vjw0rm | 04c4a1d6a4100879806b4bc04e0d8a33e830a2e4b6f12194b36fffc19c6125d0

General

Target

Quote.js
Size

333KB
MD5

4dc50abe34a0f0a9fbb86513fe92b109
SHA1

51a7376ed9e6af9094bdf8a9f862f1a16a5d5485
SHA256

10b0a88ef7baab52a471dce45a090a692a9ff07b5d34c307d7c2d7192dfc42fc
SHA512

e0bd6b22f2cdfcb3fa52aecf9372bb3cbe877b9ac804a121bff1fcd0f0639f26679fbfb0e7664665224b0a7ea9bcce9d43c55467763135870d2898f86c98108a

Score

10^/10

vjw0rm xloader loader persistence rat suricata trojan worm

Malware Config

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 4 IoCs

rat

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\bin.exe	xloader
C:\Users\Admin\AppData\Local\Temp\bin.exe	xloader
behavioral1/memory/388-68-0x0000000000080000-0x00000000000AD000-memory.dmp	xloader
behavioral1/memory/388-71-0x0000000000080000-0x00000000000AD000-memory.dmp	xloader

Blocklisted process makes network request 16 IoCs

Processes:

wscript.exe

flow	pid	process
4	2040	wscript.exe
5	2040	wscript.exe
8	2040	wscript.exe
11	2040	wscript.exe
15	2040	wscript.exe
16	2040	wscript.exe
21	2040	wscript.exe
24	2040	wscript.exe
27	2040	wscript.exe
34	2040	wscript.exe
37	2040	wscript.exe
40	2040	wscript.exe
44	2040	wscript.exe
48	2040	wscript.exe
51	2040	wscript.exe
53	2040	wscript.exe

Executes dropped EXE 1 IoCs

Processes:

bin.exe

pid process

1288 bin.exe
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

bin.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Control Panel\International\Geo\Nation bin.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Control Panel\International\Geo\Nation	bin.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\AhNMQqjCeN.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AhNMQqjCeN.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-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\YVBPFHTJIQ = "\"C:\\Users\\Admin\\AppData\\Roaming\\AhNMQqjCeN.js\""	wscript.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

bin.exenetsh.exe

description	pid	process	target process
PID 1288 set thread context of 1220	1288	bin.exe	Explorer.EXE
PID 388 set thread context of 1220	388	netsh.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 27 IoCs

Processes:

bin.exenetsh.exe

pid	process
1288	bin.exe
1288	bin.exe
388	netsh.exe
388	netsh.exe
388	netsh.exe
388	netsh.exe
388	netsh.exe
388	netsh.exe
388	netsh.exe
388	netsh.exe
388	netsh.exe
388	netsh.exe
388	netsh.exe
388	netsh.exe
388	netsh.exe
388	netsh.exe
388	netsh.exe
388	netsh.exe
388	netsh.exe
388	netsh.exe
388	netsh.exe
388	netsh.exe
388	netsh.exe
388	netsh.exe
388	netsh.exe
388	netsh.exe
388	netsh.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

bin.exenetsh.exe

pid process

1288 bin.exe
1288 bin.exe
1288 bin.exe
388 netsh.exe
388 netsh.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

bin.exenetsh.exe

description pid process

Token: SeDebugPrivilege 1288 bin.exe
Token: SeDebugPrivilege 388 netsh.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
1220 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
1220 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1288	bin.exe
Token: SeDebugPrivilege	388	netsh.exe

pid	process
1220	Explorer.EXE
1220	Explorer.EXE

pid	process
1220	Explorer.EXE
1220	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

wscript.exeExplorer.EXEnetsh.exe

description	pid	process	target process
PID 1664 wrote to memory of 2040	1664	wscript.exe	wscript.exe
PID 1664 wrote to memory of 2040	1664	wscript.exe	wscript.exe
PID 1664 wrote to memory of 2040	1664	wscript.exe	wscript.exe
PID 1664 wrote to memory of 1288	1664	wscript.exe	bin.exe
PID 1664 wrote to memory of 1288	1664	wscript.exe	bin.exe
PID 1664 wrote to memory of 1288	1664	wscript.exe	bin.exe
PID 1664 wrote to memory of 1288	1664	wscript.exe	bin.exe
PID 1220 wrote to memory of 388	1220	Explorer.EXE	netsh.exe
PID 1220 wrote to memory of 388	1220	Explorer.EXE	netsh.exe
PID 1220 wrote to memory of 388	1220	Explorer.EXE	netsh.exe
PID 1220 wrote to memory of 388	1220	Explorer.EXE	netsh.exe
PID 388 wrote to memory of 1252	388	netsh.exe	cmd.exe
PID 388 wrote to memory of 1252	388	netsh.exe	cmd.exe
PID 388 wrote to memory of 1252	388	netsh.exe	cmd.exe
PID 388 wrote to memory of 1252	388	netsh.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1220
- C:\Windows\system32\wscript.exe
  wscript.exe C:\Users\Admin\AppData\Local\Temp\Quote.js
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1664
- - C:\Windows\System32\wscript.exe
    "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\AhNMQqjCeN.js"
    3⤵
    - Blocklisted process makes network request
    - Drops startup file
    - Adds Run key to start application
    PID:2040
- - C:\Users\Admin\AppData\Local\Temp\bin.exe
    "C:\Users\Admin\AppData\Local\Temp\bin.exe"
    3⤵
    - Executes dropped EXE
    - Checks computer location settings
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1288
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\SysWOW64\netsh.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:388
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\bin.exe"
    3⤵
    PID:1252

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
177KB

MD5
325e9bc40c665d845e9edd875631ec48

SHA1
6f325ce61e9d8916cced15919cbd84fce584e14f

SHA256
c3b9bd6a3c03e763f6255c275cbb3a068de6feef7417d18b7a3e92c6b28753e5

SHA512
02760fc7cd93075f8fdb35e0a87dfee062c718fe03a28408da6a03d37eb6e39a3388c0c01611cee8d28422b930346c92f4242538a29daa8ad0a3b5cdf8d69dc4

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

Filesize
177KB

MD5
325e9bc40c665d845e9edd875631ec48

SHA1
6f325ce61e9d8916cced15919cbd84fce584e14f

SHA256
c3b9bd6a3c03e763f6255c275cbb3a068de6feef7417d18b7a3e92c6b28753e5

SHA512
02760fc7cd93075f8fdb35e0a87dfee062c718fe03a28408da6a03d37eb6e39a3388c0c01611cee8d28422b930346c92f4242538a29daa8ad0a3b5cdf8d69dc4

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

Filesize
5KB

MD5
a0d0f3ec1163b1c0dda14abbdb585a28

SHA1
2a431d664342512e76e699ba42b59dadecb130ec

SHA256
7656bd33be568b430c4e8ebeb7b4f2d9024cd7a6156299c9e02490b6a6d3c066

SHA512
6df41aa43e90e4d8f45769d56e0f86da1fa746b552d2482ca5617f82376a410836000778616d47e4f262c1d5b81a2dd23ab71d6f01ae2db61dd10a051581fceb

Download Submit
memory/388-63-0x0000000000000000-mapping.dmp

Download
memory/388-66-0x0000000000BE0000-0x0000000000BFB000-memory.dmp

Filesize
108KB

Download
memory/388-73-0x00000000761F1000-0x00000000761F3000-memory.dmp

Filesize
8KB

Download
memory/388-71-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/388-69-0x0000000000600000-0x0000000000690000-memory.dmp

Filesize
576KB

Download
memory/388-68-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/388-67-0x0000000002000000-0x0000000002303000-memory.dmp

Filesize
3.0MB

Download
memory/1220-62-0x00000000042F0000-0x00000000043D6000-memory.dmp

Filesize
920KB

Download
memory/1220-70-0x0000000002E70000-0x0000000002F09000-memory.dmp

Filesize
612KB

Download
memory/1220-72-0x0000000002E70000-0x0000000002F09000-memory.dmp

Filesize
612KB

Download
memory/1252-65-0x0000000000000000-mapping.dmp

Download
memory/1288-57-0x0000000000000000-mapping.dmp

Download
memory/1288-61-0x0000000000190000-0x00000000001A1000-memory.dmp

Filesize
68KB

Download
memory/1288-60-0x0000000000760000-0x0000000000A63000-memory.dmp

Filesize
3.0MB

Download
memory/1664-54-0x000007FEFC1F1000-0x000007FEFC1F3000-memory.dmp

Filesize
8KB

Download
memory/2040-55-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads