0000-0x0000000000DCE000-memory.dmp

Filesize
56KB

Download
memory/2860-9-0x0000000000DC0000-0x0000000000DCE000-memory.dmp

Filesize
56KB

Download
memory/2860-13-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download