xloader | 011d8eb0651ac5abaf961f5ac9d820aaf6b097090d7aed4c23243bba22aab598

General

Target

2021FI30005.exe
Size

226KB
MD5

aaeb4ca48de2f02e82a7073f5b7845d3
SHA1

fe42b6a380d09d09ca116730b167bad2ab642d82
SHA256

77353f06427f5e7d0e4c28e4d5690700a2cf6789edc0f9c51682dd20bb65bf78
SHA512

5e703cb507a7436b404b212fd46ae7a2c9bc935aee5f993c04bd8bc594700350016801ca957015614769c80d3a2ab80a52b7e6a08e7f8c146a01696e55259b20
SSDEEP

6144:yx/MDhXmawdvJQpBQ60U0BpYgbgO+Kl9GPl8f:2DawdvRjuKOPif

Score

10^/10

xloader feaw discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

feaw

Decoy

fiber.rentals

escuchatucuento.com

sieteactos.com

sacredconnexions.store

singaporefoodfactory.com

kingbet188.info

archja.com

hofisa.com

belobog.com

smdyw8.com

audi-englewood.com

passyunkpods.com

ajibean.com

paranouille.ovh

yorkmountainwinery.com

viewhomesinnorcal.com

worldwideexpat.com

always-fresh-matters.com

casaespiritaalankardec.com

artofgreatlife.com

Signatures

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

Xloader payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2200-12-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2200-15-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2520-22-0x0000000000080000-0x00000000000A8000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid	Process
2508	cmd.exe

Loads dropped DLL 2 IoCs

Processes:

2021FI30005.exe

pid	Process
1856	2021FI30005.exe
1856	2021FI30005.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

2021FI30005.exe2021FI30005.exesystray.exe

description	pid	Process	procid_target
PID 1856 set thread context of 2200	1856	2021FI30005.exe	30
PID 2200 set thread context of 1212	2200	2021FI30005.exe	21
PID 2520 set thread context of 1212	2520	systray.exe	21

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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:

2021FI30005.exesystray.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2021FI30005.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	systray.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 35 IoCs

Processes:

2021FI30005.exe2021FI30005.exesystray.exe

pid	Process
1856	2021FI30005.exe
1856	2021FI30005.exe
1856	2021FI30005.exe
1856	2021FI30005.exe
2200	2021FI30005.exe
2200	2021FI30005.exe
2520	systray.exe
2520	systray.exe
2520	systray.exe
2520	systray.exe
2520	systray.exe
2520	systray.exe
2520	systray.exe
2520	systray.exe
2520	systray.exe
2520	systray.exe
2520	systray.exe
2520	systray.exe
2520	systray.exe
2520	systray.exe
2520	systray.exe
2520	systray.exe
2520	systray.exe
2520	systray.exe
2520	systray.exe
2520	systray.exe
2520	systray.exe
2520	systray.exe
2520	systray.exe
2520	systray.exe
2520	systray.exe
2520	systray.exe
2520	systray.exe
2520	systray.exe
2520	systray.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

2021FI30005.exe2021FI30005.exesystray.exe

pid	Process
1856	2021FI30005.exe
2200	2021FI30005.exe
2200	2021FI30005.exe
2200	2021FI30005.exe
2520	systray.exe
2520	systray.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

2021FI30005.exesystray.exe

description	pid	Process
Token: SeDebugPrivilege	2200	2021FI30005.exe
Token: SeDebugPrivilege	2520	systray.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

2021FI30005.exeExplorer.EXEsystray.exe

description	pid	Process	procid_target
PID 1856 wrote to memory of 2200	1856	2021FI30005.exe	30
PID 1856 wrote to memory of 2200	1856	2021FI30005.exe	30
PID 1856 wrote to memory of 2200	1856	2021FI30005.exe	30
PID 1856 wrote to memory of 2200	1856	2021FI30005.exe	30
PID 1856 wrote to memory of 2200	1856	2021FI30005.exe	30
PID 1212 wrote to memory of 2520	1212	Explorer.EXE	31
PID 1212 wrote to memory of 2520	1212	Explorer.EXE	31
PID 1212 wrote to memory of 2520	1212	Explorer.EXE	31
PID 1212 wrote to memory of 2520	1212	Explorer.EXE	31
PID 2520 wrote to memory of 2508	2520	systray.exe	33
PID 2520 wrote to memory of 2508	2520	systray.exe	33
PID 2520 wrote to memory of 2508	2520	systray.exe	33
PID 2520 wrote to memory of 2508	2520	systray.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1212
- C:\Users\Admin\AppData\Local\Temp\2021FI30005.exe
  "C:\Users\Admin\AppData\Local\Temp\2021FI30005.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1856
- - C:\Users\Admin\AppData\Local\Temp\2021FI30005.exe
    "C:\Users\Admin\AppData\Local\Temp\2021FI30005.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2200
- C:\Windows\SysWOW64\systray.exe
  "C:\Windows\SysWOW64\systray.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:2520
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\2021FI30005.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2508

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\3qk9.dll

Filesize
10KB

MD5
8f9290de28c93e280c387b72adf45543

SHA1
305b45d1ca5d6de308cdc76796548a04ec677a98

SHA256
75597e1e381141f1606bf96c2b7a6c5b7eb1fa3ea65e37152bdb305155776192

SHA512
7c4694b53e8ad79fc78d5044528026ca3d000434a8b0121b89bfc1335c97b0a242774ed4d96b7a777fd65f034ef1a18d656dbe27967d616157912afe372a49db

Download Submit
\Users\Admin\AppData\Local\Temp\nstC302.tmp\System.dll

Filesize
11KB

MD5
fccff8cb7a1067e23fd2e2b63971a8e1

SHA1
30e2a9e137c1223a78a0f7b0bf96a1c361976d91

SHA256
6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e

SHA512
f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c

Download Submit
memory/1212-16-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1212-17-0x0000000004530000-0x0000000004616000-memory.dmp

Filesize
920KB

Download
memory/1212-23-0x0000000004530000-0x0000000004616000-memory.dmp

Filesize
920KB

Download
memory/1856-10-0x0000000010000000-0x0000000010005000-memory.dmp

Filesize
20KB

Download
memory/1856-13-0x0000000010000000-0x0000000010005000-memory.dmp

Filesize
20KB

Download
memory/2200-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2200-15-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2520-20-0x0000000000E70000-0x0000000000E75000-memory.dmp

Filesize
20KB

Download
memory/2520-21-0x0000000000E70000-0x0000000000E75000-memory.dmp

Filesize
20KB

Download
memory/2520-22-0x0000000000080000-0x00000000000A8000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads