vjw0rm | 1103cc349deb9d738448ee8ba8f4189af39984f3e92a9adf1bafcda1d45bd652

General

Target

PO26910193.js
Size

715KB
MD5

471845f89fdc0d48bbbc4eef5513d5e2
SHA1

e25a0ca1425e8bfcc8516e0e85ecaf8b5d99ecf2
SHA256

1103cc349deb9d738448ee8ba8f4189af39984f3e92a9adf1bafcda1d45bd652
SHA512

2605e7db46bd4e3435c3710ad2ab443525d9b94ead16a6fdb73756d8a9afba2c5a4792e2d625503b2ae19c944cb7c1e441f2b5dc9328573ea0a47ddfe0698ec6

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\wealth.exe	xloader
C:\Users\Admin\AppData\Local\Temp\wealth.exe	xloader
behavioral2/memory/3824-126-0x0000000000B40000-0x0000000000B69000-memory.dmp	xloader

Blocklisted process makes network request 18 IoCs

Processes:

wscript.exe

flow	pid	process
9	852	wscript.exe
12	852	wscript.exe
17	852	wscript.exe
24	852	wscript.exe
31	852	wscript.exe
40	852	wscript.exe
49	852	wscript.exe
51	852	wscript.exe
57	852	wscript.exe
59	852	wscript.exe
61	852	wscript.exe
64	852	wscript.exe
68	852	wscript.exe
70	852	wscript.exe
75	852	wscript.exe
77	852	wscript.exe
81	852	wscript.exe
84	852	wscript.exe

Executes dropped EXE 1 IoCs

Processes:

wealth.exe

pid process

1136 wealth.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\lPObwAVZjm.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\lPObwAVZjm.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\\lPObwAVZjm.js\""	wscript.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

wealth.exewlanext.exe

description	pid	process	target process
PID 1136 set thread context of 2712	1136	wealth.exe	Explorer.EXE
PID 3824 set thread context of 2712	3824	wlanext.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 58 IoCs

Processes:

wealth.exewlanext.exe

pid	process
1136	wealth.exe
1136	wealth.exe
1136	wealth.exe
1136	wealth.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe
3824	wlanext.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2712 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

wealth.exewlanext.exe

pid process

1136 wealth.exe
1136 wealth.exe
1136 wealth.exe
3824 wlanext.exe
3824 wlanext.exe

pid	process
2712	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

wealth.exewlanext.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1136	wealth.exe
Token: SeDebugPrivilege	3824	wlanext.exe
Token: SeShutdownPrivilege	2712	Explorer.EXE
Token: SeCreatePagefilePrivilege	2712	Explorer.EXE
Token: SeShutdownPrivilege	2712	Explorer.EXE
Token: SeCreatePagefilePrivilege	2712	Explorer.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

wscript.exeExplorer.EXEwlanext.exe

description	pid	process	target process
PID 2096 wrote to memory of 852	2096	wscript.exe	wscript.exe
PID 2096 wrote to memory of 852	2096	wscript.exe	wscript.exe
PID 2096 wrote to memory of 1136	2096	wscript.exe	wealth.exe
PID 2096 wrote to memory of 1136	2096	wscript.exe	wealth.exe
PID 2096 wrote to memory of 1136	2096	wscript.exe	wealth.exe
PID 2712 wrote to memory of 3824	2712	Explorer.EXE	wlanext.exe
PID 2712 wrote to memory of 3824	2712	Explorer.EXE	wlanext.exe
PID 2712 wrote to memory of 3824	2712	Explorer.EXE	wlanext.exe
PID 3824 wrote to memory of 2380	3824	wlanext.exe	cmd.exe
PID 3824 wrote to memory of 2380	3824	wlanext.exe	cmd.exe
PID 3824 wrote to memory of 2380	3824	wlanext.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2712

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\PO26910193.js
2⤵
- Suspicious use of WriteProcessMemory
PID:2096

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\lPObwAVZjm.js"
3⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:852

C:\Users\Admin\AppData\Local\Temp\wealth.exe
"C:\Users\Admin\AppData\Local\Temp\wealth.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1136

C:\Windows\SysWOW64\wlanext.exe
"C:\Windows\SysWOW64\wlanext.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3824

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\wealth.exe"
3⤵
PID:2380

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\wealth.exe
MD5
83481bf872730cd133669c5ea5b1be2b

SHA1
fbd2369965b20f6bee09063aa454de13a18c71d3

SHA256
5d174dd08492f307e4b367e262f3e96b9beefb99f5abb11043ddf7142a18e9e8

SHA512
9080dc9bcdfba87ff3ecb3ba04af7a03dea2228f093fbb91149ff8825694601908ba85b2ce27a1de47ce1f6e263b03d96d80d43b7a4033051fbbac64fde7dc51

Download Submit
C:\Users\Admin\AppData\Local\Temp\wealth.exe
MD5
83481bf872730cd133669c5ea5b1be2b

SHA1
fbd2369965b20f6bee09063aa454de13a18c71d3

SHA256
5d174dd08492f307e4b367e262f3e96b9beefb99f5abb11043ddf7142a18e9e8

SHA512
9080dc9bcdfba87ff3ecb3ba04af7a03dea2228f093fbb91149ff8825694601908ba85b2ce27a1de47ce1f6e263b03d96d80d43b7a4033051fbbac64fde7dc51

Download Submit
C:\Users\Admin\AppData\Roaming\lPObwAVZjm.js
MD5
cc4c347aa8b598d1187c6ac8220b645d

SHA1
9075dc46990744f92756bcf86493a1a85b45db97

SHA256
b27ceeed7816086caa5d310dbf342d345d2a9367ee1455d2ccf19196f4c2fe6b

SHA512
e9ae8851374c67c725f8a16ad2461497da793f56c73fff1bf89e1d4f3e3d48a110e01018d963aba843fd256c9cc9ab2950323b3ea93df422dbd20d348603cd03

Download Submit
memory/852-115-0x0000000000000000-mapping.dmp

Download
memory/1136-120-0x0000000001860000-0x0000000001B80000-memory.dmp

Filesize
3.1MB

Download
memory/1136-121-0x0000000001340000-0x000000000148A000-memory.dmp

Filesize
1.3MB

Download
memory/1136-117-0x0000000000000000-mapping.dmp

Download
memory/2380-124-0x0000000000000000-mapping.dmp

Download
memory/2712-122-0x00000000023C0000-0x00000000024A9000-memory.dmp

Filesize
932KB

Download
memory/2712-129-0x0000000002540000-0x000000000261D000-memory.dmp

Filesize
884KB

Download
memory/3824-123-0x0000000000000000-mapping.dmp

Download
memory/3824-126-0x0000000000B40000-0x0000000000B69000-memory.dmp

Filesize
164KB

Download
memory/3824-125-0x0000000001200000-0x0000000001217000-memory.dmp

Filesize
92KB

Download
memory/3824-127-0x0000000003560000-0x0000000003880000-memory.dmp

Filesize
3.1MB

Download
memory/3824-128-0x00000000032B0000-0x0000000003340000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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