xloader | 3113b0fca0c98040820bffbc1dfb34b9252a73765a37de7d753f8d4cc318a425

General

Target

Purchase Order FEB22_76543.exe
Size

707KB
MD5

427ef5f4e1143ad34c33b26dc4681661
SHA1

673fb1a58e4707ad783d03ca97b3fbd8b4cad73a
SHA256

cd4ee025ad3406b7e572952d42465eee19649cef6c0d3a6acbb0e972096988f4
SHA512

b225afbb07853516f1b741e833e1a63026c0dc5adbb0c3fcfb48f8c6681bc770558499df3d3f5c17df45395dedc3624a1e8fa6498395ac20a82f44e27a61dfbb

Score

10^/10

xloader zqzw loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

zqzw

Decoy

laurentmathieu.com

nohohonndana.com

hhmc.info

shophallows.com

blazebunk.com

goodbridge.xyz

flakycloud.com

bakermckenziegroups.com

formation-adistance.com

lovingearthbotanicals.com

tbrservice.plus

heritagehousehotels.com

drwbuildersco.com

lacsghb.com

wain3x.com

dadreview.club

continiutycp.com

cockgirls.com

48mpt.xyz

033skz.xyz

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/4920-138-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/4920-144-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/3256-149-0x0000000000A80000-0x0000000000AA9000-memory.dmp	xloader

Suspicious use of SetThreadContext 4 IoCs

Processes:

Purchase Order FEB22_76543.exePurchase Order FEB22_76543.execscript.exe

description	pid	process	target process
PID 4184 set thread context of 4920	4184	Purchase Order FEB22_76543.exe	Purchase Order FEB22_76543.exe
PID 4920 set thread context of 656	4920	Purchase Order FEB22_76543.exe	Explorer.EXE
PID 4920 set thread context of 656	4920	Purchase Order FEB22_76543.exe	Explorer.EXE
PID 3256 set thread context of 656	3256	cscript.exe	Explorer.EXE

Drops file in Windows directory 8 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe

Suspicious behavior: EnumeratesProcesses 50 IoCs

Processes:

Purchase Order FEB22_76543.execscript.exe

pid	process
4920	Purchase Order FEB22_76543.exe
4920	Purchase Order FEB22_76543.exe
4920	Purchase Order FEB22_76543.exe
4920	Purchase Order FEB22_76543.exe
4920	Purchase Order FEB22_76543.exe
4920	Purchase Order FEB22_76543.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe
3256	cscript.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

656 Explorer.EXE

pid	process
656	Explorer.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

Purchase Order FEB22_76543.execscript.exe

pid	process
4920	Purchase Order FEB22_76543.exe
4920	Purchase Order FEB22_76543.exe
4920	Purchase Order FEB22_76543.exe
4920	Purchase Order FEB22_76543.exe
3256	cscript.exe
3256	cscript.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

svchost.exeTiWorker.exe

description	pid	process
Token: SeShutdownPrivilege	4472	svchost.exe
Token: SeCreatePagefilePrivilege	4472	svchost.exe
Token: SeShutdownPrivilege	4472	svchost.exe
Token: SeCreatePagefilePrivilege	4472	svchost.exe
Token: SeShutdownPrivilege	4472	svchost.exe
Token: SeCreatePagefilePrivilege	4472	svchost.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

656 Explorer.EXE

pid	process
656	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Purchase Order FEB22_76543.exeExplorer.EXEcscript.exe

description	pid	process	target process
PID 4184 wrote to memory of 4920	4184	Purchase Order FEB22_76543.exe	Purchase Order FEB22_76543.exe
PID 4184 wrote to memory of 4920	4184	Purchase Order FEB22_76543.exe	Purchase Order FEB22_76543.exe
PID 4184 wrote to memory of 4920	4184	Purchase Order FEB22_76543.exe	Purchase Order FEB22_76543.exe
PID 4184 wrote to memory of 4920	4184	Purchase Order FEB22_76543.exe	Purchase Order FEB22_76543.exe
PID 4184 wrote to memory of 4920	4184	Purchase Order FEB22_76543.exe	Purchase Order FEB22_76543.exe
PID 4184 wrote to memory of 4920	4184	Purchase Order FEB22_76543.exe	Purchase Order FEB22_76543.exe
PID 656 wrote to memory of 3256	656	Explorer.EXE	cscript.exe
PID 656 wrote to memory of 3256	656	Explorer.EXE	cscript.exe
PID 656 wrote to memory of 3256	656	Explorer.EXE	cscript.exe
PID 3256 wrote to memory of 4312	3256	cscript.exe	cmd.exe
PID 3256 wrote to memory of 4312	3256	cscript.exe	cmd.exe
PID 3256 wrote to memory of 4312	3256	cscript.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:656

C:\Users\Admin\AppData\Local\Temp\Purchase Order FEB22_76543.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order FEB22_76543.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4184

C:\Users\Admin\AppData\Local\Temp\Purchase Order FEB22_76543.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4920

C:\Windows\SysWOW64\cscript.exe
"C:\Windows\SysWOW64\cscript.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3256

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Purchase Order FEB22_76543.exe"
3⤵
PID:4312

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4472

C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2244

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/656-152-0x0000000008DF0000-0x0000000008ED1000-memory.dmp

Filesize
900KB

Download
memory/656-147-0x00000000091D0000-0x00000000092E1000-memory.dmp

Filesize
1.1MB

Download
memory/656-143-0x0000000009040000-0x00000000091D0000-memory.dmp

Filesize
1.6MB

Download
memory/3256-149-0x0000000000A80000-0x0000000000AA9000-memory.dmp

Filesize
164KB

Download
memory/3256-148-0x0000000000AF0000-0x0000000000B17000-memory.dmp

Filesize
156KB

Download
memory/3256-150-0x0000000002D30000-0x000000000307A000-memory.dmp

Filesize
3.3MB

Download
memory/3256-151-0x0000000002B60000-0x0000000002BF0000-memory.dmp

Filesize
576KB

Download
memory/4184-133-0x0000000004DA0000-0x0000000004E32000-memory.dmp

Filesize
584KB

Download
memory/4184-130-0x00000000000C0000-0x0000000000178000-memory.dmp

Filesize
736KB

Download
memory/4184-134-0x0000000004AA0000-0x0000000004AA1000-memory.dmp

Filesize
4KB

Download
memory/4184-132-0x0000000004D00000-0x0000000004D9C000-memory.dmp

Filesize
624KB

Download
memory/4184-131-0x000000007465E000-0x000000007465F000-memory.dmp

Filesize
4KB

Download
memory/4472-137-0x0000022319AD0000-0x0000022319AD4000-memory.dmp

Filesize
16KB

Download
memory/4472-136-0x0000022317420000-0x0000022317430000-memory.dmp

Filesize
64KB

Download
memory/4472-135-0x0000022316D50000-0x0000022316D60000-memory.dmp

Filesize
64KB

Download
memory/4920-141-0x000000000041D000-0x000000000041E000-memory.dmp

Filesize
4KB

Download
memory/4920-146-0x0000000001050000-0x0000000001061000-memory.dmp

Filesize
68KB

Download
memory/4920-145-0x000000000041D000-0x000000000041E000-memory.dmp

Filesize
4KB

Download
memory/4920-144-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4920-142-0x0000000000B10000-0x0000000000B21000-memory.dmp

Filesize
68KB

Download
memory/4920-139-0x0000000001090000-0x00000000013DA000-memory.dmp

Filesize
3.3MB

Download
memory/4920-138-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads