vjw0rm | 800bd31c44aa12fd62c8068878f1cb6479143792b0b99750be64d3aca407e0e4

General

Target

KBH-209294917.js
Size

473KB
MD5

262687b7aff644cea1a76fc57da4cc9f
SHA1

eaef6f314389d0462d3c59e7974f2dd39a219dc1
SHA256

800bd31c44aa12fd62c8068878f1cb6479143792b0b99750be64d3aca407e0e4
SHA512

fff886a0c970fd907447d1eacae20a795fe3f03e655fa4138dd79fe0976f6b6b9a3397d9803e57f767a3d1290dd613696a5b08fa9c6e93b47799fed75dd6a93b

Score

10^/10

vjw0rm xloader pzi0 loader persistence rat 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

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\neworder.exe	xloader
behavioral1/memory/564-65-0x00000000000C0000-0x00000000000E9000-memory.dmp	xloader
C:\Users\Admin\AppData\Local\Temp\neworder.exe	xloader

Blocklisted process makes network request 18 IoCs

Processes:

wscript.exe

flow	pid	process
5	940	wscript.exe
6	940	wscript.exe
7	940	wscript.exe
11	940	wscript.exe
15	940	wscript.exe
18	940	wscript.exe
23	940	wscript.exe
25	940	wscript.exe
29	940	wscript.exe
33	940	wscript.exe
38	940	wscript.exe
42	940	wscript.exe
46	940	wscript.exe
48	940	wscript.exe
51	940	wscript.exe
55	940	wscript.exe
58	940	wscript.exe
62	940	wscript.exe

Executes dropped EXE 1 IoCs

Processes:

neworder.exe

pid process

436 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\yrnHLJzGwL.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\yrnHLJzGwL.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-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\yrnHLJzGwL.js\""	wscript.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

neworder.exehelp.exe

description	pid	process	target process
PID 436 set thread context of 1424	436	neworder.exe	Explorer.EXE
PID 564 set thread context of 1424	564	help.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.exehelp.exe

pid	process
436	neworder.exe
436	neworder.exe
564	help.exe
564	help.exe
564	help.exe
564	help.exe
564	help.exe
564	help.exe
564	help.exe
564	help.exe
564	help.exe
564	help.exe
564	help.exe
564	help.exe
564	help.exe
564	help.exe
564	help.exe
564	help.exe
564	help.exe
564	help.exe
564	help.exe
564	help.exe
564	help.exe
564	help.exe
564	help.exe
564	help.exe
564	help.exe
564	help.exe
564	help.exe
564	help.exe
564	help.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1424 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

neworder.exehelp.exe

pid process

436 neworder.exe
436 neworder.exe
436 neworder.exe
564 help.exe
564 help.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

neworder.exehelp.exe

description pid process

Token: SeDebugPrivilege 436 neworder.exe
Token: SeDebugPrivilege 564 help.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1424 Explorer.EXE
1424 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1424 Explorer.EXE
1424 Explorer.EXE

pid	process
1424	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	436	neworder.exe
Token: SeDebugPrivilege	564	help.exe

pid	process
1424	Explorer.EXE
1424	Explorer.EXE

pid	process
1424	Explorer.EXE
1424	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

wscript.exeExplorer.EXEhelp.exe

description	pid	process	target process
PID 960 wrote to memory of 940	960	wscript.exe	wscript.exe
PID 960 wrote to memory of 940	960	wscript.exe	wscript.exe
PID 960 wrote to memory of 940	960	wscript.exe	wscript.exe
PID 960 wrote to memory of 436	960	wscript.exe	neworder.exe
PID 960 wrote to memory of 436	960	wscript.exe	neworder.exe
PID 960 wrote to memory of 436	960	wscript.exe	neworder.exe
PID 960 wrote to memory of 436	960	wscript.exe	neworder.exe
PID 1424 wrote to memory of 564	1424	Explorer.EXE	help.exe
PID 1424 wrote to memory of 564	1424	Explorer.EXE	help.exe
PID 1424 wrote to memory of 564	1424	Explorer.EXE	help.exe
PID 1424 wrote to memory of 564	1424	Explorer.EXE	help.exe
PID 564 wrote to memory of 952	564	help.exe	cmd.exe
PID 564 wrote to memory of 952	564	help.exe	cmd.exe
PID 564 wrote to memory of 952	564	help.exe	cmd.exe
PID 564 wrote to memory of 952	564	help.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:1424

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\KBH-209294917.js
2⤵
- Suspicious use of WriteProcessMemory
PID:960

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\yrnHLJzGwL.js"
3⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:940

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:436

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:1580

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1952

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1904

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1624

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1916

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1632

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1488

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1004

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1636

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1612

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1832

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1716

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1896

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1736

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:612

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1720

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1188

C:\Windows\SysWOW64\help.exe
"C:\Windows\SysWOW64\help.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:564

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\neworder.exe"
3⤵
PID:952

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\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\yrnHLJzGwL.js
MD5
73d1bafce675155e28f529949a5a3e7e

SHA1
04a65ae70f58ccc50e17f5bc4551ec3c2db3ac5c

SHA256
b6eaabbf65369350c121fc99ac123a62a24ffb0d10dd88cc4dda3eebb32444c1

SHA512
4a9c5f9d09cdcbb31dd166478cfa03bf37894e11dbdbccb51730dfc975ddd5a3d9186df3bace89f56c479d67695f4844f538455f30590708e3f83ec077f05a35

Download Submit
memory/436-57-0x0000000000000000-mapping.dmp

Download
memory/436-59-0x00000000008A0000-0x0000000000BA3000-memory.dmp

Filesize
3.0MB

Download
memory/436-60-0x0000000000140000-0x0000000000151000-memory.dmp

Filesize
68KB

Download
memory/564-64-0x0000000000950000-0x0000000000C53000-memory.dmp

Filesize
3.0MB

Download
memory/564-62-0x0000000000000000-mapping.dmp

Download
memory/564-63-0x0000000000D10000-0x0000000000D16000-memory.dmp

Filesize
24KB

Download
memory/564-65-0x00000000000C0000-0x00000000000E9000-memory.dmp

Filesize
164KB

Download
memory/564-68-0x0000000000350000-0x00000000003E0000-memory.dmp

Filesize
576KB

Download
memory/940-55-0x0000000000000000-mapping.dmp

Download
memory/952-67-0x0000000000000000-mapping.dmp

Download
memory/1424-61-0x0000000006480000-0x000000000654A000-memory.dmp

Filesize
808KB

Download
memory/1424-69-0x0000000007220000-0x0000000007303000-memory.dmp

Filesize
908KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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