xloader | e152ae72c09a655a5549a6509e7a0fdae6b203a02554b7cc6ccb345d25888bb3

General

Target

Y0GEeY1WOWNMYni.exe
Size

678KB
MD5

7c45a8542757d9ed6871c12d1d8e733b
SHA1

6ffdb6f2b38f45fe00ebd82a074336596938eaae
SHA256

7300768cbf7406a287c49de81c675dadd3d5bd4d181afabc533380eac73f944a
SHA512

d3fb0653ce229de6f885e7e24ae8fd4ad7de7eaebedbad7e07aff1d08be3b7c95c7133d65b9f72b1b087a634af3ace93e39102c77ded7bc82a1a14e63ab280a7
SSDEEP

6144:m4fxbbFJLgGo+lkVSuc8gGzBLAcFiR+Kt15f/OSjFiTTVFcXbCdp8o78HfVNNBI9:ZhlkVJcYB0igX5f/mj2Cd6iN53JJA

Score

10^/10

xloader bfhm discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

bfhm

Decoy

martensromania.com

e-cans.com

solarinverter.pro

threadluvapparel.com

livesarchitecture.com

velozgroup.net

xdcasdg.xyz

parsindoor.com

orderdonki.com

jingbangjy.com

dfjdfjtriurti548548548.xyz

au-cl8.com

workingclasscompany.com

wrjunk.com

debratreesaudiology.com

nuwearco.com

theteaverse.com

quanxinpdd.com

dabanse.com

pyztsl.com

Signatures

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

Xloader payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/948-12-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/948-17-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/404-22-0x0000000000790000-0x00000000007B8000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4928 set thread context of 948	4928	Y0GEeY1WOWNMYni.exe	92
PID 948 set thread context of 3448	948	Y0GEeY1WOWNMYni.exe	56
PID 404 set thread context of 3448	404	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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Y0GEeY1WOWNMYni.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 44 IoCs

pid	Process
4928	Y0GEeY1WOWNMYni.exe
4928	Y0GEeY1WOWNMYni.exe
948	Y0GEeY1WOWNMYni.exe
948	Y0GEeY1WOWNMYni.exe
948	Y0GEeY1WOWNMYni.exe
948	Y0GEeY1WOWNMYni.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe
404	wscript.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
948	Y0GEeY1WOWNMYni.exe
948	Y0GEeY1WOWNMYni.exe
948	Y0GEeY1WOWNMYni.exe
404	wscript.exe
404	wscript.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4928	Y0GEeY1WOWNMYni.exe
Token: SeDebugPrivilege	948	Y0GEeY1WOWNMYni.exe
Token: SeDebugPrivilege	404	wscript.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4928 wrote to memory of 4484	4928	Y0GEeY1WOWNMYni.exe	91
PID 4928 wrote to memory of 4484	4928	Y0GEeY1WOWNMYni.exe	91
PID 4928 wrote to memory of 4484	4928	Y0GEeY1WOWNMYni.exe	91
PID 4928 wrote to memory of 948	4928	Y0GEeY1WOWNMYni.exe	92
PID 4928 wrote to memory of 948	4928	Y0GEeY1WOWNMYni.exe	92
PID 4928 wrote to memory of 948	4928	Y0GEeY1WOWNMYni.exe	92
PID 4928 wrote to memory of 948	4928	Y0GEeY1WOWNMYni.exe	92
PID 4928 wrote to memory of 948	4928	Y0GEeY1WOWNMYni.exe	92
PID 4928 wrote to memory of 948	4928	Y0GEeY1WOWNMYni.exe	92
PID 3448 wrote to memory of 404	3448	Explorer.EXE	93
PID 3448 wrote to memory of 404	3448	Explorer.EXE	93
PID 3448 wrote to memory of 404	3448	Explorer.EXE	93
PID 404 wrote to memory of 944	404	wscript.exe	94
PID 404 wrote to memory of 944	404	wscript.exe	94
PID 404 wrote to memory of 944	404	wscript.exe	94

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3448
- C:\Users\Admin\AppData\Local\Temp\Y0GEeY1WOWNMYni.exe
  "C:\Users\Admin\AppData\Local\Temp\Y0GEeY1WOWNMYni.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4928
- - C:\Users\Admin\AppData\Local\Temp\Y0GEeY1WOWNMYni.exe
    "C:\Users\Admin\AppData\Local\Temp\Y0GEeY1WOWNMYni.exe"
    3⤵
    PID:4484
- - C:\Users\Admin\AppData\Local\Temp\Y0GEeY1WOWNMYni.exe
    "C:\Users\Admin\AppData\Local\Temp\Y0GEeY1WOWNMYni.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:948
- 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:404
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Y0GEeY1WOWNMYni.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:944

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/404-21-0x0000000000620000-0x0000000000647000-memory.dmp

Filesize
156KB

Download
memory/404-22-0x0000000000790000-0x00000000007B8000-memory.dmp

Filesize
160KB

Download
memory/404-20-0x0000000000620000-0x0000000000647000-memory.dmp

Filesize
156KB

Download
memory/948-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/948-15-0x0000000001320000-0x000000000166A000-memory.dmp

Filesize
3.3MB

Download
memory/948-17-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/948-18-0x0000000000D70000-0x0000000000D80000-memory.dmp

Filesize
64KB

Download
memory/3448-30-0x0000000008620000-0x0000000008728000-memory.dmp

Filesize
1.0MB

Download
memory/3448-28-0x0000000008620000-0x0000000008728000-memory.dmp

Filesize
1.0MB

Download
memory/3448-27-0x0000000008620000-0x0000000008728000-memory.dmp

Filesize
1.0MB

Download
memory/3448-23-0x0000000002CE0000-0x0000000002DB0000-memory.dmp

Filesize
832KB

Download
memory/3448-19-0x0000000002CE0000-0x0000000002DB0000-memory.dmp

Filesize
832KB

Download
memory/4928-9-0x0000000075060000-0x0000000075810000-memory.dmp

Filesize
7.7MB

Download
memory/4928-14-0x0000000075060000-0x0000000075810000-memory.dmp

Filesize
7.7MB

Download
memory/4928-0-0x000000007506E000-0x000000007506F000-memory.dmp

Filesize
4KB

Download
memory/4928-11-0x000000000E560000-0x000000000E58E000-memory.dmp

Filesize
184KB

Download
memory/4928-10-0x000000000BB60000-0x000000000BBC6000-memory.dmp

Filesize
408KB

Download
memory/4928-4-0x0000000004ED0000-0x0000000004EDA000-memory.dmp

Filesize
40KB

Download
memory/4928-3-0x0000000004F30000-0x0000000004FC2000-memory.dmp

Filesize
584KB

Download
memory/4928-2-0x0000000005440000-0x00000000059E4000-memory.dmp

Filesize
5.6MB

Download
memory/4928-1-0x0000000000420000-0x00000000004D0000-memory.dmp

Filesize
704KB

Download
memory/4928-8-0x000000007506E000-0x000000007506F000-memory.dmp

Filesize
4KB

Download
memory/4928-7-0x000000000B790000-0x000000000B82C000-memory.dmp

Filesize
624KB

Download
memory/4928-6-0x0000000005140000-0x000000000515C000-memory.dmp

Filesize
112KB

Download
memory/4928-5-0x0000000075060000-0x0000000075810000-memory.dmp

Filesize
7.7MB

Download

Analysis

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