xloader | c355f8737bf92c3a48fcc9f15a2efff3fc92b267a8dd3776d120e08d2d372046

General

Target

cZAFQY1ivxT14o0.exe
Size

526KB
MD5

fdfcce551589979a297b003bed5ac9e1
SHA1

9d209f5f1b696ed695a28aea018f7179d7a795d2
SHA256

06cc2d206afed5e79426d726b19ca9ae4dda8f5ed252bea54204aed24433831b
SHA512

4f85b4f8c7095c20c209c9104a81cea33b220e712851acb6b051af251f411be1b9c1540f50029c02257cbbaf1d6f31d3dff2b32dfe3965a73e0aa2b2453539d1
SSDEEP

12288:j6jZXuX2ev4+tCCjypGYgOB96vdnLM30ZExHiDVErV9nNTPX:j69+lvhbhYNI5M30ZRVM9

Score

10^/10

xloader g3ws discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

g3ws

Decoy

lashandragrey.com

rickster.tech

mfengnews.com

ignatovi.com

munjashoong.com

oplexxburn.com

freaner.agency

finetaxmultiservice.com

sydneyelectroservices.com

puma-factoryoutlet.com

kakaomobility-recruit.com

tombitz.com

kekenapeps.com

claudchat.com

hondenpaleis.com

hyswkimjisoo.xyz

ralphlaurenoutlet.us

cargonodeseado.xyz

virtualassistantsteam.com

mamaduduprints.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/64-13-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral2/memory/64-18-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral2/memory/4824-23-0x00000000005C0000-0x00000000005EB000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3656 set thread context of 64	3656	cZAFQY1ivxT14o0.exe	102
PID 64 set thread context of 3472	64	cZAFQY1ivxT14o0.exe	56
PID 4824 set thread context of 3472	4824	control.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cZAFQY1ivxT14o0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	control.exe

Suspicious behavior: EnumeratesProcesses 44 IoCs

pid	Process
3656	cZAFQY1ivxT14o0.exe
3656	cZAFQY1ivxT14o0.exe
64	cZAFQY1ivxT14o0.exe
64	cZAFQY1ivxT14o0.exe
64	cZAFQY1ivxT14o0.exe
64	cZAFQY1ivxT14o0.exe
4824	control.exe
4824	control.exe
4824	control.exe
4824	control.exe
4824	control.exe
4824	control.exe
4824	control.exe
4824	control.exe
4824	control.exe
4824	control.exe
4824	control.exe
4824	control.exe
4824	control.exe
4824	control.exe
4824	control.exe
4824	control.exe
4824	control.exe
4824	control.exe
4824	control.exe
4824	control.exe
4824	control.exe
4824	control.exe
4824	control.exe
4824	control.exe
4824	control.exe
4824	control.exe
4824	control.exe
4824	control.exe
4824	control.exe
4824	control.exe
4824	control.exe
4824	control.exe
4824	control.exe
4824	control.exe
4824	control.exe
4824	control.exe
4824	control.exe
4824	control.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
64	cZAFQY1ivxT14o0.exe
64	cZAFQY1ivxT14o0.exe
64	cZAFQY1ivxT14o0.exe
4824	control.exe
4824	control.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3656	cZAFQY1ivxT14o0.exe
Token: SeDebugPrivilege	64	cZAFQY1ivxT14o0.exe
Token: SeDebugPrivilege	4824	control.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3656 wrote to memory of 1572	3656	cZAFQY1ivxT14o0.exe	101
PID 3656 wrote to memory of 1572	3656	cZAFQY1ivxT14o0.exe	101
PID 3656 wrote to memory of 1572	3656	cZAFQY1ivxT14o0.exe	101
PID 3656 wrote to memory of 64	3656	cZAFQY1ivxT14o0.exe	102
PID 3656 wrote to memory of 64	3656	cZAFQY1ivxT14o0.exe	102
PID 3656 wrote to memory of 64	3656	cZAFQY1ivxT14o0.exe	102
PID 3656 wrote to memory of 64	3656	cZAFQY1ivxT14o0.exe	102
PID 3656 wrote to memory of 64	3656	cZAFQY1ivxT14o0.exe	102
PID 3656 wrote to memory of 64	3656	cZAFQY1ivxT14o0.exe	102
PID 3472 wrote to memory of 4824	3472	Explorer.EXE	103
PID 3472 wrote to memory of 4824	3472	Explorer.EXE	103
PID 3472 wrote to memory of 4824	3472	Explorer.EXE	103
PID 4824 wrote to memory of 2624	4824	control.exe	104
PID 4824 wrote to memory of 2624	4824	control.exe	104
PID 4824 wrote to memory of 2624	4824	control.exe	104

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3472
- C:\Users\Admin\AppData\Local\Temp\cZAFQY1ivxT14o0.exe
  "C:\Users\Admin\AppData\Local\Temp\cZAFQY1ivxT14o0.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3656
- - C:\Users\Admin\AppData\Local\Temp\cZAFQY1ivxT14o0.exe
    "C:\Users\Admin\AppData\Local\Temp\cZAFQY1ivxT14o0.exe"
    3⤵
    PID:1572
- - C:\Users\Admin\AppData\Local\Temp\cZAFQY1ivxT14o0.exe
    "C:\Users\Admin\AppData\Local\Temp\cZAFQY1ivxT14o0.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:64
- C:\Windows\SysWOW64\control.exe
  "C:\Windows\SysWOW64\control.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:4824
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\cZAFQY1ivxT14o0.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2624

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/64-13-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/64-18-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/64-19-0x0000000001100000-0x0000000001111000-memory.dmp

Filesize
68KB

Download
memory/64-16-0x0000000001120000-0x000000000146A000-memory.dmp

Filesize
3.3MB

Download
memory/3472-30-0x00000000084F0000-0x00000000085C5000-memory.dmp

Filesize
852KB

Download
memory/3472-28-0x00000000084F0000-0x00000000085C5000-memory.dmp

Filesize
852KB

Download
memory/3472-27-0x00000000084F0000-0x00000000085C5000-memory.dmp

Filesize
852KB

Download
memory/3472-20-0x00000000046B0000-0x00000000047E1000-memory.dmp

Filesize
1.2MB

Download
memory/3656-6-0x0000000007C60000-0x0000000007C76000-memory.dmp

Filesize
88KB

Download
memory/3656-5-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/3656-10-0x000000000A280000-0x000000000A2EA000-memory.dmp

Filesize
424KB

Download
memory/3656-11-0x000000000A390000-0x000000000A42C000-memory.dmp

Filesize
624KB

Download
memory/3656-12-0x000000000A2F0000-0x000000000A322000-memory.dmp

Filesize
200KB

Download
memory/3656-8-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/3656-15-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/3656-7-0x0000000074D0E000-0x0000000074D0F000-memory.dmp

Filesize
4KB

Download
memory/3656-0-0x0000000074D0E000-0x0000000074D0F000-memory.dmp

Filesize
4KB

Download
memory/3656-9-0x0000000007C80000-0x0000000007C8A000-memory.dmp

Filesize
40KB

Download
memory/3656-4-0x0000000007780000-0x0000000007812000-memory.dmp

Filesize
584KB

Download
memory/3656-1-0x00000000006E0000-0x0000000000768000-memory.dmp

Filesize
544KB

Download
memory/3656-2-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/3656-3-0x0000000007C90000-0x0000000008234000-memory.dmp

Filesize
5.6MB

Download
memory/4824-23-0x00000000005C0000-0x00000000005EB000-memory.dmp

Filesize
172KB

Download
memory/4824-22-0x0000000000F00000-0x0000000000F27000-memory.dmp

Filesize
156KB

Download
memory/4824-21-0x0000000000F00000-0x0000000000F27000-memory.dmp

Filesize
156KB

Download

Analysis

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