xloader | aef989d19eb5f5d3042ccb78cb984327a90cf1946522c42bd34bed927fe80c0b

General

Target

PI2009153.exe
Size

435KB
MD5

2261b6b87980a9fe9d22499c32af581a
SHA1

ad538af5295f9b670f3bc23c6d4c3bf79d388572
SHA256

a6ec6fd1e4c0673bde9231a68752edca4fb9fda60e342cd735ff53729d262da8
SHA512

600416010f13514e3faa2fdda94df93ae89b6f964381ee02c1a9a982a6aaec2c823bb7235b57bee33ab5c8e07f89293c1ca988f9f772e5da207f3d8336fcbde9
SSDEEP

12288:aZ41MVuZj2uUPrxLfCl2/reQIh2+J6tzyvscuPbR:aZ9VUfCrxjCUeFh2+JWuvscER

Score

10^/10

xloader 8ah discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.1

Campaign

8ah

Decoy

outcrewz.com

superstormkleenup.com

onewildmermaid.com

awhvh.com

fundacionamoryesperanza.com

raisingabbi.com

peersonpurpose.com

brasilliana.com

bkkshutter68.com

revistaartesanato.net

machadiet.com

hurricanefloodcleaning.com

poshmargarita.life

skyhighet.com

letsgetrealyyc.com

wiringplusllc.com

news3105.pictures

huaxiangyan.com

telesecretariat-medical.com

imcc-j.com

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/2732-12-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2732-16-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2732-20-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2764-27-0x0000000000070000-0x0000000000098000-memory.dmp	xloader

Deletes itself 1 IoCs

pid	Process
2620	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2100 set thread context of 2732	2100	PI2009153.exe	31
PID 2732 set thread context of 1272	2732	PI2009153.exe	21
PID 2732 set thread context of 1272	2732	PI2009153.exe	21
PID 2764 set thread context of 1272	2764	wscript.exe	21

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	wscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PI2009153.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

pid	Process
2732	PI2009153.exe
2732	PI2009153.exe
2732	PI2009153.exe
2764	wscript.exe
2764	wscript.exe
2764	wscript.exe
2764	wscript.exe
2764	wscript.exe
2764	wscript.exe
2764	wscript.exe
2764	wscript.exe
2764	wscript.exe
2764	wscript.exe
2764	wscript.exe
2764	wscript.exe
2764	wscript.exe
2764	wscript.exe
2764	wscript.exe
2764	wscript.exe
2764	wscript.exe
2764	wscript.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2732	PI2009153.exe
2732	PI2009153.exe
2732	PI2009153.exe
2732	PI2009153.exe
2764	wscript.exe
2764	wscript.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2732	PI2009153.exe
Token: SeDebugPrivilege	2764	wscript.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 2732	2100	PI2009153.exe	31
PID 2100 wrote to memory of 2732	2100	PI2009153.exe	31
PID 2100 wrote to memory of 2732	2100	PI2009153.exe	31
PID 2100 wrote to memory of 2732	2100	PI2009153.exe	31
PID 2100 wrote to memory of 2732	2100	PI2009153.exe	31
PID 2100 wrote to memory of 2732	2100	PI2009153.exe	31
PID 2100 wrote to memory of 2732	2100	PI2009153.exe	31
PID 1272 wrote to memory of 2764	1272	Explorer.EXE	32
PID 1272 wrote to memory of 2764	1272	Explorer.EXE	32
PID 1272 wrote to memory of 2764	1272	Explorer.EXE	32
PID 1272 wrote to memory of 2764	1272	Explorer.EXE	32
PID 2764 wrote to memory of 2620	2764	wscript.exe	33
PID 2764 wrote to memory of 2620	2764	wscript.exe	33
PID 2764 wrote to memory of 2620	2764	wscript.exe	33
PID 2764 wrote to memory of 2620	2764	wscript.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1272
- C:\Users\Admin\AppData\Local\Temp\PI2009153.exe
  "C:\Users\Admin\AppData\Local\Temp\PI2009153.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2100
- - C:\Users\Admin\AppData\Local\Temp\PI2009153.exe
    "C:\Users\Admin\AppData\Local\Temp\PI2009153.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2732
- 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:2764
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\PI2009153.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2620

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/1272-18-0x0000000006760000-0x000000000683F000-memory.dmp

Filesize
892KB

Download
memory/1272-28-0x0000000006BA0000-0x0000000006CC9000-memory.dmp

Filesize
1.2MB

Download
memory/1272-24-0x0000000006760000-0x000000000683F000-memory.dmp

Filesize
892KB

Download
memory/1272-23-0x0000000006BA0000-0x0000000006CC9000-memory.dmp

Filesize
1.2MB

Download
memory/2100-6-0x00000000046C0000-0x0000000004708000-memory.dmp

Filesize
288KB

Download
memory/2100-4-0x0000000074A3E000-0x0000000074A3F000-memory.dmp

Filesize
4KB

Download
memory/2100-0-0x0000000074A3E000-0x0000000074A3F000-memory.dmp

Filesize
4KB

Download
memory/2100-7-0x00000000009C0000-0x00000000009EE000-memory.dmp

Filesize
184KB

Download
memory/2100-1-0x00000000009F0000-0x0000000000A62000-memory.dmp

Filesize
456KB

Download
memory/2100-2-0x0000000000320000-0x0000000000332000-memory.dmp

Filesize
72KB

Download
memory/2100-5-0x0000000074A30000-0x000000007511E000-memory.dmp

Filesize
6.9MB

Download
memory/2100-3-0x0000000074A30000-0x000000007511E000-memory.dmp

Filesize
6.9MB

Download
memory/2100-13-0x0000000074A30000-0x000000007511E000-memory.dmp

Filesize
6.9MB

Download
memory/2732-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2732-17-0x0000000000130000-0x0000000000140000-memory.dmp

Filesize
64KB

Download
memory/2732-16-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2732-14-0x0000000000A70000-0x0000000000D73000-memory.dmp

Filesize
3.0MB

Download
memory/2732-21-0x00000000001B0000-0x00000000001C0000-memory.dmp

Filesize
64KB

Download
memory/2732-9-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2732-20-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2732-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2732-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2764-26-0x0000000000A00000-0x0000000000A26000-memory.dmp

Filesize
152KB

Download
memory/2764-25-0x0000000000A00000-0x0000000000A26000-memory.dmp

Filesize
152KB

Download
memory/2764-27-0x0000000000070000-0x0000000000098000-memory.dmp

Filesize
160KB

Download

Analysis

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