xloader | 8cd0e616d6bdbf46e397e681954f326dab266d99f7197b5d4800460d44c3fe06

General

Target

8cd0e616d6bdbf46e397e681954f326dab266d99f7197b5d4800460d44c3fe06.exe
Size

243KB
MD5

4bf4450020724b27517cddead279c4ed
SHA1

4ced998f7bc61731e9278a40465ca56da64fbcc5
SHA256

8cd0e616d6bdbf46e397e681954f326dab266d99f7197b5d4800460d44c3fe06
SHA512

3a816c892d8a3d43a573e377081bec8e12ef7e2a3ba0a63302be6da15d583cbfeb649723b44eeb944d9245850c465cd1cec884b91d44573c9743cd9cd4186796
SSDEEP

3072:rS17XJiDxmJJ9VTgr23+Jhif76pfXRu4iDKEKD3b+lNx52hLHAnwCFcj7USifb4u:rGiPqdOd04l4lZ2lHxj7ZtJmIyO0Mmie

Score

10^/10

xloader nv0a discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

nv0a

Decoy

creativehomesrealty.com

hairshopamity.com

karunahotyoga.com

indialowfare.com

abdulnazar.com

art-handmade.com

videofx.store

onboard-alt-digital-avg.rest

lipe-engineering.com

arthurchatfield.com

keencloset.com

jsyonghui.com

hangwei.tech

price-hype.com

rlandislnteriors.com

junewilderwrites.com

dazhongwenzhai.com

tsnefise17.xyz

2ndmobi.com

natemerritt.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/2388-17-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2388-19-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2188-25-0x00000000000D0000-0x00000000000F9000-memory.dmp	xloader

Executes dropped EXE 2 IoCs

pid	Process
2420	wyzjr.exe
2388	wyzjr.exe

Loads dropped DLL 3 IoCs

pid	Process
1900	8cd0e616d6bdbf46e397e681954f326dab266d99f7197b5d4800460d44c3fe06.exe
1900	8cd0e616d6bdbf46e397e681954f326dab266d99f7197b5d4800460d44c3fe06.exe
2420	wyzjr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2420 set thread context of 2388	2420	wyzjr.exe	31
PID 2388 set thread context of 1176	2388	wyzjr.exe	21
PID 2188 set thread context of 1176	2188	cmstp.exe	21

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	8cd0e616d6bdbf46e397e681954f326dab266d99f7197b5d4800460d44c3fe06.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wyzjr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmstp.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2388	wyzjr.exe
2388	wyzjr.exe
2188	cmstp.exe
2188	cmstp.exe
2188	cmstp.exe
2188	cmstp.exe
2188	cmstp.exe
2188	cmstp.exe
2188	cmstp.exe
2188	cmstp.exe
2188	cmstp.exe
2188	cmstp.exe
2188	cmstp.exe
2188	cmstp.exe
2188	cmstp.exe
2188	cmstp.exe
2188	cmstp.exe
2188	cmstp.exe
2188	cmstp.exe
2188	cmstp.exe
2188	cmstp.exe
2188	cmstp.exe
2188	cmstp.exe
2188	cmstp.exe
2188	cmstp.exe
2188	cmstp.exe
2188	cmstp.exe
2188	cmstp.exe
2188	cmstp.exe
2188	cmstp.exe
2188	cmstp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2388	wyzjr.exe
2388	wyzjr.exe
2388	wyzjr.exe
2188	cmstp.exe
2188	cmstp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2388	wyzjr.exe
Token: SeDebugPrivilege	2188	cmstp.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 2420	1900	8cd0e616d6bdbf46e397e681954f326dab266d99f7197b5d4800460d44c3fe06.exe	30
PID 1900 wrote to memory of 2420	1900	8cd0e616d6bdbf46e397e681954f326dab266d99f7197b5d4800460d44c3fe06.exe	30
PID 1900 wrote to memory of 2420	1900	8cd0e616d6bdbf46e397e681954f326dab266d99f7197b5d4800460d44c3fe06.exe	30
PID 1900 wrote to memory of 2420	1900	8cd0e616d6bdbf46e397e681954f326dab266d99f7197b5d4800460d44c3fe06.exe	30
PID 2420 wrote to memory of 2388	2420	wyzjr.exe	31
PID 2420 wrote to memory of 2388	2420	wyzjr.exe	31
PID 2420 wrote to memory of 2388	2420	wyzjr.exe	31
PID 2420 wrote to memory of 2388	2420	wyzjr.exe	31
PID 2420 wrote to memory of 2388	2420	wyzjr.exe	31
PID 2420 wrote to memory of 2388	2420	wyzjr.exe	31
PID 2420 wrote to memory of 2388	2420	wyzjr.exe	31
PID 1176 wrote to memory of 2188	1176	Explorer.EXE	32
PID 1176 wrote to memory of 2188	1176	Explorer.EXE	32
PID 1176 wrote to memory of 2188	1176	Explorer.EXE	32
PID 1176 wrote to memory of 2188	1176	Explorer.EXE	32
PID 1176 wrote to memory of 2188	1176	Explorer.EXE	32
PID 1176 wrote to memory of 2188	1176	Explorer.EXE	32
PID 1176 wrote to memory of 2188	1176	Explorer.EXE	32
PID 2188 wrote to memory of 2840	2188	cmstp.exe	34
PID 2188 wrote to memory of 2840	2188	cmstp.exe	34
PID 2188 wrote to memory of 2840	2188	cmstp.exe	34
PID 2188 wrote to memory of 2840	2188	cmstp.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1176
- C:\Users\Admin\AppData\Local\Temp\8cd0e616d6bdbf46e397e681954f326dab266d99f7197b5d4800460d44c3fe06.exe
  "C:\Users\Admin\AppData\Local\Temp\8cd0e616d6bdbf46e397e681954f326dab266d99f7197b5d4800460d44c3fe06.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1900
- - C:\Users\Admin\AppData\Local\Temp\wyzjr.exe
    C:\Users\Admin\AppData\Local\Temp\wyzjr.exe C:\Users\Admin\AppData\Local\Temp\izjwkhiz
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2420
  - - C:\Users\Admin\AppData\Local\Temp\wyzjr.exe
      C:\Users\Admin\AppData\Local\Temp\wyzjr.exe C:\Users\Admin\AppData\Local\Temp\izjwkhiz
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:2388
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.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:2188
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\wyzjr.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2840

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

C:\Users\Admin\AppData\Local\Temp\izjwkhiz

Filesize
5KB

MD5
c41cc022a5b5e72d4e182de9d458a763

SHA1
5f92d10f77512c6b5efb80f005306bbe533c9612

SHA256
bc0b3df83d1ae598d17ca9adf8a70ee3de8f9f0bc1ecf87786994277d441447f

SHA512
ff66adfac66965ed5a9b7dbe999b20a9bc7d3e190d59fbbb988578557467de72bc3a834b2be42652f9fdb643709b8e9e6bf9b0d8f651be22e9408684f6703f3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\x1rwpv2bzxwpsa1

Filesize
212KB

MD5
2c86fd5b82613a4bb25162eece241874

SHA1
99440aad85aede39e9b2ade66b82fbd02575ab5b

SHA256
eefd122c8453d86bf99cd79cce877644596446126c2d27b1bb18b8f33e762e74

SHA512
4915eaf6cf72c4ceb9e799a82094290fbbe15ec04ee07c6c1aeb9af62db16c595ce432626c18a93c56557a1f75929d1b607e1c64b36e118931d5a3ce0bb9a9e2

Download Submit
\Users\Admin\AppData\Local\Temp\wyzjr.exe

Filesize
4KB

MD5
1a5ec202f8169810c65c8a217e04652c

SHA1
8f3515de3ffbd19e5410632243cdd2c7111346df

SHA256
d8e511d26414c679bb7386e511a2847f627a431d33cd91f6f7860fc7d6cda704

SHA512
98a1172857e64e967c396492baad7bd65b7175c7631e854b756c2a7fe046406a700d91f0b6075e95c74ddaa76631bc2436797b16dd1f637a0279b13ef1187061

Download Submit
memory/1176-20-0x0000000007AB0000-0x0000000007C4A000-memory.dmp

Filesize
1.6MB

Download
memory/1176-26-0x0000000007AB0000-0x0000000007C4A000-memory.dmp

Filesize
1.6MB

Download
memory/2188-23-0x0000000000E40000-0x0000000000E58000-memory.dmp

Filesize
96KB

Download
memory/2188-24-0x0000000000E40000-0x0000000000E58000-memory.dmp

Filesize
96KB

Download
memory/2188-25-0x00000000000D0000-0x00000000000F9000-memory.dmp

Filesize
164KB

Download
memory/2388-17-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2388-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2420-12-0x0000000000220000-0x0000000000222000-memory.dmp

Filesize
8KB

Download

Analysis

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