xloader | d24a20267fa5f97927358bdb6a5b6776492d35b2b67a89858425c654fe84d5f8

General

Target

ea5d42beb9693c39239f8cd6475af0e9.exe
Size

531KB
MD5

ea5d42beb9693c39239f8cd6475af0e9
SHA1

dea2b68e605e354836c58b8f592511f6b26513b0
SHA256

500db2ef97a164d00676ba3cff04cf5a34962220a2577ee9833333ebc685c807
SHA512

df1e7ddb7861b5cf3903ef3532746e8a768bb6e41c54a377e07abec4d7fef41487bc69019e9ddf0fa01cfad08d3fdcd46d739a868733ba3cbaa6befd071fa1fd
SSDEEP

12288:uprq6gUzJr6qDU34H85iPZtzCy8rKkzBUIe8/D+l:uprnEqY4QcZx5LkVIus

Score

10^/10

xloader nins discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

nins

Decoy

wingsmh.com

honeyconstructionmanagement.com

aizaibali.com

twelve11transportsllc.com

aadetermatology.com

sarahdewald.com

si-kap.online

imperiummetal.site

srysyoga.com

fbirelationship.com

drtracielashley.academy

jrgsestates.com

affordableseo.club

triggerfingerboards.com

halalmine.com

shopdogwoodhill.com

qad.info

nocraphere.com

misskarennglishteacher.com

march.wtf

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/3664-6-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/3664-11-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/2716-17-0x0000000000CF0000-0x0000000000D19000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3260 set thread context of 3664	3260	ea5d42beb9693c39239f8cd6475af0e9.exe	102
PID 3664 set thread context of 3452	3664	aspnet_compiler.exe	56
PID 2716 set thread context of 3452	2716	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	ea5d42beb9693c39239f8cd6475af0e9.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 50 IoCs

pid	Process
3260	ea5d42beb9693c39239f8cd6475af0e9.exe
3260	ea5d42beb9693c39239f8cd6475af0e9.exe
3664	aspnet_compiler.exe
3664	aspnet_compiler.exe
3664	aspnet_compiler.exe
3664	aspnet_compiler.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe
2716	explorer.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3664	aspnet_compiler.exe
3664	aspnet_compiler.exe
3664	aspnet_compiler.exe
2716	explorer.exe
2716	explorer.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3260	ea5d42beb9693c39239f8cd6475af0e9.exe
Token: SeDebugPrivilege	3664	aspnet_compiler.exe
Token: SeDebugPrivilege	2716	explorer.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3260 wrote to memory of 4048	3260	ea5d42beb9693c39239f8cd6475af0e9.exe	101
PID 3260 wrote to memory of 4048	3260	ea5d42beb9693c39239f8cd6475af0e9.exe	101
PID 3260 wrote to memory of 4048	3260	ea5d42beb9693c39239f8cd6475af0e9.exe	101
PID 3260 wrote to memory of 3664	3260	ea5d42beb9693c39239f8cd6475af0e9.exe	102
PID 3260 wrote to memory of 3664	3260	ea5d42beb9693c39239f8cd6475af0e9.exe	102
PID 3260 wrote to memory of 3664	3260	ea5d42beb9693c39239f8cd6475af0e9.exe	102
PID 3260 wrote to memory of 3664	3260	ea5d42beb9693c39239f8cd6475af0e9.exe	102
PID 3260 wrote to memory of 3664	3260	ea5d42beb9693c39239f8cd6475af0e9.exe	102
PID 3260 wrote to memory of 3664	3260	ea5d42beb9693c39239f8cd6475af0e9.exe	102
PID 3452 wrote to memory of 2716	3452	Explorer.EXE	103
PID 3452 wrote to memory of 2716	3452	Explorer.EXE	103
PID 3452 wrote to memory of 2716	3452	Explorer.EXE	103
PID 2716 wrote to memory of 4496	2716	explorer.exe	104
PID 2716 wrote to memory of 4496	2716	explorer.exe	104
PID 2716 wrote to memory of 4496	2716	explorer.exe	104

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3452
- C:\Users\Admin\AppData\Local\Temp\ea5d42beb9693c39239f8cd6475af0e9.exe
  "C:\Users\Admin\AppData\Local\Temp\ea5d42beb9693c39239f8cd6475af0e9.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3260
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:4048
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3664
- 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:2716
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4496

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/2716-15-0x00000000003F0000-0x0000000000823000-memory.dmp

Filesize
4.2MB

Download
memory/2716-17-0x0000000000CF0000-0x0000000000D19000-memory.dmp

Filesize
164KB

Download
memory/2716-16-0x00000000003F0000-0x0000000000823000-memory.dmp

Filesize
4.2MB

Download
memory/3260-4-0x00000000752CE000-0x00000000752CF000-memory.dmp

Filesize
4KB

Download
memory/3260-2-0x00000000752C0000-0x0000000075A70000-memory.dmp

Filesize
7.7MB

Download
memory/3260-5-0x00000000752C0000-0x0000000075A70000-memory.dmp

Filesize
7.7MB

Download
memory/3260-1-0x00000000007D0000-0x000000000085C000-memory.dmp

Filesize
560KB

Download
memory/3260-8-0x00000000752C0000-0x0000000075A70000-memory.dmp

Filesize
7.7MB

Download
memory/3260-0-0x00000000752CE000-0x00000000752CF000-memory.dmp

Filesize
4KB

Download
memory/3260-3-0x0000000005320000-0x00000000053BC000-memory.dmp

Filesize
624KB

Download
memory/3452-13-0x0000000002B60000-0x0000000002C1F000-memory.dmp

Filesize
764KB

Download
memory/3452-18-0x0000000002B60000-0x0000000002C1F000-memory.dmp

Filesize
764KB

Download
memory/3452-27-0x0000000002C20000-0x0000000002CD1000-memory.dmp

Filesize
708KB

Download
memory/3452-28-0x0000000002C20000-0x0000000002CD1000-memory.dmp

Filesize
708KB

Download
memory/3452-30-0x0000000002C20000-0x0000000002CD1000-memory.dmp

Filesize
708KB

Download
memory/3664-11-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3664-12-0x0000000001410000-0x0000000001421000-memory.dmp

Filesize
68KB

Download
memory/3664-9-0x00000000018D0000-0x0000000001C1A000-memory.dmp

Filesize
3.3MB

Download
memory/3664-6-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download

Analysis

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