xloader | 0dbc37565a20d8e5d40c4c554a194719291bc91ab86db587337b580106f41cb8

General

Target

tmp.exe
Size

270KB
MD5

40292541a586f5c7e2af4f0b5efde77c
SHA1

4fc8c817e38575a5427fdd2741abf20fc9fb3365
SHA256

0dbc37565a20d8e5d40c4c554a194719291bc91ab86db587337b580106f41cb8
SHA512

ceb7888d6a1a94f898f9fb3e44db01574256e59e7690238384fcc853b55553089d2fbf221b179b5cf4baaa54bc6f58ad3db3b36dc747170d10209f4fa4339091

Score

10^/10

xloader uajq loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

uajq

Decoy

pixeldoughnut.com

amadeushosting.com

sitecindustrial.com

orsaigroup.com

jmuse-dev.com

angelobreviario.com

storesafe.xyz

40veryoung.com

65228267.com

xmpanshi.com

luxorscbd.com

saoirsia.com

akwadcom.com

spreast.com

net-empresa12pcs.com

avlaoge1.com

projectmuellerllc.com

hvelv.com

a2bproject.com

myhome-huahin.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/1376-132-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral2/memory/1376-134-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral2/memory/2160-140-0x0000000000C10000-0x0000000000C3B000-memory.dmp	xloader
behavioral2/memory/2160-145-0x0000000000C10000-0x0000000000C3B000-memory.dmp	xloader

Blocklisted process makes network request 2 IoCs

Processes:

cscript.exe

flow pid process

39 2160 cscript.exe
49 2160 cscript.exe

flow	pid	process
39	2160	cscript.exe
49	2160	cscript.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

tmp.execvtres.execscript.exe

description	pid	process	target process
PID 4240 set thread context of 1376	4240	tmp.exe	cvtres.exe
PID 1376 set thread context of 2608	1376	cvtres.exe	Explorer.EXE
PID 2160 set thread context of 2608	2160	cscript.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 50 IoCs

Processes:

cvtres.execscript.exe

pid	process
1376	cvtres.exe
1376	cvtres.exe
1376	cvtres.exe
1376	cvtres.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe
2160	cscript.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2608 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

cvtres.execscript.exe

pid process

1376 cvtres.exe
1376 cvtres.exe
1376 cvtres.exe
2160 cscript.exe
2160 cscript.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

tmp.execvtres.execscript.exe

description pid process

Token: SeDebugPrivilege 4240 tmp.exe
Token: SeDebugPrivilege 1376 cvtres.exe
Token: SeDebugPrivilege 2160 cscript.exe

pid	process
2608	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	4240	tmp.exe
Token: SeDebugPrivilege	1376	cvtres.exe
Token: SeDebugPrivilege	2160	cscript.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

tmp.exeExplorer.EXEcscript.exe

description	pid	process	target process
PID 4240 wrote to memory of 1376	4240	tmp.exe	cvtres.exe
PID 4240 wrote to memory of 1376	4240	tmp.exe	cvtres.exe
PID 4240 wrote to memory of 1376	4240	tmp.exe	cvtres.exe
PID 4240 wrote to memory of 1376	4240	tmp.exe	cvtres.exe
PID 4240 wrote to memory of 1376	4240	tmp.exe	cvtres.exe
PID 4240 wrote to memory of 1376	4240	tmp.exe	cvtres.exe
PID 2608 wrote to memory of 2160	2608	Explorer.EXE	cscript.exe
PID 2608 wrote to memory of 2160	2608	Explorer.EXE	cscript.exe
PID 2608 wrote to memory of 2160	2608	Explorer.EXE	cscript.exe
PID 2160 wrote to memory of 2476	2160	cscript.exe	cmd.exe
PID 2160 wrote to memory of 2476	2160	cscript.exe	cmd.exe
PID 2160 wrote to memory of 2476	2160	cscript.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2608

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4240

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:1376

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:2160

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
3⤵
PID:2476

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1376-136-0x0000000000C80000-0x0000000000C91000-memory.dmp

Filesize
68KB

Download
memory/1376-131-0x0000000000000000-mapping.dmp

Download
memory/1376-132-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1376-134-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1376-135-0x00000000012C0000-0x000000000160A000-memory.dmp

Filesize
3.3MB

Download
memory/2160-139-0x0000000000C50000-0x0000000000C77000-memory.dmp

Filesize
156KB

Download
memory/2160-138-0x0000000000000000-mapping.dmp

Download
memory/2160-140-0x0000000000C10000-0x0000000000C3B000-memory.dmp

Filesize
172KB

Download
memory/2160-141-0x0000000002D00000-0x000000000304A000-memory.dmp

Filesize
3.3MB

Download
memory/2160-143-0x0000000002B30000-0x0000000002BC0000-memory.dmp

Filesize
576KB

Download
memory/2160-145-0x0000000000C10000-0x0000000000C3B000-memory.dmp

Filesize
172KB

Download
memory/2476-142-0x0000000000000000-mapping.dmp

Download
memory/2608-137-0x00000000084A0000-0x000000000856E000-memory.dmp

Filesize
824KB

Download
memory/2608-144-0x0000000008690000-0x00000000087FD000-memory.dmp

Filesize
1.4MB

Download
memory/2608-146-0x0000000008690000-0x00000000087FD000-memory.dmp

Filesize
1.4MB

Download
memory/4240-130-0x00000000006A0000-0x00000000006E8000-memory.dmp

Filesize
288KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads