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
behavioral2/memory/1592-126-0x00000000029C0000-0x00000000029E9000-memory.dmp	xloader

Blocklisted process makes network request 19 IoCs

Processes:

wscript.exe

flow	pid	process
9	3148	wscript.exe
18	3148	wscript.exe
19	3148	wscript.exe
24	3148	wscript.exe
29	3148	wscript.exe
32	3148	wscript.exe
37	3148	wscript.exe
39	3148	wscript.exe
44	3148	wscript.exe
46	3148	wscript.exe
49	3148	wscript.exe
54	3148	wscript.exe
58	3148	wscript.exe
60	3148	wscript.exe
62	3148	wscript.exe
69	3148	wscript.exe
72	3148	wscript.exe
74	3148	wscript.exe
79	3148	wscript.exe

Executes dropped EXE 1 IoCs

Processes:

neworder.exe

pid process

668 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-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\fToQnfjMil.js\""	wscript.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

neworder.exeipconfig.exe

description	pid	process	target process
PID 668 set thread context of 3064	668	neworder.exe	Explorer.EXE
PID 1592 set thread context of 3064	1592	ipconfig.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
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

ipconfig.exe

pid process

1592 ipconfig.exe

pid	process
1592	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

Processes:

neworder.exeipconfig.exe

pid	process
668	neworder.exe
668	neworder.exe
668	neworder.exe
668	neworder.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe
1592	ipconfig.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3064 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

neworder.exeipconfig.exe

pid process

668 neworder.exe
668 neworder.exe
668 neworder.exe
1592 ipconfig.exe
1592 ipconfig.exe

pid	process
3064	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

neworder.exeipconfig.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	668	neworder.exe
Token: SeDebugPrivilege	1592	ipconfig.exe
Token: SeShutdownPrivilege	3064	Explorer.EXE
Token: SeCreatePagefilePrivilege	3064	Explorer.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

wscript.exeExplorer.EXEipconfig.exe

description	pid	process	target process
PID 2072 wrote to memory of 3148	2072	wscript.exe	wscript.exe
PID 2072 wrote to memory of 3148	2072	wscript.exe	wscript.exe
PID 2072 wrote to memory of 668	2072	wscript.exe	neworder.exe
PID 2072 wrote to memory of 668	2072	wscript.exe	neworder.exe
PID 2072 wrote to memory of 668	2072	wscript.exe	neworder.exe
PID 3064 wrote to memory of 1592	3064	Explorer.EXE	ipconfig.exe
PID 3064 wrote to memory of 1592	3064	Explorer.EXE	ipconfig.exe
PID 3064 wrote to memory of 1592	3064	Explorer.EXE	ipconfig.exe
PID 1592 wrote to memory of 824	1592	ipconfig.exe	cmd.exe
PID 1592 wrote to memory of 824	1592	ipconfig.exe	cmd.exe
PID 1592 wrote to memory of 824	1592	ipconfig.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3064

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\KBH-2092649118.js
2⤵
- Suspicious use of WriteProcessMemory
PID:2072

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:3148

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:668

C:\Windows\SysWOW64\ipconfig.exe
"C:\Windows\SysWOW64\ipconfig.exe"
2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1592

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\neworder.exe"
3⤵
PID:824

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

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\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/668-121-0x0000000000B10000-0x0000000000B21000-memory.dmp

Filesize
68KB

Download
memory/668-117-0x0000000000000000-mapping.dmp

Download
memory/668-120-0x0000000000B70000-0x0000000000E90000-memory.dmp

Filesize
3.1MB

Download
memory/824-124-0x0000000000000000-mapping.dmp

Download
memory/1592-123-0x0000000000000000-mapping.dmp

Download
memory/1592-126-0x00000000029C0000-0x00000000029E9000-memory.dmp

Filesize
164KB

Download
memory/1592-125-0x0000000000210000-0x000000000021B000-memory.dmp

Filesize
44KB

Download
memory/1592-127-0x0000000002F10000-0x0000000003230000-memory.dmp

Filesize
3.1MB

Download
memory/1592-128-0x0000000002E10000-0x0000000002EA0000-memory.dmp

Filesize
576KB

Download
memory/3064-122-0x0000000002A40000-0x0000000002B32000-memory.dmp

Filesize
968KB

Download
memory/3064-129-0x0000000006120000-0x000000000622F000-memory.dmp

Filesize
1.1MB

Download
memory/3148-115-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads