xloader | 65d63079af57f5ae33cb341bc94f3882d2516efc82a0373775c564759aeb862e

General

Target

New purchase Order.exe
Size

889KB
MD5

69f2093d0e8722210b96012212776ece
SHA1

910fc996781777fe1fce27b115914e6f82097391
SHA256

65d63079af57f5ae33cb341bc94f3882d2516efc82a0373775c564759aeb862e
SHA512

a05aa45f224b03a849bc488677fd79b8b251880c154bb9c0f9ab58de5deccf785b121f8f35ddd175329de09ac1d1e4add884203c71e6c4f62b470a075f578d47

Score

10^/10

xloader a8hq loader persistence rat spyware stealer suricata

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

a8hq

Decoy

veteransductcleaning.com

beajtjunkies.com

houseofascofi.com

scottsdalemediator.com

atelyadesign.com

profitcase.pro

imtokenio.club

qinglingpai.com

bigsmile-meal.net

daytonlivestream.com

aspiradores10.online

ytybs120.com

hdatelier.com

bearpierce.com

yeson28ca.com

booklearner.com

m8j9.club

mmophamthinhlegend.space

hq4a7o6zb.com

sophiadaki.online

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 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1328-136-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral2/memory/1328-138-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral2/memory/2344-145-0x0000000001030000-0x000000000105B000-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:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ZLMDFTBP = "C:\\Program Files (x86)\\Wbls\\nt7pkzigz3dufw.exe"	rundll32.exe

Blocklisted process makes network request 1 IoCs

Processes:

rundll32.exe

flow pid process

90 2344 rundll32.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

flow	pid	process
90	2344	rundll32.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

New purchase Order.exeNew purchase Order.exerundll32.exe

description	pid	process	target process
PID 2824 set thread context of 1328	2824	New purchase Order.exe	New purchase Order.exe
PID 1328 set thread context of 2040	1328	New purchase Order.exe	Explorer.EXE
PID 2344 set thread context of 2040	2344	rundll32.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File opened for modification C:\Program Files (x86)\Wbls\nt7pkzigz3dufw.exe rundll32.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Wbls\nt7pkzigz3dufw.exe	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

rundll32.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	rundll32.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

Processes:

New purchase Order.exerundll32.exe

pid	process
1328	New purchase Order.exe
1328	New purchase Order.exe
1328	New purchase Order.exe
1328	New purchase Order.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2040 Explorer.EXE

pid	process
2040	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

New purchase Order.exerundll32.exe

pid	process
1328	New purchase Order.exe
1328	New purchase Order.exe
1328	New purchase Order.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

New purchase Order.exerundll32.exe

description pid process

Token: SeDebugPrivilege 1328 New purchase Order.exe
Token: SeDebugPrivilege 2344 rundll32.exe

description	pid	process
Token: SeDebugPrivilege	1328	New purchase Order.exe
Token: SeDebugPrivilege	2344	rundll32.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

New purchase Order.exeExplorer.EXErundll32.exe

description	pid	process	target process
PID 2824 wrote to memory of 1328	2824	New purchase Order.exe	New purchase Order.exe
PID 2824 wrote to memory of 1328	2824	New purchase Order.exe	New purchase Order.exe
PID 2824 wrote to memory of 1328	2824	New purchase Order.exe	New purchase Order.exe
PID 2824 wrote to memory of 1328	2824	New purchase Order.exe	New purchase Order.exe
PID 2824 wrote to memory of 1328	2824	New purchase Order.exe	New purchase Order.exe
PID 2824 wrote to memory of 1328	2824	New purchase Order.exe	New purchase Order.exe
PID 2040 wrote to memory of 2344	2040	Explorer.EXE	rundll32.exe
PID 2040 wrote to memory of 2344	2040	Explorer.EXE	rundll32.exe
PID 2040 wrote to memory of 2344	2040	Explorer.EXE	rundll32.exe
PID 2344 wrote to memory of 208	2344	rundll32.exe	cmd.exe
PID 2344 wrote to memory of 208	2344	rundll32.exe	cmd.exe
PID 2344 wrote to memory of 208	2344	rundll32.exe	cmd.exe
PID 2344 wrote to memory of 2572	2344	rundll32.exe	cmd.exe
PID 2344 wrote to memory of 2572	2344	rundll32.exe	cmd.exe
PID 2344 wrote to memory of 2572	2344	rundll32.exe	cmd.exe
PID 2344 wrote to memory of 2624	2344	rundll32.exe	cmd.exe
PID 2344 wrote to memory of 2624	2344	rundll32.exe	cmd.exe
PID 2344 wrote to memory of 2624	2344	rundll32.exe	cmd.exe
PID 2344 wrote to memory of 3408	2344	rundll32.exe	Firefox.exe
PID 2344 wrote to memory of 3408	2344	rundll32.exe	Firefox.exe
PID 2344 wrote to memory of 3408	2344	rundll32.exe	Firefox.exe

