xloader | 5d4e35e3913b9a46150bcc2ba94e971a643465a143ba91fee659d6827fe828e1

General

Target

FACTURA.exe
Size

259KB
MD5

dbe8f4544e6c99ac9311d37139150e9a
SHA1

14da5f434e987b372a2e783d49134877bcce9ebe
SHA256

c3192d94f1b44c9c8ce94f3865d88b1a169dde10f3dadf3a517c3de34487a5a5
SHA512

25a785d5d9cd19bf0e9805dee79433140de4cd5fc3384e292ec6421089f0560fdb44fcb0a2eed8a2774f9d3a89a6c30b5cc1248756d3b44125e478bc991e8a41

Score

10^/10

xloader loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

C2

http://www.onyxcomputing.com/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 Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1228-63-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/680-71-0x00000000000C0000-0x00000000000E9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1436 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

FACTURA.exe

pid process

940 FACTURA.exe

pid	process
1436	cmd.exe

pid	process
940	FACTURA.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

FACTURA.exeFACTURA.execolorcpl.exe

description	pid	process	target process
PID 940 set thread context of 1228	940	FACTURA.exe	FACTURA.exe
PID 1228 set thread context of 1200	1228	FACTURA.exe	Explorer.EXE
PID 680 set thread context of 1200	680	colorcpl.exe	Explorer.EXE

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

FACTURA.execolorcpl.exe

pid	process
1228	FACTURA.exe
1228	FACTURA.exe
680	colorcpl.exe
680	colorcpl.exe
680	colorcpl.exe
680	colorcpl.exe
680	colorcpl.exe
680	colorcpl.exe
680	colorcpl.exe
680	colorcpl.exe
680	colorcpl.exe
680	colorcpl.exe
680	colorcpl.exe
680	colorcpl.exe
680	colorcpl.exe
680	colorcpl.exe
680	colorcpl.exe
680	colorcpl.exe
680	colorcpl.exe
680	colorcpl.exe
680	colorcpl.exe
680	colorcpl.exe
680	colorcpl.exe
680	colorcpl.exe
680	colorcpl.exe
680	colorcpl.exe
680	colorcpl.exe
680	colorcpl.exe
680	colorcpl.exe
680	colorcpl.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1200 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

FACTURA.exeFACTURA.execolorcpl.exe

pid process

940 FACTURA.exe
1228 FACTURA.exe
1228 FACTURA.exe
1228 FACTURA.exe
680 colorcpl.exe
680 colorcpl.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

FACTURA.execolorcpl.exe

description pid process

Token: SeDebugPrivilege 1228 FACTURA.exe
Token: SeDebugPrivilege 680 colorcpl.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1200 Explorer.EXE
1200 Explorer.EXE
1200 Explorer.EXE
1200 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1200 Explorer.EXE
1200 Explorer.EXE
1200 Explorer.EXE
1200 Explorer.EXE

pid	process
1200	Explorer.EXE

pid	process
940	FACTURA.exe
1228	FACTURA.exe
1228	FACTURA.exe
1228	FACTURA.exe
680	colorcpl.exe
680	colorcpl.exe

description	pid	process
Token: SeDebugPrivilege	1228	FACTURA.exe
Token: SeDebugPrivilege	680	colorcpl.exe

pid	process
1200	Explorer.EXE
1200	Explorer.EXE
1200	Explorer.EXE
1200	Explorer.EXE

pid	process
1200	Explorer.EXE
1200	Explorer.EXE
1200	Explorer.EXE
1200	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

FACTURA.exeExplorer.EXEcolorcpl.exe

description	pid	process	target process
PID 940 wrote to memory of 1228	940	FACTURA.exe	FACTURA.exe
PID 940 wrote to memory of 1228	940	FACTURA.exe	FACTURA.exe
PID 940 wrote to memory of 1228	940	FACTURA.exe	FACTURA.exe
PID 940 wrote to memory of 1228	940	FACTURA.exe	FACTURA.exe
PID 940 wrote to memory of 1228	940	FACTURA.exe	FACTURA.exe
PID 1200 wrote to memory of 680	1200	Explorer.EXE	colorcpl.exe
PID 1200 wrote to memory of 680	1200	Explorer.EXE	colorcpl.exe
PID 1200 wrote to memory of 680	1200	Explorer.EXE	colorcpl.exe
PID 1200 wrote to memory of 680	1200	Explorer.EXE	colorcpl.exe
PID 680 wrote to memory of 1436	680	colorcpl.exe	cmd.exe
PID 680 wrote to memory of 1436	680	colorcpl.exe	cmd.exe
PID 680 wrote to memory of 1436	680	colorcpl.exe	cmd.exe
PID 680 wrote to memory of 1436	680	colorcpl.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1200

C:\Users\Admin\AppData\Local\Temp\FACTURA.exe
"C:\Users\Admin\AppData\Local\Temp\FACTURA.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:940

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:1228

C:\Windows\SysWOW64\colorcpl.exe
"C:\Windows\SysWOW64\colorcpl.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:680

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\FACTURA.exe"
3⤵
- Deletes itself
PID:1436

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nsn959D.tmp\772vhhojj684oi.dll

MD5
5e3d3dadd742c63f01034fb9175caef2

SHA1
a3c3cdd8ba24655f36ef248678efe1fade8bc6e8

SHA256
c5e4e3bca252502d2c1b4dd9af51de6f14f495b97965e6f0cb9689ce2501afe1

SHA512
6d19e6f22dd4442baf620111e4370ebe83acde452240dfb171c6492051f9cbede8d1c0a7de538d012e20ef98e07d61ed1e126050a890425f4a868f27a4d66440

Download Submit
memory/680-70-0x0000000000CD0000-0x0000000000CE8000-memory.dmp

Filesize
96KB

Download
memory/680-73-0x00000000007E0000-0x000000000086F000-memory.dmp

Filesize
572KB

Download
memory/680-72-0x00000000020F0000-0x00000000023F3000-memory.dmp

Filesize
3.0MB

Download
memory/680-67-0x0000000000000000-mapping.dmp

Download
memory/680-71-0x00000000000C0000-0x00000000000E9000-memory.dmp

Filesize
164KB

Download
memory/940-62-0x00000000003D0000-0x00000000003D2000-memory.dmp

Filesize
8KB

Download
memory/940-59-0x0000000075051000-0x0000000075053000-memory.dmp

Filesize
8KB

Download
memory/1200-74-0x0000000003D80000-0x0000000003E74000-memory.dmp

Filesize
976KB

Download
memory/1200-66-0x00000000064B0000-0x0000000006610000-memory.dmp

Filesize
1.4MB

Download
memory/1228-65-0x00000000003F0000-0x0000000000400000-memory.dmp

Filesize
64KB

Download
memory/1228-64-0x00000000008B0000-0x0000000000BB3000-memory.dmp

Filesize
3.0MB

Download
memory/1228-63-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1228-61-0x000000000041D0C0-mapping.dmp

Download
memory/1436-69-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads