xloader | 9ead5269b73782863b592279c0dda02a31caadd92ccfec0983baa45ee3d7b238

General

Target

Vxcrtivy.exe
Size

55KB
MD5

60b18674b3feb337adae906acb45e1eb
SHA1

30eb9398c2cbaad158e2bc94f4b0ac9e8cfc734d
SHA256

9ead5269b73782863b592279c0dda02a31caadd92ccfec0983baa45ee3d7b238
SHA512

030bd81a4cdc5620e331c67ed8c5200473e06859faa89dc5b1f4a83c22179a5c56d77ca1d4f64f0a6f0d3caabb6a9367a4b15611df154b3d76955cdd5912754c

Score

10^/10

xloader loader persistence rat spyware stealer suricata

Malware Config

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 5 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1008-61-0x0000000000400000-0x000000000042D000-memory.dmp	xloader
behavioral1/memory/1008-62-0x00000000004202E0-mapping.dmp	xloader
behavioral1/memory/1008-65-0x0000000000400000-0x000000000042D000-memory.dmp	xloader
behavioral1/memory/1980-73-0x00000000000D0000-0x00000000000FD000-memory.dmp	xloader
behavioral1/memory/1980-77-0x00000000000D0000-0x00000000000FD000-memory.dmp	xloader

Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

RegAsm.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Control Panel\International\Geo\Nation RegAsm.exe
Loads dropped DLL 1 IoCs

Processes:

control.exe

pid process

1980 control.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

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Control Panel\International\Geo\Nation	RegAsm.exe

pid	process
1980	control.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

control.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	control.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\TT_TNHQ8WJ = "C:\\Program Files (x86)\\Y-z_xd4ix\\mfcopg.exe"	control.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Vxcrtivy.exeRegAsm.execontrol.exe

description	pid	process	target process
PID 1452 set thread context of 1008	1452	Vxcrtivy.exe	RegAsm.exe
PID 1008 set thread context of 1188	1008	RegAsm.exe	Explorer.EXE
PID 1980 set thread context of 1188	1980	control.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

control.exe

description ioc process

File opened for modification C:\Program Files (x86)\Y-z_xd4ix\mfcopg.exe control.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Y-z_xd4ix\mfcopg.exe	control.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

control.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1083475884-596052423-1669053738-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	control.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

Processes:

Vxcrtivy.exeRegAsm.execontrol.exe

pid	process
1452	Vxcrtivy.exe
1452	Vxcrtivy.exe
1452	Vxcrtivy.exe
1452	Vxcrtivy.exe
1452	Vxcrtivy.exe
1008	RegAsm.exe
1008	RegAsm.exe
1980	control.exe
1980	control.exe
1980	control.exe
1980	control.exe
1980	control.exe
1980	control.exe
1980	control.exe
1980	control.exe
1980	control.exe
1980	control.exe
1980	control.exe
1980	control.exe
1980	control.exe
1980	control.exe
1980	control.exe
1980	control.exe
1980	control.exe
1980	control.exe
1980	control.exe
1980	control.exe
1980	control.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

RegAsm.execontrol.exe

pid process

1008 RegAsm.exe
1008 RegAsm.exe
1008 RegAsm.exe
1980 control.exe
1980 control.exe
1980 control.exe
1980 control.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Vxcrtivy.exeRegAsm.execontrol.exe

description pid process

Token: SeDebugPrivilege 1452 Vxcrtivy.exe
Token: SeDebugPrivilege 1008 RegAsm.exe
Token: SeDebugPrivilege 1980 control.exe

pid	process
1008	RegAsm.exe
1008	RegAsm.exe
1008	RegAsm.exe
1980	control.exe
1980	control.exe
1980	control.exe
1980	control.exe

description	pid	process
Token: SeDebugPrivilege	1452	Vxcrtivy.exe
Token: SeDebugPrivilege	1008	RegAsm.exe
Token: SeDebugPrivilege	1980	control.exe

Suspicious use of WriteProcessMemory 41 IoCs

Processes:

Vxcrtivy.exeExplorer.EXEcontrol.exe

description	pid	process	target process
PID 1452 wrote to memory of 940	1452	Vxcrtivy.exe	RegAsm.exe
PID 1452 wrote to memory of 940	1452	Vxcrtivy.exe	RegAsm.exe
PID 1452 wrote to memory of 940	1452	Vxcrtivy.exe	RegAsm.exe
PID 1452 wrote to memory of 940	1452	Vxcrtivy.exe	RegAsm.exe
PID 1452 wrote to memory of 940	1452	Vxcrtivy.exe	RegAsm.exe
PID 1452 wrote to memory of 940	1452	Vxcrtivy.exe	RegAsm.exe
PID 1452 wrote to memory of 940	1452	Vxcrtivy.exe	RegAsm.exe
PID 1452 wrote to memory of 1708	1452	Vxcrtivy.exe	RegAsm.exe
PID 1452 wrote to memory of 1708	1452	Vxcrtivy.exe	RegAsm.exe
PID 1452 wrote to memory of 1708	1452	Vxcrtivy.exe	RegAsm.exe
PID 1452 wrote to memory of 1708	1452	Vxcrtivy.exe	RegAsm.exe
PID 1452 wrote to memory of 1708	1452	Vxcrtivy.exe	RegAsm.exe
PID 1452 wrote to memory of 1708	1452	Vxcrtivy.exe	RegAsm.exe
PID 1452 wrote to memory of 1708	1452	Vxcrtivy.exe	RegAsm.exe
PID 1452 wrote to memory of 1008	1452	Vxcrtivy.exe	RegAsm.exe
PID 1452 wrote to memory of 1008	1452	Vxcrtivy.exe	RegAsm.exe
PID 1452 wrote to memory of 1008	1452	Vxcrtivy.exe	RegAsm.exe
PID 1452 wrote to memory of 1008	1452	Vxcrtivy.exe	RegAsm.exe
PID 1452 wrote to memory of 1008	1452	Vxcrtivy.exe	RegAsm.exe
PID 1452 wrote to memory of 1008	1452	Vxcrtivy.exe	RegAsm.exe
PID 1452 wrote to memory of 1008	1452	Vxcrtivy.exe	RegAsm.exe
PID 1452 wrote to memory of 1008	1452	Vxcrtivy.exe	RegAsm.exe
PID 1452 wrote to memory of 1008	1452	Vxcrtivy.exe	RegAsm.exe
PID 1452 wrote to memory of 1008	1452	Vxcrtivy.exe	RegAsm.exe
PID 1188 wrote to memory of 1980	1188	Explorer.EXE	control.exe
PID 1188 wrote to memory of 1980	1188	Explorer.EXE	control.exe
PID 1188 wrote to memory of 1980	1188	Explorer.EXE	control.exe
PID 1188 wrote to memory of 1980	1188	Explorer.EXE	control.exe
PID 1980 wrote to memory of 1920	1980	control.exe	cmd.exe
PID 1980 wrote to memory of 1920	1980	control.exe	cmd.exe
PID 1980 wrote to memory of 1920	1980	control.exe	cmd.exe
PID 1980 wrote to memory of 1920	1980	control.exe	cmd.exe
PID 1980 wrote to memory of 1564	1980	control.exe	Firefox.exe
PID 1980 wrote to memory of 1564	1980	control.exe	Firefox.exe
PID 1980 wrote to memory of 1564	1980	control.exe	Firefox.exe
PID 1980 wrote to memory of 1564	1980	control.exe	Firefox.exe
PID 1980 wrote to memory of 1564	1980	control.exe	Firefox.exe
PID 1980 wrote to memory of 1184	1980	control.exe	cmd.exe
PID 1980 wrote to memory of 1184	1980	control.exe	cmd.exe
PID 1980 wrote to memory of 1184	1980	control.exe	cmd.exe
PID 1980 wrote to memory of 1184	1980	control.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1188

C:\Users\Admin\AppData\Local\Temp\Vxcrtivy.exe
"C:\Users\Admin\AppData\Local\Temp\Vxcrtivy.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1452

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
3⤵
PID:940

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
3⤵
PID:1708

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
3⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1008

C:\Windows\SysWOW64\control.exe
"C:\Windows\SysWOW64\control.exe"
2⤵
- Loads dropped DLL
- Adds Run key to start application
- 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
PID:1980

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
3⤵
PID:1920

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1564

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:1184

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
\Users\Admin\AppData\Local\Temp\sqlite3.dll
Filesize
630KB

MD5
06b455698aba68f911c2f6d17bbefc6a

SHA1
4116e1345134012a0fc8a84b4bbf6c681621a266

SHA256
6d81a69544457d3db38f97932869e0589feed4d7249462cce7aa8b15c6c00bd2

SHA512
d64c0219933a0600702d54ca158e794b2784b1040e15d4657d87f46c091ed7ed1addcf3c46859e87c811f5c1543928596990103ae5de29a00eab7999ba7a1b3e

Download Submit
memory/1008-67-0x0000000000340000-0x0000000000351000-memory.dmp

Filesize
68KB

Download
memory/1008-58-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1008-59-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1008-61-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1008-62-0x00000000004202E0-mapping.dmp

Download
memory/1008-65-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1008-66-0x0000000000DE0000-0x00000000010E3000-memory.dmp

Filesize
3.0MB

Download
memory/1184-80-0x0000000000000000-mapping.dmp

Download
memory/1188-76-0x0000000004320000-0x00000000043C6000-memory.dmp

Filesize
664KB

Download
memory/1188-68-0x00000000065A0000-0x0000000006691000-memory.dmp

Filesize
964KB

Download
memory/1188-78-0x0000000004320000-0x00000000043C6000-memory.dmp

Filesize
664KB

Download
memory/1452-54-0x00000000011F0000-0x0000000001202000-memory.dmp

Filesize
72KB

Download
memory/1452-55-0x0000000075EF1000-0x0000000075EF3000-memory.dmp

Filesize
8KB

Download
memory/1452-56-0x00000000058B0000-0x0000000005954000-memory.dmp

Filesize
656KB

Download
memory/1452-57-0x00000000010D0000-0x000000000111C000-memory.dmp

Filesize
304KB

Download
memory/1920-71-0x0000000000000000-mapping.dmp

Download
memory/1980-72-0x0000000000580000-0x000000000059F000-memory.dmp

Filesize
124KB

Download
memory/1980-77-0x00000000000D0000-0x00000000000FD000-memory.dmp

Filesize
180KB

Download
memory/1980-75-0x00000000005A0000-0x0000000000630000-memory.dmp

Filesize
576KB

Download
memory/1980-73-0x00000000000D0000-0x00000000000FD000-memory.dmp

Filesize
180KB

Download
memory/1980-74-0x00000000020B0000-0x00000000023B3000-memory.dmp

Filesize
3.0MB

Download
memory/1980-69-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads