xloader | cc4553246ad672baadc2e92ecebda07692e134ffc1a59a9712f0e040816cb465

General

Target

d1936278e94346fcf81b844608c0c63f_JaffaCakes118.exe
Size

931KB
MD5

d1936278e94346fcf81b844608c0c63f
SHA1

b24a049a5b97269bdf1fa068065305a154884725
SHA256

cc4553246ad672baadc2e92ecebda07692e134ffc1a59a9712f0e040816cb465
SHA512

5093b240042c039b1ebc19d832e3aa49e7c1cb4d2b7cf381dacc360cfa078ffc382d6b77abb1cd1e8d6695611da8895c41f6fa0c8d77a133c7891ca51eb2a73a
SSDEEP

24576:eh5qHROgkvJ6SBrGI4OX0nw59ACtu8UqjKboM:LxvIkSBDXZ9ACI8U30M

Score

10^/10

xloader q4kr discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

q4kr

Decoy

realmodapk.com

hanoharuka.com

shivalikspiritualproducts.com

womenshealthclinincagra.com

racketpark.com

startuporig.com

azkachinas.com

klanblog.com

linuxradio.tools

siteoficial-liquida.com

glsbuyer.com

bestdeez.com

teens2cash.com

valleyviewconstruct.com

myfortniteskins.com

cambecare.com

csec2011.com

idookap.com

warmwallsrecords.com

smartmirror.one

Signatures

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

Xloader payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/744-13-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/744-19-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/4952-23-0x0000000000460000-0x0000000000489000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2492 set thread context of 744	2492	d1936278e94346fcf81b844608c0c63f_JaffaCakes118.exe	91
PID 744 set thread context of 3468	744	RegSvcs.exe	56
PID 4952 set thread context of 3468	4952	chkdsk.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d1936278e94346fcf81b844608c0c63f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chkdsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 45 IoCs

pid	Process
2492	d1936278e94346fcf81b844608c0c63f_JaffaCakes118.exe
744	RegSvcs.exe
744	RegSvcs.exe
744	RegSvcs.exe
744	RegSvcs.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe
4952	chkdsk.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
744	RegSvcs.exe
744	RegSvcs.exe
744	RegSvcs.exe
4952	chkdsk.exe
4952	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2492	d1936278e94346fcf81b844608c0c63f_JaffaCakes118.exe
Token: SeDebugPrivilege	744	RegSvcs.exe
Token: SeDebugPrivilege	4952	chkdsk.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 744	2492	d1936278e94346fcf81b844608c0c63f_JaffaCakes118.exe	91
PID 2492 wrote to memory of 744	2492	d1936278e94346fcf81b844608c0c63f_JaffaCakes118.exe	91
PID 2492 wrote to memory of 744	2492	d1936278e94346fcf81b844608c0c63f_JaffaCakes118.exe	91
PID 2492 wrote to memory of 744	2492	d1936278e94346fcf81b844608c0c63f_JaffaCakes118.exe	91
PID 2492 wrote to memory of 744	2492	d1936278e94346fcf81b844608c0c63f_JaffaCakes118.exe	91
PID 2492 wrote to memory of 744	2492	d1936278e94346fcf81b844608c0c63f_JaffaCakes118.exe	91
PID 3468 wrote to memory of 4952	3468	Explorer.EXE	92
PID 3468 wrote to memory of 4952	3468	Explorer.EXE	92
PID 3468 wrote to memory of 4952	3468	Explorer.EXE	92
PID 4952 wrote to memory of 4720	4952	chkdsk.exe	93
PID 4952 wrote to memory of 4720	4952	chkdsk.exe	93
PID 4952 wrote to memory of 4720	4952	chkdsk.exe	93

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3468
- C:\Users\Admin\AppData\Local\Temp\d1936278e94346fcf81b844608c0c63f_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d1936278e94346fcf81b844608c0c63f_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2492
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:744
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4952
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4720

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/744-13-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/744-17-0x0000000001250000-0x000000000159A000-memory.dmp

Filesize
3.3MB

Download
memory/744-18-0x0000000000D00000-0x0000000000D10000-memory.dmp

Filesize
64KB

Download
memory/744-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2492-12-0x0000000009AC0000-0x0000000009AEE000-memory.dmp

Filesize
184KB

Download
memory/2492-3-0x0000000005F70000-0x0000000006514000-memory.dmp

Filesize
5.6MB

Download
memory/2492-6-0x0000000005AC0000-0x0000000005ACA000-memory.dmp

Filesize
40KB

Download
memory/2492-7-0x0000000005B90000-0x0000000005BE6000-memory.dmp

Filesize
344KB

Download
memory/2492-8-0x0000000005D70000-0x0000000005D86000-memory.dmp

Filesize
88KB

Download
memory/2492-9-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

Filesize
4KB

Download
memory/2492-10-0x0000000074B30000-0x00000000752E0000-memory.dmp

Filesize
7.7MB

Download
memory/2492-11-0x0000000007470000-0x000000000750E000-memory.dmp

Filesize
632KB

Download
memory/2492-0-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

Filesize
4KB

Download
memory/2492-4-0x00000000059C0000-0x0000000005A52000-memory.dmp

Filesize
584KB

Download
memory/2492-15-0x0000000074B30000-0x00000000752E0000-memory.dmp

Filesize
7.7MB

Download
memory/2492-5-0x0000000074B30000-0x00000000752E0000-memory.dmp

Filesize
7.7MB

Download
memory/2492-2-0x0000000005920000-0x00000000059BC000-memory.dmp

Filesize
624KB

Download
memory/2492-1-0x0000000000DE0000-0x0000000000ECE000-memory.dmp

Filesize
952KB

Download
memory/3468-20-0x0000000008D40000-0x0000000008E76000-memory.dmp

Filesize
1.2MB

Download
memory/3468-24-0x0000000008D40000-0x0000000008E76000-memory.dmp

Filesize
1.2MB

Download
memory/3468-28-0x0000000009070000-0x0000000009198000-memory.dmp

Filesize
1.2MB

Download
memory/3468-29-0x0000000009070000-0x0000000009198000-memory.dmp

Filesize
1.2MB

Download
memory/4952-21-0x00000000004C0000-0x00000000004CA000-memory.dmp

Filesize
40KB

Download
memory/4952-22-0x00000000004C0000-0x00000000004CA000-memory.dmp

Filesize
40KB

Download
memory/4952-23-0x0000000000460000-0x0000000000489000-memory.dmp

Filesize
164KB

Download

Analysis

Sharing