xloader | f1d7ead1ca0f3e39c12bf5b67bb35cfc745acf0f587c2d6ce45eb2904f44aaa7

Analysis

max time kernel
147s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-01-2025 16:03

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General

Target

$PLUGINSDIR/hkdklixzga.dll
Size

19KB
MD5

fe53df25d11886ebd5c24164328ca8bf
SHA1

3d051e82d0bd8bbd4c5647ab11a36e8fe0407631
SHA256

d3827d83d541e98cff0bb89a27c2db75e59b62ed57a934cc8c9e6a9623864716
SHA512

578a786ea59572ae33b245314493bfda501eadde6bfcad2e20fd45e39e7d2e6e237403ed912f38aebd3fa79c582f27e7846f0896e22e01d1e276abcb8b32eecc
SSDEEP

192:JPEvK1NldFntndU2KQb3s63lfap1J24HrrdbY2T2/pa7Na7x36Af6TdzFIiqsXQ/:xEC1rdFtdUsnap1o4HOXpa7hAClH4f

Score

10^/10

xloader u5eh discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

u5eh

Decoy

tryafaq.com

bobcathntshop.com

oglead.com

026skz.xyz

brasbux.com

adna17.com

noveltyrofjiy.xyz

realestatecompanys.com

leman-web.com

df5686.com

jonathonhawkins.com

juliedominyfloralartistry.com

classyeventsco.com

aquaticatt.com

iotworld.xyz

hoc8.com

disposablediapers.store

peregovorim.online

advancebits.club

getaburialplan.com

Signatures

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

Xloader payload 3 IoCs

rat

resource	yara_rule
behavioral3/memory/2312-1-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral3/memory/2312-4-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral3/memory/2080-10-0x0000000000090000-0x00000000000B9000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1416 set thread context of 2312	1416	rundll32.exe	32
PID 2312 set thread context of 1144	2312	rundll32.exe	20
PID 2080 set thread context of 1144	2080	cmstp.exe	20

System Location Discovery: System Language Discovery 1 TTPs 4 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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmstp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2312	rundll32.exe
2312	rundll32.exe
2080	cmstp.exe
2080	cmstp.exe
2080	cmstp.exe
2080	cmstp.exe
2080	cmstp.exe
2080	cmstp.exe
2080	cmstp.exe
2080	cmstp.exe
2080	cmstp.exe
2080	cmstp.exe
2080	cmstp.exe
2080	cmstp.exe
2080	cmstp.exe
2080	cmstp.exe
2080	cmstp.exe
2080	cmstp.exe
2080	cmstp.exe
2080	cmstp.exe
2080	cmstp.exe
2080	cmstp.exe
2080	cmstp.exe
2080	cmstp.exe
2080	cmstp.exe
2080	cmstp.exe
2080	cmstp.exe
2080	cmstp.exe
2080	cmstp.exe
2080	cmstp.exe
2080	cmstp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2312	rundll32.exe
2312	rundll32.exe
2312	rundll32.exe
2080	cmstp.exe
2080	cmstp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2312	rundll32.exe
Token: SeDebugPrivilege	2080	cmstp.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 1416	2244	rundll32.exe	31
PID 2244 wrote to memory of 1416	2244	rundll32.exe	31
PID 2244 wrote to memory of 1416	2244	rundll32.exe	31
PID 2244 wrote to memory of 1416	2244	rundll32.exe	31
PID 2244 wrote to memory of 1416	2244	rundll32.exe	31
PID 2244 wrote to memory of 1416	2244	rundll32.exe	31
PID 2244 wrote to memory of 1416	2244	rundll32.exe	31
PID 1416 wrote to memory of 2312	1416	rundll32.exe	32
PID 1416 wrote to memory of 2312	1416	rundll32.exe	32
PID 1416 wrote to memory of 2312	1416	rundll32.exe	32
PID 1416 wrote to memory of 2312	1416	rundll32.exe	32
PID 1416 wrote to memory of 2312	1416	rundll32.exe	32
PID 1416 wrote to memory of 2312	1416	rundll32.exe	32
PID 1416 wrote to memory of 2312	1416	rundll32.exe	32
PID 1416 wrote to memory of 2312	1416	rundll32.exe	32
PID 1416 wrote to memory of 2312	1416	rundll32.exe	32
PID 1416 wrote to memory of 2312	1416	rundll32.exe	32
PID 1144 wrote to memory of 2080	1144	Explorer.EXE	33
PID 1144 wrote to memory of 2080	1144	Explorer.EXE	33
PID 1144 wrote to memory of 2080	1144	Explorer.EXE	33
PID 1144 wrote to memory of 2080	1144	Explorer.EXE	33
PID 1144 wrote to memory of 2080	1144	Explorer.EXE	33
PID 1144 wrote to memory of 2080	1144	Explorer.EXE	33
PID 1144 wrote to memory of 2080	1144	Explorer.EXE	33
PID 2080 wrote to memory of 1048	2080	cmstp.exe	34
PID 2080 wrote to memory of 1048	2080	cmstp.exe	34
PID 2080 wrote to memory of 1048	2080	cmstp.exe	34
PID 2080 wrote to memory of 1048	2080	cmstp.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1144
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\hkdklixzga.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2244
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\hkdklixzga.dll,#1
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1416
  - - C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\hkdklixzga.dll,#1
      4⤵
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:2312
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.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:2080
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\rundll32.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1048

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

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Downloads

memory/1144-7-0x00000000048B0000-0x0000000004A0D000-memory.dmp

Filesize
1.4MB

Download
memory/1144-11-0x00000000048B0000-0x0000000004A0D000-memory.dmp

Filesize
1.4MB

Download
memory/1416-0-0x0000000075105000-0x0000000075107000-memory.dmp

Filesize
8KB

Download
memory/2080-8-0x0000000000E10000-0x0000000000E28000-memory.dmp

Filesize
96KB

Download
memory/2080-9-0x0000000000E10000-0x0000000000E28000-memory.dmp

Filesize
96KB

Download
memory/2080-10-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/2312-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2312-2-0x0000000002240000-0x0000000002543000-memory.dmp

Filesize
3.0MB

Download
memory/2312-5-0x0000000000230000-0x0000000000241000-memory.dmp

Filesize
68KB

Download
memory/2312-4-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download