xloader | 957ef243d645248c1c80c3b121f7290c950530d525c9a54a961be12e1c6dfdfc

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 20:29

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General

Target

TNT Documents.exe
Size

437KB
MD5

b645c00f43011c6c544de85252898b5a
SHA1

e56e43d323e9c6e65c5909b8961d81453fca53fa
SHA256

a23066484dc83fa51ab36d9dc530799662abf63c7a12ed9cc10acc272e0c14f6
SHA512

d9bde87b1d28b37db66a40bfa1a6e765a2dcbe2b23e6034fe1bacf56cbf9d38ccdecec3fcfdd50230d547f1334f038293129f000f42b8ec7f3b2bbaca53400d4
SSDEEP

6144:zqwpecjP4vnTNSqMkRwkfIHd/rCPxiPGs25jwtTGOuBdkE4jcZOit7k7YwifsF/0:jpAP8kw7/I7s2JHTBUpiovifshFG

Score

10^/10

xloader how6 discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

how6

Decoy

wealthcabana.com

fourfortyfourcreations.com

cqqcsy.com

bhwzjd.com

niftyfashionrewards.com

andersongiftemporium.com

smarttradingcoin.com

ilarealty.com

sherrywine.net

fsecg.info

xoti.top

pirosconsulting.com

fundapie.com

bbgm4egda.xyz

legalfortmyers.com

improvizy.com

yxdyhs.com

lucky2balls.com

panelmall.com

davenportkartway.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/4556-5-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/4556-10-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/3672-16-0x0000000000980000-0x00000000009A9000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3080 set thread context of 4556	3080	TNT Documents.exe	96
PID 4556 set thread context of 3504	4556	TNT Documents.exe	56
PID 3672 set thread context of 3504	3672	rundll32.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	TNT Documents.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 52 IoCs

pid	Process
4556	TNT Documents.exe
4556	TNT Documents.exe
4556	TNT Documents.exe
4556	TNT Documents.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe
3672	rundll32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4556	TNT Documents.exe
4556	TNT Documents.exe
4556	TNT Documents.exe
3672	rundll32.exe
3672	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4556	TNT Documents.exe
Token: SeDebugPrivilege	3672	rundll32.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3080 wrote to memory of 4556	3080	TNT Documents.exe	96
PID 3080 wrote to memory of 4556	3080	TNT Documents.exe	96
PID 3080 wrote to memory of 4556	3080	TNT Documents.exe	96
PID 3080 wrote to memory of 4556	3080	TNT Documents.exe	96
PID 3080 wrote to memory of 4556	3080	TNT Documents.exe	96
PID 3080 wrote to memory of 4556	3080	TNT Documents.exe	96
PID 3504 wrote to memory of 3672	3504	Explorer.EXE	97
PID 3504 wrote to memory of 3672	3504	Explorer.EXE	97
PID 3504 wrote to memory of 3672	3504	Explorer.EXE	97
PID 3672 wrote to memory of 1596	3672	rundll32.exe	100
PID 3672 wrote to memory of 1596	3672	rundll32.exe	100
PID 3672 wrote to memory of 1596	3672	rundll32.exe	100

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3504
- C:\Users\Admin\AppData\Local\Temp\TNT Documents.exe
  "C:\Users\Admin\AppData\Local\Temp\TNT Documents.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3080
- - C:\Users\Admin\AppData\Local\Temp\TNT Documents.exe
    "{path}"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4556
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\SysWOW64\rundll32.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:3672
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\TNT Documents.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3080-1-0x0000000074630000-0x0000000074BE1000-memory.dmp

Filesize
5.7MB

Download
memory/3080-2-0x0000000074630000-0x0000000074BE1000-memory.dmp

Filesize
5.7MB

Download
memory/3080-3-0x0000000074632000-0x0000000074633000-memory.dmp

Filesize
4KB

Download
memory/3080-4-0x0000000074630000-0x0000000074BE1000-memory.dmp

Filesize
5.7MB

Download
memory/3080-7-0x0000000074630000-0x0000000074BE1000-memory.dmp

Filesize
5.7MB

Download
memory/3080-0-0x0000000074632000-0x0000000074633000-memory.dmp

Filesize
4KB

Download
memory/3504-12-0x00000000027D0000-0x00000000028B7000-memory.dmp

Filesize
924KB

Download
memory/3504-23-0x0000000002C70000-0x0000000002D25000-memory.dmp

Filesize
724KB

Download
memory/3504-21-0x0000000002C70000-0x0000000002D25000-memory.dmp

Filesize
724KB

Download
memory/3504-17-0x00000000027D0000-0x00000000028B7000-memory.dmp

Filesize
924KB

Download
memory/3672-15-0x0000000000060000-0x0000000000074000-memory.dmp

Filesize
80KB

Download
memory/3672-13-0x0000000000060000-0x0000000000074000-memory.dmp

Filesize
80KB

Download
memory/3672-16-0x0000000000980000-0x00000000009A9000-memory.dmp

Filesize
164KB

Download
memory/4556-10-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4556-11-0x0000000000FB0000-0x0000000000FC1000-memory.dmp

Filesize
68KB

Download
memory/4556-8-0x0000000001120000-0x000000000146A000-memory.dmp

Filesize
3.3MB

Download
memory/4556-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download