xloader | 1741b050332dd1a6189cb5f6367a198d4528edafff28b1b71930ec2acb385830

General

Target

$PLUGINSDIR/zntsolrgxs.dll
Size

38KB
MD5

fe76b0ef249aebd98f82d6437721c047
SHA1

b1d40595e05da9c6f8627885b36177d4ecd54f21
SHA256

39724fa50de7a8937dec84a3f00fe23c9dea895d312bdce8133db18f15ee1a81
SHA512

abff3bc26f23c3c864bca8bb4ef1191278bb88bf5d604db949a822fc98525bcecdc21acceffbca1aae5557c8a13e9e15092837bc1c16b3ec2d03c6b3fc8fd725
SSDEEP

384:429M1kCo19eJhv2BqFKrtR1836QF0q5knzxRCT+7BoY3Vq5b1520IVXOFCfl:4rQ19eJhDFKJ7arF0gkpoY3w5baVMA

Score

10^/10

xloader d6pu discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

d6pu

Decoy

ifixcreditatl.com

productgeekout.com

electricvehicle-insurance.com

kuiper.business

cloudenglabs.com

gorbepari.com

collecthappy.com

amykrussell.store

clubhousebusinesscourse.com

aplussinifiklima.com

slewis.design

atticwitt.com

galenota.com

griphook.xyz

gsjbd1.club

bootystrapfitness.com

emflawrhks.com

alternativedata.investments

eyehealthtnpasumo3.xyz

naturanzaec.com

Signatures

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

Xloader payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral3/memory/580-1-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral3/memory/580-5-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral3/memory/2208-11-0x0000000000090000-0x00000000000B9000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

rundll32.exerundll32.exerundll32.exe

description	pid	process	target process
PID 1256 set thread context of 580	1256	rundll32.exe	rundll32.exe
PID 580 set thread context of 1196	580	rundll32.exe	Explorer.EXE
PID 2208 set thread context of 1196	2208	rundll32.exe	Explorer.EXE

System Location Discovery: System Language Discovery 1 TTPs 4 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

Processes:

rundll32.exerundll32.exerundll32.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.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 31 IoCs

Processes:

rundll32.exerundll32.exe

pid	process
580	rundll32.exe
580	rundll32.exe
2208	rundll32.exe
2208	rundll32.exe
2208	rundll32.exe
2208	rundll32.exe
2208	rundll32.exe
2208	rundll32.exe
2208	rundll32.exe
2208	rundll32.exe
2208	rundll32.exe
2208	rundll32.exe
2208	rundll32.exe
2208	rundll32.exe
2208	rundll32.exe
2208	rundll32.exe
2208	rundll32.exe
2208	rundll32.exe
2208	rundll32.exe
2208	rundll32.exe
2208	rundll32.exe
2208	rundll32.exe
2208	rundll32.exe
2208	rundll32.exe
2208	rundll32.exe
2208	rundll32.exe
2208	rundll32.exe
2208	rundll32.exe
2208	rundll32.exe
2208	rundll32.exe
2208	rundll32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

rundll32.exerundll32.exe

pid process

580 rundll32.exe
580 rundll32.exe
580 rundll32.exe
2208 rundll32.exe
2208 rundll32.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

rundll32.exerundll32.exe

description pid process

Token: SeDebugPrivilege 580 rundll32.exe
Token: SeDebugPrivilege 2208 rundll32.exe

description	pid	process
Token: SeDebugPrivilege	580	rundll32.exe
Token: SeDebugPrivilege	2208	rundll32.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

rundll32.exerundll32.exeExplorer.EXErundll32.exe

description	pid	process	target process
PID 2480 wrote to memory of 1256	2480	rundll32.exe	rundll32.exe
PID 2480 wrote to memory of 1256	2480	rundll32.exe	rundll32.exe
PID 2480 wrote to memory of 1256	2480	rundll32.exe	rundll32.exe
PID 2480 wrote to memory of 1256	2480	rundll32.exe	rundll32.exe
PID 2480 wrote to memory of 1256	2480	rundll32.exe	rundll32.exe
PID 2480 wrote to memory of 1256	2480	rundll32.exe	rundll32.exe
PID 2480 wrote to memory of 1256	2480	rundll32.exe	rundll32.exe
PID 1256 wrote to memory of 580	1256	rundll32.exe	rundll32.exe
PID 1256 wrote to memory of 580	1256	rundll32.exe	rundll32.exe
PID 1256 wrote to memory of 580	1256	rundll32.exe	rundll32.exe
PID 1256 wrote to memory of 580	1256	rundll32.exe	rundll32.exe
PID 1256 wrote to memory of 580	1256	rundll32.exe	rundll32.exe
PID 1256 wrote to memory of 580	1256	rundll32.exe	rundll32.exe
PID 1256 wrote to memory of 580	1256	rundll32.exe	rundll32.exe
PID 1256 wrote to memory of 580	1256	rundll32.exe	rundll32.exe
PID 1256 wrote to memory of 580	1256	rundll32.exe	rundll32.exe
PID 1256 wrote to memory of 580	1256	rundll32.exe	rundll32.exe
PID 1196 wrote to memory of 2208	1196	Explorer.EXE	rundll32.exe
PID 1196 wrote to memory of 2208	1196	Explorer.EXE	rundll32.exe
PID 1196 wrote to memory of 2208	1196	Explorer.EXE	rundll32.exe
PID 1196 wrote to memory of 2208	1196	Explorer.EXE	rundll32.exe
PID 1196 wrote to memory of 2208	1196	Explorer.EXE	rundll32.exe
PID 1196 wrote to memory of 2208	1196	Explorer.EXE	rundll32.exe
PID 1196 wrote to memory of 2208	1196	Explorer.EXE	rundll32.exe
PID 2208 wrote to memory of 2472	2208	rundll32.exe	cmd.exe
PID 2208 wrote to memory of 2472	2208	rundll32.exe	cmd.exe
PID 2208 wrote to memory of 2472	2208	rundll32.exe	cmd.exe
PID 2208 wrote to memory of 2472	2208	rundll32.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\zntsolrgxs.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2480
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\zntsolrgxs.dll,#1
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1256
  - - C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\zntsolrgxs.dll,#1
      4⤵
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:580
- 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:2208
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\rundll32.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2472

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

Loading Replay Monitor...

Downloads

memory/580-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/580-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/580-4-0x00000000001A0000-0x00000000001B1000-memory.dmp

Filesize
68KB

Download
memory/580-3-0x0000000002240000-0x0000000002543000-memory.dmp

Filesize
3.0MB

Download
memory/1196-6-0x0000000004200000-0x00000000042BD000-memory.dmp

Filesize
756KB

Download
memory/1196-12-0x0000000004200000-0x00000000042BD000-memory.dmp

Filesize
756KB

Download
memory/1196-14-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1256-0-0x0000000010009000-0x000000001000B000-memory.dmp

Filesize
8KB

Download
memory/2208-10-0x00000000004D0000-0x00000000004DE000-memory.dmp

Filesize
56KB

Download
memory/2208-8-0x00000000004D0000-0x00000000004DE000-memory.dmp

Filesize
56KB

Download
memory/2208-7-0x00000000004D0000-0x00000000004DE000-memory.dmp

Filesize
56KB

Download
memory/2208-11-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads