xloader | 7dd8ab4b5aad43b6571ac2b5f543dbf23aef7847ae4eb395340808ea11a5f9b0

Analysis

max time kernel
148s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11-08-2024 09:01

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General

Target

P.O-48452689535945.exe
Size

521KB
MD5

579c372392d600a9ef621ae4c1f7341a
SHA1

e4fb160d99727aa5ffee784c9a5f52f6581704ee
SHA256

f564f410274ccf48d4513984d1da95edefa874a555f5e7d95fae7f9cc1f46b6b
SHA512

1c744f5d9b4bb04e0ed84bc66ad6a4970e2ff18da28a4c2b9910683821c6fe43ad585e22c56fbb26e1c0db547c7e58d432ffb9c1186da81b47c7f13e7335755f
SSDEEP

6144:0uq2lrmbYS9j7tCiyEKAm63z9EZgVY+RQbwesfqFi/mpZ5bjf9VAZUUryjzbi:0WCbYQjoiuM3J0CyFzxVAZnreXi

Score

10^/10

xloader h3qo discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

h3qo

Decoy

dhflow.com

jyindex.com

ezcleanhandle.com

trungtamcongdong.online

simsprotectionagency.com

easylivemeet.com

blackvikingfashionhouse.com

52banxue.com

girlsinit.com

drhemo.com

freethefarmers.com

velvetrosephotography.com

geometricbotaniclas.com

skyandspirit.com

deltacomunicacao.com

mucademy.com

jaboilfieldsolutions.net

howtowinatblackjacknow.com

anytimegrowth.com

simranluthra.com

Signatures

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

Beds Protector Packer 1 IoCs

Detects Beds Protector packer used to load .NET malware.

resource	yara_rule
behavioral2/memory/3364-4-0x0000000004FD0000-0x000000000502E000-memory.dmp	beds_protector

Xloader payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/228-8-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/228-13-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/228-17-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/1040-22-0x0000000000760000-0x0000000000789000-memory.dmp	xloader

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3364 set thread context of 228	3364	P.O-48452689535945.exe	85
PID 228 set thread context of 3524	228	P.O-48452689535945.exe	56
PID 228 set thread context of 3524	228	P.O-48452689535945.exe	56
PID 1040 set thread context of 3524	1040	chkdsk.exe	56

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	chkdsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	P.O-48452689535945.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
228	P.O-48452689535945.exe
228	P.O-48452689535945.exe
228	P.O-48452689535945.exe
228	P.O-48452689535945.exe
228	P.O-48452689535945.exe
228	P.O-48452689535945.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe
1040	chkdsk.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
228	P.O-48452689535945.exe
228	P.O-48452689535945.exe
228	P.O-48452689535945.exe
228	P.O-48452689535945.exe
1040	chkdsk.exe
1040	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	228	P.O-48452689535945.exe
Token: SeDebugPrivilege	1040	chkdsk.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3524	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3364 wrote to memory of 228	3364	P.O-48452689535945.exe	85
PID 3364 wrote to memory of 228	3364	P.O-48452689535945.exe	85
PID 3364 wrote to memory of 228	3364	P.O-48452689535945.exe	85
PID 3364 wrote to memory of 228	3364	P.O-48452689535945.exe	85
PID 3364 wrote to memory of 228	3364	P.O-48452689535945.exe	85
PID 3364 wrote to memory of 228	3364	P.O-48452689535945.exe	85
PID 3524 wrote to memory of 1040	3524	Explorer.EXE	92
PID 3524 wrote to memory of 1040	3524	Explorer.EXE	92
PID 3524 wrote to memory of 1040	3524	Explorer.EXE	92
PID 1040 wrote to memory of 2088	1040	chkdsk.exe	94
PID 1040 wrote to memory of 2088	1040	chkdsk.exe	94
PID 1040 wrote to memory of 2088	1040	chkdsk.exe	94

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3524
- C:\Users\Admin\AppData\Local\Temp\P.O-48452689535945.exe
  "C:\Users\Admin\AppData\Local\Temp\P.O-48452689535945.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3364
- - C:\Users\Admin\AppData\Local\Temp\P.O-48452689535945.exe
    "C:\Users\Admin\AppData\Local\Temp\P.O-48452689535945.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:228
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1040
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\P.O-48452689535945.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2088

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

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/228-8-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/228-17-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/228-18-0x0000000003170000-0x0000000003180000-memory.dmp

Filesize
64KB

Download
memory/228-13-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/228-14-0x0000000001350000-0x0000000001360000-memory.dmp

Filesize
64KB

Download
memory/228-11-0x0000000001540000-0x000000000188A000-memory.dmp

Filesize
3.3MB

Download
memory/1040-21-0x0000000000AC0000-0x0000000000ACA000-memory.dmp

Filesize
40KB

Download
memory/1040-20-0x0000000000AC0000-0x0000000000ACA000-memory.dmp

Filesize
40KB

Download
memory/1040-22-0x0000000000760000-0x0000000000789000-memory.dmp

Filesize
164KB

Download
memory/3364-4-0x0000000004FD0000-0x000000000502E000-memory.dmp

Filesize
376KB

Download
memory/3364-6-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/3364-7-0x0000000005050000-0x0000000005066000-memory.dmp

Filesize
88KB

Download
memory/3364-3-0x0000000005070000-0x0000000005102000-memory.dmp

Filesize
584KB

Download
memory/3364-5-0x00000000051B0000-0x000000000524C000-memory.dmp

Filesize
624KB

Download
memory/3364-0-0x0000000074D1E000-0x0000000074D1F000-memory.dmp

Filesize
4KB

Download
memory/3364-2-0x0000000005620000-0x0000000005BC4000-memory.dmp

Filesize
5.6MB

Download
memory/3364-1-0x00000000005C0000-0x0000000000648000-memory.dmp

Filesize
544KB

Download
memory/3364-10-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/3524-19-0x00000000089A0000-0x0000000008ADA000-memory.dmp

Filesize
1.2MB

Download
memory/3524-15-0x0000000008740000-0x00000000088C6000-memory.dmp

Filesize
1.5MB

Download
memory/3524-23-0x0000000008740000-0x00000000088C6000-memory.dmp

Filesize
1.5MB

Download
memory/3524-25-0x00000000089A0000-0x0000000008ADA000-memory.dmp

Filesize
1.2MB

Download
memory/3524-27-0x0000000008C20000-0x0000000008D31000-memory.dmp

Filesize
1.1MB

Download
memory/3524-28-0x0000000008C20000-0x0000000008D31000-memory.dmp

Filesize
1.1MB

Download
memory/3524-32-0x0000000008C20000-0x0000000008D31000-memory.dmp

Filesize
1.1MB

Download