System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

rundll32.exe

description ioc process

Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer rundll32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer	rundll32.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2040

C:\Users\Admin\AppData\Local\Temp\New purchase Order.exe
"C:\Users\Admin\AppData\Local\Temp\New purchase Order.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2824

C:\Users\Admin\AppData\Local\Temp\New purchase Order.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1328

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\SysWOW64\rundll32.exe"
2⤵
- Adds policy Run key to start application
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2344

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\New purchase Order.exe"
3⤵
PID:208

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:2572

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:2624

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:3408

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

3

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:\Users\Admin\AppData\Local\Temp\DB1
Filesize
40KB

MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\DB1
Filesize
48KB

MD5
349e6eb110e34a08924d92f6b334801d

SHA1
bdfb289daff51890cc71697b6322aa4b35ec9169

SHA256
c9fd7be4579e4aa942e8c2b44ab10115fa6c2fe6afd0c584865413d9d53f3b2a

SHA512
2a635b815a5e117ea181ee79305ee1baf591459427acc5210d8c6c7e447be3513ead871c605eb3d32e4ab4111b2a335f26520d0ef8c1245a4af44e1faec44574

Download Submit
memory/208-143-0x0000000000000000-mapping.dmp

Download
memory/1328-139-0x0000000001590000-0x00000000018DA000-memory.dmp

Filesize
3.3MB

Download
memory/1328-140-0x00000000010A0000-0x00000000010B1000-memory.dmp

Filesize
68KB

Download
memory/1328-135-0x0000000000000000-mapping.dmp

Download
memory/1328-136-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1328-138-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2040-141-0x00000000029C0000-0x0000000002ABF000-memory.dmp

Filesize
1020KB

Download
memory/2040-148-0x00000000080B0000-0x0000000008200000-memory.dmp

Filesize
1.3MB

Download
memory/2344-145-0x0000000001030000-0x000000000105B000-memory.dmp

Filesize
172KB

Download
memory/2344-142-0x0000000000000000-mapping.dmp

Download
memory/2344-147-0x0000000002E60000-0x0000000002EF0000-memory.dmp

Filesize
576KB

Download
memory/2344-144-0x0000000000A30000-0x0000000000A44000-memory.dmp

Filesize
80KB

Download
memory/2344-146-0x0000000002F10000-0x000000000325A000-memory.dmp

Filesize
3.3MB

Download
memory/2572-149-0x0000000000000000-mapping.dmp

Download
memory/2624-151-0x0000000000000000-mapping.dmp

Download
memory/2824-133-0x0000000004E10000-0x0000000004EAC000-memory.dmp

Filesize
624KB

Download
memory/2824-130-0x00000000003F0000-0x00000000004D4000-memory.dmp

Filesize
912KB

Download
memory/2824-134-0x0000000004D40000-0x0000000004D4A000-memory.dmp

Filesize
40KB

Download
memory/2824-132-0x0000000004D70000-0x0000000004E02000-memory.dmp

Filesize
584KB

Download
memory/2824-131-0x0000000005480000-0x0000000005A24000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads