xloader | cd4ee025ad3406b7e572952d42465eee19649cef6c0d3a6acbb0e972096988f4

General

Target

DELIVERY DOCUMENTS.exe
Size

707KB
MD5

427ef5f4e1143ad34c33b26dc4681661
SHA1

673fb1a58e4707ad783d03ca97b3fbd8b4cad73a
SHA256

cd4ee025ad3406b7e572952d42465eee19649cef6c0d3a6acbb0e972096988f4
SHA512

b225afbb07853516f1b741e833e1a63026c0dc5adbb0c3fcfb48f8c6681bc770558499df3d3f5c17df45395dedc3624a1e8fa6498395ac20a82f44e27a61dfbb

Score

10^/10

xloader zqzw loader persistence rat spyware stealer 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
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata

Xloader Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2564-138-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/4860-145-0x0000000000870000-0x0000000000899000-memory.dmp	xloader

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

control.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	control.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\WNUP2F18EX = "C:\\Program Files (x86)\\Dmfv8\\jfblpdknl0cbmx.exe"	control.exe

Executes dropped EXE 2 IoCs

Processes:

jfblpdknl0cbmx.exejfblpdknl0cbmx.exe

pid process

116 jfblpdknl0cbmx.exe
3780 jfblpdknl0cbmx.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

pid	process
116	jfblpdknl0cbmx.exe
3780	jfblpdknl0cbmx.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

DELIVERY DOCUMENTS.exeDELIVERY DOCUMENTS.execontrol.exejfblpdknl0cbmx.exe

description	pid	process	target process
PID 4316 set thread context of 2564	4316	DELIVERY DOCUMENTS.exe	DELIVERY DOCUMENTS.exe
PID 2564 set thread context of 992	2564	DELIVERY DOCUMENTS.exe	Explorer.EXE
PID 4860 set thread context of 992	4860	control.exe	Explorer.EXE
PID 116 set thread context of 3780	116	jfblpdknl0cbmx.exe	jfblpdknl0cbmx.exe

Drops file in Program Files directory 4 IoCs

Processes:

Explorer.EXEcontrol.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Dmfv8\jfblpdknl0cbmx.exe	Explorer.EXE
File opened for modification	C:\Program Files (x86)\Dmfv8\jfblpdknl0cbmx.exe	control.exe
File opened for modification	C:\Program Files (x86)\Dmfv8	Explorer.EXE
File created	C:\Program Files (x86)\Dmfv8\jfblpdknl0cbmx.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\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
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

control.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	control.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

DELIVERY DOCUMENTS.exeDELIVERY DOCUMENTS.execontrol.exe

pid	process
4316	DELIVERY DOCUMENTS.exe
4316	DELIVERY DOCUMENTS.exe
2564	DELIVERY DOCUMENTS.exe
2564	DELIVERY DOCUMENTS.exe
2564	DELIVERY DOCUMENTS.exe
2564	DELIVERY DOCUMENTS.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

992 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

DELIVERY DOCUMENTS.execontrol.exe

pid process

2564 DELIVERY DOCUMENTS.exe
2564 DELIVERY DOCUMENTS.exe
2564 DELIVERY DOCUMENTS.exe
4860 control.exe
4860 control.exe
4860 control.exe
4860 control.exe

pid	process
992	Explorer.EXE

pid	process
2564	DELIVERY DOCUMENTS.exe
2564	DELIVERY DOCUMENTS.exe
2564	DELIVERY DOCUMENTS.exe
4860	control.exe
4860	control.exe
4860	control.exe
4860	control.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

svchost.exeTiWorker.exe

description	pid	process
Token: SeShutdownPrivilege	3092	svchost.exe
Token: SeCreatePagefilePrivilege	3092	svchost.exe
Token: SeShutdownPrivilege	3092	svchost.exe
Token: SeCreatePagefilePrivilege	3092	svchost.exe
Token: SeShutdownPrivilege	3092	svchost.exe
Token: SeCreatePagefilePrivilege	3092	svchost.exe
Token: SeSecurityPrivilege	3512	TiWorker.exe
Token: SeRestorePrivilege	3512	TiWorker.exe
Token: SeBackupPrivilege	3512	TiWorker.exe
Token: SeBackupPrivilege	3512	TiWorker.exe
Token: SeRestorePrivilege	3512	TiWorker.exe
Token: SeSecurityPrivilege	3512	TiWorker.exe
Token: SeBackupPrivilege	3512	TiWorker.exe
Token: SeRestorePrivilege	3512	TiWorker.exe
Token: SeSecurityPrivilege	3512	TiWorker.exe
Token: SeBackupPrivilege	3512	TiWorker.exe
Token: SeRestorePrivilege	3512	TiWorker.exe
Token: SeSecurityPrivilege	3512	TiWorker.exe
Token: SeBackupPrivilege	3512	TiWorker.exe
Token: SeRestorePrivilege	3512	TiWorker.exe
Token: SeSecurityPrivilege	3512	TiWorker.exe
Token: SeBackupPrivilege	3512	TiWorker.exe
Token: SeRestorePrivilege	3512	TiWorker.exe
Token: SeSecurityPrivilege	3512	TiWorker.exe
Token: SeBackupPrivilege	3512	TiWorker.exe
Token: SeRestorePrivilege	3512	TiWorker.exe
Token: SeSecurityPrivilege	3512	TiWorker.exe
Token: SeBackupPrivilege	3512	TiWorker.exe
Token: SeRestorePrivilege	3512	TiWorker.exe
Token: SeSecurityPrivilege	3512	TiWorker.exe
Token: SeBackupPrivilege	3512	TiWorker.exe
Token: SeRestorePrivilege	3512	TiWorker.exe
Token: SeSecurityPrivilege	3512	TiWorker.exe
Token: SeBackupPrivilege	3512	TiWorker.exe
Token: SeRestorePrivilege	3512	TiWorker.exe
Token: SeSecurityPrivilege	3512	TiWorker.exe
Token: SeBackupPrivilege	3512	TiWorker.exe
Token: SeRestorePrivilege	3512	TiWorker.exe
Token: SeSecurityPrivilege	3512	TiWorker.exe
Token: SeBackupPrivilege	3512	TiWorker.exe
Token: SeRestorePrivilege	3512	TiWorker.exe
Token: SeSecurityPrivilege	3512	TiWorker.exe
Token: SeBackupPrivilege	3512	TiWorker.exe
Token: SeRestorePrivilege	3512	TiWorker.exe
Token: SeSecurityPrivilege	3512	TiWorker.exe
Token: SeBackupPrivilege	3512	TiWorker.exe
Token: SeRestorePrivilege	3512	TiWorker.exe
Token: SeSecurityPrivilege	3512	TiWorker.exe
Token: SeBackupPrivilege	3512	TiWorker.exe
Token: SeRestorePrivilege	3512	TiWorker.exe
Token: SeSecurityPrivilege	3512	TiWorker.exe
Token: SeBackupPrivilege	3512	TiWorker.exe
Token: SeRestorePrivilege	3512	TiWorker.exe
Token: SeSecurityPrivilege	3512	TiWorker.exe
Token: SeBackupPrivilege	3512	TiWorker.exe
Token: SeRestorePrivilege	3512	TiWorker.exe
Token: SeSecurityPrivilege	3512	TiWorker.exe
Token: SeBackupPrivilege	3512	TiWorker.exe
Token: SeRestorePrivilege	3512	TiWorker.exe
Token: SeSecurityPrivilege	3512	TiWorker.exe
Token: SeBackupPrivilege	3512	TiWorker.exe
Token: SeRestorePrivilege	3512	TiWorker.exe
Token: SeSecurityPrivilege	3512	TiWorker.exe
Token: SeBackupPrivilege	3512	TiWorker.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

