xloader | 17c2bc113099a0d8287c5aeeb76dc5386333256ca8245d2da83a8749bef1d350

General

Target

vbc (3).exe
Size

216KB
MD5

931f3ab4157f42f78cc74c3d46eb3d67
SHA1

baa093b366ba5dfac52d7611f26a1cd08aa315e2
SHA256

17c2bc113099a0d8287c5aeeb76dc5386333256ca8245d2da83a8749bef1d350
SHA512

df966e4ace266463ea38b13a06c5cd4a0753bc560a81f565434ede6483ce2cd66daa8d6b24c8a05c8783e1849c1b6f7134fbfc6d41a59096c3f9bb124d8a9012

Score

10^/10

xloader zgtb loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

zgtb

Decoy

gabriellep.com

honghe4.xyz

anisaofrendas.com

happy-tile.com

thesulkies.com

international-ipo.com

tazeco.info

hhhzzz.xyz

vrmonster.xyz

theearthresidencia.com

sportape.xyz

elshadaibaterias.com

koredeiihibi.com

taxtaa.com

globalcityb.com

fxivcama.com

dagsmith.com

elmar-bhp.com

peakice.net

jhcdjewelry.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
behavioral2/memory/4808-132-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral2/memory/4808-138-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral2/memory/2732-141-0x0000000000F50000-0x0000000000F7B000-memory.dmp	xloader
behavioral2/memory/2732-145-0x0000000000F50000-0x0000000000F7B000-memory.dmp	xloader

Blocklisted process makes network request 3 IoCs

Processes:

cscript.exe

flow pid process

35 2732 cscript.exe
37 2732 cscript.exe
50 2732 cscript.exe

flow	pid	process
35	2732	cscript.exe
37	2732	cscript.exe
50	2732	cscript.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

vbc (3).execvtres.execscript.exe

description	pid	process	target process
PID 2948 set thread context of 4808	2948	vbc (3).exe	cvtres.exe
PID 4808 set thread context of 3152	4808	cvtres.exe	Explorer.EXE
PID 2732 set thread context of 3152	2732	cscript.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 50 IoCs

Processes:

cvtres.execscript.exe

pid	process
4808	cvtres.exe
4808	cvtres.exe
4808	cvtres.exe
4808	cvtres.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe
2732	cscript.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3152 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

cvtres.execscript.exe

pid process

4808 cvtres.exe
4808 cvtres.exe
4808 cvtres.exe
2732 cscript.exe
2732 cscript.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

cvtres.execscript.exe

description pid process

Token: SeDebugPrivilege 4808 cvtres.exe
Token: SeDebugPrivilege 2732 cscript.exe

pid	process
3152	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	4808	cvtres.exe
Token: SeDebugPrivilege	2732	cscript.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

vbc (3).exeExplorer.EXEcscript.exe

description	pid	process	target process
PID 2948 wrote to memory of 4808	2948	vbc (3).exe	cvtres.exe
PID 2948 wrote to memory of 4808	2948	vbc (3).exe	cvtres.exe
PID 2948 wrote to memory of 4808	2948	vbc (3).exe	cvtres.exe
PID 2948 wrote to memory of 4808	2948	vbc (3).exe	cvtres.exe
PID 2948 wrote to memory of 4808	2948	vbc (3).exe	cvtres.exe
PID 2948 wrote to memory of 4808	2948	vbc (3).exe	cvtres.exe
PID 3152 wrote to memory of 2732	3152	Explorer.EXE	cscript.exe
PID 3152 wrote to memory of 2732	3152	Explorer.EXE	cscript.exe
PID 3152 wrote to memory of 2732	3152	Explorer.EXE	cscript.exe
PID 2732 wrote to memory of 4304	2732	cscript.exe	cmd.exe
PID 2732 wrote to memory of 4304	2732	cscript.exe	cmd.exe
PID 2732 wrote to memory of 4304	2732	cscript.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3152

C:\Users\Admin\AppData\Local\Temp\vbc (3).exe
"C:\Users\Admin\AppData\Local\Temp\vbc (3).exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2948

C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4808

C:\Windows\SysWOW64\cscript.exe
"C:\Windows\SysWOW64\cscript.exe"
2⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2732

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
3⤵
PID:4304

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2732-140-0x0000000000700000-0x0000000000727000-memory.dmp

Filesize
156KB

Download
memory/2732-145-0x0000000000F50000-0x0000000000F7B000-memory.dmp

Filesize
172KB

Download
memory/2732-143-0x0000000003170000-0x0000000003200000-memory.dmp

Filesize
576KB

Download
memory/2732-142-0x0000000003340000-0x000000000368A000-memory.dmp

Filesize
3.3MB

Download
memory/2732-141-0x0000000000F50000-0x0000000000F7B000-memory.dmp

Filesize
172KB

Download
memory/2732-137-0x0000000000000000-mapping.dmp

Download
memory/2948-130-0x0000000000590000-0x00000000005CA000-memory.dmp

Filesize
232KB

Download
memory/3152-136-0x0000000002F00000-0x0000000002FC8000-memory.dmp

Filesize
800KB

Download
memory/3152-144-0x00000000032C0000-0x00000000033AF000-memory.dmp

Filesize
956KB

Download
memory/3152-146-0x00000000032C0000-0x00000000033AF000-memory.dmp

Filesize
956KB

Download
memory/4304-139-0x0000000000000000-mapping.dmp

Download
memory/4808-138-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4808-135-0x0000000001990000-0x00000000019A1000-memory.dmp

Filesize
68KB

Download
memory/4808-134-0x0000000001A20000-0x0000000001D6A000-memory.dmp

Filesize
3.3MB

Download
memory/4808-132-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4808-131-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads