xloader | c355f8737bf92c3a48fcc9f15a2efff3fc92b267a8dd3776d120e08d2d372046

General

Target

cZAFQY1ivxT14o0.exe
Size

526KB
MD5

fdfcce551589979a297b003bed5ac9e1
SHA1

9d209f5f1b696ed695a28aea018f7179d7a795d2
SHA256

06cc2d206afed5e79426d726b19ca9ae4dda8f5ed252bea54204aed24433831b
SHA512

4f85b4f8c7095c20c209c9104a81cea33b220e712851acb6b051af251f411be1b9c1540f50029c02257cbbaf1d6f31d3dff2b32dfe3965a73e0aa2b2453539d1
SSDEEP

12288:j6jZXuX2ev4+tCCjypGYgOB96vdnLM30ZExHiDVErV9nNTPX:j69+lvhbhYNI5M30ZRVM9

Score

10^/10

xloader g3ws discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

g3ws

Decoy

lashandragrey.com

rickster.tech

mfengnews.com

ignatovi.com

munjashoong.com

oplexxburn.com

freaner.agency

finetaxmultiservice.com

sydneyelectroservices.com

puma-factoryoutlet.com

kakaomobility-recruit.com

tombitz.com

kekenapeps.com

claudchat.com

hondenpaleis.com

hyswkimjisoo.xyz

ralphlaurenoutlet.us

cargonodeseado.xyz

virtualassistantsteam.com

mamaduduprints.com

Signatures

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

Xloader payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2460-16-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/2460-21-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/2804-26-0x0000000000080000-0x00000000000AB000-memory.dmp	xloader

Deletes itself 1 IoCs

pid	Process
2664	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2220 set thread context of 2460	2220	cZAFQY1ivxT14o0.exe	29
PID 2460 set thread context of 1220	2460	cZAFQY1ivxT14o0.exe	21
PID 2804 set thread context of 1220	2804	ipconfig.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	cZAFQY1ivxT14o0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ipconfig.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2804	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

pid	Process
2460	cZAFQY1ivxT14o0.exe
2460	cZAFQY1ivxT14o0.exe
2804	ipconfig.exe
2804	ipconfig.exe
2804	ipconfig.exe
2804	ipconfig.exe
2804	ipconfig.exe
2804	ipconfig.exe
2804	ipconfig.exe
2804	ipconfig.exe
2804	ipconfig.exe
2804	ipconfig.exe
2804	ipconfig.exe
2804	ipconfig.exe
2804	ipconfig.exe
2804	ipconfig.exe
2804	ipconfig.exe
2804	ipconfig.exe
2804	ipconfig.exe
2804	ipconfig.exe
2804	ipconfig.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2460	cZAFQY1ivxT14o0.exe
2460	cZAFQY1ivxT14o0.exe
2460	cZAFQY1ivxT14o0.exe
2804	ipconfig.exe
2804	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2460	cZAFQY1ivxT14o0.exe
Token: SeDebugPrivilege	2804	ipconfig.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 2460	2220	cZAFQY1ivxT14o0.exe	29
PID 2220 wrote to memory of 2460	2220	cZAFQY1ivxT14o0.exe	29
PID 2220 wrote to memory of 2460	2220	cZAFQY1ivxT14o0.exe	29
PID 2220 wrote to memory of 2460	2220	cZAFQY1ivxT14o0.exe	29
PID 2220 wrote to memory of 2460	2220	cZAFQY1ivxT14o0.exe	29
PID 2220 wrote to memory of 2460	2220	cZAFQY1ivxT14o0.exe	29
PID 2220 wrote to memory of 2460	2220	cZAFQY1ivxT14o0.exe	29
PID 1220 wrote to memory of 2804	1220	Explorer.EXE	30
PID 1220 wrote to memory of 2804	1220	Explorer.EXE	30
PID 1220 wrote to memory of 2804	1220	Explorer.EXE	30
PID 1220 wrote to memory of 2804	1220	Explorer.EXE	30
PID 2804 wrote to memory of 2664	2804	ipconfig.exe	31
PID 2804 wrote to memory of 2664	2804	ipconfig.exe	31
PID 2804 wrote to memory of 2664	2804	ipconfig.exe	31
PID 2804 wrote to memory of 2664	2804	ipconfig.exe	31

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1220
- C:\Users\Admin\AppData\Local\Temp\cZAFQY1ivxT14o0.exe
  "C:\Users\Admin\AppData\Local\Temp\cZAFQY1ivxT14o0.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2220
- - C:\Users\Admin\AppData\Local\Temp\cZAFQY1ivxT14o0.exe
    "C:\Users\Admin\AppData\Local\Temp\cZAFQY1ivxT14o0.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2460
- C:\Windows\SysWOW64\ipconfig.exe
  "C:\Windows\SysWOW64\ipconfig.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2804
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\cZAFQY1ivxT14o0.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

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/1220-20-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1220-29-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1220-27-0x0000000004CA0000-0x0000000004DC1000-memory.dmp

Filesize
1.1MB

Download
memory/1220-23-0x0000000004CA0000-0x0000000004DC1000-memory.dmp

Filesize
1.1MB

Download
memory/2220-6-0x0000000074EB0000-0x000000007559E000-memory.dmp

Filesize
6.9MB

Download
memory/2220-5-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

Filesize
4KB

Download
memory/2220-0-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

Filesize
4KB

Download
memory/2220-7-0x00000000004C0000-0x00000000004CA000-memory.dmp

Filesize
40KB

Download
memory/2220-8-0x0000000008040000-0x00000000080AA000-memory.dmp

Filesize
424KB

Download
memory/2220-9-0x0000000000BB0000-0x0000000000BE2000-memory.dmp

Filesize
200KB

Download
memory/2220-1-0x0000000000BE0000-0x0000000000C68000-memory.dmp

Filesize
544KB

Download
memory/2220-2-0x0000000074EB0000-0x000000007559E000-memory.dmp

Filesize
6.9MB

Download
memory/2220-4-0x0000000074EB0000-0x000000007559E000-memory.dmp

Filesize
6.9MB

Download
memory/2220-3-0x00000000004B0000-0x00000000004C6000-memory.dmp

Filesize
88KB

Download
memory/2220-17-0x0000000074EB0000-0x000000007559E000-memory.dmp

Filesize
6.9MB

Download
memory/2460-18-0x0000000000C70000-0x0000000000F73000-memory.dmp

Filesize
3.0MB

Download
memory/2460-22-0x0000000000180000-0x0000000000191000-memory.dmp

Filesize
68KB

Download
memory/2460-21-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2460-10-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2460-12-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2460-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2460-16-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2804-24-0x00000000002D0000-0x00000000002DA000-memory.dmp

Filesize
40KB

Download
memory/2804-25-0x00000000002D0000-0x00000000002DA000-memory.dmp

Filesize
40KB

Download
memory/2804-26-0x0000000000080000-0x00000000000AB000-memory.dmp

Filesize
172KB

Download

Analysis

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