xloader | 7d9ccf7be546cdad2baab25c98336224ae050f477594647c9a8adf6b8700011a

General

Target

Trojan.Win32.FormBook.AR.exe
Size

524KB
MD5

e125cbe585e654316d5ab0c2a73bd830
SHA1

62bf4c0a8fbd8a30663e468cf865b1c6e5f5a7bc
SHA256

7d9ccf7be546cdad2baab25c98336224ae050f477594647c9a8adf6b8700011a
SHA512

57d6ae7a7b4c13d23f0ac17a1a684a81155a4e233a107fc275e5d901db70dd4d246f7f746852d4bf4bfd17c522f0ef7e666e983f766c04248b885e044dcc704c
SSDEEP

12288:X9pL8dQnSsG5u8j/cYRHFuVP32+8AEDuME4lbMIOy:X9pL8dQnSsG5umRHFKD8AED+ibMXy

Score

10^/10

xloader ma3c discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

ma3c

Decoy

bensimonconstructions.com

margaretta.info

getreireply.com

jamierighetti.com

gxjljc.com

internet-exerzitien.com

appetiteintelligence.com

buscar-id-apple.com

unique-bikinis.com

enclassique.com

dafontonline.com

northamericancarbonexchange.com

yashasvsaluja.com

sn-international.com

humanvitality.site

sarahcasias.com

xn--vrv276h3cb.com

curiget.xyz

anxietyattackscure.com

angelstonecrystals.com

Signatures

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

Xloader payload 5 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2076-1-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/2076-2-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/2076-5-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/1324-15-0x0000000000B70000-0x0000000000B99000-memory.dmp	xloader
behavioral2/memory/1324-17-0x0000000000B70000-0x0000000000B99000-memory.dmp	xloader

Blocklisted process makes network request 1 IoCs

Processes:

msiexec.exe

flow	pid	Process
53	1324	msiexec.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

Trojan.Win32.FormBook.AR.exeTrojan.Win32.FormBook.AR.exemsiexec.exe

description	pid	Process	procid_target
PID 3100 set thread context of 2076	3100	Trojan.Win32.FormBook.AR.exe	86
PID 2076 set thread context of 3440	2076	Trojan.Win32.FormBook.AR.exe	56
PID 2076 set thread context of 3440	2076	Trojan.Win32.FormBook.AR.exe	56
PID 1324 set thread context of 3440	1324	msiexec.exe	56

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:

Trojan.Win32.FormBook.AR.exeTrojan.Win32.FormBook.AR.exemsiexec.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Trojan.Win32.FormBook.AR.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Trojan.Win32.FormBook.AR.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

Processes:

Trojan.Win32.FormBook.AR.exemsiexec.exe

pid	Process
2076	Trojan.Win32.FormBook.AR.exe
2076	Trojan.Win32.FormBook.AR.exe
2076	Trojan.Win32.FormBook.AR.exe
2076	Trojan.Win32.FormBook.AR.exe
2076	Trojan.Win32.FormBook.AR.exe
2076	Trojan.Win32.FormBook.AR.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

Trojan.Win32.FormBook.AR.exemsiexec.exe

pid	Process
2076	Trojan.Win32.FormBook.AR.exe
2076	Trojan.Win32.FormBook.AR.exe
2076	Trojan.Win32.FormBook.AR.exe
2076	Trojan.Win32.FormBook.AR.exe
1324	msiexec.exe
1324	msiexec.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Trojan.Win32.FormBook.AR.exemsiexec.exe

description	pid	Process
Token: SeDebugPrivilege	2076	Trojan.Win32.FormBook.AR.exe
Token: SeDebugPrivilege	1324	msiexec.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Trojan.Win32.FormBook.AR.exe

pid	Process
3100	Trojan.Win32.FormBook.AR.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

Trojan.Win32.FormBook.AR.exeTrojan.Win32.FormBook.AR.exemsiexec.exe

description	pid	Process	procid_target
PID 3100 wrote to memory of 2076	3100	Trojan.Win32.FormBook.AR.exe	86
PID 3100 wrote to memory of 2076	3100	Trojan.Win32.FormBook.AR.exe	86
PID 3100 wrote to memory of 2076	3100	Trojan.Win32.FormBook.AR.exe	86
PID 3100 wrote to memory of 2076	3100	Trojan.Win32.FormBook.AR.exe	86
PID 2076 wrote to memory of 1324	2076	Trojan.Win32.FormBook.AR.exe	90
PID 2076 wrote to memory of 1324	2076	Trojan.Win32.FormBook.AR.exe	90
PID 2076 wrote to memory of 1324	2076	Trojan.Win32.FormBook.AR.exe	90
PID 1324 wrote to memory of 2412	1324	msiexec.exe	91
PID 1324 wrote to memory of 2412	1324	msiexec.exe	91
PID 1324 wrote to memory of 2412	1324	msiexec.exe	91

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3440
- C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.FormBook.AR.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.FormBook.AR.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3100
- - C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.FormBook.AR.exe
    "C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.FormBook.AR.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:2076
  - - C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\SysWOW64\msiexec.exe"
      4⤵
      Blocklisted process makes network request
      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:1324
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.FormBook.AR.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2412

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

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Downloads

memory/1324-16-0x0000000002C10000-0x0000000002F5A000-memory.dmp

Filesize
3.3MB

Download
memory/1324-15-0x0000000000B70000-0x0000000000B99000-memory.dmp

Filesize
164KB

Download
memory/1324-10-0x0000000000510000-0x0000000000522000-memory.dmp

Filesize
72KB

Download
memory/1324-12-0x0000000000510000-0x0000000000522000-memory.dmp

Filesize
72KB

Download
memory/1324-19-0x0000000002B10000-0x0000000002BA0000-memory.dmp

Filesize
576KB

Download
memory/1324-17-0x0000000000B70000-0x0000000000B99000-memory.dmp

Filesize
164KB

Download
memory/1324-14-0x0000000000510000-0x0000000000522000-memory.dmp

Filesize
72KB

Download
memory/2076-4-0x000000000041D000-0x000000000041E000-memory.dmp

Filesize
4KB

Download
memory/2076-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2076-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2076-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3100-0-0x0000000000442000-0x000000000044B000-memory.dmp

Filesize
36KB

Download
memory/3440-24-0x0000000008F90000-0x00000000090C8000-memory.dmp

Filesize
1.2MB

Download
memory/3440-7-0x0000000008E40000-0x0000000008F83000-memory.dmp

Filesize
1.3MB

Download
memory/3440-6-0x0000000009110000-0x0000000009293000-memory.dmp

Filesize
1.5MB

Download
memory/3440-18-0x0000000009110000-0x0000000009293000-memory.dmp

Filesize
1.5MB

Download
memory/3440-21-0x0000000008F90000-0x00000000090C8000-memory.dmp

Filesize
1.2MB

Download
memory/3440-23-0x0000000008F90000-0x00000000090C8000-memory.dmp

Filesize
1.2MB

Download
memory/3440-3-0x0000000008E40000-0x0000000008F83000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads