xloader | 837d300e98a18fa8dbbc05698e27588c60cec168b5fc5a095a8b6ddeceb2a069

General

Target

Rfq_order_item_24062021.exe
Size

395KB
MD5

3914d904ebe3174fbfa604d97cae3a70
SHA1

8f175b52d4c770821af2d15dc0913e721316ad08
SHA256

d210db96dc90cbfc39b183fbab1bb9f59bd321101fbc7c405a1a4c16e0033863
SHA512

11dc78ad2a8c127c9b26d59a20ec5a4fafe22c364b828ab351e9c3255eb667ac9bfcb43a69f23713456204c1ae99db93fcbc858a9e0f7d114b1a337aca4d78b3
SSDEEP

6144:RTqjFta/eo1NGZxvk4QumnHU3lg3Z2hHmZIN38hkOQ7iZx7:5aaG4GZxvVbg3sHhNs+J7iZx7

Score

10^/10

xloader rht3 discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

rht3

Decoy

sincitytactical.xyz

danangclick.com

walaupulaupau07.com

caselnk.com

abcnwqs.com

lordlinghk.com

unsaltner.com

allocationtestdrive.com

directinteractionscorp.com

paloaltoroofing.info

limchinjoosawmill.com

planetafps.com

elevenstonestudios.com

dqaej.com

generilic.com

sandydigitalmarketing.com

flyingnorthdesigns.com

arrowmops.com

freedommindsetpod.com

fpr.xyz

Signatures

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

Xloader payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2556-12-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2556-14-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2556-17-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2860-26-0x0000000000090000-0x00000000000B8000-memory.dmp	xloader

Deletes itself 1 IoCs

pid	Process
3028	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
2196	Rfq_order_item_24062021.exe
2196	Rfq_order_item_24062021.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2196 set thread context of 2556	2196	Rfq_order_item_24062021.exe	30
PID 2556 set thread context of 1160	2556	Rfq_order_item_24062021.exe	21
PID 2556 set thread context of 1160	2556	Rfq_order_item_24062021.exe	21
PID 2860 set thread context of 1160	2860	rundll32.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Rfq_order_item_24062021.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
2556	Rfq_order_item_24062021.exe
2556	Rfq_order_item_24062021.exe
2556	Rfq_order_item_24062021.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe
2860	rundll32.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2196	Rfq_order_item_24062021.exe
2556	Rfq_order_item_24062021.exe
2556	Rfq_order_item_24062021.exe
2556	Rfq_order_item_24062021.exe
2556	Rfq_order_item_24062021.exe
2860	rundll32.exe
2860	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2556	Rfq_order_item_24062021.exe
Token: SeDebugPrivilege	2860	rundll32.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 2556	2196	Rfq_order_item_24062021.exe	30
PID 2196 wrote to memory of 2556	2196	Rfq_order_item_24062021.exe	30
PID 2196 wrote to memory of 2556	2196	Rfq_order_item_24062021.exe	30
PID 2196 wrote to memory of 2556	2196	Rfq_order_item_24062021.exe	30
PID 2196 wrote to memory of 2556	2196	Rfq_order_item_24062021.exe	30
PID 1160 wrote to memory of 2860	1160	Explorer.EXE	31
PID 1160 wrote to memory of 2860	1160	Explorer.EXE	31
PID 1160 wrote to memory of 2860	1160	Explorer.EXE	31
PID 1160 wrote to memory of 2860	1160	Explorer.EXE	31
PID 1160 wrote to memory of 2860	1160	Explorer.EXE	31
PID 1160 wrote to memory of 2860	1160	Explorer.EXE	31
PID 1160 wrote to memory of 2860	1160	Explorer.EXE	31
PID 2860 wrote to memory of 3028	2860	rundll32.exe	32
PID 2860 wrote to memory of 3028	2860	rundll32.exe	32
PID 2860 wrote to memory of 3028	2860	rundll32.exe	32
PID 2860 wrote to memory of 3028	2860	rundll32.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1160
- C:\Users\Admin\AppData\Local\Temp\Rfq_order_item_24062021.exe
  "C:\Users\Admin\AppData\Local\Temp\Rfq_order_item_24062021.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2196
- - C:\Users\Admin\AppData\Local\Temp\Rfq_order_item_24062021.exe
    "C:\Users\Admin\AppData\Local\Temp\Rfq_order_item_24062021.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2556
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\SysWOW64\rundll32.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:2860
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Rfq_order_item_24062021.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:3028

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

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nsy4F4A.tmp\System.dll

Filesize
10KB

MD5
56a321bd011112ec5d8a32b2f6fd3231

SHA1
df20e3a35a1636de64df5290ae5e4e7572447f78

SHA256
bb6df93369b498eaa638b0bcdc4bb89f45e9b02ca12d28bcedf4629ea7f5e0f1

SHA512
5354890cbc53ce51081a78c64ba9c4c8c4dc9e01141798c1e916e19c5776dac7c82989fad0f08c73e81aaba332dad81205f90d0663119af45550b97b338b9cc3

Download Submit
memory/1160-15-0x0000000004C90000-0x0000000004D63000-memory.dmp

Filesize
844KB

Download
memory/1160-18-0x0000000004C90000-0x0000000004D63000-memory.dmp

Filesize
844KB

Download
memory/1160-19-0x0000000006580000-0x0000000006724000-memory.dmp

Filesize
1.6MB

Download
memory/1160-27-0x0000000006580000-0x0000000006724000-memory.dmp

Filesize
1.6MB

Download
memory/2556-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2556-14-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2556-17-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2860-23-0x0000000000D00000-0x0000000000D0E000-memory.dmp

Filesize
56KB

Download
memory/2860-22-0x0000000000D00000-0x0000000000D0E000-memory.dmp

Filesize
56KB

Download
memory/2860-25-0x0000000000D00000-0x0000000000D0E000-memory.dmp

Filesize
56KB

Download
memory/2860-26-0x0000000000090000-0x00000000000B8000-memory.dmp

Filesize
160KB

Download

Analysis

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