xloader | a20f0173ff04b522423f4cabecf30e330082bc80e0aa273c01c631d43bb44685

General

Target

po.exe
Size

799KB
MD5

fdb126e87df87515f8a22c716e15e262
SHA1

539b8cbcfea5f7366b7fb8653b3ff2421b7fd7d7
SHA256

c76ee82571b23b768691e4bf77332d125d2f9478055ead98278580a11a448e35
SHA512

82fbe9f215ebb32b53479baef3e0543acf31a7cdbe2d270e17549316a748b772227f3d39c47ed3f38a8ad62da47b4ec55783f17017c02cfb8af7ee1d706748ef
SSDEEP

12288:fjmagjIftv66WzGWSE5D1kIpNSDVtprqndi8axQ0SRKEGO84bOxBwpuUXYwrmktp:D5RhEp1orIajSR1QGqwp3j1s

Score

10^/10

xloader sgs8 discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

sgs8

Decoy

epptexportools.com

theweddingofshadiandmike.com

588movie.com

deannahayko.com

smithkenney.com

mogurin-blog.com

heffner.host

nflflex.com

tshirtcustomdesign.com

livingwithinstinct.com

hanbangvu.com

5starsct.com

jystainlesscoil.com

lechazosdeliebana.com

northeastcampervans.com

halloweeneventsinmiami.com

wellnesswithshami.net

mklaboratories.com

oilepp.club

ravexim3.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/3964-13-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/3964-18-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/4780-24-0x00000000007D0000-0x00000000007F8000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3940 set thread context of 3964	3940	po.exe	98
PID 3964 set thread context of 3520	3964	po.exe	56
PID 4780 set thread context of 3520	4780	explorer.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	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	po.exe

Suspicious behavior: EnumeratesProcesses 42 IoCs

pid	Process
3964	po.exe
3964	po.exe
3964	po.exe
3964	po.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe
4780	explorer.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3964	po.exe
3964	po.exe
3964	po.exe
4780	explorer.exe
4780	explorer.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3964	po.exe
Token: SeDebugPrivilege	4780	explorer.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3940 wrote to memory of 3964	3940	po.exe	98
PID 3940 wrote to memory of 3964	3940	po.exe	98
PID 3940 wrote to memory of 3964	3940	po.exe	98
PID 3940 wrote to memory of 3964	3940	po.exe	98
PID 3940 wrote to memory of 3964	3940	po.exe	98
PID 3940 wrote to memory of 3964	3940	po.exe	98
PID 3520 wrote to memory of 4780	3520	Explorer.EXE	99
PID 3520 wrote to memory of 4780	3520	Explorer.EXE	99
PID 3520 wrote to memory of 4780	3520	Explorer.EXE	99
PID 4780 wrote to memory of 620	4780	explorer.exe	100
PID 4780 wrote to memory of 620	4780	explorer.exe	100
PID 4780 wrote to memory of 620	4780	explorer.exe	100

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3520
- C:\Users\Admin\AppData\Local\Temp\po.exe
  "C:\Users\Admin\AppData\Local\Temp\po.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3940
- - C:\Users\Admin\AppData\Local\Temp\po.exe
    "C:\Users\Admin\AppData\Local\Temp\po.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3964
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\SysWOW64\explorer.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:4780
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\po.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:620

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/3520-20-0x0000000002880000-0x0000000002941000-memory.dmp

Filesize
772KB

Download
memory/3520-32-0x0000000002C90000-0x0000000002D75000-memory.dmp

Filesize
916KB

Download
memory/3520-30-0x0000000002C90000-0x0000000002D75000-memory.dmp

Filesize
916KB

Download
memory/3520-29-0x0000000002C90000-0x0000000002D75000-memory.dmp

Filesize
916KB

Download
memory/3520-25-0x0000000002880000-0x0000000002941000-memory.dmp

Filesize
772KB

Download
memory/3940-6-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/3940-12-0x0000000009BE0000-0x0000000009C22000-memory.dmp

Filesize
264KB

Download
memory/3940-7-0x00000000055D0000-0x0000000005626000-memory.dmp

Filesize
344KB

Download
memory/3940-8-0x0000000006FA0000-0x0000000006FB6000-memory.dmp

Filesize
88KB

Download
memory/3940-9-0x0000000074F6E000-0x0000000074F6F000-memory.dmp

Filesize
4KB

Download
memory/3940-10-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/3940-11-0x0000000007590000-0x0000000007610000-memory.dmp

Filesize
512KB

Download
memory/3940-4-0x0000000005380000-0x0000000005412000-memory.dmp

Filesize
584KB

Download
memory/3940-1-0x0000000000800000-0x00000000008CE000-memory.dmp

Filesize
824KB

Download
memory/3940-15-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/3940-2-0x00000000052E0000-0x000000000537C000-memory.dmp

Filesize
624KB

Download
memory/3940-0-0x0000000074F6E000-0x0000000074F6F000-memory.dmp

Filesize
4KB

Download
memory/3940-3-0x0000000005930000-0x0000000005ED4000-memory.dmp

Filesize
5.6MB

Download
memory/3940-5-0x00000000052D0000-0x00000000052DA000-memory.dmp

Filesize
40KB

Download
memory/3964-19-0x0000000000F90000-0x0000000000FA0000-memory.dmp

Filesize
64KB

Download
memory/3964-18-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3964-16-0x00000000011A0000-0x00000000014EA000-memory.dmp

Filesize
3.3MB

Download
memory/3964-13-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4780-23-0x0000000000B00000-0x0000000000F33000-memory.dmp

Filesize
4.2MB

Download
memory/4780-24-0x00000000007D0000-0x00000000007F8000-memory.dmp

Filesize
160KB

Download
memory/4780-21-0x0000000000B00000-0x0000000000F33000-memory.dmp

Filesize
4.2MB

Download

Analysis

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