xloader | 1a19b9c49caf3ee9854210702dda640989e1f589a86af8802b42ea85eb837e9e

Analysis

max time kernel
147s
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 20:34

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General

Target

DC Viet Nam Order list 6-25-21.exe
Size

264KB
MD5

e1df9b8f6170bc4241edffd642949901
SHA1

261767a7e271d39393619109d1310f04dfba5b41
SHA256

8b225e713429dd95fed7fe2af260d9076d627279fc86d152baedd973f0b72304
SHA512

ce8101ebf096555be8e6cd02d261ae9a244978e91247291528d4cc49689cf5f1760f54672cfb5dd5648ac0a6c8956011faa4faf2bc63a06bc402cfdc9c74f23a
SSDEEP

6144:rTqjFeDgN8f9QQbj67yFKvyiUmSw87aplOTCMCNY8r0lkssE3plf:fZg4qQb8FzUmS7ClOTCnJglWE3

Score

10^/10

xloader s4h4 discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

s4h4

Decoy

v65mwh.com

ofertasempresariais.com

apoteklowamedika.com

shopblvdhair.com

jtcameraftp.com

vimlark.com

wamodo.com

mistersvisuals.com

copterapps.com

jamesebraxton.com

darmarcasepatentes.com

texasroofrepairpros.com

okaycollective.net

rughouzz.com

dgzhileng.com

markstipsandtoes.com

globalgrowlights.com

thehustleandco.com

fdgrenewables.com

sweetsells.com

Signatures

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

Xloader payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2804-11-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2804-13-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2804-16-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2752-24-0x00000000000D0000-0x00000000000F9000-memory.dmp	xloader

Deletes itself 1 IoCs

pid	Process
1636	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
2296	DC Viet Nam Order list 6-25-21.exe
2296	DC Viet Nam Order list 6-25-21.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2296 set thread context of 2804	2296	DC Viet Nam Order list 6-25-21.exe	31
PID 2804 set thread context of 1256	2804	DC Viet Nam Order list 6-25-21.exe	21
PID 2804 set thread context of 1256	2804	DC Viet Nam Order list 6-25-21.exe	21
PID 2752 set thread context of 1256	2752	cmstp.exe	21

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DC Viet Nam Order list 6-25-21.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmstp.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2804	DC Viet Nam Order list 6-25-21.exe
2804	DC Viet Nam Order list 6-25-21.exe
2804	DC Viet Nam Order list 6-25-21.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2296	DC Viet Nam Order list 6-25-21.exe
2804	DC Viet Nam Order list 6-25-21.exe
2804	DC Viet Nam Order list 6-25-21.exe
2804	DC Viet Nam Order list 6-25-21.exe
2804	DC Viet Nam Order list 6-25-21.exe
2752	cmstp.exe
2752	cmstp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2804	DC Viet Nam Order list 6-25-21.exe
Token: SeDebugPrivilege	2752	cmstp.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 2804	2296	DC Viet Nam Order list 6-25-21.exe	31
PID 2296 wrote to memory of 2804	2296	DC Viet Nam Order list 6-25-21.exe	31
PID 2296 wrote to memory of 2804	2296	DC Viet Nam Order list 6-25-21.exe	31
PID 2296 wrote to memory of 2804	2296	DC Viet Nam Order list 6-25-21.exe	31
PID 2296 wrote to memory of 2804	2296	DC Viet Nam Order list 6-25-21.exe	31
PID 1256 wrote to memory of 2752	1256	Explorer.EXE	52
PID 1256 wrote to memory of 2752	1256	Explorer.EXE	52
PID 1256 wrote to memory of 2752	1256	Explorer.EXE	52
PID 1256 wrote to memory of 2752	1256	Explorer.EXE	52
PID 1256 wrote to memory of 2752	1256	Explorer.EXE	52
PID 1256 wrote to memory of 2752	1256	Explorer.EXE	52
PID 1256 wrote to memory of 2752	1256	Explorer.EXE	52
PID 2752 wrote to memory of 1636	2752	cmstp.exe	53
PID 2752 wrote to memory of 1636	2752	cmstp.exe	53
PID 2752 wrote to memory of 1636	2752	cmstp.exe	53
PID 2752 wrote to memory of 1636	2752	cmstp.exe	53

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1256
- C:\Users\Admin\AppData\Local\Temp\DC Viet Nam Order list 6-25-21.exe
  "C:\Users\Admin\AppData\Local\Temp\DC Viet Nam Order list 6-25-21.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2296
- - C:\Users\Admin\AppData\Local\Temp\DC Viet Nam Order list 6-25-21.exe
    "C:\Users\Admin\AppData\Local\Temp\DC Viet Nam Order list 6-25-21.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2804
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2784
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2756
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2768
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2600
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2764
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2716
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2744
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2632
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2692
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2776
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2580
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2588
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2596
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2636
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2656
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1300
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1696
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2108
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2628
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2068
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.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:2752
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\DC Viet Nam Order list 6-25-21.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:1636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nstEBD7.tmp\System.dll

Filesize
10KB

MD5
56a321bd011112ec5d8a32b2f6fd3231

SHA1
df20e3a35a1636de64df5290ae5e4e7572447f78

SHA256
bb6df93369b498eaa638b0bcdc4bb89f45e9b02ca12d28bcedf4629ea7f5e0f1

SHA512
5354890cbc53ce51081a78c64ba9c4c8c4dc9e01141798c1e916e19c5776dac7c82989fad0f08c73e81aaba332dad81205f90d0663119af45550b97b338b9cc3

Download Submit
memory/1256-14-0x0000000004710000-0x00000000047CF000-memory.dmp

Filesize
764KB

Download
memory/1256-17-0x0000000004710000-0x00000000047CF000-memory.dmp

Filesize
764KB

Download
memory/1256-18-0x0000000006740000-0x0000000006859000-memory.dmp

Filesize
1.1MB

Download
memory/1256-25-0x0000000006740000-0x0000000006859000-memory.dmp

Filesize
1.1MB

Download
memory/2752-21-0x0000000000750000-0x0000000000768000-memory.dmp

Filesize
96KB

Download
memory/2752-23-0x0000000000750000-0x0000000000768000-memory.dmp

Filesize
96KB

Download
memory/2752-24-0x00000000000D0000-0x00000000000F9000-memory.dmp

Filesize
164KB

Download
memory/2804-11-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2804-13-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2804-16-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download