xloader | 6ee7a202d657706b8460a038ddf8d730eeff233bccbaff7e8d65c3c4bfe9f6fe

Analysis

max time kernel
147s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21/11/2024, 20:00

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General

Target

$PLUGINSDIR/zmdtm.dll
Size

100KB
MD5

d4b3308970835c85d3d24ad2f8ee3b4f
SHA1

8a3722200f614f37a0a446c36df6dfcbd26ae138
SHA256

14c94199dc9e370703b5579066d6b34a2055ab97fdf2675dd7ac8ec3616c3137
SHA512

72b50aed7860dfa674a34e52a75b6a9aaf3529f4a8dcc7a622f5d00970855dd5cd70a0e9699fd9b79acdfb9a06411ecbee26c471e6a91e67851464dd7b4ca240
SSDEEP

1536:gF15tzIksRHS1oD+ajCWmzx3e6fch6gqZ3ralsWjcdWRPbUK7xkm75Cm:gFDhWss0YKWRPbH7uol

Score

10^/10

xloader poub discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

poub

Decoy

my-access.cloud

tcmylg.com

theemployeesolutions.com

mawanstory.com

themarketerz.com

negoking.net

dridgebaseball.com

instantbookings.space

idoocam.com

showfunds.net

walletsvalidationconnet.com

e-scapes.ltd

itsoizy.com

176821.com

antiinflammatory-diet.com

esloke-1.com

plumbersincali.com

intercitydrywall.com

cartwheeldesigns.com

griffinjamesdesign.com

Signatures

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

Xloader payload 3 IoCs

rat

resource	yara_rule
behavioral3/memory/2056-1-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral3/memory/2056-4-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral3/memory/2932-10-0x00000000000D0000-0x00000000000F9000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2380 set thread context of 2056	2380	rundll32.exe	31
PID 2056 set thread context of 1256	2056	rundll32.exe	21
PID 2932 set thread context of 1256	2932	mstsc.exe	21

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2072	2380	WerFault.exe	30

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

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	mstsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2056	rundll32.exe
2056	rundll32.exe
2932	mstsc.exe
2932	mstsc.exe
2932	mstsc.exe
2932	mstsc.exe
2932	mstsc.exe
2932	mstsc.exe
2932	mstsc.exe
2932	mstsc.exe
2932	mstsc.exe
2932	mstsc.exe
2932	mstsc.exe
2932	mstsc.exe
2932	mstsc.exe
2932	mstsc.exe
2932	mstsc.exe
2932	mstsc.exe
2932	mstsc.exe
2932	mstsc.exe
2932	mstsc.exe
2932	mstsc.exe
2932	mstsc.exe
2932	mstsc.exe
2932	mstsc.exe
2932	mstsc.exe
2932	mstsc.exe
2932	mstsc.exe
2932	mstsc.exe
2932	mstsc.exe
2932	mstsc.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2056	rundll32.exe
2056	rundll32.exe
2056	rundll32.exe
2932	mstsc.exe
2932	mstsc.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2056	rundll32.exe
Token: SeDebugPrivilege	2932	mstsc.exe
Token: SeShutdownPrivilege	1256	Explorer.EXE
Token: SeShutdownPrivilege	1256	Explorer.EXE

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 2380	2364	rundll32.exe	30
PID 2364 wrote to memory of 2380	2364	rundll32.exe	30
PID 2364 wrote to memory of 2380	2364	rundll32.exe	30
PID 2364 wrote to memory of 2380	2364	rundll32.exe	30
PID 2364 wrote to memory of 2380	2364	rundll32.exe	30
PID 2364 wrote to memory of 2380	2364	rundll32.exe	30
PID 2364 wrote to memory of 2380	2364	rundll32.exe	30
PID 2380 wrote to memory of 2056	2380	rundll32.exe	31
PID 2380 wrote to memory of 2056	2380	rundll32.exe	31
PID 2380 wrote to memory of 2056	2380	rundll32.exe	31
PID 2380 wrote to memory of 2056	2380	rundll32.exe	31
PID 2380 wrote to memory of 2056	2380	rundll32.exe	31
PID 2380 wrote to memory of 2056	2380	rundll32.exe	31
PID 2380 wrote to memory of 2056	2380	rundll32.exe	31
PID 2380 wrote to memory of 2056	2380	rundll32.exe	31
PID 2380 wrote to memory of 2056	2380	rundll32.exe	31
PID 2380 wrote to memory of 2056	2380	rundll32.exe	31
PID 2380 wrote to memory of 2072	2380	rundll32.exe	32
PID 2380 wrote to memory of 2072	2380	rundll32.exe	32
PID 2380 wrote to memory of 2072	2380	rundll32.exe	32
PID 2380 wrote to memory of 2072	2380	rundll32.exe	32
PID 1256 wrote to memory of 2932	1256	Explorer.EXE	33
PID 1256 wrote to memory of 2932	1256	Explorer.EXE	33
PID 1256 wrote to memory of 2932	1256	Explorer.EXE	33
PID 1256 wrote to memory of 2932	1256	Explorer.EXE	33
PID 2932 wrote to memory of 2128	2932	mstsc.exe	35
PID 2932 wrote to memory of 2128	2932	mstsc.exe	35
PID 2932 wrote to memory of 2128	2932	mstsc.exe	35
PID 2932 wrote to memory of 2128	2932	mstsc.exe	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1256
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\zmdtm.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2364
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\zmdtm.dll,#1
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2380
  - - C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\zmdtm.dll,#1
      4⤵
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:2056
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2380 -s 248
      4⤵
      Program crash
      PID:2072
- C:\Windows\SysWOW64\mstsc.exe
  "C:\Windows\SysWOW64\mstsc.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:2932
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\rundll32.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2128

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/1256-7-0x00000000064A0000-0x000000000655C000-memory.dmp

Filesize
752KB

Download
memory/1256-19-0x0000000006560000-0x0000000006680000-memory.dmp

Filesize
1.1MB

Download
memory/1256-17-0x0000000006560000-0x0000000006680000-memory.dmp

Filesize
1.1MB

Download
memory/1256-16-0x0000000006560000-0x0000000006680000-memory.dmp

Filesize
1.1MB

Download
memory/1256-11-0x00000000064A0000-0x000000000655C000-memory.dmp

Filesize
752KB

Download
memory/1256-6-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/2056-5-0x00000000001F0000-0x0000000000201000-memory.dmp

Filesize
68KB

Download
memory/2056-4-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2056-2-0x00000000021C0000-0x00000000024C3000-memory.dmp

Filesize
3.0MB

Download
memory/2056-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2380-0-0x0000000074E66000-0x0000000074E68000-memory.dmp

Filesize
8KB

Download
memory/2932-8-0x0000000000D00000-0x0000000000E04000-memory.dmp

Filesize
1.0MB

Download
memory/2932-9-0x0000000000D00000-0x0000000000E04000-memory.dmp

Filesize
1.0MB

Download
memory/2932-10-0x00000000000D0000-0x00000000000F9000-memory.dmp

Filesize
164KB

Download