xloader | 0cf451892cf34cdc6c9d7264b6be01721b2294e673d5fa0907c9c536963d0cb4

General

Target

Shipping Document.exe
Size

609KB
MD5

cdb997600be6215980e8bacd253f329c
SHA1

b405b6edee2d638c1bd768a550272fdf4e541aab
SHA256

0cf451892cf34cdc6c9d7264b6be01721b2294e673d5fa0907c9c536963d0cb4
SHA512

444313a5e34595f0fb2c624bac9bc0fe1b52956541315874c5cd79a8ee330d192f99b7f3ac856b0b1b95e532574ac66444da069a7e57605e52bd6d8a9f2f5499

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

Xloader Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4668-136-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral2/memory/4868-144-0x00000000007A0000-0x00000000007CB000-memory.dmp	xloader

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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

chkdsk.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	chkdsk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\YPIP8TBP8 = "C:\\Program Files (x86)\\Ktjm0-\\certmgrv4_tqxz.exe"	chkdsk.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Shipping Document.exeShipping Document.exechkdsk.exe

description	pid	process	target process
PID 4408 set thread context of 4668	4408	Shipping Document.exe	Shipping Document.exe
PID 4668 set thread context of 2608	4668	Shipping Document.exe	Explorer.EXE
PID 4868 set thread context of 2608	4868	chkdsk.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

chkdsk.exe

description ioc process

File opened for modification C:\Program Files (x86)\Ktjm0-\certmgrv4_tqxz.exe chkdsk.exe
Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

chkdsk.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier chkdsk.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Ktjm0-\certmgrv4_tqxz.exe	chkdsk.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

chkdsk.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 40 IoCs

Processes:

Shipping Document.exechkdsk.exe

pid	process
4668	Shipping Document.exe
4668	Shipping Document.exe
4668	Shipping Document.exe
4668	Shipping Document.exe
4868	chkdsk.exe
4868	chkdsk.exe
4868	chkdsk.exe
4868	chkdsk.exe
4868	chkdsk.exe
4868	chkdsk.exe
4868	chkdsk.exe
4868	chkdsk.exe
4868	chkdsk.exe
4868	chkdsk.exe
4868	chkdsk.exe
4868	chkdsk.exe
4868	chkdsk.exe
4868	chkdsk.exe
4868	chkdsk.exe
4868	chkdsk.exe
4868	chkdsk.exe
4868	chkdsk.exe
4868	chkdsk.exe
4868	chkdsk.exe
4868	chkdsk.exe
4868	chkdsk.exe
4868	chkdsk.exe
4868	chkdsk.exe
4868	chkdsk.exe
4868	chkdsk.exe
4868	chkdsk.exe
4868	chkdsk.exe
4868	chkdsk.exe
4868	chkdsk.exe
4868	chkdsk.exe
4868	chkdsk.exe
4868	chkdsk.exe
4868	chkdsk.exe
4868	chkdsk.exe
4868	chkdsk.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2608 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

Shipping Document.exechkdsk.exe

pid process

4668 Shipping Document.exe
4668 Shipping Document.exe
4668 Shipping Document.exe
4868 chkdsk.exe
4868 chkdsk.exe
4868 chkdsk.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Shipping Document.exechkdsk.exe

description pid process

Token: SeDebugPrivilege 4668 Shipping Document.exe
Token: SeDebugPrivilege 4868 chkdsk.exe

pid	process
2608	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	4668	Shipping Document.exe
Token: SeDebugPrivilege	4868	chkdsk.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

