xloader | b34bc888551b9a603edf76a356a4c0fc290fac420d3c6df0decd0916970bfb9b

General

Target

DHL Delivery Documents.exe
Size

78KB
MD5

94743aae8b0eb58bf9849035dc640b3c
SHA1

089f398df4eb9cf0511038cff177ecd3fbc9715c
SHA256

b34bc888551b9a603edf76a356a4c0fc290fac420d3c6df0decd0916970bfb9b
SHA512

23b72e99ec9ad81a97d3b4902c020c7f27b3b156ca81bc5c818f9ecd88b40f6cfb3b9b436511e952de31a9c7841cf80e9019c0ad2a54d075ba5f1bf7e9e562b0

Score

10^/10

xloader zqzw loader persistence rat

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

Xloader Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/320-132-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/2596-155-0x0000000002B60000-0x0000000002B89000-memory.dmp	xloader

Sets service image path in registry 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Suspicious use of SetThreadContext 3 IoCs

Processes:

DHL Delivery Documents.exeaspnet_compiler.exeWWAHost.exe

description	pid	process	target process
PID 3504 set thread context of 320	3504	DHL Delivery Documents.exe	aspnet_compiler.exe
PID 320 set thread context of 2440	320	aspnet_compiler.exe	Explorer.EXE
PID 2596 set thread context of 2440	2596	WWAHost.exe	Explorer.EXE

Modifies data under HKEY_USERS 41 IoCs

Processes:

WaaSMedicAgent.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe

Suspicious behavior: EnumeratesProcesses 58 IoCs

Processes:

aspnet_compiler.exeWWAHost.exe

pid	process
320	aspnet_compiler.exe
320	aspnet_compiler.exe
320	aspnet_compiler.exe
320	aspnet_compiler.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe
2596	WWAHost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2440 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

aspnet_compiler.exeWWAHost.exe

pid process

320 aspnet_compiler.exe
320 aspnet_compiler.exe
320 aspnet_compiler.exe
2596 WWAHost.exe
2596 WWAHost.exe

pid	process
2440	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

DHL Delivery Documents.exeaspnet_compiler.exeWWAHost.exe

description	pid	process
Token: SeDebugPrivilege	3504	DHL Delivery Documents.exe
Token: SeDebugPrivilege	320	aspnet_compiler.exe
Token: SeDebugPrivilege	2596	WWAHost.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

DHL Delivery Documents.exeExplorer.EXEWWAHost.exe

description	pid	process	target process
PID 3504 wrote to memory of 320	3504	DHL Delivery Documents.exe	aspnet_compiler.exe
PID 3504 wrote to memory of 320	3504	DHL Delivery Documents.exe	aspnet_compiler.exe
PID 3504 wrote to memory of 320	3504	DHL Delivery Documents.exe	aspnet_compiler.exe
PID 3504 wrote to memory of 320	3504	DHL Delivery Documents.exe	aspnet_compiler.exe
PID 3504 wrote to memory of 320	3504	DHL Delivery Documents.exe	aspnet_compiler.exe
PID 3504 wrote to memory of 320	3504	DHL Delivery Documents.exe	aspnet_compiler.exe
PID 2440 wrote to memory of 2596	2440	Explorer.EXE	WWAHost.exe
PID 2440 wrote to memory of 2596	2440	Explorer.EXE	WWAHost.exe
PID 2440 wrote to memory of 2596	2440	Explorer.EXE	WWAHost.exe
PID 2596 wrote to memory of 2912	2596	WWAHost.exe	cmd.exe
PID 2596 wrote to memory of 2912	2596	WWAHost.exe	cmd.exe
PID 2596 wrote to memory of 2912	2596	WWAHost.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2440

C:\Users\Admin\AppData\Local\Temp\DHL Delivery Documents.exe
"C:\Users\Admin\AppData\Local\Temp\DHL Delivery Documents.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3504

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:320

C:\Windows\SysWOW64\WWAHost.exe
"C:\Windows\SysWOW64\WWAHost.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2596

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
3⤵
PID:2912

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe f87852be5b1160b56a8734c3ced8b7ac SQSLfwJpYki1XtwICMDPjw.0.1.0.0.0
1⤵
- Modifies data under HKEY_USERS
PID:3808

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k wusvcs -p
1⤵
PID:2756

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

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/320-132-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/320-134-0x0000000001030000-0x00000000017DA000-memory.dmp

Filesize
7.7MB

Download
memory/320-135-0x0000000001030000-0x00000000017DA000-memory.dmp

Filesize
7.7MB

Download
memory/2440-136-0x0000000007CA0000-0x0000000007D75000-memory.dmp

Filesize
852KB

Download
memory/2440-225-0x0000000007D80000-0x0000000007E32000-memory.dmp

Filesize
712KB

Download
memory/2596-155-0x0000000002B60000-0x0000000002B89000-memory.dmp

Filesize
164KB

Download
memory/2596-153-0x0000000000700000-0x00000000007DC000-memory.dmp

Filesize
880KB

Download
memory/2596-158-0x0000000003D80000-0x00000000040CA000-memory.dmp

Filesize
3.3MB

Download
memory/2596-224-0x0000000003AB0000-0x0000000003B40000-memory.dmp

Filesize
576KB

Download
memory/3504-130-0x0000000000D10000-0x0000000000D28000-memory.dmp

Filesize
96KB

Download
memory/3504-131-0x000000001DEC0000-0x000000001DEC2000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads