xloader | df1b0eef4f32a5c2527691175375962957db71bc913d37f6e71150e599b2b31c

General

Target

INQNEW~0.exe
Size

276KB
MD5

ebb0fecde4a2e88c63c27c82810113b5
SHA1

c5658bec21ea4dfe2d0a66089d2d18bf081c778f
SHA256

df1b0eef4f32a5c2527691175375962957db71bc913d37f6e71150e599b2b31c
SHA512

05960c717d5f30ca5b1424a3a2806c2a7a00b6ec4a3949bdb7db4d7f5fd885119cf18cbb752537ddcb7bc277ecf683d060c40baee3ac6bdb6f76cb5a50598ad8

Score

10^/10

xloader be4o loader persistence rat spyware stealer suricata

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

be4o

Decoy

laboratoriobioixcha.com

tictocperushop.online

wild-oceans.com

belaruscountry.com

kicktmall.com

fitcoinweb.tech

mores.one

gogear.one

gxrcksy.com

samrcq.com

impossible-icecream.com

bravesxx.com

bookchainart.com

sleepsolutionsofmboro.com

ocbrazilbusinessclub.com

advisor76.xyz

xitaotech.com

mgsdtytifgf3414.xyz

johnson-brown.net

cr3drt.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 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4300-133-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral2/memory/3712-141-0x0000000001270000-0x000000000129B000-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:

NETSTAT.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	NETSTAT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\0J2TIDZ8KBG = "C:\\Program Files (x86)\\Osj-l4h\\ThumbCacheadzx0pz.exe"	NETSTAT.EXE

Executes dropped EXE 1 IoCs

Processes:

ThumbCacheadzx0pz.exe

pid process

2808 ThumbCacheadzx0pz.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
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

pid	process
2808	ThumbCacheadzx0pz.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

INQNEW~0.exevbc.exeNETSTAT.EXE

description	pid	process	target process
PID 4532 set thread context of 4300	4532	INQNEW~0.exe	vbc.exe
PID 4300 set thread context of 3032	4300	vbc.exe	Explorer.EXE
PID 3712 set thread context of 3032	3712	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)\Osj-l4h\ThumbCacheadzx0pz.exe	NETSTAT.EXE
File opened for modification	C:\Program Files (x86)\Osj-l4h	Explorer.EXE
File created	C:\Program Files (x86)\Osj-l4h\ThumbCacheadzx0pz.exe	Explorer.EXE
File opened for modification	C:\Program Files (x86)\Osj-l4h\ThumbCacheadzx0pz.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

3712 NETSTAT.EXE

pid	process
3712	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-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	NETSTAT.EXE

Modifies registry class 3 IoCs

Processes:

Explorer.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 56 IoCs

Processes:

vbc.exeNETSTAT.EXE

pid	process
4300	vbc.exe
4300	vbc.exe
4300	vbc.exe
4300	vbc.exe
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE
3712	NETSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3032 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

vbc.exeNETSTAT.EXE

pid process

4300 vbc.exe
4300 vbc.exe
4300 vbc.exe
3712 NETSTAT.EXE
3712 NETSTAT.EXE
3712 NETSTAT.EXE
3712 NETSTAT.EXE

pid	process
3032	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 22 IoCs

Processes:

vbc.exeNETSTAT.EXEExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	4300	vbc.exe
Token: SeDebugPrivilege	3712	NETSTAT.EXE
Token: SeShutdownPrivilege	3032	Explorer.EXE
Token: SeCreatePagefilePrivilege	3032	Explorer.EXE
Token: SeShutdownPrivilege	3032	Explorer.EXE
Token: SeCreatePagefilePrivilege	3032	Explorer.EXE
Token: SeShutdownPrivilege	3032	Explorer.EXE
Token: SeCreatePagefilePrivilege	3032	Explorer.EXE
Token: SeShutdownPrivilege	3032	Explorer.EXE
Token: SeCreatePagefilePrivilege	3032	Explorer.EXE
Token: SeShutdownPrivilege	3032	Explorer.EXE
Token: SeCreatePagefilePrivilege	3032	Explorer.EXE
Token: SeShutdownPrivilege	3032	Explorer.EXE
Token: SeCreatePagefilePrivilege	3032	Explorer.EXE
Token: SeShutdownPrivilege	3032	Explorer.EXE
Token: SeCreatePagefilePrivilege	3032	Explorer.EXE
Token: SeShutdownPrivilege	3032	Explorer.EXE
Token: SeCreatePagefilePrivilege	3032	Explorer.EXE
Token: SeShutdownPrivilege	3032	Explorer.EXE
Token: SeCreatePagefilePrivilege	3032	Explorer.EXE
Token: SeShutdownPrivilege	3032	Explorer.EXE
Token: SeCreatePagefilePrivilege	3032	Explorer.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

3032 Explorer.EXE
3032 Explorer.EXE
3032 Explorer.EXE
3032 Explorer.EXE
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

Explorer.EXE

pid process

3032 Explorer.EXE
3032 Explorer.EXE
3032 Explorer.EXE

pid	process
3032	Explorer.EXE
3032	Explorer.EXE
3032	Explorer.EXE
3032	Explorer.EXE

pid	process
3032	Explorer.EXE
3032	Explorer.EXE
3032	Explorer.EXE

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

INQNEW~0.exeExplorer.EXENETSTAT.EXE

description	pid	process	target process
PID 4532 wrote to memory of 4300	4532	INQNEW~0.exe	vbc.exe
PID 4532 wrote to memory of 4300	4532	INQNEW~0.exe	vbc.exe
PID 4532 wrote to memory of 4300	4532	INQNEW~0.exe	vbc.exe
PID 4532 wrote to memory of 4300	4532	INQNEW~0.exe	vbc.exe
PID 4532 wrote to memory of 4300	4532	INQNEW~0.exe	vbc.exe
PID 4532 wrote to memory of 4300	4532	INQNEW~0.exe	vbc.exe
PID 3032 wrote to memory of 3712	3032	Explorer.EXE	NETSTAT.EXE
PID 3032 wrote to memory of 3712	3032	Explorer.EXE	NETSTAT.EXE
PID 3032 wrote to memory of 3712	3032	Explorer.EXE	NETSTAT.EXE
PID 3712 wrote to memory of 232	3712	NETSTAT.EXE	cmd.exe
PID 3712 wrote to memory of 232	3712	NETSTAT.EXE	cmd.exe
PID 3712 wrote to memory of 232	3712	NETSTAT.EXE	cmd.exe
PID 3712 wrote to memory of 4208	3712	NETSTAT.EXE	cmd.exe
PID 3712 wrote to memory of 4208	3712	NETSTAT.EXE	cmd.exe
PID 3712 wrote to memory of 4208	3712	NETSTAT.EXE	cmd.exe
PID 3712 wrote to memory of 2116	3712	NETSTAT.EXE	cmd.exe
PID 3712 wrote to memory of 2116	3712	NETSTAT.EXE	cmd.exe
PID 3712 wrote to memory of 2116	3712	NETSTAT.EXE	cmd.exe
PID 3712 wrote to memory of 2788	3712	NETSTAT.EXE	Firefox.exe
PID 3712 wrote to memory of 2788	3712	NETSTAT.EXE	Firefox.exe
PID 3712 wrote to memory of 2788	3712	NETSTAT.EXE	Firefox.exe
PID 3032 wrote to memory of 2808	3032	Explorer.EXE	ThumbCacheadzx0pz.exe
PID 3032 wrote to memory of 2808	3032	Explorer.EXE	ThumbCacheadzx0pz.exe
PID 3032 wrote to memory of 2808	3032	Explorer.EXE	ThumbCacheadzx0pz.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Drops file in Program Files directory
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3032

C:\Users\Admin\AppData\Local\Temp\INQNEW~0.exe
"C:\Users\Admin\AppData\Local\Temp\INQNEW~0.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4532

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4300

C:\Windows\SysWOW64\NETSTAT.EXE
"C:\Windows\SysWOW64\NETSTAT.EXE"
2⤵
- Adds policy 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:3712

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
3⤵
PID:232

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:4208

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:2116

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:2788

C:\Program Files (x86)\Osj-l4h\ThumbCacheadzx0pz.exe
"C:\Program Files (x86)\Osj-l4h\ThumbCacheadzx0pz.exe"
2⤵
- Executes dropped EXE
PID:2808

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
1⤵
PID:1388

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Command-Line Interface

1

T1059

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Scripting

1

T1064

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)\Osj-l4h\ThumbCacheadzx0pz.exe
Filesize
2.5MB

MD5
241d132584d6fba23af7e8d11cd74091

SHA1
8a5a29c456286182d5b92c4b63b2d076014b3b54

SHA256
63ad1cdb4d204e557fc00b9f41c0b6bb750f6188cba5aa29c6d255d2bdc44935

SHA512
1d87b9d61cbd61b3e0fed4dd08416298cafa1c0d1fed9c325730815550455b12759cabec52c160a12ea2ba2204b01be182b98deb6393dd0fcaac37b2d3a037d8

Download Submit
C:\Program Files (x86)\Osj-l4h\ThumbCacheadzx0pz.exe
Filesize
2.5MB

MD5
241d132584d6fba23af7e8d11cd74091

SHA1
8a5a29c456286182d5b92c4b63b2d076014b3b54

SHA256
63ad1cdb4d204e557fc00b9f41c0b6bb750f6188cba5aa29c6d255d2bdc44935

SHA512
1d87b9d61cbd61b3e0fed4dd08416298cafa1c0d1fed9c325730815550455b12759cabec52c160a12ea2ba2204b01be182b98deb6393dd0fcaac37b2d3a037d8

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/232-139-0x0000000000000000-mapping.dmp

Download
memory/2116-147-0x0000000000000000-mapping.dmp

Download
memory/2808-149-0x0000000000000000-mapping.dmp

Download
memory/3032-144-0x0000000008A80000-0x0000000008BE6000-memory.dmp

Filesize
1.4MB

Download
memory/3032-137-0x00000000085B0000-0x00000000086A7000-memory.dmp

Filesize
988KB

Download
memory/3712-141-0x0000000001270000-0x000000000129B000-memory.dmp

Filesize
172KB

Download
memory/3712-142-0x0000000001980000-0x0000000001CCA000-memory.dmp

Filesize
3.3MB

Download
memory/3712-143-0x00000000017B0000-0x0000000001840000-memory.dmp

Filesize
576KB

Download
memory/3712-140-0x0000000000D80000-0x0000000000D8B000-memory.dmp

Filesize
44KB

Download
memory/3712-138-0x0000000000000000-mapping.dmp

Download
memory/4208-145-0x0000000000000000-mapping.dmp

Download
memory/4300-136-0x0000000001520000-0x0000000001531000-memory.dmp

Filesize
68KB

Download
memory/4300-135-0x0000000001540000-0x000000000188A000-memory.dmp

Filesize
3.3MB

Download
memory/4300-133-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4300-132-0x0000000000000000-mapping.dmp

Download
memory/4532-130-0x0000000000580000-0x00000000005CA000-memory.dmp

Filesize
296KB

Download
memory/4532-131-0x0000000005420000-0x00000000059C4000-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