xloader | 7deecd8502e99ced6aec8588840f7e972a3b030c19e0e88ef94ec3a9d2ababc9

General

Target

pay.exe
Size

493KB
MD5

d08e51116e789fa67fd4d535ad4f399b
SHA1

1d7d28fb75910f580d75167c0b30ebadd79fe8ca
SHA256

7deecd8502e99ced6aec8588840f7e972a3b030c19e0e88ef94ec3a9d2ababc9
SHA512

6a576a4765cd48138989742cad201abc09941290d70459b13e9dbe3680fe6b291a4a422fbc7dfc4c26e0b554794015194f78c6d2e2082053ba9c1a2a9313bfa1

Score

10^/10

xloader t75f loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.4

Campaign

t75f

C2

http://www.438451.com/t75f/

Decoy

ice-lemon.pro

ar3spro.cloud

9055837.com

fucksociety.net

prettyofficialx.com

mfxw.xyz

relationshipquiz.info

customia.xyz

juanayjuan.com

zidiankj.com

facture-booking.com

secondmining.store

aboutyou.club

gongxichen.com

laurabraincreative.com

pierrot-bros.com

saintpaulaccountingservices.com

dom-maya.com

garderobamarzen.net

la-salamandre-assurances.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/4848-125-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/4848-126-0x000000000041D410-mapping.dmp	xloader
behavioral2/memory/4888-132-0x0000000002990000-0x00000000029B9000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

pay.exeRegSvcs.execscript.exe

description	pid	process	target process
PID 4716 set thread context of 4848	4716	pay.exe	RegSvcs.exe
PID 4848 set thread context of 3008	4848	RegSvcs.exe	Explorer.EXE
PID 4888 set thread context of 3008	4888	cscript.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.execscript.exe

pid	process
4716	pay.exe
4716	pay.exe
4716	pay.exe
4716	pay.exe
4848	RegSvcs.exe
4848	RegSvcs.exe
4848	RegSvcs.exe
4848	RegSvcs.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe
4888	cscript.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3008 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RegSvcs.execscript.exe

pid process

4848 RegSvcs.exe
4848 RegSvcs.exe
4848 RegSvcs.exe
4888 cscript.exe
4888 cscript.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

pay.exeRegSvcs.execscript.exe

description pid process

Token: SeDebugPrivilege 4716 pay.exe
Token: SeDebugPrivilege 4848 RegSvcs.exe
Token: SeDebugPrivilege 4888 cscript.exe
Suspicious use of FindShellTrayWindow 8 IoCs

Processes:

Explorer.EXE

pid process

3008 Explorer.EXE
3008 Explorer.EXE
3008 Explorer.EXE
3008 Explorer.EXE
3008 Explorer.EXE
3008 Explorer.EXE
3008 Explorer.EXE
3008 Explorer.EXE

pid	process
3008	Explorer.EXE

pid	process
4848	RegSvcs.exe
4848	RegSvcs.exe
4848	RegSvcs.exe
4888	cscript.exe
4888	cscript.exe

description	pid	process
Token: SeDebugPrivilege	4716	pay.exe
Token: SeDebugPrivilege	4848	RegSvcs.exe
Token: SeDebugPrivilege	4888	cscript.exe

pid	process
3008	Explorer.EXE
3008	Explorer.EXE
3008	Explorer.EXE
3008	Explorer.EXE
3008	Explorer.EXE
3008	Explorer.EXE
3008	Explorer.EXE
3008	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

pay.exeExplorer.EXEcscript.exe

description	pid	process	target process
PID 4716 wrote to memory of 4840	4716	pay.exe	RegSvcs.exe
PID 4716 wrote to memory of 4840	4716	pay.exe	RegSvcs.exe
PID 4716 wrote to memory of 4840	4716	pay.exe	RegSvcs.exe
PID 4716 wrote to memory of 4848	4716	pay.exe	RegSvcs.exe
PID 4716 wrote to memory of 4848	4716	pay.exe	RegSvcs.exe
PID 4716 wrote to memory of 4848	4716	pay.exe	RegSvcs.exe
PID 4716 wrote to memory of 4848	4716	pay.exe	RegSvcs.exe
PID 4716 wrote to memory of 4848	4716	pay.exe	RegSvcs.exe
PID 4716 wrote to memory of 4848	4716	pay.exe	RegSvcs.exe
PID 3008 wrote to memory of 4888	3008	Explorer.EXE	cscript.exe
PID 3008 wrote to memory of 4888	3008	Explorer.EXE	cscript.exe
PID 3008 wrote to memory of 4888	3008	Explorer.EXE	cscript.exe
PID 4888 wrote to memory of 4928	4888	cscript.exe	cmd.exe
PID 4888 wrote to memory of 4928	4888	cscript.exe	cmd.exe
PID 4888 wrote to memory of 4928	4888	cscript.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:3008

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:4716

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:4840

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:4848

C:\Windows\SysWOW64\cscript.exe
"C:\Windows\SysWOW64\cscript.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4888

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:4928

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/3008-129-0x0000000006760000-0x00000000068B8000-memory.dmp

Filesize
1.3MB

Download
memory/3008-136-0x00000000057D0000-0x0000000005958000-memory.dmp

Filesize
1.5MB

Download
memory/4716-117-0x0000000004EB0000-0x0000000004EB1000-memory.dmp

Filesize
4KB

Download
memory/4716-118-0x00000000049B0000-0x00000000049B1000-memory.dmp

Filesize
4KB

Download
memory/4716-119-0x00000000048D0000-0x0000000004962000-memory.dmp

Filesize
584KB

Download
memory/4716-120-0x0000000004970000-0x0000000004971000-memory.dmp

Filesize
4KB

Download
memory/4716-121-0x0000000004C40000-0x0000000004C41000-memory.dmp

Filesize
4KB

Download
memory/4716-122-0x0000000004B10000-0x0000000004B17000-memory.dmp

Filesize
28KB

Download
memory/4716-123-0x0000000005680000-0x00000000056DC000-memory.dmp

Filesize
368KB

Download
memory/4716-124-0x0000000007BD0000-0x0000000007BFB000-memory.dmp

Filesize
172KB

Download
memory/4716-115-0x00000000000B0000-0x00000000000B1000-memory.dmp

Filesize
4KB

Download
memory/4848-126-0x000000000041D410-mapping.dmp

Download
memory/4848-127-0x00000000009A0000-0x0000000000CC0000-memory.dmp

Filesize
3.1MB

Download
memory/4848-128-0x0000000000E70000-0x0000000000E81000-memory.dmp

Filesize
68KB

Download
memory/4848-125-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4888-130-0x0000000000000000-mapping.dmp

Download
memory/4888-131-0x0000000000850000-0x0000000000877000-memory.dmp

Filesize
156KB

Download
memory/4888-132-0x0000000002990000-0x00000000029B9000-memory.dmp

Filesize
164KB

Download
memory/4888-134-0x0000000004BD0000-0x0000000004EF0000-memory.dmp

Filesize
3.1MB

Download
memory/4888-135-0x0000000004A20000-0x0000000004AB0000-memory.dmp

Filesize
576KB

Download
memory/4928-133-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads