vjw0rm | b71e66c2f3dd88356df6c1bb0cab806156e91bed324c376b45cae58ce051ceff

General

Target

f875ce20d9473d5dd74d2e0382fb32ba.js
Size

311KB
MD5

f875ce20d9473d5dd74d2e0382fb32ba
SHA1

a9b75554d7cb9eae3f06c2b9f3b7cf60617b32d8
SHA256

b71e66c2f3dd88356df6c1bb0cab806156e91bed324c376b45cae58ce051ceff
SHA512

1eccb095f0bd41fb28879a726d8257b3a30cc487efa33fe24f2be2899596ee99bc54179d7003493aec50e55f6e6beac77616a9a8d9c3d80e4cb4a0244c33c4fe
SSDEEP

6144:X/Rfo2A0XbJtYp+JPNqRvhQoACsix01v8sPgMBZe9c/slHWiqIWvfQwc:mkFtYwPNqRGrCG9rYML/FjvI

Score

10^/10

vjw0rm xloader wqos loader persistence rat trojan worm

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

wqos

Decoy

nobis.one

firecrestfineart.com

zhongqiaolw.com

healthcaremovement.com

amothersloveliberates.com

maskscafe.com

dkukkmk.icu

realmindofmitch.com

cranes-crossing.com

deeplyrootedplants.com

doodlesbakery.com

xiaomagu.com

lactase-enzym.com

comprartecnologia.com

making-my-new-normal.com

ruksamin.com

inforko.com

2mblueprint.com

pinkfang.com

100daysofbush.com

Signatures

Vjw0rm
Vjw0rm is a remote access trojan written in JavaScript.
trojan worm vjw0rm
Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader

Xloader payload 4 IoCs

rat

resource	yara_rule
behavioral1/files/0x0029000000015da6-8.dat	xloader
behavioral1/memory/2772-11-0x00000000003A0000-0x00000000003C8000-memory.dmp	xloader
behavioral1/memory/2944-16-0x00000000000C0000-0x00000000000E8000-memory.dmp	xloader
behavioral1/memory/2944-19-0x00000000000C0000-0x00000000000E8000-memory.dmp	xloader

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\zIMOUAQYhg.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\zIMOUAQYhg.js	wscript.exe

Executes dropped EXE 1 IoCs

pid	Process
2772	bin.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\zIMOUAQYhg.js\""	wscript.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2772 set thread context of 1192	2772	bin.exe	9
PID 2944 set thread context of 1192	2944	NETSTAT.EXE	9

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

System Information Discovery
T1082

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
2944	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2772	bin.exe
2772	bin.exe
2944	NETSTAT.EXE
2944	NETSTAT.EXE
2944	NETSTAT.EXE
2944	NETSTAT.EXE
2944	NETSTAT.EXE
2944	NETSTAT.EXE
2944	NETSTAT.EXE
2944	NETSTAT.EXE
2944	NETSTAT.EXE
2944	NETSTAT.EXE
2944	NETSTAT.EXE
2944	NETSTAT.EXE
2944	NETSTAT.EXE
2944	NETSTAT.EXE
2944	NETSTAT.EXE
2944	NETSTAT.EXE
2944	NETSTAT.EXE
2944	NETSTAT.EXE
2944	NETSTAT.EXE
2944	NETSTAT.EXE
2944	NETSTAT.EXE
2944	NETSTAT.EXE
2944	NETSTAT.EXE
2944	NETSTAT.EXE
2944	NETSTAT.EXE
2944	NETSTAT.EXE
2944	NETSTAT.EXE
2944	NETSTAT.EXE
2944	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2772	bin.exe
2772	bin.exe
2772	bin.exe
2944	NETSTAT.EXE
2944	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2772	bin.exe
Token: SeDebugPrivilege	2944	NETSTAT.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 1936	1956	wscript.exe	28
PID 1956 wrote to memory of 1936	1956	wscript.exe	28
PID 1956 wrote to memory of 1936	1956	wscript.exe	28
PID 1956 wrote to memory of 2772	1956	wscript.exe	29
PID 1956 wrote to memory of 2772	1956	wscript.exe	29
PID 1956 wrote to memory of 2772	1956	wscript.exe	29
PID 1956 wrote to memory of 2772	1956	wscript.exe	29
PID 1192 wrote to memory of 2944	1192	Explorer.EXE	31
PID 1192 wrote to memory of 2944	1192	Explorer.EXE	31
PID 1192 wrote to memory of 2944	1192	Explorer.EXE	31
PID 1192 wrote to memory of 2944	1192	Explorer.EXE	31

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Windows\system32\wscript.exe
  wscript.exe C:\Users\Admin\AppData\Local\Temp\f875ce20d9473d5dd74d2e0382fb32ba.js
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1956
- - C:\Windows\System32\wscript.exe
    "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\zIMOUAQYhg.js"
    3⤵
    - Drops startup file
    - Adds Run key to start application
    PID:1936
- - C:\Users\Admin\AppData\Local\Temp\bin.exe
    "C:\Users\Admin\AppData\Local\Temp\bin.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2772
- C:\Windows\SysWOW64\NETSTAT.EXE
  "C:\Windows\SysWOW64\NETSTAT.EXE"
  2⤵
  - Suspicious use of SetThreadContext
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  PID:2944

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\bin.exe

Filesize
160KB

MD5
63f3a93c472be113725e951e40696642

SHA1
15477f7333a4ad56227bc61049c5eb5451ac73c7

SHA256
92e653a855a5495cc862ed79ee39aa6620b9b0b08948e89f866b07debba1b2f8

SHA512
c155c01b90f80ab7125138e79a03a07b3699a00d1953653a00ac2f29d06d496bc9633119f3885f36f615313630cd1283822b12f38d7446a698b430584e238549

Download Submit
C:\Users\Admin\AppData\Roaming\zIMOUAQYhg.js

Filesize
9KB

MD5
797f97b46b0f42d7a26810b7b2e04cc9

SHA1
141b0a609e3fe9e4695ad0dfd905be24414287ab

SHA256
2a15292e70c7b6edbfb44ae1347debf9ab31bb3296b7cd3619fda0f9abf0d89d

SHA512
c5173a980edc2230d9673e2c5729b6829c4130e80a14eb7efd7f0e41bc5a3f01b559fb67b5be191e0a309f0b04abf2c52b632e873307471569a07f995774a27d

Download Submit
memory/1192-23-0x0000000006220000-0x0000000006371000-memory.dmp

Filesize
1.3MB

Download
memory/1192-12-0x0000000006220000-0x0000000006371000-memory.dmp

Filesize
1.3MB

Download
memory/2772-10-0x00000000000E0000-0x00000000000F0000-memory.dmp

Filesize
64KB

Download
memory/2772-9-0x0000000000980000-0x0000000000C83000-memory.dmp

Filesize
3.0MB

Download
memory/2772-11-0x00000000003A0000-0x00000000003C8000-memory.dmp

Filesize
160KB

Download
memory/2944-14-0x00000000003F0000-0x00000000003F9000-memory.dmp

Filesize
36KB

Download
memory/2944-16-0x00000000000C0000-0x00000000000E8000-memory.dmp

Filesize
160KB

Download
memory/2944-17-0x0000000002140000-0x0000000002443000-memory.dmp

Filesize
3.0MB

Download
memory/2944-19-0x00000000000C0000-0x00000000000E8000-memory.dmp

Filesize
160KB

Download
memory/2944-20-0x0000000001F00000-0x0000000001F8F000-memory.dmp

Filesize
572KB

Download
memory/2944-15-0x00000000003F0000-0x00000000003F9000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads