xloader | 69dcfb5a20f34c649ed18aa7d02733aef12c54f153ba46c6ae90a00f0b05a9fa

General

Target

Lista de ordenes de compra.exe
Size

653KB
MD5

a8732c40f2c0e569f938a59e0ccb8130
SHA1

1b4683cec4d54b3217b10d3a4908537ce52a9808
SHA256

9c558e9f026119bab2580c1e38533870d351b1e01e65341427194504e2cdf490
SHA512

e3241131f6f101c1113cf3802a1619736a4fc135c7bb69d3b97605e57bb5554b1b06fba060662cb46d47a63d12a04d58ae44382f28733922b1e4523b25a2b5d0

Score

10^/10

xloader pvxz loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

pvxz

C2

http://www.finetipster.com/pvxz/

Decoy

imt-token.club

abravewayocen.online

shcloudcar.com

mshoppingworld.online

ncgf08.xyz

stuinfo.xyz

wesavetheplanetofficial.com

tourbox.xyz

believeinyourselftraining.com

jsboyat.com

aaeconomy.info

9etmorea.info

purosepeti7.com

goticketly.com

pinkmemorypt.com

mylifewellnesscentre.com

iridina.online

petrestore.online

neema.xyz

novelfooditalia.com

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1324-55-0x0000000000000000-mapping.dmp	xloader
behavioral1/memory/1324-57-0x0000000072480000-0x00000000724A9000-memory.dmp	xloader
behavioral1/memory/840-66-0x00000000000C0000-0x00000000000E9000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

secinit.exechkdsk.exe

description	pid	process	target process
PID 1324 set thread context of 1268	1324	secinit.exe	Explorer.EXE
PID 1324 set thread context of 1268	1324	secinit.exe	Explorer.EXE
PID 840 set thread context of 1268	840	chkdsk.exe	Explorer.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

chkdsk.exe

description ioc process

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

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

Suspicious behavior: EnumeratesProcesses 27 IoCs

Processes:

secinit.exechkdsk.exe

pid	process
1324	secinit.exe
1324	secinit.exe
1324	secinit.exe
840	chkdsk.exe
840	chkdsk.exe
840	chkdsk.exe
840	chkdsk.exe
840	chkdsk.exe
840	chkdsk.exe
840	chkdsk.exe
840	chkdsk.exe
840	chkdsk.exe
840	chkdsk.exe
840	chkdsk.exe
840	chkdsk.exe
840	chkdsk.exe
840	chkdsk.exe
840	chkdsk.exe
840	chkdsk.exe
840	chkdsk.exe
840	chkdsk.exe
840	chkdsk.exe
840	chkdsk.exe
840	chkdsk.exe
840	chkdsk.exe
840	chkdsk.exe
840	chkdsk.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1268 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

secinit.exechkdsk.exe

pid process

1324 secinit.exe
1324 secinit.exe
1324 secinit.exe
1324 secinit.exe
840 chkdsk.exe
840 chkdsk.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

secinit.exechkdsk.exe

description pid process

Token: SeDebugPrivilege 1324 secinit.exe
Token: SeDebugPrivilege 840 chkdsk.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1268 Explorer.EXE
1268 Explorer.EXE
1268 Explorer.EXE
1268 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1268 Explorer.EXE
1268 Explorer.EXE
1268 Explorer.EXE
1268 Explorer.EXE

pid	process
1268	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1324	secinit.exe
Token: SeDebugPrivilege	840	chkdsk.exe

pid	process
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE

pid	process
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Lista de ordenes de compra.exesecinit.exechkdsk.exe

description	pid	process	target process
PID 1044 wrote to memory of 1324	1044	Lista de ordenes de compra.exe	secinit.exe
PID 1044 wrote to memory of 1324	1044	Lista de ordenes de compra.exe	secinit.exe
PID 1044 wrote to memory of 1324	1044	Lista de ordenes de compra.exe	secinit.exe
PID 1044 wrote to memory of 1324	1044	Lista de ordenes de compra.exe	secinit.exe
PID 1044 wrote to memory of 1324	1044	Lista de ordenes de compra.exe	secinit.exe
PID 1044 wrote to memory of 1324	1044	Lista de ordenes de compra.exe	secinit.exe
PID 1044 wrote to memory of 1324	1044	Lista de ordenes de compra.exe	secinit.exe
PID 1324 wrote to memory of 840	1324	secinit.exe	chkdsk.exe
PID 1324 wrote to memory of 840	1324	secinit.exe	chkdsk.exe
PID 1324 wrote to memory of 840	1324	secinit.exe	chkdsk.exe
PID 1324 wrote to memory of 840	1324	secinit.exe	chkdsk.exe
PID 840 wrote to memory of 1944	840	chkdsk.exe	cmd.exe
PID 840 wrote to memory of 1944	840	chkdsk.exe	cmd.exe
PID 840 wrote to memory of 1944	840	chkdsk.exe	cmd.exe
PID 840 wrote to memory of 1944	840	chkdsk.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1268
- C:\Users\Admin\AppData\Local\Temp\Lista de ordenes de compra.exe
  "C:\Users\Admin\AppData\Local\Temp\Lista de ordenes de compra.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1044
- - C:\Windows\SysWOW64\secinit.exe
    C:\Windows\System32\secinit.exe
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1324
  - - C:\Windows\SysWOW64\chkdsk.exe
      "C:\Windows\SysWOW64\chkdsk.exe"
      4⤵
      Suspicious use of SetThreadContext
      Enumerates system info in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:840
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Windows\SysWOW64\secinit.exe"
        5⤵
        
        PID:1944

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/840-68-0x0000000001DB0000-0x0000000001E40000-memory.dmp

Filesize
576KB

Download
memory/840-67-0x0000000002080000-0x0000000002383000-memory.dmp

Filesize
3.0MB

Download
memory/840-65-0x00000000006B0000-0x00000000006B7000-memory.dmp

Filesize
28KB

Download
memory/840-66-0x00000000000C0000-0x00000000000E9000-memory.dmp

Filesize
164KB

Download
memory/840-63-0x0000000000000000-mapping.dmp

Download
memory/1044-53-0x0000000075871000-0x0000000075873000-memory.dmp

Filesize
8KB

Download
memory/1044-54-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/1268-62-0x0000000006CC0000-0x0000000006E4A000-memory.dmp

Filesize
1.5MB

Download
memory/1268-60-0x0000000003FA0000-0x0000000004050000-memory.dmp

Filesize
704KB

Download
memory/1268-69-0x0000000004EB0000-0x0000000004F82000-memory.dmp

Filesize
840KB

Download
memory/1324-61-0x0000000000250000-0x0000000000261000-memory.dmp

Filesize
68KB

Download
memory/1324-59-0x0000000000210000-0x0000000000221000-memory.dmp

Filesize
68KB

Download
memory/1324-58-0x00000000020E0000-0x00000000023E3000-memory.dmp

Filesize
3.0MB

Download
memory/1324-56-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/1324-57-0x0000000072480000-0x00000000724A9000-memory.dmp

Filesize
164KB

Download
memory/1324-55-0x0000000000000000-mapping.dmp

Download
memory/1944-64-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads