xloader | 27563e3971b4f2baf6bf551323b1538809038aa456d5e0c02dd5e6a902b8f0e6

General

Target

vbc.exe
Size

617KB
MD5

60b88477173379e55e2d5c678d2a32ff
SHA1

8dcccf0321468fa7e9c51f5cac81ac6da43c0cb5
SHA256

27563e3971b4f2baf6bf551323b1538809038aa456d5e0c02dd5e6a902b8f0e6
SHA512

8705510d538c1e565c7f19d633c1336311dbee239240ef0a2a45b61e37fdb83bb8300348c09e132a80f86cc208e19f532225c08d76644de69f948db951500805

Score

10^/10

xloader loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

C2

http://www.gailrichardson.com/qjnt/

Decoy

funeralinsurancetoppro.info

californiaredstate.com

xn--jpr220deud640b.com

playx.finance

siamfellow.com

tekirdagvethelp.com

forrealmodels.com

desenergie.info

whynotplus.com

graniteinaminute.com

satgurucolorlabs.com

potviper.com

racevx.xyz

thebluefishhotel.net

elletesla.com

4608capaydrive.com

buckhead-meat.com

garage-repair-near-me.com

ubique.works

markokuzmanovicpreduzetnik.com

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/472-116-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/472-117-0x000000000041D090-mapping.dmp	xloader
behavioral2/memory/1808-125-0x0000000002580000-0x00000000025A9000-memory.dmp	xloader

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 3 IoCs

Processes:

vbc.exevbc.execontrol.exe

description	pid	process	target process
PID 3164 set thread context of 472	3164	vbc.exe	vbc.exe
PID 472 set thread context of 2716	472	vbc.exe	Explorer.EXE
PID 1808 set thread context of 2716	1808	control.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

Processes:

Explorer.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Toolbar\ShellBrowser	Explorer.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Toolbar\ShellBrowser\ITBar7Layout = 13000000000000000000000020000000100000000000000001000000010700005e01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Toolbar	Explorer.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Toolbar\Locked = "1"	Explorer.EXE

Modifies registry class 7 IoCs

Processes:

Explorer.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	Explorer.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	Explorer.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	Explorer.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance	Explorer.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings	Explorer.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

Explorer.EXE

pid process

2716 Explorer.EXE
2716 Explorer.EXE

pid	process
2716	Explorer.EXE
2716	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

vbc.execontrol.exe

pid	process
472	vbc.exe
472	vbc.exe
472	vbc.exe
472	vbc.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe
1808	control.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2716 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

vbc.execontrol.exe

pid process

472 vbc.exe
472 vbc.exe
472 vbc.exe
1808 control.exe
1808 control.exe

pid	process
2716	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 44 IoCs

Processes:

vbc.exeExplorer.EXEcontrol.exe

description	pid	process
Token: SeDebugPrivilege	472	vbc.exe
Token: SeShutdownPrivilege	2716	Explorer.EXE
Token: SeCreatePagefilePrivilege	2716	Explorer.EXE
Token: SeShutdownPrivilege	2716	Explorer.EXE
Token: SeCreatePagefilePrivilege	2716	Explorer.EXE
Token: SeDebugPrivilege	1808	control.exe
Token: SeShutdownPrivilege	2716	Explorer.EXE
Token: SeCreatePagefilePrivilege	2716	Explorer.EXE
Token: SeShutdownPrivilege	2716	Explorer.EXE
Token: SeCreatePagefilePrivilege	2716	Explorer.EXE
Token: SeShutdownPrivilege	2716	Explorer.EXE
Token: SeCreatePagefilePrivilege	2716	Explorer.EXE
Token: SeShutdownPrivilege	2716	Explorer.EXE
Token: SeCreatePagefilePrivilege	2716	Explorer.EXE
Token: SeShutdownPrivilege	2716	Explorer.EXE
Token: SeCreatePagefilePrivilege	2716	Explorer.EXE
Token: SeShutdownPrivilege	2716	Explorer.EXE
Token: SeCreatePagefilePrivilege	2716	Explorer.EXE
Token: SeShutdownPrivilege	2716	Explorer.EXE
Token: SeCreatePagefilePrivilege	2716	Explorer.EXE
Token: SeShutdownPrivilege	2716	Explorer.EXE
Token: SeCreatePagefilePrivilege	2716	Explorer.EXE
Token: SeShutdownPrivilege	2716	Explorer.EXE
Token: SeCreatePagefilePrivilege	2716	Explorer.EXE
Token: SeShutdownPrivilege	2716	Explorer.EXE
Token: SeCreatePagefilePrivilege	2716	Explorer.EXE
Token: SeShutdownPrivilege	2716	Explorer.EXE
Token: SeCreatePagefilePrivilege	2716	Explorer.EXE
Token: SeShutdownPrivilege	2716	Explorer.EXE
Token: SeCreatePagefilePrivilege	2716	Explorer.EXE
Token: SeShutdownPrivilege	2716	Explorer.EXE
Token: SeCreatePagefilePrivilege	2716	Explorer.EXE
Token: SeShutdownPrivilege	2716	Explorer.EXE
Token: SeCreatePagefilePrivilege	2716	Explorer.EXE
Token: SeShutdownPrivilege	2716	Explorer.EXE
Token: SeCreatePagefilePrivilege	2716	Explorer.EXE
Token: SeShutdownPrivilege	2716	Explorer.EXE
Token: SeCreatePagefilePrivilege	2716	Explorer.EXE
Token: SeShutdownPrivilege	2716	Explorer.EXE
Token: SeCreatePagefilePrivilege	2716	Explorer.EXE
Token: SeShutdownPrivilege	2716	Explorer.EXE
Token: SeCreatePagefilePrivilege	2716	Explorer.EXE
Token: SeShutdownPrivilege	2716	Explorer.EXE
Token: SeCreatePagefilePrivilege	2716	Explorer.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

vbc.exeExplorer.EXE

pid process

3164 vbc.exe
2716 Explorer.EXE
2716 Explorer.EXE
2716 Explorer.EXE
2716 Explorer.EXE
2716 Explorer.EXE
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

2716 Explorer.EXE

pid	process
3164	vbc.exe
2716	Explorer.EXE
2716	Explorer.EXE
2716	Explorer.EXE
2716	Explorer.EXE
2716	Explorer.EXE

pid	process
2716	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

vbc.exeExplorer.EXEcontrol.exe

description	pid	process	target process
PID 3164 wrote to memory of 472	3164	vbc.exe	vbc.exe
PID 3164 wrote to memory of 472	3164	vbc.exe	vbc.exe
PID 3164 wrote to memory of 472	3164	vbc.exe	vbc.exe
PID 3164 wrote to memory of 472	3164	vbc.exe	vbc.exe
PID 3164 wrote to memory of 472	3164	vbc.exe	vbc.exe
PID 3164 wrote to memory of 472	3164	vbc.exe	vbc.exe
PID 2716 wrote to memory of 1808	2716	Explorer.EXE	control.exe
PID 2716 wrote to memory of 1808	2716	Explorer.EXE	control.exe
PID 2716 wrote to memory of 1808	2716	Explorer.EXE	control.exe
PID 1808 wrote to memory of 3788	1808	control.exe	cmd.exe
PID 1808 wrote to memory of 3788	1808	control.exe	cmd.exe
PID 1808 wrote to memory of 3788	1808	control.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2716

C:\Users\Admin\AppData\Local\Temp\vbc.exe
"C:\Users\Admin\AppData\Local\Temp\vbc.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3164

C:\Users\Admin\AppData\Local\Temp\vbc.exe
"C:\Users\Admin\AppData\Local\Temp\vbc.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:472

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:1660

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:1772

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:1804

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:1800

C:\Windows\SysWOW64\control.exe
"C:\Windows\SysWOW64\control.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1808

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\vbc.exe"
3⤵
PID:3788

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/472-116-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/472-117-0x000000000041D090-mapping.dmp

Download
memory/472-119-0x00000000009B0000-0x0000000000CD0000-memory.dmp

Filesize
3.1MB

Download
memory/472-120-0x0000000000DA0000-0x0000000000DB1000-memory.dmp

Filesize
68KB

Download
memory/1808-122-0x0000000000000000-mapping.dmp

Download
memory/1808-125-0x0000000002580000-0x00000000025A9000-memory.dmp

Filesize
164KB

Download
memory/1808-126-0x00000000045B0000-0x00000000048D0000-memory.dmp

Filesize
3.1MB

Download
memory/1808-124-0x0000000000060000-0x0000000000080000-memory.dmp

Filesize
128KB

Download
memory/1808-127-0x0000000004300000-0x0000000004390000-memory.dmp

Filesize
576KB

Download
memory/2716-121-0x0000000002CA0000-0x0000000002D50000-memory.dmp

Filesize
704KB

Download
memory/2716-128-0x0000000005FE0000-0x00000000060F7000-memory.dmp

Filesize
1.1MB

Download
memory/3788-123-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads