xloader | ff4191cd45c422846962374580ca87a9498a5195d2046aa482b09031821e8964

General

Target

Final Drawing.exe
Size

1.0MB
MD5

bd8bbf1a258bc5708d360f819847b4f0
SHA1

0176aa8eac594513683dcbf3d691db721d13191b
SHA256

c15d8e554b95d2cca4c40e230109410825ca0547a6ce1ab153840f74206ac54b
SHA512

3bd8c706e5dd66d7ef5b514b4318d1c0de29d20a93405c40e572ba33be8b906ef4252b37aa127d103c9f447ed9cbec764a4332018d1f3406afec512e8c727ae3
SSDEEP

24576:gFAqJ/9KBndd5VcUt2y2uy2ZSYMCulEAVzvbu4i2m:OAiQBbc492fUcmwzvbu4G

Score

10^/10

xloader c46r discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

c46r

Decoy

petsfranchising.com

wpemdad.com

psikologtenaysude.com

bamdesserts1.com

sanjin.icu

mtdbooksnow.com

ycyxztjd.com

ref4drive.art

asik-qq.asia

myrecase.com

motherhenretta.com

duoduo163.com

bettercrackers.com

liveluxurylove.com

whitcese.com

pasang-iklan.online

new-transport.com

iumsf.com

svpcraft.com

shortbusfriends.com

Signatures

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

Xloader payload 5 IoCs

rat

resource	yara_rule
behavioral2/memory/4324-12-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/4324-17-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/4324-21-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/4524-30-0x00000000001D0000-0x00000000001F9000-memory.dmp	xloader
behavioral2/memory/4524-32-0x00000000001D0000-0x00000000001F9000-memory.dmp	xloader

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 4008 set thread context of 4324	4008	Final Drawing.exe	99
PID 4324 set thread context of 3424	4324	Final Drawing.exe	56
PID 4324 set thread context of 3424	4324	Final Drawing.exe	56
PID 4524 set thread context of 3424	4524	msiexec.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	Final Drawing.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

pid	Process
4324	Final Drawing.exe
4324	Final Drawing.exe
4324	Final Drawing.exe
4324	Final Drawing.exe
4324	Final Drawing.exe
4324	Final Drawing.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe
4524	msiexec.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
4324	Final Drawing.exe
4324	Final Drawing.exe
4324	Final Drawing.exe
4324	Final Drawing.exe
4524	msiexec.exe
4524	msiexec.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4324	Final Drawing.exe
Token: SeDebugPrivilege	4524	msiexec.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4008	Final Drawing.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
4008	Final Drawing.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4008 wrote to memory of 4324	4008	Final Drawing.exe	99
PID 4008 wrote to memory of 4324	4008	Final Drawing.exe	99
PID 4008 wrote to memory of 4324	4008	Final Drawing.exe	99
PID 4008 wrote to memory of 4324	4008	Final Drawing.exe	99
PID 4008 wrote to memory of 4324	4008	Final Drawing.exe	99
PID 4008 wrote to memory of 4324	4008	Final Drawing.exe	99
PID 3424 wrote to memory of 4524	3424	Explorer.EXE	100
PID 3424 wrote to memory of 4524	3424	Explorer.EXE	100
PID 3424 wrote to memory of 4524	3424	Explorer.EXE	100
PID 4524 wrote to memory of 1904	4524	msiexec.exe	101
PID 4524 wrote to memory of 1904	4524	msiexec.exe	101
PID 4524 wrote to memory of 1904	4524	msiexec.exe	101

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3424
- C:\Users\Admin\AppData\Local\Temp\Final Drawing.exe
  "C:\Users\Admin\AppData\Local\Temp\Final Drawing.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:4008
- - C:\Users\Admin\AppData\Local\Temp\Final Drawing.exe
    "C:\Users\Admin\AppData\Local\Temp\Final Drawing.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4324
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.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:4524
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Final Drawing.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1904

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/3424-40-0x0000000007DD0000-0x0000000007EBF000-memory.dmp

Filesize
956KB

Download
memory/3424-33-0x0000000008290000-0x0000000008413000-memory.dmp

Filesize
1.5MB

Download
memory/3424-23-0x0000000008290000-0x0000000008413000-memory.dmp

Filesize
1.5MB

Download
memory/3424-19-0x00000000023D0000-0x000000000250F000-memory.dmp

Filesize
1.2MB

Download
memory/3424-37-0x0000000007DD0000-0x0000000007EBF000-memory.dmp

Filesize
956KB

Download
memory/3424-24-0x00000000023D0000-0x000000000250F000-memory.dmp

Filesize
1.2MB

Download
memory/3424-39-0x0000000007DD0000-0x0000000007EBF000-memory.dmp

Filesize
956KB

Download
memory/4008-5-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/4008-8-0x00000000751CE000-0x00000000751CF000-memory.dmp

Filesize
4KB

Download
memory/4008-9-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/4008-10-0x00000000092D0000-0x000000000936C000-memory.dmp

Filesize
624KB

Download
memory/4008-11-0x0000000009370000-0x000000000948E000-memory.dmp

Filesize
1.1MB

Download
memory/4008-7-0x00000000069D0000-0x0000000006A1C000-memory.dmp

Filesize
304KB

Download
memory/4008-14-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/4008-6-0x0000000005CA0000-0x0000000005CAE000-memory.dmp

Filesize
56KB

Download
memory/4008-4-0x0000000005730000-0x000000000573A000-memory.dmp

Filesize
40KB

Download
memory/4008-0-0x00000000751CE000-0x00000000751CF000-memory.dmp

Filesize
4KB

Download
memory/4008-3-0x00000000057A0000-0x0000000005832000-memory.dmp

Filesize
584KB

Download
memory/4008-2-0x0000000005CB0000-0x0000000006254000-memory.dmp

Filesize
5.6MB

Download
memory/4008-1-0x0000000000C10000-0x0000000000D20000-memory.dmp

Filesize
1.1MB

Download
memory/4324-17-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4324-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4324-22-0x00000000011F0000-0x0000000001201000-memory.dmp

Filesize
68KB

Download
memory/4324-18-0x0000000001190000-0x00000000011A1000-memory.dmp

Filesize
68KB

Download
memory/4324-15-0x00000000016A0000-0x00000000019EA000-memory.dmp

Filesize
3.3MB

Download
memory/4324-12-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4524-25-0x00000000004D0000-0x00000000004E2000-memory.dmp

Filesize
72KB

Download
memory/4524-29-0x00000000004D0000-0x00000000004E2000-memory.dmp

Filesize
72KB

Download
memory/4524-27-0x00000000004D0000-0x00000000004E2000-memory.dmp

Filesize
72KB

Download
memory/4524-30-0x00000000001D0000-0x00000000001F9000-memory.dmp

Filesize
164KB

Download
memory/4524-31-0x0000000002220000-0x000000000256A000-memory.dmp

Filesize
3.3MB

Download
memory/4524-32-0x00000000001D0000-0x00000000001F9000-memory.dmp

Filesize
164KB

Download
memory/4524-35-0x0000000002600000-0x0000000002690000-memory.dmp

Filesize
576KB

Download

Analysis

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