xloader | 8441a8b048a19c276e9c25457b681b8167a82f4fdee86dc4722891d0dbb5043a

Analysis

max time kernel
150s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2023 12:38

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General

Target

1f05d929e0288a3d3ce3c53c111cfca9.exe
Size

827KB
MD5

1f05d929e0288a3d3ce3c53c111cfca9
SHA1

679b18c7e7acfbb482bd1f40093db93c94697ae0
SHA256

8441a8b048a19c276e9c25457b681b8167a82f4fdee86dc4722891d0dbb5043a
SHA512

8a6233065618a775805aa44feda8ff98907b64d8b618fe470de15e8b911485d2cefc6cd06f8e333240b25943fb456adfa6c74b49de012c1c53d0fd67bf22d9bb
SSDEEP

24576:YCXflUMjoJLCQM+yYav2OxWcMVz7mo5oFCEkv:vv+CXqaO79Fosv

Score

10^/10

xloader iuem loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

iuem

Decoy

agileatefoundation.com

preheimphotography.com

blueivymart.com

magetu.info

sunayah.com

gulumsecafe.com

belveder.net

pumpkinmangaming.com

playd6plus.com

thuanland.com

blacklivesmatterforreal.com

enviromentalco.com

ferronnstyle.com

mrbeagleshop.com

whmlqx.com

unifiedfederal.com

purest-you.com

ashleymartinonline.com

bayareaportraitphotographer.com

ysnrjelx.icu

Signatures

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

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

resource	yara_rule
behavioral2/memory/1868-8-0x00000000028A0000-0x00000000028B2000-memory.dmp	CustAttr

Xloader payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/220-13-0x0000000000400000-0x0000000000429000-memory.dmp	xloader

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1868 set thread context of 220	1868	1f05d929e0288a3d3ce3c53c111cfca9.exe	106

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1868	1f05d929e0288a3d3ce3c53c111cfca9.exe
1868	1f05d929e0288a3d3ce3c53c111cfca9.exe
220	1f05d929e0288a3d3ce3c53c111cfca9.exe
220	1f05d929e0288a3d3ce3c53c111cfca9.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1868	1f05d929e0288a3d3ce3c53c111cfca9.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 220	1868	1f05d929e0288a3d3ce3c53c111cfca9.exe	106
PID 1868 wrote to memory of 220	1868	1f05d929e0288a3d3ce3c53c111cfca9.exe	106
PID 1868 wrote to memory of 220	1868	1f05d929e0288a3d3ce3c53c111cfca9.exe	106
PID 1868 wrote to memory of 220	1868	1f05d929e0288a3d3ce3c53c111cfca9.exe	106
PID 1868 wrote to memory of 220	1868	1f05d929e0288a3d3ce3c53c111cfca9.exe	106
PID 1868 wrote to memory of 220	1868	1f05d929e0288a3d3ce3c53c111cfca9.exe	106

C:\Users\Admin\AppData\Local\Temp\1f05d929e0288a3d3ce3c53c111cfca9.exe
"C:\Users\Admin\AppData\Local\Temp\1f05d929e0288a3d3ce3c53c111cfca9.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1868
- C:\Users\Admin\AppData\Local\Temp\1f05d929e0288a3d3ce3c53c111cfca9.exe
  "C:\Users\Admin\AppData\Local\Temp\1f05d929e0288a3d3ce3c53c111cfca9.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:220

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/220-13-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/220-16-0x0000000001930000-0x0000000001C7A000-memory.dmp

Filesize
3.3MB

Download
memory/1868-8-0x00000000028A0000-0x00000000028B2000-memory.dmp

Filesize
72KB

Download
memory/1868-9-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/1868-4-0x0000000005040000-0x00000000050D2000-memory.dmp

Filesize
584KB

Download
memory/1868-5-0x0000000004F20000-0x0000000004F30000-memory.dmp

Filesize
64KB

Download
memory/1868-6-0x0000000004F80000-0x0000000004F8A000-memory.dmp

Filesize
40KB

Download
memory/1868-7-0x0000000005280000-0x00000000052D6000-memory.dmp

Filesize
344KB

Download
memory/1868-0-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/1868-3-0x00000000055F0000-0x0000000005B94000-memory.dmp

Filesize
5.6MB

Download
memory/1868-10-0x0000000004F20000-0x0000000004F30000-memory.dmp

Filesize
64KB

Download
memory/1868-11-0x0000000008D90000-0x0000000008E0C000-memory.dmp

Filesize
496KB

Download
memory/1868-12-0x0000000008E10000-0x0000000008E44000-memory.dmp

Filesize
208KB

Download
memory/1868-2-0x0000000004FA0000-0x000000000503C000-memory.dmp

Filesize
624KB

Download
memory/1868-15-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/1868-1-0x00000000004B0000-0x0000000000586000-memory.dmp

Filesize
856KB

Download