xloader | 8eb265c22ebf853f8c0bcad65f2e5eaaef5db267e164981f5508bcfa37bb1530

General

Target

Invoice#00086770.exe
Size

681KB
MD5

9959299149ec0cc5d9c380a308f69f31
SHA1

2b98e45b2dd60c8e3f154e80f10b2bcc07bfca90
SHA256

b9e50b873e6ca85c0ebcd953a403425a5c7da2e57ffe47723e21cccf8cebde06
SHA512

60fd97abd4fa62686266cecb9832ba50118671dce411dfcda9dc7b6db516eb0405a0783739fe1e9e920feb90e51f73b0bd6a9cc9decb75288edab0923b87ada1
SSDEEP

12288:w5cYv2tasGHW/NqrFnHqgpztNwN/wgHQHewItAVjmRg2W9fvEwsJ:wvutasoWFEHjzIwoQ+w9Ycf9sJ

Score

10^/10

xloader d8ak discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

d8ak

Decoy

bossmatter.com

intanmandirilestari.com

goldsgymclermont.com

nythraa.com

xbfcyy.com

precitaparktownhome.com

medicalmarijuanamississippi.net

mademoisellepierre.com

duantui.run

freebay.info

gabimslogistics.com

planethomrlending.com

thesockboutique.net

freiundgeist.com

nouvellechina.com

hkamlcc.com

heti-lainaa.com

forehead-effort.com

productsim.com

dualexpressions.com

Signatures

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

Xloader payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3768-11-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/3768-16-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/1844-21-0x00000000005A0000-0x00000000005C9000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

Invoice#00086770.exeInvoice#00086770.exewscript.exe

description	pid	Process	procid_target
PID 1328 set thread context of 3768	1328	Invoice#00086770.exe	98
PID 3768 set thread context of 3492	3768	Invoice#00086770.exe	56
PID 1844 set thread context of 3492	1844	wscript.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

Processes:

Invoice#00086770.exewscript.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Invoice#00086770.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 50 IoCs

Processes:

Invoice#00086770.exewscript.exe

pid	Process
3768	Invoice#00086770.exe
3768	Invoice#00086770.exe
3768	Invoice#00086770.exe
3768	Invoice#00086770.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe
1844	wscript.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Invoice#00086770.exewscript.exe

pid	Process
3768	Invoice#00086770.exe
3768	Invoice#00086770.exe
3768	Invoice#00086770.exe
1844	wscript.exe
1844	wscript.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

Invoice#00086770.exewscript.exeExplorer.EXE

description	pid	Process
Token: SeDebugPrivilege	3768	Invoice#00086770.exe
Token: SeDebugPrivilege	1844	wscript.exe
Token: SeShutdownPrivilege	3492	Explorer.EXE
Token: SeCreatePagefilePrivilege	3492	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Invoice#00086770.exeExplorer.EXEwscript.exe

description	pid	Process	procid_target
PID 1328 wrote to memory of 3768	1328	Invoice#00086770.exe	98
PID 1328 wrote to memory of 3768	1328	Invoice#00086770.exe	98
PID 1328 wrote to memory of 3768	1328	Invoice#00086770.exe	98
PID 1328 wrote to memory of 3768	1328	Invoice#00086770.exe	98
PID 1328 wrote to memory of 3768	1328	Invoice#00086770.exe	98
PID 1328 wrote to memory of 3768	1328	Invoice#00086770.exe	98
PID 3492 wrote to memory of 1844	3492	Explorer.EXE	99
PID 3492 wrote to memory of 1844	3492	Explorer.EXE	99
PID 3492 wrote to memory of 1844	3492	Explorer.EXE	99
PID 1844 wrote to memory of 3696	1844	wscript.exe	101
PID 1844 wrote to memory of 3696	1844	wscript.exe	101
PID 1844 wrote to memory of 3696	1844	wscript.exe	101

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3492
- C:\Users\Admin\AppData\Local\Temp\Invoice#00086770.exe
  "C:\Users\Admin\AppData\Local\Temp\Invoice#00086770.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1328
- - C:\Users\Admin\AppData\Local\Temp\Invoice#00086770.exe
    "{path}"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3768
- C:\Windows\SysWOW64\wscript.exe
  "C:\Windows\SysWOW64\wscript.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:1844
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Invoice#00086770.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3696

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4252,i,2727319350781907497,7925939240893079607,262144 --variations-seed-version --mojo-platform-channel-handle=3952 /prefetch:8
1⤵
PID:2984

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/1328-13-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/1328-7-0x0000000008650000-0x0000000008658000-memory.dmp

Filesize
32KB

Download
memory/1328-2-0x0000000005D40000-0x00000000062E4000-memory.dmp

Filesize
5.6MB

Download
memory/1328-3-0x0000000005790000-0x0000000005822000-memory.dmp

Filesize
584KB

Download
memory/1328-4-0x0000000005930000-0x000000000593A000-memory.dmp

Filesize
40KB

Download
memory/1328-5-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/1328-6-0x0000000008680000-0x000000000871C000-memory.dmp

Filesize
624KB

Download
memory/1328-0-0x00000000744AE000-0x00000000744AF000-memory.dmp

Filesize
4KB

Download
memory/1328-8-0x00000000744AE000-0x00000000744AF000-memory.dmp

Filesize
4KB

Download
memory/1328-9-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/1328-10-0x0000000008A30000-0x0000000008ABA000-memory.dmp

Filesize
552KB

Download
memory/1328-1-0x0000000000E10000-0x0000000000EC0000-memory.dmp

Filesize
704KB

Download
memory/1844-21-0x00000000005A0000-0x00000000005C9000-memory.dmp

Filesize
164KB

Download
memory/1844-19-0x0000000000420000-0x0000000000447000-memory.dmp

Filesize
156KB

Download
memory/1844-20-0x0000000000420000-0x0000000000447000-memory.dmp

Filesize
156KB

Download
memory/3492-26-0x0000000002660000-0x0000000002711000-memory.dmp

Filesize
708KB

Download
memory/3492-18-0x0000000008280000-0x00000000083FC000-memory.dmp

Filesize
1.5MB

Download
memory/3492-22-0x0000000008280000-0x00000000083FC000-memory.dmp

Filesize
1.5MB

Download
memory/3492-27-0x0000000002660000-0x0000000002711000-memory.dmp

Filesize
708KB

Download
memory/3492-29-0x0000000002660000-0x0000000002711000-memory.dmp

Filesize
708KB

Download
memory/3768-17-0x0000000001300000-0x0000000001311000-memory.dmp

Filesize
68KB

Download
memory/3768-14-0x0000000001320000-0x000000000166A000-memory.dmp

Filesize
3.3MB

Download
memory/3768-16-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3768-11-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads