xloader | 2ea5c66405be0aa4503f7379be6c3520afd5f82784571825fb5032c96d59397c

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
31-08-2024 01:34

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General

Target

czOxHskgIAQwZ8m.exe
Size

425KB
MD5

edb54a30972b862cfba8589bb1f67c7e
SHA1

7f3b9b36342bb863950e592063db38cd2c3f8bb9
SHA256

856b8775a8063900378a815cd03d0f9628c4296eddd93ac9e9cd52269178c079
SHA512

51f1e192a0f06472c5bf3da68e511d1112dd61a8a429aeb14c39e3d8e05b0448b5086d4367a2953b3dbbaa453faac63aa4319127aa9944e68334322cc6bc8f42
SSDEEP

12288:S0SrZ2vE4MtuTN6GLMX3a9sO81joauMuB3fj:Sf2vE9tuPgHa2O8hoauMuB

Score

10^/10

xloader amb4 discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

amb4

Decoy

ameerkabob.com

wenzhikeji.online

ktnsoil.xyz

dock7rods.com

simbaimmigration.com

tanahvilamalino.online

amaozn-co-jp.xyz

atahukukbafra.com

attruth.net

jigservices.net

310indianway.com

freelotto.online

mylanding-page.com

dudemealprep.com

wellmaintainedhealth.com

vitemonprenom.com

laurynfauntroy.com

pilotmom.info

arpatientsapp.com

sendangdigital.com

Signatures

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

Xloader payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4060-11-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/4060-16-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/4060-20-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/1348-27-0x0000000000BC0000-0x0000000000BE9000-memory.dmp	xloader

Suspicious use of SetThreadContext 4 IoCs

Processes:

czOxHskgIAQwZ8m.execzOxHskgIAQwZ8m.exeexplorer.exe

description	pid	Process	procid_target
PID 5068 set thread context of 4060	5068	czOxHskgIAQwZ8m.exe	98
PID 4060 set thread context of 3488	4060	czOxHskgIAQwZ8m.exe	56
PID 4060 set thread context of 3488	4060	czOxHskgIAQwZ8m.exe	56
PID 1348 set thread context of 3488	1348	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

Processes:

czOxHskgIAQwZ8m.exeexplorer.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	czOxHskgIAQwZ8m.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 52 IoCs

Processes:

czOxHskgIAQwZ8m.execzOxHskgIAQwZ8m.exeexplorer.exe

pid	Process
5068	czOxHskgIAQwZ8m.exe
5068	czOxHskgIAQwZ8m.exe
5068	czOxHskgIAQwZ8m.exe
5068	czOxHskgIAQwZ8m.exe
5068	czOxHskgIAQwZ8m.exe
5068	czOxHskgIAQwZ8m.exe
4060	czOxHskgIAQwZ8m.exe
4060	czOxHskgIAQwZ8m.exe
4060	czOxHskgIAQwZ8m.exe
4060	czOxHskgIAQwZ8m.exe
4060	czOxHskgIAQwZ8m.exe
4060	czOxHskgIAQwZ8m.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe
1348	explorer.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

czOxHskgIAQwZ8m.exeexplorer.exe

pid	Process
4060	czOxHskgIAQwZ8m.exe
4060	czOxHskgIAQwZ8m.exe
4060	czOxHskgIAQwZ8m.exe
4060	czOxHskgIAQwZ8m.exe
1348	explorer.exe
1348	explorer.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

czOxHskgIAQwZ8m.execzOxHskgIAQwZ8m.exeexplorer.exe

description	pid	Process
Token: SeDebugPrivilege	5068	czOxHskgIAQwZ8m.exe
Token: SeDebugPrivilege	4060	czOxHskgIAQwZ8m.exe
Token: SeDebugPrivilege	1348	explorer.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid	Process
3488	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

czOxHskgIAQwZ8m.exeExplorer.EXEexplorer.exe

description	pid	Process	procid_target
PID 5068 wrote to memory of 4060	5068	czOxHskgIAQwZ8m.exe	98
PID 5068 wrote to memory of 4060	5068	czOxHskgIAQwZ8m.exe	98
PID 5068 wrote to memory of 4060	5068	czOxHskgIAQwZ8m.exe	98
PID 5068 wrote to memory of 4060	5068	czOxHskgIAQwZ8m.exe	98
PID 5068 wrote to memory of 4060	5068	czOxHskgIAQwZ8m.exe	98
PID 5068 wrote to memory of 4060	5068	czOxHskgIAQwZ8m.exe	98
PID 3488 wrote to memory of 1348	3488	Explorer.EXE	99
PID 3488 wrote to memory of 1348	3488	Explorer.EXE	99
PID 3488 wrote to memory of 1348	3488	Explorer.EXE	99
PID 1348 wrote to memory of 228	1348	explorer.exe	100
PID 1348 wrote to memory of 228	1348	explorer.exe	100
PID 1348 wrote to memory of 228	1348	explorer.exe	100

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3488
- C:\Users\Admin\AppData\Local\Temp\czOxHskgIAQwZ8m.exe
  "C:\Users\Admin\AppData\Local\Temp\czOxHskgIAQwZ8m.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5068
- - C:\Users\Admin\AppData\Local\Temp\czOxHskgIAQwZ8m.exe
    "C:\Users\Admin\AppData\Local\Temp\czOxHskgIAQwZ8m.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4060
- 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:1348
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\czOxHskgIAQwZ8m.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:228

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1348-27-0x0000000000BC0000-0x0000000000BE9000-memory.dmp

Filesize
164KB

Download
memory/1348-25-0x0000000000F00000-0x0000000001333000-memory.dmp

Filesize
4.2MB

Download
memory/1348-26-0x0000000000F00000-0x0000000001333000-memory.dmp

Filesize
4.2MB

Download
memory/3488-28-0x00000000092F0000-0x000000000940E000-memory.dmp

Filesize
1.1MB

Download
memory/3488-31-0x0000000009830000-0x00000000099B7000-memory.dmp

Filesize
1.5MB

Download
memory/3488-33-0x0000000009830000-0x00000000099B7000-memory.dmp

Filesize
1.5MB

Download
memory/3488-23-0x00000000091A0000-0x00000000092EF000-memory.dmp

Filesize
1.3MB

Download
memory/3488-22-0x00000000092F0000-0x000000000940E000-memory.dmp

Filesize
1.1MB

Download
memory/3488-18-0x00000000091A0000-0x00000000092EF000-memory.dmp

Filesize
1.3MB

Download
memory/4060-16-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4060-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4060-21-0x0000000001380000-0x0000000001391000-memory.dmp

Filesize
68KB

Download
memory/4060-11-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4060-14-0x00000000013E0000-0x000000000172A000-memory.dmp

Filesize
3.3MB

Download
memory/4060-17-0x0000000001310000-0x0000000001321000-memory.dmp

Filesize
68KB

Download
memory/5068-6-0x0000000007710000-0x000000000771E000-memory.dmp

Filesize
56KB

Download
memory/5068-13-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/5068-10-0x0000000008950000-0x00000000089A2000-memory.dmp

Filesize
328KB

Download
memory/5068-9-0x0000000008860000-0x00000000088FC000-memory.dmp

Filesize
624KB

Download
memory/5068-8-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/5068-7-0x00000000751AE000-0x00000000751AF000-memory.dmp

Filesize
4KB

Download
memory/5068-0-0x00000000751AE000-0x00000000751AF000-memory.dmp

Filesize
4KB

Download
memory/5068-5-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/5068-4-0x0000000004AD0000-0x0000000004ADA000-memory.dmp

Filesize
40KB

Download
memory/5068-3-0x0000000007510000-0x00000000075A2000-memory.dmp

Filesize
584KB

Download
memory/5068-2-0x0000000007A10000-0x0000000007FB4000-memory.dmp

Filesize
5.6MB

Download
memory/5068-1-0x00000000005F0000-0x0000000000660000-memory.dmp

Filesize
448KB

Download