xloader | 78dedc26287fad6627a271a8734ad7db7f590ffd8e6afdd4a760cbdc4f50592d

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23-08-2024 18:34

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General

Target

PO#652.exe
Size

345KB
MD5

095d3e149a73c5daa7da04428ee3d561
SHA1

a2bee1c142d50ef4f821e30eae5a1a30efa8f009
SHA256

a8fe6d7fa624e8e96f71d3ff6375a012b44b51f06179feb7cef8c33fd6d38570
SHA512

69912e46c134c99f03af4dbc9dd9dbd7da100e56c513d7be6f92d38a69eae2094c85aab239dff41d5a84dfe3e92dc730e0653f74e668e556d9c84d4ad677b650
SSDEEP

6144:vv0M3Nkx/86kMUoM4fonNsK1UQR24dkyc1QCPBvHgy8DPlJB7F9GzypL1yO42s2b:vcM3H6kM7gnRBR24yRPBPgy8DNFwe7ya

Score

10^/10

xloader m3de discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

m3de

Decoy

ad-unity.com

republicans2032.com

blackculturewriters.com

wallnewphoto.com

etripideas.com

solarphlare.com

consultoranexo.com

hayasalon.com

pillowcasefactory.club

service-manbzcsexer.com

medicinerx.today

oliviarescigno.com

tomcruise.club

tetsim.com

atonalai.net

malcomsons.com

straitskids.com

luca-cci.com

pero.financial

wowbdshop.com

Signatures

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

Core1 .NET packer 1 IoCs

Detects packer/loader used by .NET malware.

resource	yara_rule
behavioral2/memory/3572-2-0x0000000003A40000-0x0000000003A82000-memory.dmp	Core1

Xloader payload 5 IoCs

rat

resource	yara_rule
behavioral2/memory/3572-2-0x0000000003A40000-0x0000000003A82000-memory.dmp	xloader
behavioral2/memory/3572-3-0x0000000001D50000-0x0000000001D78000-memory.dmp	xloader
behavioral2/memory/2364-12-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/2364-16-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/4528-22-0x00000000007E0000-0x0000000000808000-memory.dmp	xloader

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3572 set thread context of 2364	3572	PO#652.exe	84
PID 2364 set thread context of 3320	2364	svchost.exe	55
PID 2364 set thread context of 3320	2364	svchost.exe	55
PID 4528 set thread context of 3320	4528	systray.exe	55

System Location Discovery: System Language Discovery 1 TTPs 2 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	systray.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
2364	svchost.exe
2364	svchost.exe
2364	svchost.exe
2364	svchost.exe
2364	svchost.exe
2364	svchost.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe
4528	systray.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2364	svchost.exe
2364	svchost.exe
2364	svchost.exe
2364	svchost.exe
4528	systray.exe
4528	systray.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2364	svchost.exe
Token: SeDebugPrivilege	4528	systray.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3320	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3572 wrote to memory of 2364	3572	PO#652.exe	84
PID 3572 wrote to memory of 2364	3572	PO#652.exe	84
PID 3572 wrote to memory of 2364	3572	PO#652.exe	84
PID 3572 wrote to memory of 2364	3572	PO#652.exe	84
PID 3572 wrote to memory of 2364	3572	PO#652.exe	84
PID 3572 wrote to memory of 2364	3572	PO#652.exe	84
PID 3320 wrote to memory of 4528	3320	Explorer.EXE	101
PID 3320 wrote to memory of 4528	3320	Explorer.EXE	101
PID 3320 wrote to memory of 4528	3320	Explorer.EXE	101
PID 4528 wrote to memory of 1600	4528	systray.exe	104
PID 4528 wrote to memory of 1600	4528	systray.exe	104
PID 4528 wrote to memory of 1600	4528	systray.exe	104

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3320
- C:\Users\Admin\AppData\Local\Temp\PO#652.exe
  "C:\Users\Admin\AppData\Local\Temp\PO#652.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:3572
- - C:\Windows\SysWow64\svchost.exe
    "C:\\Windows\\SysWow64\\svchost.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2364
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:4228
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:400
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:3456
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1932
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2844
- C:\Windows\SysWOW64\systray.exe
  "C:\Windows\SysWOW64\systray.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:4528
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWow64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1600

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2364-10-0x0000000001500000-0x000000000184A000-memory.dmp

Filesize
3.3MB

Download
memory/2364-16-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2364-17-0x0000000001450000-0x0000000001460000-memory.dmp

Filesize
64KB

Download
memory/2364-13-0x00000000013C0000-0x00000000013D0000-memory.dmp

Filesize
64KB

Download
memory/2364-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3320-19-0x0000000007D90000-0x0000000007F21000-memory.dmp

Filesize
1.6MB

Download
memory/3320-14-0x0000000007D90000-0x0000000007F21000-memory.dmp

Filesize
1.6MB

Download
memory/3320-28-0x00000000083D0000-0x0000000008528000-memory.dmp

Filesize
1.3MB

Download
memory/3320-26-0x00000000083D0000-0x0000000008528000-memory.dmp

Filesize
1.3MB

Download
memory/3320-23-0x0000000007F30000-0x0000000008049000-memory.dmp

Filesize
1.1MB

Download
memory/3320-18-0x0000000007F30000-0x0000000008049000-memory.dmp

Filesize
1.1MB

Download
memory/3572-1-0x0000000000F30000-0x0000000000F8A000-memory.dmp

Filesize
360KB

Download
memory/3572-3-0x0000000001D50000-0x0000000001D78000-memory.dmp

Filesize
160KB

Download
memory/3572-2-0x0000000003A40000-0x0000000003A82000-memory.dmp

Filesize
264KB

Download
memory/3572-6-0x00007FFA53610000-0x00007FFA540D1000-memory.dmp

Filesize
10.8MB

Download
memory/3572-0-0x00007FFA53613000-0x00007FFA53615000-memory.dmp

Filesize
8KB

Download
memory/3572-4-0x0000000001D50000-0x0000000001D66000-memory.dmp

Filesize
88KB

Download
memory/3572-5-0x0000000001D30000-0x0000000001D34000-memory.dmp

Filesize
16KB

Download
memory/3572-9-0x00007FFA53610000-0x00007FFA540D1000-memory.dmp

Filesize
10.8MB

Download
memory/4528-21-0x0000000000930000-0x0000000000936000-memory.dmp

Filesize
24KB

Download
memory/4528-20-0x0000000000930000-0x0000000000936000-memory.dmp

Filesize
24KB

Download
memory/4528-22-0x00000000007E0000-0x0000000000808000-memory.dmp

Filesize
160KB

Download