vjw0rm | fd04d5a8a5e86c1666282015aa9496bc94da38c7a057745754afe6e4da2aef33

General

Target

KBH-2092649118.js
Size

409KB
MD5

b981d918dc8628b9c0a657f5e62c595f
SHA1

e4c9f272e99b20201a440cf267d5645180531fd9
SHA256

fd04d5a8a5e86c1666282015aa9496bc94da38c7a057745754afe6e4da2aef33
SHA512

7869703c1a53ece58ecdce67d15b9af9e02a7cbb4cf6563c873c7635344a964144e59820247bb625da6c18ad8563812e186a0e3cb50d515a834fd17fbeec47eb

Score

10^/10

vjw0rm xloader pzi0 loader persistence rat suricata trojan worm

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

pzi0

C2

http://www.buffstaff.com/pzi0/

Decoy

laylmodest.com

woruke.club

metaverseslots.net

syscogent.net

aluxxenterprise.com

lm-solar.com

lightempirestore.com

witcheboutique.com

hometech-bosch.xyz

expert-netcad.com

poteconomist.com

mycousinsfriend.biz

shineveranda.com

collegedictionary.cloud

zqlidexx.com

businessesopportunity.com

2utalahs4.com

participatetn.info

dare2ownit.com

varser.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
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\neworder.exe	xloader
C:\Users\Admin\AppData\Local\Temp\neworder.exe	xloader
behavioral1/memory/1820-66-0x00000000000D0000-0x00000000000F9000-memory.dmp	xloader

Blocklisted process makes network request 18 IoCs

Processes:

wscript.exe

flow	pid	process
5	656	wscript.exe
6	656	wscript.exe
9	656	wscript.exe
13	656	wscript.exe
17	656	wscript.exe
20	656	wscript.exe
24	656	wscript.exe
28	656	wscript.exe
30	656	wscript.exe
34	656	wscript.exe
39	656	wscript.exe
41	656	wscript.exe
47	656	wscript.exe
49	656	wscript.exe
53	656	wscript.exe
57	656	wscript.exe
60	656	wscript.exe
62	656	wscript.exe

Executes dropped EXE 1 IoCs

Processes:

neworder.exe

pid process

564 neworder.exe

Drops startup file 2 IoCs

Processes:

wscript.exe

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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wscript.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\fToQnfjMil.js\""	wscript.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

neworder.exewuapp.exe

description	pid	process	target process
PID 564 set thread context of 1200	564	neworder.exe	Explorer.EXE
PID 1820 set thread context of 1200	1820	wuapp.exe	Explorer.EXE

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 31 IoCs

Processes:

neworder.exewuapp.exe

pid	process
564	neworder.exe
564	neworder.exe
1820	wuapp.exe
1820	wuapp.exe
1820	wuapp.exe
1820	wuapp.exe
1820	wuapp.exe
1820	wuapp.exe
1820	wuapp.exe
1820	wuapp.exe
1820	wuapp.exe
1820	wuapp.exe
1820	wuapp.exe
1820	wuapp.exe
1820	wuapp.exe
1820	wuapp.exe
1820	wuapp.exe
1820	wuapp.exe
1820	wuapp.exe
1820	wuapp.exe
1820	wuapp.exe
1820	wuapp.exe
1820	wuapp.exe
1820	wuapp.exe
1820	wuapp.exe
1820	wuapp.exe
1820	wuapp.exe
1820	wuapp.exe
1820	wuapp.exe
1820	wuapp.exe
1820	wuapp.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1200 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

neworder.exewuapp.exe

pid process

564 neworder.exe
564 neworder.exe
564 neworder.exe
1820 wuapp.exe
1820 wuapp.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

neworder.exewuapp.exe

description pid process

Token: SeDebugPrivilege 564 neworder.exe
Token: SeDebugPrivilege 1820 wuapp.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1200 Explorer.EXE
1200 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1200 Explorer.EXE
1200 Explorer.EXE

pid	process
1200	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	564	neworder.exe
Token: SeDebugPrivilege	1820	wuapp.exe

pid	process
1200	Explorer.EXE
1200	Explorer.EXE

pid	process
1200	Explorer.EXE
1200	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

wscript.exeExplorer.EXEwuapp.exe

description	pid	process	target process
PID 1752 wrote to memory of 656	1752	wscript.exe	wscript.exe
PID 1752 wrote to memory of 656	1752	wscript.exe	wscript.exe
PID 1752 wrote to memory of 656	1752	wscript.exe	wscript.exe
PID 1752 wrote to memory of 564	1752	wscript.exe	neworder.exe
PID 1752 wrote to memory of 564	1752	wscript.exe	neworder.exe
PID 1752 wrote to memory of 564	1752	wscript.exe	neworder.exe
PID 1752 wrote to memory of 564	1752	wscript.exe	neworder.exe
PID 1200 wrote to memory of 1820	1200	Explorer.EXE	wuapp.exe
PID 1200 wrote to memory of 1820	1200	Explorer.EXE	wuapp.exe
PID 1200 wrote to memory of 1820	1200	Explorer.EXE	wuapp.exe
PID 1200 wrote to memory of 1820	1200	Explorer.EXE	wuapp.exe
PID 1200 wrote to memory of 1820	1200	Explorer.EXE	wuapp.exe
PID 1200 wrote to memory of 1820	1200	Explorer.EXE	wuapp.exe
PID 1200 wrote to memory of 1820	1200	Explorer.EXE	wuapp.exe
PID 1820 wrote to memory of 992	1820	wuapp.exe	cmd.exe
PID 1820 wrote to memory of 992	1820	wuapp.exe	cmd.exe
PID 1820 wrote to memory of 992	1820	wuapp.exe	cmd.exe
PID 1820 wrote to memory of 992	1820	wuapp.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Windows\system32\wscript.exe
  wscript.exe C:\Users\Admin\AppData\Local\Temp\KBH-2092649118.js
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1752
- - C:\Windows\System32\wscript.exe
    "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\fToQnfjMil.js"
    3⤵
    - Blocklisted process makes network request
    - Drops startup file
    - Adds Run key to start application
    PID:656
- - C:\Users\Admin\AppData\Local\Temp\neworder.exe
    "C:\Users\Admin\AppData\Local\Temp\neworder.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:564
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1660
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1880
- C:\Windows\SysWOW64\wuapp.exe
  "C:\Windows\SysWOW64\wuapp.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1820
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\neworder.exe"
    3⤵
    PID:992

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

MD5
83481bf872730cd133669c5ea5b1be2b

SHA1
fbd2369965b20f6bee09063aa454de13a18c71d3

SHA256
5d174dd08492f307e4b367e262f3e96b9beefb99f5abb11043ddf7142a18e9e8

SHA512
9080dc9bcdfba87ff3ecb3ba04af7a03dea2228f093fbb91149ff8825694601908ba85b2ce27a1de47ce1f6e263b03d96d80d43b7a4033051fbbac64fde7dc51

Download Submit
C:\Users\Admin\AppData\Local\Temp\neworder.exe

MD5
83481bf872730cd133669c5ea5b1be2b

SHA1
fbd2369965b20f6bee09063aa454de13a18c71d3

SHA256
5d174dd08492f307e4b367e262f3e96b9beefb99f5abb11043ddf7142a18e9e8

SHA512
9080dc9bcdfba87ff3ecb3ba04af7a03dea2228f093fbb91149ff8825694601908ba85b2ce27a1de47ce1f6e263b03d96d80d43b7a4033051fbbac64fde7dc51

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

MD5
3a5171601415e082a0e618199db148fb

SHA1
78bdd7148075e0320e6d6244ff7a35b8a6df1f18

SHA256
21ba248b305587f1766bfa67c3c9140c2c740a8de969e6529ee1db7c33d5d48c

SHA512
42d218e0d6b3dce79dd2995becc85e60f99260042daaeac0a7c778b7e1501a9de4ccf5a10e138d16e3b70c060d8bc38ef888d8445a4b70412072b55121225075

Download Submit
memory/564-57-0x0000000000000000-mapping.dmp

Download
memory/564-59-0x0000000000980000-0x0000000000C83000-memory.dmp

Filesize
3.0MB

Download
memory/564-60-0x0000000000130000-0x0000000000141000-memory.dmp

Filesize
68KB

Download
memory/656-55-0x0000000000000000-mapping.dmp

Download
memory/992-64-0x0000000000000000-mapping.dmp

Download
memory/1200-61-0x0000000007390000-0x0000000007507000-memory.dmp

Filesize
1.5MB

Download
memory/1200-69-0x0000000006760000-0x0000000006825000-memory.dmp

Filesize
788KB

Download
memory/1820-62-0x0000000000000000-mapping.dmp

Download
memory/1820-66-0x00000000000D0000-0x00000000000F9000-memory.dmp

Filesize
164KB

Download
memory/1820-65-0x00000000010B0000-0x00000000010BB000-memory.dmp

Filesize
44KB

Download
memory/1820-67-0x0000000000A50000-0x0000000000D53000-memory.dmp

Filesize
3.0MB

Download
memory/1820-68-0x0000000000950000-0x00000000009E0000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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