xloader | b0689ba526627ae1cefce61dde4198b704f4ce53f898e1222f6ce40b73bd391c

General

Target

YRS1504720.exe
Size

878KB
MD5

73aaabd4d5155a4ed6a37c6c33a21602
SHA1

ef08b0d3e5429b93c2496747c5163fc55044adbe
SHA256

b0689ba526627ae1cefce61dde4198b704f4ce53f898e1222f6ce40b73bd391c
SHA512

1732e3d6b606b99187f1f17d171f05ef99b808e111b752ccc9453c3d851ef187b7e7a61fb23905233f31c05f8146285deddcab5588502a5b6071af1a39938f14

Score

10^/10

xloader ahc8 loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

ahc8

Decoy

192451.com

wwwripostes.net

sirikhalsalaw.com

bitterbaybay.com

stella-scrubs.com

almanecermezcal.com

goodgood.online

translate-now.online

sincerefilm.com

quadrantforensics.com

johnfrenchart.com

plick-click.com

alnileen.com

tghi.xyz

172711.com

maymakita.com

punnyaseva.com

ukash-online.com

sho-yururi-blog.com

hebergement-solidaire.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/3108-138-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/3108-140-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/3704-147-0x0000000001300000-0x0000000001329000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

YRS1504720.exeYRS1504720.execscript.exe

description	pid	process	target process
PID 1972 set thread context of 3108	1972	YRS1504720.exe	YRS1504720.exe
PID 3108 set thread context of 3132	3108	YRS1504720.exe	Explorer.EXE
PID 3704 set thread context of 3132	3704	cscript.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 49 IoCs

Processes:

YRS1504720.exeYRS1504720.execscript.exe

pid	process
1972	YRS1504720.exe
1972	YRS1504720.exe
1972	YRS1504720.exe
1972	YRS1504720.exe
1972	YRS1504720.exe
3108	YRS1504720.exe
3108	YRS1504720.exe
3108	YRS1504720.exe
3108	YRS1504720.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe
3704	cscript.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3132 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

YRS1504720.execscript.exe

pid process

3108 YRS1504720.exe
3108 YRS1504720.exe
3108 YRS1504720.exe
3704 cscript.exe
3704 cscript.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

YRS1504720.exeYRS1504720.execscript.exe

description pid process

Token: SeDebugPrivilege 1972 YRS1504720.exe
Token: SeDebugPrivilege 3108 YRS1504720.exe
Token: SeDebugPrivilege 3704 cscript.exe

pid	process
3132	Explorer.EXE

pid	process
3108	YRS1504720.exe
3108	YRS1504720.exe
3108	YRS1504720.exe
3704	cscript.exe
3704	cscript.exe

description	pid	process
Token: SeDebugPrivilege	1972	YRS1504720.exe
Token: SeDebugPrivilege	3108	YRS1504720.exe
Token: SeDebugPrivilege	3704	cscript.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

YRS1504720.exeExplorer.EXEcscript.exe

description	pid	process	target process
PID 1972 wrote to memory of 2320	1972	YRS1504720.exe	YRS1504720.exe
PID 1972 wrote to memory of 2320	1972	YRS1504720.exe	YRS1504720.exe
PID 1972 wrote to memory of 2320	1972	YRS1504720.exe	YRS1504720.exe
PID 1972 wrote to memory of 3108	1972	YRS1504720.exe	YRS1504720.exe
PID 1972 wrote to memory of 3108	1972	YRS1504720.exe	YRS1504720.exe
PID 1972 wrote to memory of 3108	1972	YRS1504720.exe	YRS1504720.exe
PID 1972 wrote to memory of 3108	1972	YRS1504720.exe	YRS1504720.exe
PID 1972 wrote to memory of 3108	1972	YRS1504720.exe	YRS1504720.exe
PID 1972 wrote to memory of 3108	1972	YRS1504720.exe	YRS1504720.exe
PID 3132 wrote to memory of 3704	3132	Explorer.EXE	cscript.exe
PID 3132 wrote to memory of 3704	3132	Explorer.EXE	cscript.exe
PID 3132 wrote to memory of 3704	3132	Explorer.EXE	cscript.exe
PID 3704 wrote to memory of 2744	3704	cscript.exe	cmd.exe
PID 3704 wrote to memory of 2744	3704	cscript.exe	cmd.exe
PID 3704 wrote to memory of 2744	3704	cscript.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3132

C:\Users\Admin\AppData\Local\Temp\YRS1504720.exe
"C:\Users\Admin\AppData\Local\Temp\YRS1504720.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1972

C:\Users\Admin\AppData\Local\Temp\YRS1504720.exe
"C:\Users\Admin\AppData\Local\Temp\YRS1504720.exe"
3⤵
PID:2320

C:\Users\Admin\AppData\Local\Temp\YRS1504720.exe
"C:\Users\Admin\AppData\Local\Temp\YRS1504720.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3108

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:3704

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\YRS1504720.exe"
3⤵
PID:2744

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1972-130-0x00000000000A0000-0x0000000000184000-memory.dmp

Filesize
912KB

Download
memory/1972-131-0x00000000053F0000-0x0000000005994000-memory.dmp

Filesize
5.6MB

Download
memory/1972-132-0x0000000004FE0000-0x0000000005072000-memory.dmp

Filesize
584KB

Download
memory/1972-133-0x0000000005080000-0x000000000511C000-memory.dmp

Filesize
624KB

Download
memory/1972-134-0x0000000004F90000-0x0000000004F9A000-memory.dmp

Filesize
40KB

Download
memory/1972-135-0x00000000092E0000-0x0000000009346000-memory.dmp

Filesize
408KB

Download
memory/2320-136-0x0000000000000000-mapping.dmp

Download
memory/2744-145-0x0000000000000000-mapping.dmp

Download
memory/3108-142-0x0000000000ED0000-0x0000000000EE1000-memory.dmp

Filesize
68KB

Download
memory/3108-140-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3108-138-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3108-141-0x0000000000F10000-0x000000000125A000-memory.dmp

Filesize
3.3MB

Download
memory/3108-137-0x0000000000000000-mapping.dmp

Download
memory/3132-143-0x0000000002A70000-0x0000000002B32000-memory.dmp

Filesize
776KB

Download
memory/3132-150-0x00000000083F0000-0x000000000850E000-memory.dmp

Filesize
1.1MB

Download
memory/3704-144-0x0000000000000000-mapping.dmp

Download
memory/3704-146-0x00000000007D0000-0x00000000007F7000-memory.dmp

Filesize
156KB

Download
memory/3704-147-0x0000000001300000-0x0000000001329000-memory.dmp

Filesize
164KB

Download
memory/3704-148-0x0000000003440000-0x000000000378A000-memory.dmp

Filesize
3.3MB

Download
memory/3704-149-0x0000000003290000-0x0000000003320000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads