xloader | 37dc7edf8d328692e168888bd219de366cd7114965184ec2fe716046652b81c3

General

Target

catzx.exe
Size

637KB
MD5

8d6a4404edc6cceb62c96399991b35fc
SHA1

ddca329231e31acd27a46b6579937a23a4d6678e
SHA256

37dc7edf8d328692e168888bd219de366cd7114965184ec2fe716046652b81c3
SHA512

4d8e2e6ba6fe095512954d5d5de954c161c0dee5d9cb715fa118de6357d6ae18a9c685c9139c98335672b6cb76b2de897de1a61338649801b3a396ec05c67005

Score

10^/10

xloader r007 loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

r007

Decoy

trashpandaservice.com

mobileads.network

ascolstore.com

gelsinextra.com

bonestell.net

heitoll.xyz

ceapgis.com

mon-lapin.biz

miq-eva.com

rematedesillas.com

playingonline.xyz

hausense.quest

tnyzw.com

appsdial.com

addcolor.city

hagenoblog.com

michaelwesleyj.com

she-zain.com

lorhsems.com

karmaserena.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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2016-62-0x0000000000400000-0x000000000042A000-memory.dmp	xloader
behavioral1/memory/2016-63-0x000000000041D9B0-mapping.dmp	xloader
behavioral1/memory/2016-68-0x0000000000400000-0x000000000042A000-memory.dmp	xloader
behavioral1/memory/1340-73-0x0000000000080000-0x00000000000AA000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

320 cmd.exe

pid	process
320	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

catzx.execatzx.exehelp.exe

description	pid	process	target process
PID 1792 set thread context of 2016	1792	catzx.exe	catzx.exe
PID 2016 set thread context of 1264	2016	catzx.exe	Explorer.EXE
PID 2016 set thread context of 1264	2016	catzx.exe	Explorer.EXE
PID 1340 set thread context of 1264	1340	help.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

catzx.exehelp.exe

pid	process
2016	catzx.exe
2016	catzx.exe
2016	catzx.exe
1340	help.exe
1340	help.exe
1340	help.exe
1340	help.exe
1340	help.exe
1340	help.exe
1340	help.exe
1340	help.exe
1340	help.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

catzx.exehelp.exe

pid process

2016 catzx.exe
2016 catzx.exe
2016 catzx.exe
2016 catzx.exe
1340 help.exe
1340 help.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

catzx.exehelp.exeExplorer.EXE

description pid process

Token: SeDebugPrivilege 2016 catzx.exe
Token: SeDebugPrivilege 1340 help.exe
Token: SeShutdownPrivilege 1264 Explorer.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1264 Explorer.EXE
1264 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1264 Explorer.EXE
1264 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	2016	catzx.exe
Token: SeDebugPrivilege	1340	help.exe
Token: SeShutdownPrivilege	1264	Explorer.EXE

pid	process
1264	Explorer.EXE
1264	Explorer.EXE

pid	process
1264	Explorer.EXE
1264	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

catzx.exeExplorer.EXEhelp.exe

description	pid	process	target process
PID 1792 wrote to memory of 2016	1792	catzx.exe	catzx.exe
PID 1792 wrote to memory of 2016	1792	catzx.exe	catzx.exe
PID 1792 wrote to memory of 2016	1792	catzx.exe	catzx.exe
PID 1792 wrote to memory of 2016	1792	catzx.exe	catzx.exe
PID 1792 wrote to memory of 2016	1792	catzx.exe	catzx.exe
PID 1792 wrote to memory of 2016	1792	catzx.exe	catzx.exe
PID 1792 wrote to memory of 2016	1792	catzx.exe	catzx.exe
PID 1264 wrote to memory of 1340	1264	Explorer.EXE	help.exe
PID 1264 wrote to memory of 1340	1264	Explorer.EXE	help.exe
PID 1264 wrote to memory of 1340	1264	Explorer.EXE	help.exe
PID 1264 wrote to memory of 1340	1264	Explorer.EXE	help.exe
PID 1340 wrote to memory of 320	1340	help.exe	cmd.exe
PID 1340 wrote to memory of 320	1340	help.exe	cmd.exe
PID 1340 wrote to memory of 320	1340	help.exe	cmd.exe
PID 1340 wrote to memory of 320	1340	help.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1264

C:\Users\Admin\AppData\Local\Temp\catzx.exe
"C:\Users\Admin\AppData\Local\Temp\catzx.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1792

C:\Users\Admin\AppData\Local\Temp\catzx.exe
"C:\Users\Admin\AppData\Local\Temp\catzx.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2016

C:\Windows\SysWOW64\help.exe
"C:\Windows\SysWOW64\help.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1340

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\catzx.exe"
3⤵
- Deletes itself
PID:320

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/320-75-0x0000000000000000-mapping.dmp

Download
memory/1264-77-0x00000000069A0000-0x0000000006A59000-memory.dmp

Filesize
740KB

Download
memory/1264-67-0x00000000064A0000-0x00000000065DD000-memory.dmp

Filesize
1.2MB

Download
memory/1264-70-0x00000000047F0000-0x00000000048BB000-memory.dmp

Filesize
812KB

Download
memory/1340-74-0x00000000008A0000-0x0000000000BA3000-memory.dmp

Filesize
3.0MB

Download
memory/1340-76-0x00000000006E0000-0x0000000000770000-memory.dmp

Filesize
576KB

Download
memory/1340-72-0x0000000000890000-0x0000000000896000-memory.dmp

Filesize
24KB

Download
memory/1340-73-0x0000000000080000-0x00000000000AA000-memory.dmp

Filesize
168KB

Download
memory/1340-71-0x0000000000000000-mapping.dmp

Download
memory/1792-54-0x0000000000B70000-0x0000000000C14000-memory.dmp

Filesize
656KB

Download
memory/1792-58-0x0000000000660000-0x0000000000690000-memory.dmp

Filesize
192KB

Download
memory/1792-57-0x0000000005FD0000-0x000000000605C000-memory.dmp

Filesize
560KB

Download
memory/1792-56-0x0000000000290000-0x000000000029A000-memory.dmp

Filesize
40KB

Download
memory/1792-55-0x0000000075C51000-0x0000000075C53000-memory.dmp

Filesize
8KB

Download
memory/2016-59-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2016-69-0x0000000000360000-0x0000000000371000-memory.dmp

Filesize
68KB

Download
memory/2016-68-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2016-66-0x0000000000210000-0x0000000000221000-memory.dmp

Filesize
68KB

Download
memory/2016-64-0x0000000000820000-0x0000000000B23000-memory.dmp

Filesize
3.0MB

Download
memory/2016-63-0x000000000041D9B0-mapping.dmp

Download
memory/2016-62-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2016-60-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads