xloader | 656cb950e3811873a4659d8057e39a78d9eb44df652b691ebc027f2cf7a325f5

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 19:50

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General

Target

bin.exe
Size

160KB
MD5

fd5beee3f5bc16a77925f249ccb74436
SHA1

c2e45775aee31244abec4ebd5ae14b5b091c5fe1
SHA256

0b350577e82bb333a55a1ee5977a04b14ad3c274c3f8ee374c0329c309df0e2a
SHA512

0734d6f262ca92191da6f6275e3ed07696b3ec75c7e95ae7409c4962881a121588a6475e797731e3a297b35c0b957aaac685267f180f7551ee0c7ca70b86ec00
SSDEEP

3072:RaB426jIqOi0aostcjgAbLtdfO+dbMdMl2npiduLK3NpqegZluI+:Rxe6zosC8GL/O+dod0djGfln+

Score

10^/10

xloader cvrn discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

cvrn

Decoy

nxwatson.com

thegoodskart.com

jamiewaack.com

starvideoproduction.com

htwengenharia.com

shqipria.info

mybeauty.education

pphemr.net

relaxmorning.com

cunix88.com

bhartiyabrand.com

sofiedeneef.com

chabakaton.com

qianyanwanfu.com

testamentvorlage.club

gm321.com

dataxamarin.com

guktree.com

castroarchitects.com

prize-ad.com

Signatures

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

Xloader payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3396-2-0x0000000000AB0000-0x0000000000AD8000-memory.dmp	xloader
behavioral2/memory/3064-7-0x0000000000390000-0x00000000003B8000-memory.dmp	xloader

Suspicious use of SetThreadContext 2 IoCs

Processes:

bin.exemstsc.exe

description	pid	Process	procid_target
PID 3396 set thread context of 3592	3396	bin.exe	56
PID 3064 set thread context of 3592	3064	mstsc.exe	56

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:

bin.exemstsc.execmd.exe

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

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

bin.exemstsc.exe

pid	Process
3396	bin.exe
3396	bin.exe
3396	bin.exe
3396	bin.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe
3064	mstsc.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

bin.exemstsc.exe

pid	Process
3396	bin.exe
3396	bin.exe
3396	bin.exe
3064	mstsc.exe
3064	mstsc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

bin.exemstsc.exe

description	pid	Process
Token: SeDebugPrivilege	3396	bin.exe
Token: SeDebugPrivilege	3064	mstsc.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

Explorer.EXEmstsc.exe

description	pid	Process	procid_target
PID 3592 wrote to memory of 3064	3592	Explorer.EXE	83
PID 3592 wrote to memory of 3064	3592	Explorer.EXE	83
PID 3592 wrote to memory of 3064	3592	Explorer.EXE	83
PID 3064 wrote to memory of 2076	3064	mstsc.exe	86
PID 3064 wrote to memory of 2076	3064	mstsc.exe	86
PID 3064 wrote to memory of 2076	3064	mstsc.exe	86

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3592
- C:\Users\Admin\AppData\Local\Temp\bin.exe
  "C:\Users\Admin\AppData\Local\Temp\bin.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  PID:3396
- C:\Windows\SysWOW64\mstsc.exe
  "C:\Windows\SysWOW64\mstsc.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:3064
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\bin.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2076

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/3064-4-0x0000000000150000-0x000000000028A000-memory.dmp

Filesize
1.2MB

Download
memory/3064-6-0x0000000000150000-0x000000000028A000-memory.dmp

Filesize
1.2MB

Download
memory/3064-7-0x0000000000390000-0x00000000003B8000-memory.dmp

Filesize
160KB

Download
memory/3396-0-0x0000000000C90000-0x0000000000FDA000-memory.dmp

Filesize
3.3MB

Download
memory/3396-2-0x0000000000AB0000-0x0000000000AD8000-memory.dmp

Filesize
160KB

Download
memory/3396-1-0x0000000000ACD000-0x0000000000ACE000-memory.dmp

Filesize
4KB

Download
memory/3592-3-0x0000000007B70000-0x0000000007C7D000-memory.dmp

Filesize
1.1MB

Download
memory/3592-8-0x0000000007B70000-0x0000000007C7D000-memory.dmp

Filesize
1.1MB

Download
memory/3592-12-0x0000000007C80000-0x0000000007D6C000-memory.dmp

Filesize
944KB

Download
memory/3592-13-0x0000000007C80000-0x0000000007D6C000-memory.dmp

Filesize
944KB

Download
memory/3592-15-0x0000000007C80000-0x0000000007D6C000-memory.dmp

Filesize
944KB

Download