xloader | 6fe5f9776feb1cd525c980cefb016febf1f33bb8c5e47b4ac94a97e5c7f5354b

General

Target

Enquiry#List For Order070621.exe
Size

1.4MB
MD5

3569ede0aa89e4e45138327e7fbdc182
SHA1

c70ae89d262a8d56982d9a2035ae526f3092148d
SHA256

72ea41f7ce02b41072d1dce424f9e4a2a7c9e414c1038d26a11f685a3371473e
SHA512

51ab6044068a2c5a3a01d5a20f35803bb6cc347c953c8cfe0a7692e8215ed48dace8f90391c9c9262dd9af6532b9c6fa1c77e3a424fae3d9d59aca1237f9222e
SSDEEP

12288:1ob5aIMVjLz7T6IiOcej3gVZsZZZsZoReMHakDjBW8BBJOsUwv+uEPzxvaM/HgOg:piOtReMHl3zJTUkBM/A9HVWVaPTnpD

Score

10^/10

xloader rnn4 discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

rnn4

Decoy

saruroman.com

backendfurnitureconsulting.com

invitadito.com

aqemelearning.com

unitedphonerepair.com

xn--l6qt3dk7equidt4a.net

us-pride-day.com

refund.homes

gilanfarrconstruction.com

856380691.xyz

aerolabqhd.com

collective36.com

binhminhxanh.club

droogskateboards.com

thinkbest11.com

realisticallywritten.com

elderlyjustification.com

betteraff.net

freeworkpays.com

callistatease.com

Signatures

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

Xloader payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2156-15-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2156-19-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2928-24-0x0000000000080000-0x00000000000A8000-memory.dmp	xloader

Deletes itself 1 IoCs

pid	Process
2812	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2632 set thread context of 2156	2632	Enquiry#List For Order070621.exe	31
PID 2156 set thread context of 1184	2156	Enquiry#List For Order070621.exe	21
PID 2928 set thread context of 1184	2928	wlanext.exe	21

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	wlanext.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Enquiry#List For Order070621.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
2156	Enquiry#List For Order070621.exe
2156	Enquiry#List For Order070621.exe
2928	wlanext.exe
2928	wlanext.exe
2928	wlanext.exe
2928	wlanext.exe
2928	wlanext.exe
2928	wlanext.exe
2928	wlanext.exe
2928	wlanext.exe
2928	wlanext.exe
2928	wlanext.exe
2928	wlanext.exe
2928	wlanext.exe
2928	wlanext.exe
2928	wlanext.exe
2928	wlanext.exe
2928	wlanext.exe
2928	wlanext.exe
2928	wlanext.exe
2928	wlanext.exe
2928	wlanext.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2156	Enquiry#List For Order070621.exe
2156	Enquiry#List For Order070621.exe
2156	Enquiry#List For Order070621.exe
2928	wlanext.exe
2928	wlanext.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2156	Enquiry#List For Order070621.exe
Token: SeDebugPrivilege	2928	wlanext.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2632 wrote to memory of 2156	2632	Enquiry#List For Order070621.exe	31
PID 2632 wrote to memory of 2156	2632	Enquiry#List For Order070621.exe	31
PID 2632 wrote to memory of 2156	2632	Enquiry#List For Order070621.exe	31
PID 2632 wrote to memory of 2156	2632	Enquiry#List For Order070621.exe	31
PID 2632 wrote to memory of 2156	2632	Enquiry#List For Order070621.exe	31
PID 2632 wrote to memory of 2156	2632	Enquiry#List For Order070621.exe	31
PID 2632 wrote to memory of 2156	2632	Enquiry#List For Order070621.exe	31
PID 1184 wrote to memory of 2928	1184	Explorer.EXE	32
PID 1184 wrote to memory of 2928	1184	Explorer.EXE	32
PID 1184 wrote to memory of 2928	1184	Explorer.EXE	32
PID 1184 wrote to memory of 2928	1184	Explorer.EXE	32
PID 2928 wrote to memory of 2812	2928	wlanext.exe	33
PID 2928 wrote to memory of 2812	2928	wlanext.exe	33
PID 2928 wrote to memory of 2812	2928	wlanext.exe	33
PID 2928 wrote to memory of 2812	2928	wlanext.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1184
- C:\Users\Admin\AppData\Local\Temp\Enquiry#List For Order070621.exe
  "C:\Users\Admin\AppData\Local\Temp\Enquiry#List For Order070621.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2632
- - C:\Users\Admin\AppData\Local\Temp\Enquiry#List For Order070621.exe
    "C:\Users\Admin\AppData\Local\Temp\Enquiry#List For Order070621.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2156
- C:\Windows\SysWOW64\wlanext.exe
  "C:\Windows\SysWOW64\wlanext.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:2928
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Enquiry#List For Order070621.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2812

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/1184-21-0x0000000007730000-0x0000000007893000-memory.dmp

Filesize
1.4MB

Download
memory/1184-25-0x0000000007730000-0x0000000007893000-memory.dmp

Filesize
1.4MB

Download
memory/2156-19-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2156-10-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2156-20-0x0000000000160000-0x0000000000170000-memory.dmp

Filesize
64KB

Download
memory/2156-17-0x0000000000CA0000-0x0000000000FA3000-memory.dmp

Filesize
3.0MB

Download
memory/2156-15-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2156-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2156-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2632-7-0x00000000005E0000-0x0000000000622000-memory.dmp

Filesize
264KB

Download
memory/2632-3-0x0000000000330000-0x0000000000344000-memory.dmp

Filesize
80KB

Download
memory/2632-6-0x00000000052C0000-0x0000000005340000-memory.dmp

Filesize
512KB

Download
memory/2632-16-0x0000000074680000-0x0000000074D6E000-memory.dmp

Filesize
6.9MB

Download
memory/2632-5-0x0000000074680000-0x0000000074D6E000-memory.dmp

Filesize
6.9MB

Download
memory/2632-4-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/2632-0-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/2632-2-0x0000000074680000-0x0000000074D6E000-memory.dmp

Filesize
6.9MB

Download
memory/2632-1-0x0000000000B30000-0x0000000000C9A000-memory.dmp

Filesize
1.4MB

Download
memory/2928-23-0x0000000000790000-0x00000000007A6000-memory.dmp

Filesize
88KB

Download
memory/2928-22-0x0000000000790000-0x00000000007A6000-memory.dmp

Filesize
88KB

Download
memory/2928-24-0x0000000000080000-0x00000000000A8000-memory.dmp

Filesize
160KB

Download

Analysis

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