xloader | 7bb7d09c6209c0fb8e92a3a86b39485325caaebdc6a7198cdb22543c5456afac

General

Target

form.exe
Size

230KB
MD5

6793fb6d53313bfb9cad49e99152c498
SHA1

9fafd6276cacfa7e4aa767535e205e185ed20c70
SHA256

269608be45a4ffa35845b89bb8a319e729cc3db898c2f4ed26017efe9a2d3bb0
SHA512

e8bb194b5e1bc773e1f26c6a31382b88b595eb0c6db0b498eac3b8167a5441e5eeab53eca3186cc3288c10ddb2879a70cc5402f7ebe9c1a42582955a8260cf6c
SSDEEP

6144:pXQT0WFCTFZrEFb6Qp2p8qGiaXMYlISFUB5U:pgT9Fu7EF+QwJaXllIS6B6

Score

10^/10

xloader vc6e discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

vc6e

Decoy

123lejeu.com

services-ti.com

iseekwithin.com

linkdbs.com

bibproductions.com

chaybo247.com

bondiblond.com

amandawilsonfamilylawyers.com

kbihualhamdaniyah.com

littletykesonline.com

circleofrepair.com

kingcartermusic.com

axqal2.com

dscfpro.xyz

cooltoysshop.com

enzocatering.com

skertyl.club

precommgateway.com

maddie-blake.com

malvinasargentina.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/2676-3-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2676-5-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2744-11-0x0000000000080000-0x00000000000A8000-memory.dmp	xloader

Deletes itself 1 IoCs

pid	Process
2832	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2756 set thread context of 2676	2756	form.exe	32
PID 2676 set thread context of 1180	2676	form.exe	21
PID 2744 set thread context of 1180	2744	raserver.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	form.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	raserver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2676	form.exe
2676	form.exe
2744	raserver.exe
2744	raserver.exe
2744	raserver.exe
2744	raserver.exe
2744	raserver.exe
2744	raserver.exe
2744	raserver.exe
2744	raserver.exe
2744	raserver.exe
2744	raserver.exe
2744	raserver.exe
2744	raserver.exe
2744	raserver.exe
2744	raserver.exe
2744	raserver.exe
2744	raserver.exe
2744	raserver.exe
2744	raserver.exe
2744	raserver.exe
2744	raserver.exe
2744	raserver.exe
2744	raserver.exe
2744	raserver.exe
2744	raserver.exe
2744	raserver.exe
2744	raserver.exe
2744	raserver.exe
2744	raserver.exe
2744	raserver.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2756	form.exe
2676	form.exe
2676	form.exe
2676	form.exe
2744	raserver.exe
2744	raserver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2676	form.exe
Token: SeDebugPrivilege	2744	raserver.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2676	2756	form.exe	32
PID 2756 wrote to memory of 2676	2756	form.exe	32
PID 2756 wrote to memory of 2676	2756	form.exe	32
PID 2756 wrote to memory of 2676	2756	form.exe	32
PID 2756 wrote to memory of 2676	2756	form.exe	32
PID 1180 wrote to memory of 2744	1180	Explorer.EXE	33
PID 1180 wrote to memory of 2744	1180	Explorer.EXE	33
PID 1180 wrote to memory of 2744	1180	Explorer.EXE	33
PID 1180 wrote to memory of 2744	1180	Explorer.EXE	33
PID 2744 wrote to memory of 2832	2744	raserver.exe	34
PID 2744 wrote to memory of 2832	2744	raserver.exe	34
PID 2744 wrote to memory of 2832	2744	raserver.exe	34
PID 2744 wrote to memory of 2832	2744	raserver.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1180
- C:\Users\Admin\AppData\Local\Temp\form.exe
  "C:\Users\Admin\AppData\Local\Temp\form.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2756
- - C:\Users\Admin\AppData\Local\Temp\form.exe
    "C:\Users\Admin\AppData\Local\Temp\form.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2676
- C:\Windows\SysWOW64\raserver.exe
  "C:\Windows\SysWOW64\raserver.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:2744
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\form.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/1180-6-0x0000000006DD0000-0x0000000006F15000-memory.dmp

Filesize
1.3MB

Download
memory/1180-12-0x0000000006DD0000-0x0000000006F15000-memory.dmp

Filesize
1.3MB

Download
memory/1180-17-0x0000000005520000-0x000000000560C000-memory.dmp

Filesize
944KB

Download
memory/1180-18-0x0000000005520000-0x000000000560C000-memory.dmp

Filesize
944KB

Download
memory/1180-20-0x0000000005520000-0x000000000560C000-memory.dmp

Filesize
944KB

Download
memory/2676-3-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2676-5-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2744-9-0x0000000000A80000-0x0000000000A9C000-memory.dmp

Filesize
112KB

Download
memory/2744-10-0x0000000000A80000-0x0000000000A9C000-memory.dmp

Filesize
112KB

Download
memory/2744-11-0x0000000000080000-0x00000000000A8000-memory.dmp

Filesize
160KB

Download
memory/2756-2-0x0000000000230000-0x0000000000232000-memory.dmp

Filesize
8KB

Download
memory/2756-1-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download

Analysis

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