vjw0rm | 7ef5dc83e3a2f53a078a034d6edb8b07684efe844af306b60e65509d61a01b46

Analysis

max time kernel
146s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
11-10-2023 12:23

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General

Target

Purchaseorder.js
Size

3.1MB
MD5

cd12101e3da7cfc1e15be51324d97f26
SHA1

3ef05de60568b30104e18a72b783c8e21fb83c01
SHA256

7ef5dc83e3a2f53a078a034d6edb8b07684efe844af306b60e65509d61a01b46
SHA512

fb26613b48898ebaa72f6e2188b7bda90aedd7e1d6ee6190d7fb6c53cbfd504910160ee3b902bbb3c3cb470ef710409f4bb6d742e2085cc154788b535c6b1ae1
SSDEEP

768:qQKDwkB5j+Dd3MLyi/vdvK8cuUzwJBO0enr8uYUlN8b6iLBJbr59RlwDh:x8wkDaDd3gyiVAz10+ouFkPr52d

Score

10^/10

vjw0rm persistence trojan worm

Malware Config

Signatures

Vjw0rm
Vjw0rm is a remote access trojan written in JavaScript.
trojan worm vjw0rm

Blocklisted process makes network request 51 IoCs

flow	pid	Process
9	4132	wscript.exe
19	1516	wscript.exe
20	4136	wscript.exe
28	4132	wscript.exe
29	1516	wscript.exe
36	4136	wscript.exe
37	1516	wscript.exe
38	4132	wscript.exe
39	4136	wscript.exe
40	1516	wscript.exe
54	4132	wscript.exe
55	4136	wscript.exe
56	1516	wscript.exe
57	4132	wscript.exe
67	4136	wscript.exe
68	1516	wscript.exe
69	4132	wscript.exe
70	1516	wscript.exe
71	4136	wscript.exe
72	4132	wscript.exe
73	1516	wscript.exe
75	4136	wscript.exe
76	1516	wscript.exe
78	4132	wscript.exe
79	4136	wscript.exe
83	1516	wscript.exe
84	4132	wscript.exe
85	4136	wscript.exe
86	1516	wscript.exe
87	4132	wscript.exe
88	4136	wscript.exe
89	1516	wscript.exe
91	4132	wscript.exe
92	1516	wscript.exe
93	4136	wscript.exe
94	1516	wscript.exe
95	4132	wscript.exe
96	4136	wscript.exe
97	1516	wscript.exe
98	4132	wscript.exe
99	4136	wscript.exe
100	1516	wscript.exe
101	4132	wscript.exe
102	4136	wscript.exe
106	1516	wscript.exe
108	4132	wscript.exe
109	1516	wscript.exe
110	4136	wscript.exe
111	4132	wscript.exe
112	1516	wscript.exe
113	4136	wscript.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Control Panel\International\Geo\Nation	wscript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Control Panel\International\Geo\Nation	wscript.exe

Drops startup file 5 IoCs

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

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Purchaseorder = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Purchaseorder.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Purchaseorder = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Purchaseorder.js\""	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Purchaseorder = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Purchaseorder.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Purchaseorder = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Purchaseorder.js\""	wscript.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 4132	2400	wscript.exe	82
PID 2400 wrote to memory of 4132	2400	wscript.exe	82
PID 2400 wrote to memory of 1516	2400	wscript.exe	83
PID 2400 wrote to memory of 1516	2400	wscript.exe	83
PID 1516 wrote to memory of 4136	1516	wscript.exe	87
PID 1516 wrote to memory of 4136	1516	wscript.exe	87

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\Purchaseorder.js
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\AkrDdIbORR.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  PID:4132
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\Purchaseorder.js"
  2⤵
  - Blocklisted process makes network request
  - Checks computer location settings
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1516
- - C:\Windows\System32\wscript.exe
    "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\AkrDdIbORR.js"
    3⤵
    - Blocklisted process makes network request
    - Drops startup file
    PID:4136

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\AkrDdIbORR.js

Filesize
1.1MB

MD5
397495356e508277e1aa6e2f24cf43b4

SHA1
eac5ebb135efcf24988cfdf0c42e031630b701a4

SHA256
51e48daa54231a3f5b056882c66fad891cb81d2603a0845e0b44668d4533a3c3

SHA512
953f63373cc8d0c7122def46fa9a97124123b6cac95bcfdf2d783b2be91139a43c51f1936d1197de26b461768bc94fa69911851ff012a8d0f7a5d637b6461fa4

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

Filesize
1.1MB

MD5
397495356e508277e1aa6e2f24cf43b4

SHA1
eac5ebb135efcf24988cfdf0c42e031630b701a4

SHA256
51e48daa54231a3f5b056882c66fad891cb81d2603a0845e0b44668d4533a3c3

SHA512
953f63373cc8d0c7122def46fa9a97124123b6cac95bcfdf2d783b2be91139a43c51f1936d1197de26b461768bc94fa69911851ff012a8d0f7a5d637b6461fa4

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Purchaseorder.js

Filesize
3.1MB

MD5
cd12101e3da7cfc1e15be51324d97f26

SHA1
3ef05de60568b30104e18a72b783c8e21fb83c01

SHA256
7ef5dc83e3a2f53a078a034d6edb8b07684efe844af306b60e65509d61a01b46

SHA512
fb26613b48898ebaa72f6e2188b7bda90aedd7e1d6ee6190d7fb6c53cbfd504910160ee3b902bbb3c3cb470ef710409f4bb6d742e2085cc154788b535c6b1ae1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Purchaseorder.js

Filesize
3.1MB

MD5
cd12101e3da7cfc1e15be51324d97f26

SHA1
3ef05de60568b30104e18a72b783c8e21fb83c01

SHA256
7ef5dc83e3a2f53a078a034d6edb8b07684efe844af306b60e65509d61a01b46

SHA512
fb26613b48898ebaa72f6e2188b7bda90aedd7e1d6ee6190d7fb6c53cbfd504910160ee3b902bbb3c3cb470ef710409f4bb6d742e2085cc154788b535c6b1ae1

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

Filesize
3.1MB

MD5
cd12101e3da7cfc1e15be51324d97f26

SHA1
3ef05de60568b30104e18a72b783c8e21fb83c01

SHA256
7ef5dc83e3a2f53a078a034d6edb8b07684efe844af306b60e65509d61a01b46

SHA512
fb26613b48898ebaa72f6e2188b7bda90aedd7e1d6ee6190d7fb6c53cbfd504910160ee3b902bbb3c3cb470ef710409f4bb6d742e2085cc154788b535c6b1ae1

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads