xloader | f619fb726d311b2033a309fed7ab9ef5edbab6b26a2cb9ba03246d3be86d6dbc

General

Target

PaymentConfirmation.pdf.exe
Size

1014KB
MD5

f2a0c0fca9e437943ac26f4a5a550c3b
SHA1

a564eb697909bcf14793847e6d4932505484cfd1
SHA256

ad1fd339fec0509bf7e080d05d7ab6d4a2e66c5a6c6e2ccb28d3452852fea15b
SHA512

1a2f2247419d7575daeeab51012049f512c7900e5f05e654f79c8d08e3baf6d239cc1020ace6fe1ace393222bd70d2e4539e13abbe10575987da7c253e244074
SSDEEP

12288:bszf287Whiwuo3hqUxX7FklStMGlDHwvgiuHL1QqVrV6Tbk+nKe:bUf2JhLX7Fkle5DHjHL1QqzKbBJ

Score

10^/10

xloader jeiq discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

jeiq

Decoy

casuallyso.com

mismirasoles.com

nunostacos.com

zboubdiel.com

eternellebynh.com

radsum.info

sddianshang56.com

citriodiolspray.com

khoza3a.com

reelhooker-phuket.com

pumpbrokers.com

wallstreetbnb.com

realestatewithtiff.com

rockstarleading.com

goddesslovebeauty.com

zulaolao.com

openwateradventurers.com

xn--zqsv0e44iqw9c.space

lingxiaojiaoyu.com

wetrabbitexpress.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/428-13-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/428-18-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/3708-23-0x0000000000AF0000-0x0000000000B18000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4460 set thread context of 428	4460	PaymentConfirmation.pdf.exe	102
PID 428 set thread context of 3532	428	PaymentConfirmation.pdf.exe	56
PID 3708 set thread context of 3532	3708	msdt.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	PaymentConfirmation.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 40 IoCs

pid	Process
428	PaymentConfirmation.pdf.exe
428	PaymentConfirmation.pdf.exe
428	PaymentConfirmation.pdf.exe
428	PaymentConfirmation.pdf.exe
3708	msdt.exe
3708	msdt.exe
3708	msdt.exe
3708	msdt.exe
3708	msdt.exe
3708	msdt.exe
3708	msdt.exe
3708	msdt.exe
3708	msdt.exe
3708	msdt.exe
3708	msdt.exe
3708	msdt.exe
3708	msdt.exe
3708	msdt.exe
3708	msdt.exe
3708	msdt.exe
3708	msdt.exe
3708	msdt.exe
3708	msdt.exe
3708	msdt.exe
3708	msdt.exe
3708	msdt.exe
3708	msdt.exe
3708	msdt.exe
3708	msdt.exe
3708	msdt.exe
3708	msdt.exe
3708	msdt.exe
3708	msdt.exe
3708	msdt.exe
3708	msdt.exe
3708	msdt.exe
3708	msdt.exe
3708	msdt.exe
3708	msdt.exe
3708	msdt.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
428	PaymentConfirmation.pdf.exe
428	PaymentConfirmation.pdf.exe
428	PaymentConfirmation.pdf.exe
3708	msdt.exe
3708	msdt.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	428	PaymentConfirmation.pdf.exe
Token: SeDebugPrivilege	3708	msdt.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4460 wrote to memory of 428	4460	PaymentConfirmation.pdf.exe	102
PID 4460 wrote to memory of 428	4460	PaymentConfirmation.pdf.exe	102
PID 4460 wrote to memory of 428	4460	PaymentConfirmation.pdf.exe	102
PID 4460 wrote to memory of 428	4460	PaymentConfirmation.pdf.exe	102
PID 4460 wrote to memory of 428	4460	PaymentConfirmation.pdf.exe	102
PID 4460 wrote to memory of 428	4460	PaymentConfirmation.pdf.exe	102
PID 3532 wrote to memory of 3708	3532	Explorer.EXE	103
PID 3532 wrote to memory of 3708	3532	Explorer.EXE	103
PID 3532 wrote to memory of 3708	3532	Explorer.EXE	103
PID 3708 wrote to memory of 4816	3708	msdt.exe	104
PID 3708 wrote to memory of 4816	3708	msdt.exe	104
PID 3708 wrote to memory of 4816	3708	msdt.exe	104

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3532
- C:\Users\Admin\AppData\Local\Temp\PaymentConfirmation.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\PaymentConfirmation.pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4460
- - C:\Users\Admin\AppData\Local\Temp\PaymentConfirmation.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\PaymentConfirmation.pdf.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:428
- C:\Windows\SysWOW64\msdt.exe
  "C:\Windows\SysWOW64\msdt.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:3708
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\PaymentConfirmation.pdf.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4816

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/428-13-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/428-18-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/428-19-0x00000000015A0000-0x00000000015B0000-memory.dmp

Filesize
64KB

Download
memory/428-16-0x0000000001610000-0x000000000195A000-memory.dmp

Filesize
3.3MB

Download
memory/3532-31-0x0000000002A00000-0x0000000002AAC000-memory.dmp

Filesize
688KB

Download
memory/3532-29-0x0000000002A00000-0x0000000002AAC000-memory.dmp

Filesize
688KB

Download
memory/3532-28-0x0000000002A00000-0x0000000002AAC000-memory.dmp

Filesize
688KB

Download
memory/3532-24-0x00000000082F0000-0x0000000008479000-memory.dmp

Filesize
1.5MB

Download
memory/3532-20-0x00000000082F0000-0x0000000008479000-memory.dmp

Filesize
1.5MB

Download
memory/3708-23-0x0000000000AF0000-0x0000000000B18000-memory.dmp

Filesize
160KB

Download
memory/3708-22-0x00000000004C0000-0x0000000000517000-memory.dmp

Filesize
348KB

Download
memory/3708-21-0x00000000004C0000-0x0000000000517000-memory.dmp

Filesize
348KB

Download
memory/4460-6-0x00000000743E0000-0x0000000074B90000-memory.dmp

Filesize
7.7MB

Download
memory/4460-7-0x0000000004E00000-0x0000000004E56000-memory.dmp

Filesize
344KB

Download
memory/4460-15-0x00000000743E0000-0x0000000074B90000-memory.dmp

Filesize
7.7MB

Download
memory/4460-11-0x00000000062A0000-0x0000000006334000-memory.dmp

Filesize
592KB

Download
memory/4460-10-0x00000000743E0000-0x0000000074B90000-memory.dmp

Filesize
7.7MB

Download
memory/4460-9-0x00000000743EE000-0x00000000743EF000-memory.dmp

Filesize
4KB

Download
memory/4460-8-0x00000000082A0000-0x00000000082B6000-memory.dmp

Filesize
88KB

Download
memory/4460-12-0x0000000007680000-0x00000000076DA000-memory.dmp

Filesize
360KB

Download
memory/4460-0-0x00000000743EE000-0x00000000743EF000-memory.dmp

Filesize
4KB

Download
memory/4460-5-0x0000000004C00000-0x0000000004C0A000-memory.dmp

Filesize
40KB

Download
memory/4460-4-0x0000000004C70000-0x0000000004D02000-memory.dmp

Filesize
584KB

Download
memory/4460-3-0x0000000005180000-0x0000000005724000-memory.dmp

Filesize
5.6MB

Download
memory/4460-2-0x0000000004B30000-0x0000000004BCC000-memory.dmp

Filesize
624KB

Download
memory/4460-1-0x0000000000090000-0x0000000000192000-memory.dmp

Filesize
1.0MB

Download

Analysis

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