xloader | 43d831616e23a03c055971bc1c7c9ae0e87f491976e72ce8fa0074610f004488

General

Target

pay $.exe
Size

557KB
MD5

5f36a5d12506389cb097a59838155c52
SHA1

b4de1b62ee1775c0e10fe0442cd1b6b3ef75146b
SHA256

43d831616e23a03c055971bc1c7c9ae0e87f491976e72ce8fa0074610f004488
SHA512

0dd7386c15c606c465496ff837a9780efa889a117da31c93f388601483d7d8f473a3ef80a727f7ac0b039d272c4753abc3bac73bdd53bb109bd5515134dd7ff6

Score

10^/10

xloader t75f loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

t75f

C2

http://www.vertexnailsblaine.com/t75f/

Decoy

onegolfsydney.com

kaizensportscoaching.com

mliacbjv.icu

rinstech.net

midas-parts.com

istmenian.com

ibrahimpike.com

herbspaces.com

gentleman4higher.com

workabusiness.com

isabusive.website

222555dy.com

lwhyzhzb.xyz

gabrielabravoillanes.com

hearthomelife.com

buildswealth.com

printitaz.com

l-mventures.com

baincot3.com

nstaq-labs.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
behavioral2/memory/3992-126-0x000000000041D110-mapping.dmp	xloader
behavioral2/memory/3992-125-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/372-135-0x0000000003150000-0x0000000003179000-memory.dmp	xloader

Suspicious use of SetThreadContext 4 IoCs

Processes:

pay $.exeRegSvcs.exewscript.exe

description	pid	process	target process
PID 4000 set thread context of 3992	4000	pay $.exe	RegSvcs.exe
PID 3992 set thread context of 2372	3992	RegSvcs.exe	Explorer.EXE
PID 3992 set thread context of 2372	3992	RegSvcs.exe	Explorer.EXE
PID 372 set thread context of 2372	372	wscript.exe	Explorer.EXE

Modifies registry class 2 IoCs

Processes:

Explorer.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-2559286294-2439613352-4032193287-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 48 IoCs

Processes:

pay $.exeRegSvcs.exewscript.exe

pid	process
4000	pay $.exe
4000	pay $.exe
3992	RegSvcs.exe
3992	RegSvcs.exe
3992	RegSvcs.exe
3992	RegSvcs.exe
3992	RegSvcs.exe
3992	RegSvcs.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe
372	wscript.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2372 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

RegSvcs.exewscript.exe

pid process

3992 RegSvcs.exe
3992 RegSvcs.exe
3992 RegSvcs.exe
3992 RegSvcs.exe
372 wscript.exe
372 wscript.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

pay $.exeRegSvcs.exewscript.exe

description pid process

Token: SeDebugPrivilege 4000 pay $.exe
Token: SeDebugPrivilege 3992 RegSvcs.exe
Token: SeDebugPrivilege 372 wscript.exe
Suspicious use of FindShellTrayWindow 8 IoCs

Processes:

Explorer.EXE

pid process

2372 Explorer.EXE
2372 Explorer.EXE
2372 Explorer.EXE
2372 Explorer.EXE
2372 Explorer.EXE
2372 Explorer.EXE
2372 Explorer.EXE
2372 Explorer.EXE

pid	process
2372	Explorer.EXE

pid	process
3992	RegSvcs.exe
3992	RegSvcs.exe
3992	RegSvcs.exe
3992	RegSvcs.exe
372	wscript.exe
372	wscript.exe

description	pid	process
Token: SeDebugPrivilege	4000	pay $.exe
Token: SeDebugPrivilege	3992	RegSvcs.exe
Token: SeDebugPrivilege	372	wscript.exe

pid	process
2372	Explorer.EXE
2372	Explorer.EXE
2372	Explorer.EXE
2372	Explorer.EXE
2372	Explorer.EXE
2372	Explorer.EXE
2372	Explorer.EXE
2372	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

pay $.exeExplorer.EXEwscript.exe

description	pid	process	target process
PID 4000 wrote to memory of 3992	4000	pay $.exe	RegSvcs.exe
PID 4000 wrote to memory of 3992	4000	pay $.exe	RegSvcs.exe
PID 4000 wrote to memory of 3992	4000	pay $.exe	RegSvcs.exe
PID 4000 wrote to memory of 3992	4000	pay $.exe	RegSvcs.exe
PID 4000 wrote to memory of 3992	4000	pay $.exe	RegSvcs.exe
PID 4000 wrote to memory of 3992	4000	pay $.exe	RegSvcs.exe
PID 2372 wrote to memory of 372	2372	Explorer.EXE	wscript.exe
PID 2372 wrote to memory of 372	2372	Explorer.EXE	wscript.exe
PID 2372 wrote to memory of 372	2372	Explorer.EXE	wscript.exe
PID 372 wrote to memory of 3244	372	wscript.exe	cmd.exe
PID 372 wrote to memory of 3244	372	wscript.exe	cmd.exe
PID 372 wrote to memory of 3244	372	wscript.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2372

C:\Users\Admin\AppData\Local\Temp\pay $.exe
"C:\Users\Admin\AppData\Local\Temp\pay $.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4000

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3992

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:2352

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:3588

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:3704

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:4012

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:3424

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:4052

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:3932

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:4064

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:4068

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:1824

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:3884

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:3868

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:3872

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:3936

C:\Windows\SysWOW64\wscript.exe
"C:\Windows\SysWOW64\wscript.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:372

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:3244

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/372-137-0x0000000004E50000-0x0000000004EDF000-memory.dmp

Filesize
572KB

Download
memory/372-136-0x0000000005090000-0x00000000053B0000-memory.dmp

Filesize
3.1MB

Download
memory/372-135-0x0000000003150000-0x0000000003179000-memory.dmp

Filesize
164KB

Download
memory/372-134-0x0000000000B00000-0x0000000000B27000-memory.dmp

Filesize
156KB

Download
memory/372-132-0x0000000000000000-mapping.dmp

Download
memory/2372-129-0x0000000006890000-0x00000000069E4000-memory.dmp

Filesize
1.3MB

Download
memory/2372-138-0x0000000005E30000-0x0000000005F76000-memory.dmp

Filesize
1.3MB

Download
memory/2372-131-0x0000000005CF0000-0x0000000005E2B000-memory.dmp

Filesize
1.2MB

Download
memory/3244-133-0x0000000000000000-mapping.dmp

Download
memory/3992-130-0x00000000018F0000-0x0000000001900000-memory.dmp

Filesize
64KB

Download
memory/3992-125-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3992-128-0x0000000001520000-0x0000000001530000-memory.dmp

Filesize
64KB

Download
memory/3992-127-0x0000000001970000-0x0000000001C90000-memory.dmp

Filesize
3.1MB

Download
memory/3992-126-0x000000000041D110-mapping.dmp

Download
memory/4000-123-0x0000000006BB0000-0x0000000006C0B000-memory.dmp

Filesize
364KB

Download
memory/4000-115-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/4000-124-0x00000000083B0000-0x00000000083DA000-memory.dmp

Filesize
168KB

Download
memory/4000-122-0x0000000008370000-0x0000000008386000-memory.dmp

Filesize
88KB

Download
memory/4000-121-0x0000000008410000-0x0000000008411000-memory.dmp

Filesize
4KB

Download
memory/4000-120-0x0000000004D10000-0x000000000520E000-memory.dmp

Filesize
5.0MB

Download
memory/4000-119-0x0000000004C40000-0x0000000004C41000-memory.dmp

Filesize
4KB

Download
memory/4000-118-0x0000000004C50000-0x0000000004C51000-memory.dmp

Filesize
4KB

Download
memory/4000-117-0x0000000005210000-0x0000000005211000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads