vjw0rm | 7ef5dc83e3a2f53a078a034d6edb8b07684efe844af306b60e65509d61a01b46

Analysis

max time kernel
149s
max time network
156s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
11/10/2023, 12:24

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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 59 IoCs

flow	pid	Process
4	2936	wscript.exe
7	2332	wscript.exe
10	2956	wscript.exe
11	2956	wscript.exe
13	2936	wscript.exe
14	2332	wscript.exe
16	2956	wscript.exe
19	2936	wscript.exe
20	2332	wscript.exe
24	2956	wscript.exe
26	2936	wscript.exe
27	2332	wscript.exe
29	2956	wscript.exe
31	2936	wscript.exe
32	2332	wscript.exe
34	2956	wscript.exe
37	2936	wscript.exe
38	2332	wscript.exe
40	2956	wscript.exe
44	2956	wscript.exe
46	2936	wscript.exe
47	2332	wscript.exe
50	2956	wscript.exe
52	2936	wscript.exe
53	2332	wscript.exe
54	2956	wscript.exe
56	2936	wscript.exe
57	2332	wscript.exe
60	2956	wscript.exe
63	2936	wscript.exe
65	2956	wscript.exe
67	2332	wscript.exe
69	2956	wscript.exe
71	2936	wscript.exe
73	2332	wscript.exe
75	2956	wscript.exe
76	2936	wscript.exe
78	2332	wscript.exe
81	2956	wscript.exe
84	2936	wscript.exe
85	2332	wscript.exe
87	2956	wscript.exe
89	2936	wscript.exe
90	2956	wscript.exe
93	2332	wscript.exe
95	2956	wscript.exe
97	2936	wscript.exe
98	2332	wscript.exe
102	2956	wscript.exe
104	2936	wscript.exe
105	2332	wscript.exe
107	2956	wscript.exe
109	2936	wscript.exe
111	2956	wscript.exe
113	2332	wscript.exe
115	2956	wscript.exe
117	2936	wscript.exe
119	2332	wscript.exe
123	2956	wscript.exe

Drops startup file 5 IoCs

description	ioc	Process
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
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

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\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-1-5-21-607259312-1573743425-2763420908-1000\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-1-5-21-607259312-1573743425-2763420908-1000\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 9 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2936	2172	wscript.exe	28
PID 2172 wrote to memory of 2936	2172	wscript.exe	28
PID 2172 wrote to memory of 2936	2172	wscript.exe	28
PID 2172 wrote to memory of 2956	2172	wscript.exe	29
PID 2172 wrote to memory of 2956	2172	wscript.exe	29
PID 2172 wrote to memory of 2956	2172	wscript.exe	29
PID 2956 wrote to memory of 2332	2956	wscript.exe	31
PID 2956 wrote to memory of 2332	2956	wscript.exe	31
PID 2956 wrote to memory of 2332	2956	wscript.exe	31

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\Purchaseorder.js
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2172
- 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:2936
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\Purchaseorder.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2956
- - 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:2332

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

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\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