xloader | 8381d19dc58f90b1128943d60b41930dd0619f4a7ef0f2940aff2f5f8c234627

General

Target

b092672d7f36d3deaab664c0a562b055f9cee3f247328e639aca58f025f979ca.exe
Size

480KB
MD5

66fc712a2dc1321fa0fc6bdf8bcd82a5
SHA1

7870ac22e3c8233430e0c5df62c72397f29e1294
SHA256

b092672d7f36d3deaab664c0a562b055f9cee3f247328e639aca58f025f979ca
SHA512

d0c101943eb61750234a838e1c5b2571996c64c5f0800272656d74e79dd60e9737e3c5326978ff6dacdd32bde71b88b46e0b4b9e87cde7e09f1246bb3667e7d7
SSDEEP

12288:7GR+JWHCM2K4C82OJDY5/pMTGel5JutwUXr/oS:J73CBOdceT3StvXrQS

Score

10^/10

xloader n58i discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.4

Campaign

n58i

Decoy

southerncircumstance.com

mcsasco.com

ifbrick.com

societe-anonyme.net

bantank.xyz

dogecoin.beauty

aboutacoffee.com

babalandlordrealestate.com

tintgta.com

integrity.directory

parwnr.icu

poltishof.online

stayandstyle.com

ickjeame.xyz

currentmotors.ca

pond.fund

petrosterzis.com

deadbydaylightpoints.com

hotel-balzac.paris

focusmaintainance.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/4672-12-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/4672-17-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/1456-23-0x00000000007B0000-0x00000000007D9000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1600 set thread context of 4672	1600	b092672d7f36d3deaab664c0a562b055f9cee3f247328e639aca58f025f979ca.exe	98
PID 4672 set thread context of 3496	4672	RegSvcs.exe	56
PID 1456 set thread context of 3496	1456	cmd.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b092672d7f36d3deaab664c0a562b055f9cee3f247328e639aca58f025f979ca.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

pid	Process
1600	b092672d7f36d3deaab664c0a562b055f9cee3f247328e639aca58f025f979ca.exe
1600	b092672d7f36d3deaab664c0a562b055f9cee3f247328e639aca58f025f979ca.exe
4672	RegSvcs.exe
4672	RegSvcs.exe
4672	RegSvcs.exe
4672	RegSvcs.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe
1456	cmd.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4672	RegSvcs.exe
4672	RegSvcs.exe
4672	RegSvcs.exe
1456	cmd.exe
1456	cmd.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1600	b092672d7f36d3deaab664c0a562b055f9cee3f247328e639aca58f025f979ca.exe
Token: SeDebugPrivilege	4672	RegSvcs.exe
Token: SeDebugPrivilege	1456	cmd.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 4672	1600	b092672d7f36d3deaab664c0a562b055f9cee3f247328e639aca58f025f979ca.exe	98
PID 1600 wrote to memory of 4672	1600	b092672d7f36d3deaab664c0a562b055f9cee3f247328e639aca58f025f979ca.exe	98
PID 1600 wrote to memory of 4672	1600	b092672d7f36d3deaab664c0a562b055f9cee3f247328e639aca58f025f979ca.exe	98
PID 1600 wrote to memory of 4672	1600	b092672d7f36d3deaab664c0a562b055f9cee3f247328e639aca58f025f979ca.exe	98
PID 1600 wrote to memory of 4672	1600	b092672d7f36d3deaab664c0a562b055f9cee3f247328e639aca58f025f979ca.exe	98
PID 1600 wrote to memory of 4672	1600	b092672d7f36d3deaab664c0a562b055f9cee3f247328e639aca58f025f979ca.exe	98
PID 3496 wrote to memory of 1456	3496	Explorer.EXE	99
PID 3496 wrote to memory of 1456	3496	Explorer.EXE	99
PID 3496 wrote to memory of 1456	3496	Explorer.EXE	99
PID 1456 wrote to memory of 3564	1456	cmd.exe	100
PID 1456 wrote to memory of 3564	1456	cmd.exe	100
PID 1456 wrote to memory of 3564	1456	cmd.exe	100

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3496
- C:\Users\Admin\AppData\Local\Temp\b092672d7f36d3deaab664c0a562b055f9cee3f247328e639aca58f025f979ca.exe
  "C:\Users\Admin\AppData\Local\Temp\b092672d7f36d3deaab664c0a562b055f9cee3f247328e639aca58f025f979ca.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1600
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4672
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.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:1456
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3564

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

Loading Replay Monitor...

Downloads

memory/1456-22-0x0000000000BB0000-0x0000000000C0A000-memory.dmp

Filesize
360KB

Download
memory/1456-23-0x00000000007B0000-0x00000000007D9000-memory.dmp

Filesize
164KB

Download
memory/1456-20-0x0000000000BB0000-0x0000000000C0A000-memory.dmp

Filesize
360KB

Download
memory/1600-6-0x0000000006550000-0x000000000655E000-memory.dmp

Filesize
56KB

Download
memory/1600-2-0x0000000005850000-0x0000000005DF4000-memory.dmp

Filesize
5.6MB

Download
memory/1600-5-0x00000000052C0000-0x00000000052CA000-memory.dmp

Filesize
40KB

Download
memory/1600-0-0x00000000749DE000-0x00000000749DF000-memory.dmp

Filesize
4KB

Download
memory/1600-7-0x0000000006600000-0x000000000669C000-memory.dmp

Filesize
624KB

Download
memory/1600-8-0x00000000749DE000-0x00000000749DF000-memory.dmp

Filesize
4KB

Download
memory/1600-9-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/1600-10-0x0000000009140000-0x00000000091A8000-memory.dmp

Filesize
416KB

Download
memory/1600-11-0x000000000B920000-0x000000000B950000-memory.dmp

Filesize
192KB

Download
memory/1600-1-0x0000000000980000-0x00000000009FE000-memory.dmp

Filesize
504KB

Download
memory/1600-14-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/1600-4-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/1600-3-0x0000000005340000-0x00000000053D2000-memory.dmp

Filesize
584KB

Download
memory/3496-19-0x0000000003470000-0x000000000351F000-memory.dmp

Filesize
700KB

Download
memory/3496-24-0x0000000003470000-0x000000000351F000-memory.dmp

Filesize
700KB

Download
memory/3496-28-0x0000000003520000-0x00000000035CB000-memory.dmp

Filesize
684KB

Download
memory/3496-29-0x0000000003520000-0x00000000035CB000-memory.dmp

Filesize
684KB

Download
memory/3496-31-0x0000000003520000-0x00000000035CB000-memory.dmp

Filesize
684KB

Download
memory/4672-17-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4672-18-0x0000000001700000-0x0000000001711000-memory.dmp

Filesize
68KB

Download
memory/4672-15-0x0000000001740000-0x0000000001A8A000-memory.dmp

Filesize
3.3MB

Download
memory/4672-12-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download

Analysis

Sharing