xloader | 6a45e8bd8aab18aaf291aee35a9f9764719cbdb65b0b033d410de11b959f092c

General

Target

Scanned Enquires.exe
Size

1.1MB
MD5

9abd9b9521e406af49f9fb0e565d213f
SHA1

aea9b4c2dec2895be98fd9f4e10aac40df711879
SHA256

6771c3c843a0128509585cf697d7c466ae15c3c586789fdd3d7928328e0236c0
SHA512

f0a8255cdd0ae4ec56ea2bb5cb48736e6935a2761ccb98d30bb5cb9db5bf931c4f93e9f79b7321eaf899e5b3cf4507a8febba8a953b4ccd91ab4b06087386b90
SSDEEP

12288:F8/tsfA+hiNmT0tBBWX/BVhu1cDb9AgNP+bKWTAivJrYjM5XxmCyW+F3fJJCFuZC:FitqA+hi86zep0kOa+HlOjmmCyzBJC

Score

10^/10

xloader meub discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

meub

Decoy

ebookcu.com

sherwooddaydesigns.com

healthcarebb.com

pixelflydesigns.com

youtegou.net

audiokeychin.com

rioranchoeventscenter.com

nickofolas.com

comicstattoosnguns.com

ally.tech

paperplaneexplorer.com

janetkk.com

sun1981.com

pocopage.com

shortagegoal.com

tbluelinux.com

servantsheartvalet.com

jkhushal.com

91huangyu.com

portlandconservatory.net

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/568-15-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/568-19-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/568-23-0x0000000000400000-0x0000000000429000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2604 set thread context of 568	2604	Scanned Enquires.exe	31
PID 568 set thread context of 1232	568	Scanned Enquires.exe	21
PID 568 set thread context of 1232	568	Scanned Enquires.exe	21

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2736	772	WerFault.exe	32

System Location Discovery: System Language Discovery 1 TTPs 2 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	Scanned Enquires.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
568	Scanned Enquires.exe
568	Scanned Enquires.exe
568	Scanned Enquires.exe

Suspicious behavior: MapViewOfSection 4 IoCs

pid	Process
568	Scanned Enquires.exe
568	Scanned Enquires.exe
568	Scanned Enquires.exe
568	Scanned Enquires.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	568	Scanned Enquires.exe
Token: SeShutdownPrivilege	1232	Explorer.EXE
Token: SeShutdownPrivilege	1232	Explorer.EXE
Token: SeShutdownPrivilege	1232	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 568	2604	Scanned Enquires.exe	31
PID 2604 wrote to memory of 568	2604	Scanned Enquires.exe	31
PID 2604 wrote to memory of 568	2604	Scanned Enquires.exe	31
PID 2604 wrote to memory of 568	2604	Scanned Enquires.exe	31
PID 2604 wrote to memory of 568	2604	Scanned Enquires.exe	31
PID 2604 wrote to memory of 568	2604	Scanned Enquires.exe	31
PID 2604 wrote to memory of 568	2604	Scanned Enquires.exe	31
PID 1232 wrote to memory of 772	1232	Explorer.EXE	32
PID 1232 wrote to memory of 772	1232	Explorer.EXE	32
PID 1232 wrote to memory of 772	1232	Explorer.EXE	32
PID 1232 wrote to memory of 772	1232	Explorer.EXE	32
PID 1232 wrote to memory of 772	1232	Explorer.EXE	32
PID 1232 wrote to memory of 772	1232	Explorer.EXE	32
PID 1232 wrote to memory of 772	1232	Explorer.EXE	32
PID 772 wrote to memory of 2736	772	msiexec.exe	33
PID 772 wrote to memory of 2736	772	msiexec.exe	33
PID 772 wrote to memory of 2736	772	msiexec.exe	33
PID 772 wrote to memory of 2736	772	msiexec.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1232
- C:\Users\Admin\AppData\Local\Temp\Scanned Enquires.exe
  "C:\Users\Admin\AppData\Local\Temp\Scanned Enquires.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2604
- - C:\Users\Admin\AppData\Local\Temp\Scanned Enquires.exe
    "C:\Users\Admin\AppData\Local\Temp\Scanned Enquires.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:568
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:772
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 772 -s 268
    3⤵
    - Program crash
    PID:2736

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/568-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/568-17-0x00000000008D0000-0x0000000000BD3000-memory.dmp

Filesize
3.0MB

Download
memory/568-8-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/568-23-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/568-10-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/568-24-0x00000000003A0000-0x00000000003B1000-memory.dmp

Filesize
68KB

Download
memory/568-20-0x0000000000140000-0x0000000000151000-memory.dmp

Filesize
68KB

Download
memory/568-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/568-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/772-27-0x0000000000080000-0x0000000000094000-memory.dmp

Filesize
80KB

Download
memory/772-28-0x0000000000080000-0x0000000000094000-memory.dmp

Filesize
80KB

Download
memory/772-30-0x0000000000080000-0x0000000000094000-memory.dmp

Filesize
80KB

Download
memory/1232-26-0x0000000004630000-0x00000000046EF000-memory.dmp

Filesize
764KB

Download
memory/1232-21-0x0000000004E00000-0x0000000004F65000-memory.dmp

Filesize
1.4MB

Download
memory/1232-25-0x0000000004E00000-0x0000000004F65000-memory.dmp

Filesize
1.4MB

Download
memory/2604-6-0x00000000048B0000-0x000000000497C000-memory.dmp

Filesize
816KB

Download
memory/2604-16-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2604-7-0x0000000007100000-0x0000000007186000-memory.dmp

Filesize
536KB

Download
memory/2604-0-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/2604-5-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2604-4-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/2604-3-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2604-2-0x00000000006A0000-0x00000000006AA000-memory.dmp

Filesize
40KB

Download
memory/2604-1-0x0000000000E00000-0x0000000000F1A000-memory.dmp

Filesize
1.1MB

Download

Analysis

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