xloader | 4980f397fa276495555867b7628497c7cba519309051cc1cb9b43c4270103316

General

Target

tmp.exe
Size

1.8MB
MD5

0ab42dccaffb5ec1d149601908014b50
SHA1

434182962a57e9cc7aa4b242d901a098402b485e
SHA256

4980f397fa276495555867b7628497c7cba519309051cc1cb9b43c4270103316
SHA512

c5501b92dc64cc59e75d8ab52c5b186e86071405dde1784b2af2057e0b7a894607410c648dd1a1f7dfbe9a699ad8e427246afe016e35ee3732e96812c6e11e4c

Score

10^/10

xloader zgtb loader persistence rat spyware stealer suricata

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

zgtb

Decoy

gabriellep.com

honghe4.xyz

anisaofrendas.com

happy-tile.com

thesulkies.com

international-ipo.com

tazeco.info

hhhzzz.xyz

vrmonster.xyz

theearthresidencia.com

sportape.xyz

elshadaibaterias.com

koredeiihibi.com

taxtaa.com

globalcityb.com

fxivcama.com

dagsmith.com

elmar-bhp.com

peakice.net

jhcdjewelry.com

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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4640-134-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral2/memory/4640-140-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral2/memory/4616-143-0x0000000000CD0000-0x0000000000CFB000-memory.dmp	xloader
behavioral2/memory/4616-147-0x0000000000CD0000-0x0000000000CFB000-memory.dmp	xloader

Executes dropped EXE 1 IoCs

Processes:

kpx4avdfpwfw0.exe

pid process

5060 kpx4avdfpwfw0.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
5060	kpx4avdfpwfw0.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

NETSTAT.EXE

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\NHNHDBEH1F = "C:\\Program Files (x86)\\Cfhkd5xd\\kpx4avdfpwfw0.exe"	NETSTAT.EXE
Key created	\Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	NETSTAT.EXE

Suspicious use of SetThreadContext 3 IoCs

Processes:

tmp.exeiscsicpl.exeNETSTAT.EXE

description	pid	process	target process
PID 2344 set thread context of 4640	2344	tmp.exe	iscsicpl.exe
PID 4640 set thread context of 3064	4640	iscsicpl.exe	Explorer.EXE
PID 4616 set thread context of 3064	4616	NETSTAT.EXE	Explorer.EXE

Drops file in Program Files directory 4 IoCs

Processes:

NETSTAT.EXEExplorer.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\Cfhkd5xd\kpx4avdfpwfw0.exe	NETSTAT.EXE
File opened for modification	C:\Program Files (x86)\Cfhkd5xd	Explorer.EXE
File created	C:\Program Files (x86)\Cfhkd5xd\kpx4avdfpwfw0.exe	Explorer.EXE
File opened for modification	C:\Program Files (x86)\Cfhkd5xd\kpx4avdfpwfw0.exe	Explorer.EXE

Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

NETSTAT.EXE

pid process

4616 NETSTAT.EXE

pid	process
4616	NETSTAT.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

NETSTAT.EXE

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

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

tmp.exeiscsicpl.exeNETSTAT.EXE

pid	process
2344	tmp.exe
2344	tmp.exe
2344	tmp.exe
2344	tmp.exe
2344	tmp.exe
2344	tmp.exe
2344	tmp.exe
2344	tmp.exe
4640	iscsicpl.exe
4640	iscsicpl.exe
4640	iscsicpl.exe
4640	iscsicpl.exe
2344	tmp.exe
2344	tmp.exe
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3064 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

iscsicpl.exeNETSTAT.EXE

pid process

4640 iscsicpl.exe
4640 iscsicpl.exe
4640 iscsicpl.exe
4616 NETSTAT.EXE
4616 NETSTAT.EXE
4616 NETSTAT.EXE
4616 NETSTAT.EXE

pid	process
3064	Explorer.EXE

pid	process
4640	iscsicpl.exe
4640	iscsicpl.exe
4640	iscsicpl.exe
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE
4616	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 21 IoCs

