xloader | 13bd267ca3d7af495f8cd8f72daf3ea997312671eafe9992a88768e4f3ecc601

General

Target

catzx.exe
Size

556KB
MD5

a505757fb36d0c2945985135b1de90cb
SHA1

0f90b28aa225725493ef72a9915bf0c5082ff992
SHA256

13bd267ca3d7af495f8cd8f72daf3ea997312671eafe9992a88768e4f3ecc601
SHA512

37d993fcb3774673a840d4e13e768c7160120c04746972f8efed6c4687e9872fcc175849193510190fbc5047ce89abcce5c3457955b85e7912c09c12b1f0f011

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/2036-63-0x0000000000400000-0x000000000042A000-memory.dmp	xloader
behavioral1/memory/2036-64-0x000000000041D9B0-mapping.dmp	xloader
behavioral1/memory/2036-66-0x0000000000400000-0x000000000042A000-memory.dmp	xloader
behavioral1/memory/588-77-0x00000000000F0000-0x000000000011A000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1988 cmd.exe

pid	process
1988	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

catzx.execatzx.exemsiexec.exe

description	pid	process	target process
PID 964 set thread context of 2036	964	catzx.exe	catzx.exe
PID 2036 set thread context of 1344	2036	catzx.exe	Explorer.EXE
PID 2036 set thread context of 1344	2036	catzx.exe	Explorer.EXE
PID 588 set thread context of 1344	588	msiexec.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 17 IoCs

Processes:

catzx.exemsiexec.exe

pid	process
2036	catzx.exe
2036	catzx.exe
2036	catzx.exe
588	msiexec.exe
588	msiexec.exe
588	msiexec.exe
588	msiexec.exe
588	msiexec.exe
588	msiexec.exe
588	msiexec.exe
588	msiexec.exe
588	msiexec.exe
588	msiexec.exe
588	msiexec.exe
588	msiexec.exe
588	msiexec.exe
588	msiexec.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

catzx.exemsiexec.exe

pid process

2036 catzx.exe
2036 catzx.exe
2036 catzx.exe
2036 catzx.exe
588 msiexec.exe
588 msiexec.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

catzx.exemsiexec.exeExplorer.EXE

description pid process

Token: SeDebugPrivilege 2036 catzx.exe
Token: SeDebugPrivilege 588 msiexec.exe
Token: SeShutdownPrivilege 1344 Explorer.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1344 Explorer.EXE
1344 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1344 Explorer.EXE
1344 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	2036	catzx.exe
Token: SeDebugPrivilege	588	msiexec.exe
Token: SeShutdownPrivilege	1344	Explorer.EXE

pid	process
1344	Explorer.EXE
1344	Explorer.EXE

pid	process
1344	Explorer.EXE
1344	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

catzx.exeExplorer.EXEmsiexec.exe

description	pid	process	target process
PID 964 wrote to memory of 2036	964	catzx.exe	catzx.exe
PID 964 wrote to memory of 2036	964	catzx.exe	catzx.exe
PID 964 wrote to memory of 2036	964	catzx.exe	catzx.exe
PID 964 wrote to memory of 2036	964	catzx.exe	catzx.exe
PID 964 wrote to memory of 2036	964	catzx.exe	catzx.exe
PID 964 wrote to memory of 2036	964	catzx.exe	catzx.exe
PID 964 wrote to memory of 2036	964	catzx.exe	catzx.exe
PID 1344 wrote to memory of 588	1344	Explorer.EXE	msiexec.exe
PID 1344 wrote to memory of 588	1344	Explorer.EXE	msiexec.exe
PID 1344 wrote to memory of 588	1344	Explorer.EXE	msiexec.exe
PID 1344 wrote to memory of 588	1344	Explorer.EXE	msiexec.exe
PID 1344 wrote to memory of 588	1344	Explorer.EXE	msiexec.exe
PID 1344 wrote to memory of 588	1344	Explorer.EXE	msiexec.exe
PID 1344 wrote to memory of 588	1344	Explorer.EXE	msiexec.exe
PID 588 wrote to memory of 1988	588	msiexec.exe	cmd.exe
PID 588 wrote to memory of 1988	588	msiexec.exe	cmd.exe
PID 588 wrote to memory of 1988	588	msiexec.exe	cmd.exe
PID 588 wrote to memory of 1988	588	msiexec.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:1344

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:964

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:2036

C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\SysWOW64\msiexec.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:588

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\catzx.exe"
3⤵
- Deletes itself
PID:1988

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/588-79-0x0000000000C60000-0x0000000000CF0000-memory.dmp

Filesize
576KB

Download
memory/588-78-0x0000000002300000-0x0000000002603000-memory.dmp

Filesize
3.0MB

Download
memory/588-77-0x00000000000F0000-0x000000000011A000-memory.dmp

Filesize
168KB

Download
memory/588-76-0x0000000000EE0000-0x0000000000EF4000-memory.dmp

Filesize
80KB

Download
memory/588-73-0x0000000000000000-mapping.dmp

Download
memory/964-54-0x00000000002E0000-0x0000000000370000-memory.dmp

Filesize
576KB

Download
memory/964-55-0x0000000076561000-0x0000000076563000-memory.dmp

Filesize
8KB

Download
memory/964-56-0x0000000005030000-0x00000000050A8000-memory.dmp

Filesize
480KB

Download
memory/964-57-0x00000000002C0000-0x00000000002CA000-memory.dmp

Filesize
40KB

Download
memory/964-58-0x0000000005870000-0x00000000058F2000-memory.dmp

Filesize
520KB

Download
memory/964-59-0x0000000000B20000-0x0000000000B50000-memory.dmp

Filesize
192KB

Download
memory/1344-72-0x0000000004120000-0x0000000004208000-memory.dmp

Filesize
928KB

Download
memory/1344-69-0x0000000007000000-0x0000000007177000-memory.dmp

Filesize
1.5MB

Download
memory/1344-80-0x0000000004EA0000-0x0000000004F33000-memory.dmp

Filesize
588KB

Download
memory/1988-75-0x0000000000000000-mapping.dmp

Download
memory/2036-68-0x0000000000280000-0x0000000000291000-memory.dmp

Filesize
68KB

Download
memory/2036-71-0x00000000003A0000-0x00000000003B1000-memory.dmp

Filesize
68KB

Download
memory/2036-67-0x00000000008D0000-0x0000000000BD3000-memory.dmp

Filesize
3.0MB

Download
memory/2036-66-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2036-64-0x000000000041D9B0-mapping.dmp

Download
memory/2036-63-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2036-61-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2036-60-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads