vjw0rm | b71e66c2f3dd88356df6c1bb0cab806156e91bed324c376b45cae58ce051ceff

General

Target

Order 2021-600918.js
Size

311KB
MD5

f875ce20d9473d5dd74d2e0382fb32ba
SHA1

a9b75554d7cb9eae3f06c2b9f3b7cf60617b32d8
SHA256

b71e66c2f3dd88356df6c1bb0cab806156e91bed324c376b45cae58ce051ceff
SHA512

1eccb095f0bd41fb28879a726d8257b3a30cc487efa33fe24f2be2899596ee99bc54179d7003493aec50e55f6e6beac77616a9a8d9c3d80e4cb4a0244c33c4fe

Score

10^/10

vjw0rm xloader wqos loader persistence rat suricata trojan worm

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

wqos

C2

http://www.shdbwl188.com/wqos/

Decoy

nobis.one

firecrestfineart.com

zhongqiaolw.com

healthcaremovement.com

amothersloveliberates.com

maskscafe.com

dkukkmk.icu

realmindofmitch.com

cranes-crossing.com

deeplyrootedplants.com

doodlesbakery.com

xiaomagu.com

lactase-enzym.com

comprartecnologia.com

making-my-new-normal.com

ruksamin.com

inforko.com

2mblueprint.com

pinkfang.com

100daysofbush.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\bin.exe	xloader
C:\Users\Admin\AppData\Local\Temp\bin.exe	xloader
behavioral2/memory/2264-124-0x0000000000140000-0x0000000000168000-memory.dmp	xloader

Blocklisted process makes network request 18 IoCs

Processes:

wscript.exe

flow	pid	process
8	3152	wscript.exe
15	3152	wscript.exe
17	3152	wscript.exe
19	3152	wscript.exe
22	3152	wscript.exe
26	3152	wscript.exe
29	3152	wscript.exe
34	3152	wscript.exe
37	3152	wscript.exe
42	3152	wscript.exe
45	3152	wscript.exe
46	3152	wscript.exe
47	3152	wscript.exe
51	3152	wscript.exe
54	3152	wscript.exe
58	3152	wscript.exe
60	3152	wscript.exe
62	3152	wscript.exe

Executes dropped EXE 1 IoCs

Processes:

bin.exe

pid process

3696 bin.exe

Drops startup file 2 IoCs

Processes:

wscript.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\zIMOUAQYhg.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\zIMOUAQYhg.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-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\zIMOUAQYhg.js\""	wscript.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

bin.exeexplorer.exe

description	pid	process	target process
PID 3696 set thread context of 3024	3696	bin.exe	Explorer.EXE
PID 2264 set thread context of 3024	2264	explorer.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 62 IoCs

Processes:

bin.exeexplorer.exe

pid	process
3696	bin.exe
3696	bin.exe
3696	bin.exe
3696	bin.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe
2264	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3024 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

bin.exeexplorer.exe

pid process

3696 bin.exe
3696 bin.exe
3696 bin.exe
2264 explorer.exe
2264 explorer.exe

pid	process
3024	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

bin.exeExplorer.EXEexplorer.exe

description	pid	process
Token: SeDebugPrivilege	3696	bin.exe
Token: SeShutdownPrivilege	3024	Explorer.EXE
Token: SeCreatePagefilePrivilege	3024	Explorer.EXE
Token: SeShutdownPrivilege	3024	Explorer.EXE
Token: SeCreatePagefilePrivilege	3024	Explorer.EXE
Token: SeDebugPrivilege	2264	explorer.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3024 Explorer.EXE

pid	process
3024	Explorer.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

wscript.exeExplorer.EXE

description	pid	process	target process
PID 664 wrote to memory of 3152	664	wscript.exe	wscript.exe
PID 664 wrote to memory of 3152	664	wscript.exe	wscript.exe
PID 664 wrote to memory of 3696	664	wscript.exe	bin.exe
PID 664 wrote to memory of 3696	664	wscript.exe	bin.exe
PID 664 wrote to memory of 3696	664	wscript.exe	bin.exe
PID 3024 wrote to memory of 2264	3024	Explorer.EXE	explorer.exe
PID 3024 wrote to memory of 2264	3024	Explorer.EXE	explorer.exe
PID 3024 wrote to memory of 2264	3024	Explorer.EXE	explorer.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3024

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\Order 2021-600918.js"
2⤵
- Suspicious use of WriteProcessMemory
PID:664

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\zIMOUAQYhg.js"
3⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:3152

C:\Users\Admin\AppData\Local\Temp\bin.exe
"C:\Users\Admin\AppData\Local\Temp\bin.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3696

C:\Windows\SysWOW64\explorer.exe
"C:\Windows\SysWOW64\explorer.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2264

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

MD5
63f3a93c472be113725e951e40696642

SHA1
15477f7333a4ad56227bc61049c5eb5451ac73c7

SHA256
92e653a855a5495cc862ed79ee39aa6620b9b0b08948e89f866b07debba1b2f8

SHA512
c155c01b90f80ab7125138e79a03a07b3699a00d1953653a00ac2f29d06d496bc9633119f3885f36f615313630cd1283822b12f38d7446a698b430584e238549

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

MD5
63f3a93c472be113725e951e40696642

SHA1
15477f7333a4ad56227bc61049c5eb5451ac73c7

SHA256
92e653a855a5495cc862ed79ee39aa6620b9b0b08948e89f866b07debba1b2f8

SHA512
c155c01b90f80ab7125138e79a03a07b3699a00d1953653a00ac2f29d06d496bc9633119f3885f36f615313630cd1283822b12f38d7446a698b430584e238549

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

MD5
797f97b46b0f42d7a26810b7b2e04cc9

SHA1
141b0a609e3fe9e4695ad0dfd905be24414287ab

SHA256
2a15292e70c7b6edbfb44ae1347debf9ab31bb3296b7cd3619fda0f9abf0d89d

SHA512
c5173a980edc2230d9673e2c5729b6829c4130e80a14eb7efd7f0e41bc5a3f01b559fb67b5be191e0a309f0b04abf2c52b632e873307471569a07f995774a27d

Download Submit
memory/2264-123-0x00000000001C0000-0x00000000005FF000-memory.dmp

Filesize
4.2MB

Download
memory/2264-122-0x0000000000000000-mapping.dmp

Download
memory/2264-124-0x0000000000140000-0x0000000000168000-memory.dmp

Filesize
160KB

Download
memory/2264-125-0x0000000004800000-0x0000000004B20000-memory.dmp

Filesize
3.1MB

Download
memory/2264-126-0x0000000004520000-0x00000000045AF000-memory.dmp

Filesize
572KB

Download
memory/3024-121-0x0000000005E30000-0x0000000005F49000-memory.dmp

Filesize
1.1MB

Download
memory/3024-127-0x00000000065E0000-0x0000000006702000-memory.dmp

Filesize
1.1MB

Download
memory/3152-114-0x0000000000000000-mapping.dmp

Download
memory/3696-116-0x0000000000000000-mapping.dmp

Download
memory/3696-119-0x0000000001140000-0x0000000001460000-memory.dmp

Filesize
3.1MB

Download
memory/3696-120-0x0000000000CC0000-0x0000000000CD0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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