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 discovery 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 family
xloader

Xloader payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2900-2-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2900-4-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2824-11-0x0000000000080000-0x00000000000A8000-memory.dmp	xloader

Deletes itself 1 IoCs

pid	Process
2868	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2772 set thread context of 2900	2772	ORDER#710665_PDF.exe	31
PID 2900 set thread context of 1280	2900	ORDER#710665_PDF.exe	21
PID 2824 set thread context of 1280	2824	NETSTAT.EXE	21

System Location Discovery: System Language Discovery 1 TTPs 3 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	ORDER#710665_PDF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NETSTAT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2824	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2900	ORDER#710665_PDF.exe
2900	ORDER#710665_PDF.exe
2824	NETSTAT.EXE
2824	NETSTAT.EXE
2824	NETSTAT.EXE
2824	NETSTAT.EXE
2824	NETSTAT.EXE
2824	NETSTAT.EXE
2824	NETSTAT.EXE
2824	NETSTAT.EXE
2824	NETSTAT.EXE
2824	NETSTAT.EXE
2824	NETSTAT.EXE
2824	NETSTAT.EXE
2824	NETSTAT.EXE
2824	NETSTAT.EXE
2824	NETSTAT.EXE
2824	NETSTAT.EXE
2824	NETSTAT.EXE
2824	NETSTAT.EXE
2824	NETSTAT.EXE
2824	NETSTAT.EXE
2824	NETSTAT.EXE
2824	NETSTAT.EXE
2824	NETSTAT.EXE
2824	NETSTAT.EXE
2824	NETSTAT.EXE
2824	NETSTAT.EXE
2824	NETSTAT.EXE
2824	NETSTAT.EXE
2824	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2772	ORDER#710665_PDF.exe
2900	ORDER#710665_PDF.exe
2900	ORDER#710665_PDF.exe
2900	ORDER#710665_PDF.exe
2824	NETSTAT.EXE
2824	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2900	ORDER#710665_PDF.exe
Token: SeDebugPrivilege	2824	NETSTAT.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2772 wrote to memory of 2900	2772	ORDER#710665_PDF.exe	31
PID 2772 wrote to memory of 2900	2772	ORDER#710665_PDF.exe	31
PID 2772 wrote to memory of 2900	2772	ORDER#710665_PDF.exe	31
PID 2772 wrote to memory of 2900	2772	ORDER#710665_PDF.exe	31
PID 2772 wrote to memory of 2900	2772	ORDER#710665_PDF.exe	31
PID 1280 wrote to memory of 2824	1280	Explorer.EXE	32
PID 1280 wrote to memory of 2824	1280	Explorer.EXE	32
PID 1280 wrote to memory of 2824	1280	Explorer.EXE	32
PID 1280 wrote to memory of 2824	1280	Explorer.EXE	32
PID 2824 wrote to memory of 2868	2824	NETSTAT.EXE	33
PID 2824 wrote to memory of 2868	2824	NETSTAT.EXE	33
PID 2824 wrote to memory of 2868	2824	NETSTAT.EXE	33
PID 2824 wrote to memory of 2868	2824	NETSTAT.EXE	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1280
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2772
- - 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\NETSTAT.EXE
  "C:\Windows\SysWOW64\NETSTAT.EXE"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2824
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\ORDER#710665_PDF.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2868

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1280-12-0x0000000006BB0000-0x0000000006D03000-memory.dmp

Filesize
1.3MB

Download
memory/1280-20-0x0000000007190000-0x00000000072D6000-memory.dmp

Filesize
1.3MB

Download
memory/1280-18-0x0000000007190000-0x00000000072D6000-memory.dmp

Filesize
1.3MB

Download
memory/1280-5-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1280-6-0x0000000006BB0000-0x0000000006D03000-memory.dmp

Filesize
1.3MB

Download
memory/1280-17-0x0000000007190000-0x00000000072D6000-memory.dmp

Filesize
1.3MB

Download
memory/2772-1-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2772-0-0x0000000000403000-0x0000000000404000-memory.dmp

Filesize
4KB

Download
memory/2824-9-0x0000000000410000-0x0000000000419000-memory.dmp

Filesize
36KB

Download
memory/2824-11-0x0000000000080000-0x00000000000A8000-memory.dmp

Filesize
160KB

Download
memory/2824-10-0x0000000000410000-0x0000000000419000-memory.dmp

Filesize
36KB

Download
memory/2900-4-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

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

Filesize
160KB

Download

Analysis

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