992 Explorer.EXE

pid	process
992	Explorer.EXE

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

DELIVERY DOCUMENTS.exeExplorer.EXEcontrol.exejfblpdknl0cbmx.exe

description	pid	process	target process
PID 4316 wrote to memory of 1488	4316	DELIVERY DOCUMENTS.exe	DELIVERY DOCUMENTS.exe
PID 4316 wrote to memory of 1488	4316	DELIVERY DOCUMENTS.exe	DELIVERY DOCUMENTS.exe
PID 4316 wrote to memory of 1488	4316	DELIVERY DOCUMENTS.exe	DELIVERY DOCUMENTS.exe
PID 4316 wrote to memory of 2564	4316	DELIVERY DOCUMENTS.exe	DELIVERY DOCUMENTS.exe
PID 4316 wrote to memory of 2564	4316	DELIVERY DOCUMENTS.exe	DELIVERY DOCUMENTS.exe
PID 4316 wrote to memory of 2564	4316	DELIVERY DOCUMENTS.exe	DELIVERY DOCUMENTS.exe
PID 4316 wrote to memory of 2564	4316	DELIVERY DOCUMENTS.exe	DELIVERY DOCUMENTS.exe
PID 4316 wrote to memory of 2564	4316	DELIVERY DOCUMENTS.exe	DELIVERY DOCUMENTS.exe
PID 4316 wrote to memory of 2564	4316	DELIVERY DOCUMENTS.exe	DELIVERY DOCUMENTS.exe
PID 992 wrote to memory of 4860	992	Explorer.EXE	control.exe
PID 992 wrote to memory of 4860	992	Explorer.EXE	control.exe
PID 992 wrote to memory of 4860	992	Explorer.EXE	control.exe
PID 4860 wrote to memory of 2068	4860	control.exe	cmd.exe
PID 4860 wrote to memory of 2068	4860	control.exe	cmd.exe
PID 4860 wrote to memory of 2068	4860	control.exe	cmd.exe
PID 4860 wrote to memory of 4780	4860	control.exe	cmd.exe
PID 4860 wrote to memory of 4780	4860	control.exe	cmd.exe
PID 4860 wrote to memory of 4780	4860	control.exe	cmd.exe
PID 4860 wrote to memory of 4568	4860	control.exe	Firefox.exe
PID 4860 wrote to memory of 4568	4860	control.exe	Firefox.exe
PID 992 wrote to memory of 116	992	Explorer.EXE	jfblpdknl0cbmx.exe
PID 992 wrote to memory of 116	992	Explorer.EXE	jfblpdknl0cbmx.exe
PID 992 wrote to memory of 116	992	Explorer.EXE	jfblpdknl0cbmx.exe
PID 4860 wrote to memory of 4568	4860	control.exe	Firefox.exe
PID 116 wrote to memory of 3780	116	jfblpdknl0cbmx.exe	jfblpdknl0cbmx.exe
PID 116 wrote to memory of 3780	116	jfblpdknl0cbmx.exe	jfblpdknl0cbmx.exe
PID 116 wrote to memory of 3780	116	jfblpdknl0cbmx.exe	jfblpdknl0cbmx.exe
PID 116 wrote to memory of 3780	116	jfblpdknl0cbmx.exe	jfblpdknl0cbmx.exe
PID 116 wrote to memory of 3780	116	jfblpdknl0cbmx.exe	jfblpdknl0cbmx.exe
PID 116 wrote to memory of 3780	116	jfblpdknl0cbmx.exe	jfblpdknl0cbmx.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Drops file in Program Files directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:992

C:\Users\Admin\AppData\Local\Temp\DELIVERY DOCUMENTS.exe
"C:\Users\Admin\AppData\Local\Temp\DELIVERY DOCUMENTS.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4316

C:\Users\Admin\AppData\Local\Temp\DELIVERY DOCUMENTS.exe
"{path}"
3⤵
PID:1488

C:\Users\Admin\AppData\Local\Temp\DELIVERY DOCUMENTS.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2564

C:\Windows\SysWOW64\control.exe
"C:\Windows\SysWOW64\control.exe"
2⤵
- Adds policy Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4860

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\DELIVERY DOCUMENTS.exe"
3⤵
PID:2068

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:4780

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:4568

C:\Program Files (x86)\Dmfv8\jfblpdknl0cbmx.exe
"C:\Program Files (x86)\Dmfv8\jfblpdknl0cbmx.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:116

C:\Program Files (x86)\Dmfv8\jfblpdknl0cbmx.exe
"{path}"
3⤵
- Executes dropped EXE
PID:3780

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:3092

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:3512

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Program Files (x86)\Dmfv8\jfblpdknl0cbmx.exe
MD5
427ef5f4e1143ad34c33b26dc4681661

SHA1
673fb1a58e4707ad783d03ca97b3fbd8b4cad73a

SHA256
cd4ee025ad3406b7e572952d42465eee19649cef6c0d3a6acbb0e972096988f4

SHA512
b225afbb07853516f1b741e833e1a63026c0dc5adbb0c3fcfb48f8c6681bc770558499df3d3f5c17df45395dedc3624a1e8fa6498395ac20a82f44e27a61dfbb

Download Submit
C:\Program Files (x86)\Dmfv8\jfblpdknl0cbmx.exe
MD5
427ef5f4e1143ad34c33b26dc4681661

SHA1
673fb1a58e4707ad783d03ca97b3fbd8b4cad73a

SHA256
cd4ee025ad3406b7e572952d42465eee19649cef6c0d3a6acbb0e972096988f4

SHA512
b225afbb07853516f1b741e833e1a63026c0dc5adbb0c3fcfb48f8c6681bc770558499df3d3f5c17df45395dedc3624a1e8fa6498395ac20a82f44e27a61dfbb

Download Submit
C:\Program Files (x86)\Dmfv8\jfblpdknl0cbmx.exe
MD5
427ef5f4e1143ad34c33b26dc4681661

SHA1
673fb1a58e4707ad783d03ca97b3fbd8b4cad73a

SHA256
cd4ee025ad3406b7e572952d42465eee19649cef6c0d3a6acbb0e972096988f4

SHA512
b225afbb07853516f1b741e833e1a63026c0dc5adbb0c3fcfb48f8c6681bc770558499df3d3f5c17df45395dedc3624a1e8fa6498395ac20a82f44e27a61dfbb

Download Submit
C:\Users\Admin\AppData\Local\Temp\DB1
MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
memory/116-153-0x0000000004A40000-0x0000000004A41000-memory.dmp

Filesize
4KB

Download
memory/116-152-0x0000000072DAE000-0x0000000072DAF000-memory.dmp

Filesize
4KB

Download
memory/992-143-0x0000000008260000-0x000000000834A000-memory.dmp

Filesize
936KB

Download
memory/992-148-0x0000000008AA0000-0x0000000008C10000-memory.dmp

Filesize
1.4MB

Download
memory/2564-138-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2564-141-0x000000000041D000-0x000000000041E000-memory.dmp

Filesize
4KB

Download
memory/2564-140-0x0000000001080000-0x00000000013CA000-memory.dmp

Filesize
3.3MB

Download
memory/2564-142-0x0000000000D90000-0x0000000000DA1000-memory.dmp

Filesize
68KB

Download
memory/3092-137-0x0000025431D80000-0x0000025431D84000-memory.dmp

Filesize
16KB

Download
memory/3092-135-0x000002542E9A0000-0x000002542E9B0000-memory.dmp

Filesize
64KB

Download
memory/3092-160-0x0000025431CA0000-0x0000025431CA1000-memory.dmp

Filesize
4KB

Download
memory/3092-158-0x0000025431CE0000-0x0000025431CE1000-memory.dmp

Filesize
4KB

Download
memory/3092-157-0x0000025431DA0000-0x0000025431DA4000-memory.dmp

Filesize
16KB

Download
memory/3092-136-0x000002542F160000-0x000002542F170000-memory.dmp

Filesize
64KB

Download
memory/3780-156-0x00000000015E0000-0x000000000192A000-memory.dmp

Filesize
3.3MB

Download
memory/4316-132-0x0000000004D80000-0x0000000004D81000-memory.dmp

Filesize
4KB

Download
memory/4316-134-0x0000000005060000-0x00000000050F2000-memory.dmp

Filesize
584KB

Download
memory/4316-133-0x0000000004FC0000-0x000000000505C000-memory.dmp

Filesize
624KB

Download
memory/4316-131-0x000000007444E000-0x000000007444F000-memory.dmp

Filesize
4KB

Download
memory/4316-130-0x00000000003F0000-0x00000000004A8000-memory.dmp

Filesize
736KB

Download
memory/4860-144-0x0000000000840000-0x0000000000867000-memory.dmp

Filesize
156KB

Download
memory/4860-147-0x0000000002860000-0x00000000028F0000-memory.dmp

Filesize
576KB

Download
memory/4860-145-0x0000000000870000-0x0000000000899000-memory.dmp

Filesize
164KB

Download
memory/4860-146-0x0000000002A10000-0x0000000002D5A000-memory.dmp

Filesize
3.3MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads