xloader | b2401ea078603e21a7a086a4ad8ff63cd9671c84d01ad91c38bce23d06a6dd47

General

Target

dump.exe
Size

160KB
MD5

ac8e94fe61f6dc8c33785c9a6fd474b8
SHA1

e3e1dcf21308ac20a1ed5f18a83d34479f7361d9
SHA256

a828137f26efcaa656d7ff8b220aef97b33e32125eb36d6d62b964a83f13057b
SHA512

2f9c32ea45ee9b043693648e94d5d354223a54a0cebfc40763b0cfd0960d5e2f10e21d24f101cf5f1eb7005156b70f436f3c5d85d50ebab4e1c4f4ef7826deb6
SSDEEP

3072:VZBq0c6gQ/qI4rQo4j1PHrFf+baIH7VO5dUdYkVo0z8gT4GNefG:Vm09Wco4hvhfKrBO5dUdYkVo0RsfG

Score

10^/10

xloader mej0 discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

mej0

Decoy

mtxs8.com

quickskiplondon.com

sltplanner.com

generatedate.com

amsinspections.com

tomrings.com

109friends.com

freelovereading.com

avalapartners.com

nordiqueluxury.com

inmbex.com

everybankatm.com

bo1899.com

ashymeadow.com

pubgm-chickendinner.com

takudolunch.com

carlagremiao.com

actonetheatre.com

wemhealth.com

khasomat.net

Signatures

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

Xloader payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2104-2-0x0000000000350000-0x0000000000378000-memory.dmp	xloader
behavioral1/memory/2104-6-0x0000000000350000-0x0000000000378000-memory.dmp	xloader
behavioral1/memory/2068-12-0x0000000000080000-0x00000000000A8000-memory.dmp	xloader

Deletes itself 1 IoCs

pid	Process
2444	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2104 set thread context of 1196	2104	dump.exe	21
PID 2104 set thread context of 1196	2104	dump.exe	21
PID 2068 set thread context of 1196	2068	netsh.exe	21

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

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2104	dump.exe
2104	dump.exe
2104	dump.exe
2068	netsh.exe
2068	netsh.exe
2068	netsh.exe
2068	netsh.exe
2068	netsh.exe
2068	netsh.exe
2068	netsh.exe
2068	netsh.exe
2068	netsh.exe
2068	netsh.exe
2068	netsh.exe
2068	netsh.exe
2068	netsh.exe
2068	netsh.exe
2068	netsh.exe
2068	netsh.exe
2068	netsh.exe
2068	netsh.exe
2068	netsh.exe
2068	netsh.exe
2068	netsh.exe
2068	netsh.exe
2068	netsh.exe
2068	netsh.exe
2068	netsh.exe
2068	netsh.exe
2068	netsh.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2104	dump.exe
2104	dump.exe
2104	dump.exe
2104	dump.exe
2068	netsh.exe
2068	netsh.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2104	dump.exe
Token: SeDebugPrivilege	2068	netsh.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 2068	2104	dump.exe	32
PID 2104 wrote to memory of 2068	2104	dump.exe	32
PID 2104 wrote to memory of 2068	2104	dump.exe	32
PID 2104 wrote to memory of 2068	2104	dump.exe	32
PID 2068 wrote to memory of 2444	2068	netsh.exe	33
PID 2068 wrote to memory of 2444	2068	netsh.exe	33
PID 2068 wrote to memory of 2444	2068	netsh.exe	33
PID 2068 wrote to memory of 2444	2068	netsh.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\dump.exe
  "C:\Users\Admin\AppData\Local\Temp\dump.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:2104
- - C:\Windows\SysWOW64\autochk.exe
    "C:\Windows\SysWOW64\autochk.exe"
    3⤵
    PID:2572
- - C:\Windows\SysWOW64\netsh.exe
    "C:\Windows\SysWOW64\netsh.exe"
    3⤵
    - 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:2068
  - - C:\Windows\SysWOW64\cmd.exe
      /c del "C:\Users\Admin\AppData\Local\Temp\dump.exe"
      4⤵
      Deletes itself
      System Location Discovery: System Language Discovery
      PID:2444
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1916

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/1196-7-0x0000000004CB0000-0x0000000004E47000-memory.dmp

Filesize
1.6MB

Download
memory/1196-11-0x0000000007520000-0x0000000007659000-memory.dmp

Filesize
1.2MB

Download
memory/1196-8-0x0000000007520000-0x0000000007659000-memory.dmp

Filesize
1.2MB

Download
memory/1196-3-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/1196-4-0x0000000004CB0000-0x0000000004E47000-memory.dmp

Filesize
1.6MB

Download
memory/2068-9-0x0000000001210000-0x000000000122B000-memory.dmp

Filesize
108KB

Download
memory/2068-10-0x0000000001210000-0x000000000122B000-memory.dmp

Filesize
108KB

Download
memory/2068-12-0x0000000000080000-0x00000000000A8000-memory.dmp

Filesize
160KB

Download
memory/2104-5-0x000000000036D000-0x000000000036E000-memory.dmp

Filesize
4KB

Download
memory/2104-6-0x0000000000350000-0x0000000000378000-memory.dmp

Filesize
160KB

Download
memory/2104-1-0x000000000036D000-0x000000000036E000-memory.dmp

Filesize
4KB

Download
memory/2104-0-0x0000000000860000-0x0000000000B63000-memory.dmp

Filesize
3.0MB

Download
memory/2104-2-0x0000000000350000-0x0000000000378000-memory.dmp

Filesize
160KB

Download

Analysis

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