Shipping Document.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 4408 wrote to memory of 4668	4408	Shipping Document.exe	Shipping Document.exe
PID 4408 wrote to memory of 4668	4408	Shipping Document.exe	Shipping Document.exe
PID 4408 wrote to memory of 4668	4408	Shipping Document.exe	Shipping Document.exe
PID 4408 wrote to memory of 4668	4408	Shipping Document.exe	Shipping Document.exe
PID 4408 wrote to memory of 4668	4408	Shipping Document.exe	Shipping Document.exe
PID 4408 wrote to memory of 4668	4408	Shipping Document.exe	Shipping Document.exe
PID 2608 wrote to memory of 4868	2608	Explorer.EXE	chkdsk.exe
PID 2608 wrote to memory of 4868	2608	Explorer.EXE	chkdsk.exe
PID 2608 wrote to memory of 4868	2608	Explorer.EXE	chkdsk.exe
PID 4868 wrote to memory of 4744	4868	chkdsk.exe	cmd.exe
PID 4868 wrote to memory of 4744	4868	chkdsk.exe	cmd.exe
PID 4868 wrote to memory of 4744	4868	chkdsk.exe	cmd.exe
PID 4868 wrote to memory of 5084	4868	chkdsk.exe	cmd.exe
PID 4868 wrote to memory of 5084	4868	chkdsk.exe	cmd.exe
PID 4868 wrote to memory of 5084	4868	chkdsk.exe	cmd.exe
PID 4868 wrote to memory of 1256	4868	chkdsk.exe	cmd.exe
PID 4868 wrote to memory of 1256	4868	chkdsk.exe	cmd.exe
PID 4868 wrote to memory of 1256	4868	chkdsk.exe	cmd.exe
PID 4868 wrote to memory of 4108	4868	chkdsk.exe	Firefox.exe
PID 4868 wrote to memory of 4108	4868	chkdsk.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2608

C:\Users\Admin\AppData\Local\Temp\Shipping Document.exe
"C:\Users\Admin\AppData\Local\Temp\Shipping Document.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4408

C:\Users\Admin\AppData\Local\Temp\Shipping Document.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4668

C:\Windows\SysWOW64\chkdsk.exe
"C:\Windows\SysWOW64\chkdsk.exe"
2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4868

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Shipping Document.exe"
3⤵
PID:4744

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:5084

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:1256

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:4108

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

Query Registry

1

T1012

System Information Discovery

1

T1082

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/1256-150-0x0000000000000000-mapping.dmp

Download
memory/2608-140-0x00000000084A0000-0x00000000085D6000-memory.dmp

Filesize
1.2MB

Download
memory/2608-147-0x0000000008690000-0x00000000087A4000-memory.dmp

Filesize
1.1MB

Download
memory/4408-133-0x0000000005A90000-0x0000000005B2C000-memory.dmp

Filesize
624KB

Download
memory/4408-130-0x0000000000EA0000-0x0000000000F3E000-memory.dmp

Filesize
632KB

Download
memory/4408-134-0x00000000058B0000-0x00000000058BA000-memory.dmp

Filesize
40KB

Download
memory/4408-132-0x00000000058C0000-0x0000000005952000-memory.dmp

Filesize
584KB

Download
memory/4408-131-0x0000000005FA0000-0x0000000006544000-memory.dmp

Filesize
5.6MB

Download
memory/4668-136-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4668-138-0x0000000001210000-0x000000000155A000-memory.dmp

Filesize
3.3MB

Download
memory/4668-139-0x0000000001160000-0x0000000001171000-memory.dmp

Filesize
68KB

Download
memory/4668-135-0x0000000000000000-mapping.dmp

Download
memory/4744-142-0x0000000000000000-mapping.dmp

Download
memory/4868-141-0x0000000000000000-mapping.dmp

Download
memory/4868-146-0x0000000001070000-0x0000000001100000-memory.dmp

Filesize
576KB

Download
memory/4868-145-0x0000000001190000-0x00000000014DA000-memory.dmp

Filesize
3.3MB

Download
memory/4868-144-0x00000000007A0000-0x00000000007CB000-memory.dmp

Filesize
172KB

Download
memory/4868-143-0x0000000000B90000-0x0000000000B9A000-memory.dmp

Filesize
40KB

Download
memory/5084-148-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads