xloader | 6bf22d3dad8fea65c751f514871c6cd2913727cbb700ebcfed482f0dcb04e639

General

Target

ORDER#710665_PDF.exe
Size

227KB
MD5

e3f8392aa03280bb36a3dc058e44fca5
SHA1

2f7efa75f8c1d791007a006bd820a2f735b7fb22
SHA256

cc0e5224224cd1137d4cdff798462d06a7e5e39e97858aac2ecc3c27b5c30b42
SHA512

5323da860079bf60e6f96dc6a99f2d50e086279b9563d1c5173ed3d17a02fbffa304be01c5f31e20c35e1d18c2891d00dda888cdaf54aae9e5c29b5381856faa
SSDEEP

6144:PUd4OmBdYEOOTIPm1+F0lwq/xBQe+UKy9q:CNsvOxPmsWlwq5togq

Score

10^/10

xloader usvr loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

usvr

Decoy

theblockmeatstore.com

drone-moment.com

srsfashionbd.com

kylayagerartwork.com

instagrams.tools

rosenwealth.com

indicraftsvilla.com

rswizard.com

irist.one

pubgclaimx14.com

thegeorgiahomefinder.com

unusualdog.com

kifayatikart.com

methodunit.net

bavarian-luxury.com

17391000.com

ipcsaveday.com

yael-b.com

pasionqueconecta.com

youngsvideography.com

Signatures

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

Xloader payload 5 IoCs

rat

resource	yara_rule
behavioral1/memory/2900-2-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2900-6-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2900-11-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2652-20-0x0000000000090000-0x00000000000B8000-memory.dmp	xloader
behavioral1/memory/2652-22-0x0000000000090000-0x00000000000B8000-memory.dmp	xloader

Blocklisted process makes network request 1 IoCs

flow	pid	Process
10	2652	rundll32.exe

Deletes itself 1 IoCs

pid	Process
2516	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2920 set thread context of 2900	2920	ORDER#710665_PDF.exe	29
PID 2900 set thread context of 1100	2900	ORDER#710665_PDF.exe	20
PID 2900 set thread context of 1100	2900	ORDER#710665_PDF.exe	20
PID 2652 set thread context of 1100	2652	rundll32.exe	20

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2900	ORDER#710665_PDF.exe
2900	ORDER#710665_PDF.exe
2900	ORDER#710665_PDF.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2920	ORDER#710665_PDF.exe
2900	ORDER#710665_PDF.exe
2900	ORDER#710665_PDF.exe
2900	ORDER#710665_PDF.exe
2900	ORDER#710665_PDF.exe
2652	rundll32.exe
2652	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2900	ORDER#710665_PDF.exe
Token: SeDebugPrivilege	2652	rundll32.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2920 wrote to memory of 2900	2920	ORDER#710665_PDF.exe	29
PID 2920 wrote to memory of 2900	2920	ORDER#710665_PDF.exe	29
PID 2920 wrote to memory of 2900	2920	ORDER#710665_PDF.exe	29
PID 2920 wrote to memory of 2900	2920	ORDER#710665_PDF.exe	29
PID 2920 wrote to memory of 2900	2920	ORDER#710665_PDF.exe	29
PID 1100 wrote to memory of 2652	1100	Explorer.EXE	30
PID 1100 wrote to memory of 2652	1100	Explorer.EXE	30
PID 1100 wrote to memory of 2652	1100	Explorer.EXE	30
PID 1100 wrote to memory of 2652	1100	Explorer.EXE	30
PID 1100 wrote to memory of 2652	1100	Explorer.EXE	30
PID 1100 wrote to memory of 2652	1100	Explorer.EXE	30
PID 1100 wrote to memory of 2652	1100	Explorer.EXE	30
PID 2652 wrote to memory of 2516	2652	rundll32.exe	31
PID 2652 wrote to memory of 2516	2652	rundll32.exe	31
PID 2652 wrote to memory of 2516	2652	rundll32.exe	31
PID 2652 wrote to memory of 2516	2652	rundll32.exe	31

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1100
- C:\Users\Admin\AppData\Local\Temp\ORDER#710665_PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\ORDER#710665_PDF.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2920
- - C:\Users\Admin\AppData\Local\Temp\ORDER#710665_PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\ORDER#710665_PDF.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2900
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\SysWOW64\rundll32.exe"
  2⤵
  - Blocklisted process makes network request
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2652
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\ORDER#710665_PDF.exe"
    3⤵
    - Deletes itself
    PID:2516

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1100-8-0x0000000006670000-0x00000000067E8000-memory.dmp

Filesize
1.5MB

Download
memory/1100-33-0x0000000006D20000-0x0000000006E08000-memory.dmp

Filesize
928KB

Download
memory/1100-30-0x0000000006D20000-0x0000000006E08000-memory.dmp

Filesize
928KB

Download
memory/1100-28-0x0000000006D20000-0x0000000006E08000-memory.dmp

Filesize
928KB

Download
memory/1100-5-0x0000000002EE0000-0x0000000002FE0000-memory.dmp

Filesize
1024KB

Download
memory/1100-26-0x0000000005160000-0x0000000005235000-memory.dmp

Filesize
852KB

Download
memory/1100-13-0x0000000005160000-0x0000000005235000-memory.dmp

Filesize
852KB

Download
memory/2652-23-0x0000000000980000-0x0000000000A0F000-memory.dmp

Filesize
572KB

Download
memory/2652-20-0x0000000000090000-0x00000000000B8000-memory.dmp

Filesize
160KB

Download
memory/2652-22-0x0000000000090000-0x00000000000B8000-memory.dmp

Filesize
160KB

Download
memory/2652-21-0x00000000024A0000-0x00000000027A3000-memory.dmp

Filesize
3.0MB

Download
memory/2652-15-0x0000000000F00000-0x0000000000F0E000-memory.dmp

Filesize
56KB

Download
memory/2652-17-0x0000000000F00000-0x0000000000F0E000-memory.dmp

Filesize
56KB

Download
memory/2652-19-0x0000000000F00000-0x0000000000F0E000-memory.dmp

Filesize
56KB

Download
memory/2900-7-0x00000000003A0000-0x00000000003B0000-memory.dmp

Filesize
64KB

Download
memory/2900-11-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2900-12-0x00000000003F0000-0x0000000000400000-memory.dmp

Filesize
64KB

Download
memory/2900-6-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2900-3-0x0000000000950000-0x0000000000C53000-memory.dmp

Filesize
3.0MB

Download
memory/2900-2-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2920-0-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2920-1-0x0000000000280000-0x0000000000282000-memory.dmp

Filesize
8KB

Download

Analysis

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