xloader | 5d4e35e3913b9a46150bcc2ba94e971a643465a143ba91fee659d6827fe828e1

General

Target

FACTURA.exe
Size

259KB
MD5

dbe8f4544e6c99ac9311d37139150e9a
SHA1

14da5f434e987b372a2e783d49134877bcce9ebe
SHA256

c3192d94f1b44c9c8ce94f3865d88b1a169dde10f3dadf3a517c3de34487a5a5
SHA512

25a785d5d9cd19bf0e9805dee79433140de4cd5fc3384e292ec6421089f0560fdb44fcb0a2eed8a2774f9d3a89a6c30b5cc1248756d3b44125e478bc991e8a41
SSDEEP

3072:7Ere7GjyCaFvcm6kDbv4cYMzwdr74NVwfuSJZKSCKwlZGFs/LOC8sTkZtcEPE3fV:7PXz3AcYVaeuS7K/K6ZGVzZtNE3rZ

Score

10^/10

xloader u8nw discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

u8nw

Decoy

constructionjadams.com

organicwellnessfarm.com

beautiful.tours

medvows.com

foxparanormal.com

fsmxmc.com

graniterealestategroup.net

qgi1.com

astrologicsolutions.com

rafbar.com

bastiontools.net

emotist.com

stacyleets.com

bloodtypealpha.com

healtybenenfitsplus.com

vavadadoa3.com

chefbenhk.com

dotgz.com

xn--z4qm188e645c.com

ethyi.com

Signatures

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

Xloader payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2360-9-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2360-11-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2664-18-0x0000000000070000-0x0000000000099000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2624 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

FACTURA.exe

pid process

1504 FACTURA.exe

pid	process
2624	cmd.exe

pid	process
1504	FACTURA.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

FACTURA.exeFACTURA.execscript.exe

description	pid	process	target process
PID 1504 set thread context of 2360	1504	FACTURA.exe	FACTURA.exe
PID 2360 set thread context of 1184	2360	FACTURA.exe	Explorer.EXE
PID 2664 set thread context of 1184	2664	cscript.exe	Explorer.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

FACTURA.execscript.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FACTURA.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

Processes:

FACTURA.execscript.exe

pid	process
2360	FACTURA.exe
2360	FACTURA.exe
2664	cscript.exe
2664	cscript.exe
2664	cscript.exe
2664	cscript.exe
2664	cscript.exe
2664	cscript.exe
2664	cscript.exe
2664	cscript.exe
2664	cscript.exe
2664	cscript.exe
2664	cscript.exe
2664	cscript.exe
2664	cscript.exe
2664	cscript.exe
2664	cscript.exe
2664	cscript.exe
2664	cscript.exe
2664	cscript.exe
2664	cscript.exe
2664	cscript.exe
2664	cscript.exe
2664	cscript.exe
2664	cscript.exe
2664	cscript.exe
2664	cscript.exe
2664	cscript.exe
2664	cscript.exe
2664	cscript.exe
2664	cscript.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

FACTURA.exeFACTURA.execscript.exe

pid process

1504 FACTURA.exe
2360 FACTURA.exe
2360 FACTURA.exe
2360 FACTURA.exe
2664 cscript.exe
2664 cscript.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

FACTURA.execscript.exe

description pid process

Token: SeDebugPrivilege 2360 FACTURA.exe
Token: SeDebugPrivilege 2664 cscript.exe

pid	process
1504	FACTURA.exe
2360	FACTURA.exe
2360	FACTURA.exe
2360	FACTURA.exe
2664	cscript.exe
2664	cscript.exe

description	pid	process
Token: SeDebugPrivilege	2360	FACTURA.exe
Token: SeDebugPrivilege	2664	cscript.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

FACTURA.exeExplorer.EXEcscript.exe

description	pid	process	target process
PID 1504 wrote to memory of 2360	1504	FACTURA.exe	FACTURA.exe
PID 1504 wrote to memory of 2360	1504	FACTURA.exe	FACTURA.exe
PID 1504 wrote to memory of 2360	1504	FACTURA.exe	FACTURA.exe
PID 1504 wrote to memory of 2360	1504	FACTURA.exe	FACTURA.exe
PID 1504 wrote to memory of 2360	1504	FACTURA.exe	FACTURA.exe
PID 1184 wrote to memory of 2664	1184	Explorer.EXE	cscript.exe
PID 1184 wrote to memory of 2664	1184	Explorer.EXE	cscript.exe
PID 1184 wrote to memory of 2664	1184	Explorer.EXE	cscript.exe
PID 1184 wrote to memory of 2664	1184	Explorer.EXE	cscript.exe
PID 2664 wrote to memory of 2624	2664	cscript.exe	cmd.exe
PID 2664 wrote to memory of 2624	2664	cscript.exe	cmd.exe
PID 2664 wrote to memory of 2624	2664	cscript.exe	cmd.exe
PID 2664 wrote to memory of 2624	2664	cscript.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1184
- C:\Users\Admin\AppData\Local\Temp\FACTURA.exe
  "C:\Users\Admin\AppData\Local\Temp\FACTURA.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1504
- - C:\Users\Admin\AppData\Local\Temp\FACTURA.exe
    "C:\Users\Admin\AppData\Local\Temp\FACTURA.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2360
- C:\Windows\SysWOW64\cscript.exe
  "C:\Windows\SysWOW64\cscript.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2664
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\FACTURA.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nsj705.tmp\772vhhojj684oi.dll

Filesize
5KB

MD5
5e3d3dadd742c63f01034fb9175caef2

SHA1
a3c3cdd8ba24655f36ef248678efe1fade8bc6e8

SHA256
c5e4e3bca252502d2c1b4dd9af51de6f14f495b97965e6f0cb9689ce2501afe1

SHA512
6d19e6f22dd4442baf620111e4370ebe83acde452240dfb171c6492051f9cbede8d1c0a7de538d012e20ef98e07d61ed1e126050a890425f4a868f27a4d66440

Download Submit
memory/1184-12-0x0000000004DA0000-0x0000000004F07000-memory.dmp

Filesize
1.4MB

Download
memory/1184-19-0x0000000004DA0000-0x0000000004F07000-memory.dmp

Filesize
1.4MB

Download
memory/1504-8-0x0000000001C00000-0x0000000001C02000-memory.dmp

Filesize
8KB

Download
memory/2360-9-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2360-11-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2664-15-0x0000000000C20000-0x0000000000C42000-memory.dmp

Filesize
136KB

Download
memory/2664-17-0x0000000000C20000-0x0000000000C42000-memory.dmp

Filesize
136KB

Download
memory/2664-18-0x0000000000070000-0x0000000000099000-memory.dmp

Filesize
164KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads