xloader | e58040ca544dd66359a8937addea0bc7749b3b724015b6b4b251216bdbe2ce58

General

Target

JSEX10210033.exe
Size

659KB
MD5

8ca280d8728f0b0e03ad27ec04024732
SHA1

defbb74a6049ee6fb6070e535bd58942c10d4d60
SHA256

5480270e0354df8f209301009f1ef6f1a1c39b800a7fb0c5d5d69c4a81441cc5
SHA512

dee1a463a664ff5b016f774bd72245f3e76b31d81aae033290c3dc6a62a6761330c800dd46ef3421b863370feebec6e8fc2aff56d766d378416ed50e4dda2437
SSDEEP

6144:h8/dDx5ItULlPpukQe9QDfgAxmNzWdjPCUaR6nt2Nr3Dyq4MAsTrw4Jh0k:6/ZDRJQea/azWdjK6KDyMAK1

Score

10^/10

xloader fo8q discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

fo8q

Decoy

idesignbymadelinefl.com

finleygoods.com

hfxyyq.com

jjhh9656.com

superstarcoding.com

synergybridges.com

fantom.art

zebramovie.com

keephimmine.com

cmbego.com

shreegurudattaenterprises.com

appcoinsupport.services

roysecitystorage.com

gentlemensstories.com

hubinternationalinnovation.com

letscleartheairnow.com

strueyouneedto.space

schoolofsevens.com

cannaonline.net

slimmersite.com

Signatures

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

Xloader payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/2012-11-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/2012-16-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/2012-20-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/1380-28-0x0000000000AB0000-0x0000000000AD9000-memory.dmp	xloader

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3172 set thread context of 2012	3172	JSEX10210033.exe	90
PID 2012 set thread context of 3500	2012	JSEX10210033.exe	56
PID 2012 set thread context of 3500	2012	JSEX10210033.exe	56
PID 1380 set thread context of 3500	1380	wlanext.exe	56

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JSEX10210033.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JSEX10210033.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wlanext.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

pid	Process
2012	JSEX10210033.exe
2012	JSEX10210033.exe
2012	JSEX10210033.exe
2012	JSEX10210033.exe
2012	JSEX10210033.exe
2012	JSEX10210033.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe
1380	wlanext.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2012	JSEX10210033.exe
2012	JSEX10210033.exe
2012	JSEX10210033.exe
2012	JSEX10210033.exe
1380	wlanext.exe
1380	wlanext.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2012	JSEX10210033.exe
Token: SeDebugPrivilege	1380	wlanext.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3172 wrote to memory of 2012	3172	JSEX10210033.exe	90
PID 3172 wrote to memory of 2012	3172	JSEX10210033.exe	90
PID 3172 wrote to memory of 2012	3172	JSEX10210033.exe	90
PID 3172 wrote to memory of 2012	3172	JSEX10210033.exe	90
PID 3172 wrote to memory of 2012	3172	JSEX10210033.exe	90
PID 3172 wrote to memory of 2012	3172	JSEX10210033.exe	90
PID 2012 wrote to memory of 1380	2012	JSEX10210033.exe	98
PID 2012 wrote to memory of 1380	2012	JSEX10210033.exe	98
PID 2012 wrote to memory of 1380	2012	JSEX10210033.exe	98
PID 1380 wrote to memory of 3284	1380	wlanext.exe	99
PID 1380 wrote to memory of 3284	1380	wlanext.exe	99
PID 1380 wrote to memory of 3284	1380	wlanext.exe	99

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3500
- C:\Users\Admin\AppData\Local\Temp\JSEX10210033.exe
  "C:\Users\Admin\AppData\Local\Temp\JSEX10210033.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3172
- - C:\Users\Admin\AppData\Local\Temp\JSEX10210033.exe
    "C:\Users\Admin\AppData\Local\Temp\JSEX10210033.exe"
    3⤵
    - 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:2012
  - - C:\Windows\SysWOW64\wlanext.exe
      "C:\Windows\SysWOW64\wlanext.exe"
      4⤵
      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:1380
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Users\Admin\AppData\Local\Temp\JSEX10210033.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:3284
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2364
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:4924
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:4908
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:4572
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:3900
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:4596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1380-28-0x0000000000AB0000-0x0000000000AD9000-memory.dmp

Filesize
164KB

Download
memory/1380-26-0x0000000000EE0000-0x0000000000EF7000-memory.dmp

Filesize
92KB

Download
memory/1380-24-0x0000000000EE0000-0x0000000000EF7000-memory.dmp

Filesize
92KB

Download
memory/2012-11-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2012-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2012-21-0x0000000001550000-0x0000000001561000-memory.dmp

Filesize
68KB

Download
memory/2012-16-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2012-17-0x0000000001500000-0x0000000001511000-memory.dmp

Filesize
68KB

Download
memory/2012-14-0x00000000015C0000-0x000000000190A000-memory.dmp

Filesize
3.3MB

Download
memory/3172-6-0x0000000005FB0000-0x0000000005FBC000-memory.dmp

Filesize
48KB

Download
memory/3172-2-0x0000000005FC0000-0x0000000006564000-memory.dmp

Filesize
5.6MB

Download
memory/3172-9-0x0000000007460000-0x00000000074FC000-memory.dmp

Filesize
624KB

Download
memory/3172-13-0x00000000752D0000-0x0000000075A80000-memory.dmp

Filesize
7.7MB

Download
memory/3172-8-0x00000000752D0000-0x0000000075A80000-memory.dmp

Filesize
7.7MB

Download
memory/3172-1-0x0000000000E90000-0x0000000000F3A000-memory.dmp

Filesize
680KB

Download
memory/3172-7-0x00000000752DE000-0x00000000752DF000-memory.dmp

Filesize
4KB

Download
memory/3172-0-0x00000000752DE000-0x00000000752DF000-memory.dmp

Filesize
4KB

Download
memory/3172-10-0x0000000007550000-0x00000000075A2000-memory.dmp

Filesize
328KB

Download
memory/3172-5-0x00000000059C0000-0x00000000059CA000-memory.dmp

Filesize
40KB

Download
memory/3172-4-0x00000000752D0000-0x0000000075A80000-memory.dmp

Filesize
7.7MB

Download
memory/3172-3-0x0000000005900000-0x0000000005992000-memory.dmp

Filesize
584KB

Download
memory/3500-23-0x0000000002820000-0x00000000029A0000-memory.dmp

Filesize
1.5MB

Download
memory/3500-22-0x0000000002BB0000-0x0000000002C6B000-memory.dmp

Filesize
748KB

Download
memory/3500-27-0x0000000002BB0000-0x0000000002C6B000-memory.dmp

Filesize
748KB

Download
memory/3500-18-0x0000000002820000-0x00000000029A0000-memory.dmp

Filesize
1.5MB

Download
memory/3500-31-0x00000000084B0000-0x0000000008568000-memory.dmp

Filesize
736KB

Download
memory/3500-32-0x00000000084B0000-0x0000000008568000-memory.dmp

Filesize
736KB

Download

Analysis

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