xloader | 4120bf826ec0e18ebc746e256c8b07098af2852ef88687615e6ebcaeb767a074

General

Target

New Order062421.exe
Size

773KB
MD5

ec64c996d1f3cf242cc9868682953cb9
SHA1

efcfba0d2909717c223f648f99f7267626aa181c
SHA256

872d03fd7d4748230a0e84593f7a29c36f70a5c711ed4a4dc2c11a9d9774d06a
SHA512

80bc57f702810576b236033fcd46d210d0c5027a197a377384c9acc841e7d83b943051635adf56e856ba17370254b0485e87c7f3be2c89f1ec8e13ce60057bb1
SSDEEP

12288:wjg0JZaF75GF2ezGWSE5D1kIpNJxZ33IBSR+EAD3xDYTyJFIzeLBsvYJbUBQ+138:1bvhEp1OB2M5YTyJmKlsv2a5Cb

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
behavioral2/memory/3636-13-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/3636-18-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/3100-23-0x0000000000710000-0x0000000000738000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1808 set thread context of 3636	1808	New Order062421.exe	99
PID 3636 set thread context of 3440	3636	New Order062421.exe	56
PID 3100 set thread context of 3440	3100	NETSTAT.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	New Order062421.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NETSTAT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
3100	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 40 IoCs

pid	Process
3636	New Order062421.exe
3636	New Order062421.exe
3636	New Order062421.exe
3636	New Order062421.exe
3100	NETSTAT.EXE
3100	NETSTAT.EXE
3100	NETSTAT.EXE
3100	NETSTAT.EXE
3100	NETSTAT.EXE
3100	NETSTAT.EXE
3100	NETSTAT.EXE
3100	NETSTAT.EXE
3100	NETSTAT.EXE
3100	NETSTAT.EXE
3100	NETSTAT.EXE
3100	NETSTAT.EXE
3100	NETSTAT.EXE
3100	NETSTAT.EXE
3100	NETSTAT.EXE
3100	NETSTAT.EXE
3100	NETSTAT.EXE
3100	NETSTAT.EXE
3100	NETSTAT.EXE
3100	NETSTAT.EXE
3100	NETSTAT.EXE
3100	NETSTAT.EXE
3100	NETSTAT.EXE
3100	NETSTAT.EXE
3100	NETSTAT.EXE
3100	NETSTAT.EXE
3100	NETSTAT.EXE
3100	NETSTAT.EXE
3100	NETSTAT.EXE
3100	NETSTAT.EXE
3100	NETSTAT.EXE
3100	NETSTAT.EXE
3100	NETSTAT.EXE
3100	NETSTAT.EXE
3100	NETSTAT.EXE
3100	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3636	New Order062421.exe
3636	New Order062421.exe
3636	New Order062421.exe
3100	NETSTAT.EXE
3100	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3636	New Order062421.exe
Token: SeDebugPrivilege	3100	NETSTAT.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1808 wrote to memory of 3636	1808	New Order062421.exe	99
PID 1808 wrote to memory of 3636	1808	New Order062421.exe	99
PID 1808 wrote to memory of 3636	1808	New Order062421.exe	99
PID 1808 wrote to memory of 3636	1808	New Order062421.exe	99
PID 1808 wrote to memory of 3636	1808	New Order062421.exe	99
PID 1808 wrote to memory of 3636	1808	New Order062421.exe	99
PID 3440 wrote to memory of 3100	3440	Explorer.EXE	100
PID 3440 wrote to memory of 3100	3440	Explorer.EXE	100
PID 3440 wrote to memory of 3100	3440	Explorer.EXE	100
PID 3100 wrote to memory of 3160	3100	NETSTAT.EXE	102
PID 3100 wrote to memory of 3160	3100	NETSTAT.EXE	102
PID 3100 wrote to memory of 3160	3100	NETSTAT.EXE	102

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3440
- C:\Users\Admin\AppData\Local\Temp\New Order062421.exe
  "C:\Users\Admin\AppData\Local\Temp\New Order062421.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1808
- - C:\Users\Admin\AppData\Local\Temp\New Order062421.exe
    "C:\Users\Admin\AppData\Local\Temp\New Order062421.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3636
- C:\Windows\SysWOW64\NETSTAT.EXE
  "C:\Windows\SysWOW64\NETSTAT.EXE"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3100
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\New Order062421.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3160

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

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Downloads

memory/1808-12-0x00000000096A0000-0x00000000096E2000-memory.dmp

Filesize
264KB

Download
memory/1808-7-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download
memory/1808-2-0x0000000004C90000-0x0000000004D2C000-memory.dmp

Filesize
624KB

Download
memory/1808-3-0x00000000052E0000-0x0000000005884000-memory.dmp

Filesize
5.6MB

Download
memory/1808-4-0x0000000004D30000-0x0000000004DC2000-memory.dmp

Filesize
584KB

Download
memory/1808-5-0x0000000004C80000-0x0000000004C8A000-memory.dmp

Filesize
40KB

Download
memory/1808-6-0x0000000004E30000-0x0000000004E86000-memory.dmp

Filesize
344KB

Download
memory/1808-0-0x000000007505E000-0x000000007505F000-memory.dmp

Filesize
4KB

Download
memory/1808-8-0x00000000052D0000-0x00000000052E6000-memory.dmp

Filesize
88KB

Download
memory/1808-9-0x000000007505E000-0x000000007505F000-memory.dmp

Filesize
4KB

Download
memory/1808-10-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download
memory/1808-1-0x00000000001C0000-0x0000000000288000-memory.dmp

Filesize
800KB

Download
memory/1808-15-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download
memory/1808-11-0x0000000007000000-0x0000000007080000-memory.dmp

Filesize
512KB

Download
memory/3100-23-0x0000000000710000-0x0000000000738000-memory.dmp

Filesize
160KB

Download
memory/3100-22-0x0000000000920000-0x000000000092B000-memory.dmp

Filesize
44KB

Download
memory/3100-21-0x0000000000920000-0x000000000092B000-memory.dmp

Filesize
44KB

Download
memory/3440-20-0x0000000002800000-0x000000000292F000-memory.dmp

Filesize
1.2MB

Download
memory/3440-27-0x0000000002C70000-0x0000000002D1B000-memory.dmp

Filesize
684KB

Download
memory/3440-28-0x0000000002C70000-0x0000000002D1B000-memory.dmp

Filesize
684KB

Download
memory/3636-16-0x00000000011A0000-0x00000000014EA000-memory.dmp

Filesize
3.3MB

Download
memory/3636-19-0x0000000000C80000-0x0000000000C90000-memory.dmp

Filesize
64KB

Download
memory/3636-18-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3636-13-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download

Analysis

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