Processes:

tmp.exeiscsicpl.exeNETSTAT.EXEExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	2344	tmp.exe
Token: SeDebugPrivilege	4640	iscsicpl.exe
Token: SeDebugPrivilege	4616	NETSTAT.EXE
Token: SeShutdownPrivilege	3064	Explorer.EXE
Token: SeCreatePagefilePrivilege	3064	Explorer.EXE
Token: SeShutdownPrivilege	3064	Explorer.EXE
Token: SeCreatePagefilePrivilege	3064	Explorer.EXE
Token: SeShutdownPrivilege	3064	Explorer.EXE
Token: SeCreatePagefilePrivilege	3064	Explorer.EXE
Token: SeShutdownPrivilege	3064	Explorer.EXE
Token: SeCreatePagefilePrivilege	3064	Explorer.EXE
Token: SeShutdownPrivilege	3064	Explorer.EXE
Token: SeCreatePagefilePrivilege	3064	Explorer.EXE
Token: SeShutdownPrivilege	3064	Explorer.EXE
Token: SeCreatePagefilePrivilege	3064	Explorer.EXE
Token: SeShutdownPrivilege	3064	Explorer.EXE
Token: SeCreatePagefilePrivilege	3064	Explorer.EXE
Token: SeShutdownPrivilege	3064	Explorer.EXE
Token: SeCreatePagefilePrivilege	3064	Explorer.EXE
Token: SeShutdownPrivilege	3064	Explorer.EXE
Token: SeCreatePagefilePrivilege	3064	Explorer.EXE

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

tmp.exeExplorer.EXENETSTAT.EXEkpx4avdfpwfw0.exe

description	pid	process	target process
PID 2344 wrote to memory of 4640	2344	tmp.exe	iscsicpl.exe
PID 2344 wrote to memory of 4640	2344	tmp.exe	iscsicpl.exe
PID 2344 wrote to memory of 4640	2344	tmp.exe	iscsicpl.exe
PID 2344 wrote to memory of 4640	2344	tmp.exe	iscsicpl.exe
PID 2344 wrote to memory of 4640	2344	tmp.exe	iscsicpl.exe
PID 2344 wrote to memory of 4640	2344	tmp.exe	iscsicpl.exe
PID 2344 wrote to memory of 4640	2344	tmp.exe	iscsicpl.exe
PID 3064 wrote to memory of 4616	3064	Explorer.EXE	NETSTAT.EXE
PID 3064 wrote to memory of 4616	3064	Explorer.EXE	NETSTAT.EXE
PID 3064 wrote to memory of 4616	3064	Explorer.EXE	NETSTAT.EXE
PID 4616 wrote to memory of 1552	4616	NETSTAT.EXE	cmd.exe
PID 4616 wrote to memory of 1552	4616	NETSTAT.EXE	cmd.exe
PID 4616 wrote to memory of 1552	4616	NETSTAT.EXE	cmd.exe
PID 4616 wrote to memory of 2264	4616	NETSTAT.EXE	cmd.exe
PID 4616 wrote to memory of 2264	4616	NETSTAT.EXE	cmd.exe
PID 4616 wrote to memory of 2264	4616	NETSTAT.EXE	cmd.exe
PID 4616 wrote to memory of 5116	4616	NETSTAT.EXE	cmd.exe
PID 4616 wrote to memory of 5116	4616	NETSTAT.EXE	cmd.exe
PID 4616 wrote to memory of 5116	4616	NETSTAT.EXE	cmd.exe
PID 4616 wrote to memory of 2004	4616	NETSTAT.EXE	Firefox.exe
PID 4616 wrote to memory of 2004	4616	NETSTAT.EXE	Firefox.exe
PID 4616 wrote to memory of 2004	4616	NETSTAT.EXE	Firefox.exe
PID 3064 wrote to memory of 5060	3064	Explorer.EXE	kpx4avdfpwfw0.exe
PID 3064 wrote to memory of 5060	3064	Explorer.EXE	kpx4avdfpwfw0.exe
PID 3064 wrote to memory of 5060	3064	Explorer.EXE	kpx4avdfpwfw0.exe
PID 5060 wrote to memory of 3660	5060	kpx4avdfpwfw0.exe	RunDll32.exe
PID 5060 wrote to memory of 3660	5060	kpx4avdfpwfw0.exe	RunDll32.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Drops file in Program Files directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3064

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2344

C:\Windows\SysWOW64\iscsicpl.exe
"C:\Windows\SysWOW64\iscsicpl.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4640

C:\Windows\SysWOW64\NETSTAT.EXE
"C:\Windows\SysWOW64\NETSTAT.EXE"
2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Gathers network information
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4616

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\iscsicpl.exe"
3⤵
PID:1552

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:2264

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:5116

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:2004

C:\Program Files (x86)\Cfhkd5xd\kpx4avdfpwfw0.exe
"C:\Program Files (x86)\Cfhkd5xd\kpx4avdfpwfw0.exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5060

C:\Windows\system32\RunDll32.exe
C:\Windows\system32\RunDll32.exe Shell32.dll,Control_RunDLL iscsicpl.dll,,0
3⤵
PID:3660

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

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:\Program Files (x86)\Cfhkd5xd\kpx4avdfpwfw0.exe
Filesize
10KB

MD5
653f3e22db3f8589703a9b3677cca56e

SHA1
e57f2f600c845ee8c29ad983daaed413d2d0ad93

SHA256
4138f8fee342c54723a38d2f07f56f3e482926f72b078a937492a94d45571f78

SHA512
f8164d6b27df0406427a97116a611efcb359aa2ff3fb9b53eac81fb74d5736ff85c3ca510f32a7960ae554ff057b8a3bf962c6a6ddf99f40f418bd1aa0e9eaaa

Download Submit
C:\Program Files (x86)\Cfhkd5xd\kpx4avdfpwfw0.exe
Filesize
10KB

MD5
653f3e22db3f8589703a9b3677cca56e

SHA1
e57f2f600c845ee8c29ad983daaed413d2d0ad93

SHA256
4138f8fee342c54723a38d2f07f56f3e482926f72b078a937492a94d45571f78

SHA512
f8164d6b27df0406427a97116a611efcb359aa2ff3fb9b53eac81fb74d5736ff85c3ca510f32a7960ae554ff057b8a3bf962c6a6ddf99f40f418bd1aa0e9eaaa

Download Submit
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/1552-141-0x0000000000000000-mapping.dmp

Download
memory/2264-149-0x0000000000000000-mapping.dmp

Download
memory/2344-132-0x0000000004F70000-0x0000000005002000-memory.dmp

Filesize
584KB

Download
memory/2344-131-0x0000000005440000-0x00000000059E4000-memory.dmp

Filesize
5.6MB

Download
memory/2344-130-0x0000000000500000-0x00000000006CA000-memory.dmp

Filesize
1.8MB

Download
memory/3064-146-0x0000000003400000-0x00000000034F0000-memory.dmp

Filesize
960KB

Download
memory/3064-138-0x00000000082B0000-0x000000000844B000-memory.dmp

Filesize
1.6MB

Download
memory/3064-148-0x0000000003400000-0x00000000034F0000-memory.dmp

Filesize
960KB

Download
memory/3660-155-0x0000000000000000-mapping.dmp

Download
memory/4616-143-0x0000000000CD0000-0x0000000000CFB000-memory.dmp

Filesize
172KB

Download
memory/4616-145-0x0000000001450000-0x00000000014E0000-memory.dmp

Filesize
576KB

Download
memory/4616-144-0x00000000016C0000-0x0000000001A0A000-memory.dmp

Filesize
3.3MB

Download
memory/4616-147-0x0000000000CD0000-0x0000000000CFB000-memory.dmp

Filesize
172KB

Download
memory/4616-142-0x0000000000D90000-0x0000000000D9B000-memory.dmp

Filesize
44KB

Download
memory/4616-139-0x0000000000000000-mapping.dmp

Download
memory/4640-140-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4640-137-0x00000000013D0000-0x00000000013E1000-memory.dmp

Filesize
68KB

Download
memory/4640-136-0x0000000001860000-0x0000000001BAA000-memory.dmp

Filesize
3.3MB

Download
memory/4640-134-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4640-133-0x0000000000000000-mapping.dmp

Download
memory/5060-153-0x0000000000000000-mapping.dmp

Download
memory/5116-151-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads