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
behavioral1/memory/652-67-0x000000000041D110-mapping.dmp	xloader
behavioral1/memory/652-66-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/928-75-0x00000000000C0000-0x00000000000E9000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

pay $.exeRegSvcs.exemsdt.exe

description	pid	process	target process
PID 1240 set thread context of 652	1240	pay $.exe	RegSvcs.exe
PID 652 set thread context of 1196	652	RegSvcs.exe	Explorer.EXE
PID 928 set thread context of 1196	928	msdt.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

pay $.exeRegSvcs.exemsdt.exe

pid	process
1240	pay $.exe
1240	pay $.exe
652	RegSvcs.exe
652	RegSvcs.exe
928	msdt.exe
928	msdt.exe
928	msdt.exe
928	msdt.exe
928	msdt.exe
928	msdt.exe
928	msdt.exe
928	msdt.exe
928	msdt.exe
928	msdt.exe
928	msdt.exe
928	msdt.exe
928	msdt.exe
928	msdt.exe
928	msdt.exe
928	msdt.exe
928	msdt.exe
928	msdt.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RegSvcs.exemsdt.exe

pid process

652 RegSvcs.exe
652 RegSvcs.exe
652 RegSvcs.exe
928 msdt.exe
928 msdt.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

pay $.exeRegSvcs.exemsdt.exe

description pid process

Token: SeDebugPrivilege 1240 pay $.exe
Token: SeDebugPrivilege 652 RegSvcs.exe
Token: SeDebugPrivilege 928 msdt.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE

pid	process
652	RegSvcs.exe
652	RegSvcs.exe
652	RegSvcs.exe
928	msdt.exe
928	msdt.exe

description	pid	process
Token: SeDebugPrivilege	1240	pay $.exe
Token: SeDebugPrivilege	652	RegSvcs.exe
Token: SeDebugPrivilege	928	msdt.exe

pid	process
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE

pid	process
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

pay $.exeExplorer.EXEmsdt.exe

description	pid	process	target process
PID 1240 wrote to memory of 652	1240	pay $.exe	RegSvcs.exe
PID 1240 wrote to memory of 652	1240	pay $.exe	RegSvcs.exe
PID 1240 wrote to memory of 652	1240	pay $.exe	RegSvcs.exe
PID 1240 wrote to memory of 652	1240	pay $.exe	RegSvcs.exe
PID 1240 wrote to memory of 652	1240	pay $.exe	RegSvcs.exe
PID 1240 wrote to memory of 652	1240	pay $.exe	RegSvcs.exe
PID 1240 wrote to memory of 652	1240	pay $.exe	RegSvcs.exe
PID 1240 wrote to memory of 652	1240	pay $.exe	RegSvcs.exe
PID 1240 wrote to memory of 652	1240	pay $.exe	RegSvcs.exe
PID 1240 wrote to memory of 652	1240	pay $.exe	RegSvcs.exe
PID 1196 wrote to memory of 928	1196	Explorer.EXE	msdt.exe
PID 1196 wrote to memory of 928	1196	Explorer.EXE	msdt.exe
PID 1196 wrote to memory of 928	1196	Explorer.EXE	msdt.exe
PID 1196 wrote to memory of 928	1196	Explorer.EXE	msdt.exe
PID 928 wrote to memory of 572	928	msdt.exe	cmd.exe
PID 928 wrote to memory of 572	928	msdt.exe	cmd.exe
PID 928 wrote to memory of 572	928	msdt.exe	cmd.exe
PID 928 wrote to memory of 572	928	msdt.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1196

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:1240

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:652

C:\Windows\SysWOW64\msdt.exe
"C:\Windows\SysWOW64\msdt.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:928

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:572

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/572-73-0x0000000000000000-mapping.dmp

Download
memory/652-69-0x0000000000130000-0x0000000000140000-memory.dmp

Filesize
64KB

Download
memory/652-67-0x000000000041D110-mapping.dmp

Download
memory/652-68-0x0000000000B40000-0x0000000000E43000-memory.dmp

Filesize
3.0MB

Download
memory/652-66-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/928-74-0x0000000000740000-0x0000000000834000-memory.dmp

Filesize
976KB

Download
memory/928-72-0x0000000075B31000-0x0000000075B33000-memory.dmp

Filesize
8KB

Download
memory/928-77-0x0000000001F60000-0x0000000001FEF000-memory.dmp

Filesize
572KB

Download
memory/928-71-0x0000000000000000-mapping.dmp

Download
memory/928-76-0x0000000002230000-0x0000000002533000-memory.dmp

Filesize
3.0MB

Download
memory/928-75-0x00000000000C0000-0x00000000000E9000-memory.dmp

Filesize
164KB

Download
memory/1196-78-0x0000000003BD0000-0x0000000003C64000-memory.dmp

Filesize
592KB

Download
memory/1196-70-0x0000000004A60000-0x0000000004BEE000-memory.dmp

Filesize
1.6MB

Download
memory/1240-63-0x0000000000740000-0x0000000000756000-memory.dmp

Filesize
88KB

Download
memory/1240-62-0x0000000004670000-0x0000000004671000-memory.dmp

Filesize
4KB

Download
memory/1240-60-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/1240-64-0x0000000005E90000-0x0000000005EEB000-memory.dmp

Filesize
364KB

Download
memory/1240-65-0x0000000005080000-0x00000000050AA000-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