vjw0rm | c17a47ba600580e0d2229b4c8e12e6063a2c20792fcf0ff256fb85040a6d0799

General

Target

AWB_20220614.js
Size

491KB
MD5

6610d7103150befc1c105bc1761f8400
SHA1

6cc6d390e077a43752b3aa329bd4c1c1ae6e6325
SHA256

c17a47ba600580e0d2229b4c8e12e6063a2c20792fcf0ff256fb85040a6d0799
SHA512

ebd3906b2a1bfda395133326877a1cf1d0a4a1f7483de751d96e621f266e3b50aaadc6a8a6d51c7cec7c7e019e2299500d29b18e2d4f7e875317c79f275187e2

Score

10^/10

vjw0rm warzonerat infostealer persistence rat trojan worm

Malware Config

Signatures

Vjw0rm
Vjw0rm is a remote access trojan written in JavaScript.
trojan worm vjw0rm
WarzoneRat, AveMaria
WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.
rat infostealer warzonerat

Warzone RAT Payload 2 IoCs

rat

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Tempwinlogon.exe	warzonerat
C:\Users\Admin\AppData\Local\Tempwinlogon.exe	warzonerat

Blocklisted process makes network request 12 IoCs

Processes:

wscript.exe

flow	pid	process
26	4440	wscript.exe
33	4440	wscript.exe
39	4440	wscript.exe
41	4440	wscript.exe
45	4440	wscript.exe
49	4440	wscript.exe
63	4440	wscript.exe
78	4440	wscript.exe
79	4440	wscript.exe
84	4440	wscript.exe
85	4440	wscript.exe
88	4440	wscript.exe

Executes dropped EXE 1 IoCs

Processes:

Tempwinlogon.exe

pid process

4528 Tempwinlogon.exe

pid	process
4528	Tempwinlogon.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

Processes:

wscript.exewscript.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	wscript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	wscript.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\pSsVMrdaGj.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\pSsVMrdaGj.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-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YVBPFHTJIQ = "\"C:\\Users\\Admin\\AppData\\Roaming\\pSsVMrdaGj.js\""	wscript.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

wscript.exewscript.exe

description	pid	process	target process
PID 3472 wrote to memory of 4440	3472	wscript.exe	wscript.exe
PID 3472 wrote to memory of 4440	3472	wscript.exe	wscript.exe
PID 3472 wrote to memory of 4612	3472	wscript.exe	wscript.exe
PID 3472 wrote to memory of 4612	3472	wscript.exe	wscript.exe
PID 4612 wrote to memory of 4528	4612	wscript.exe	Tempwinlogon.exe
PID 4612 wrote to memory of 4528	4612	wscript.exe	Tempwinlogon.exe
PID 4612 wrote to memory of 4528	4612	wscript.exe	Tempwinlogon.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\AWB_20220614.js
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3472

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\pSsVMrdaGj.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:4440

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" "C:\Users\Admin\AppData\Local\Temp\coco.vbs"
2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4612

C:\Users\Admin\AppData\Local\Tempwinlogon.exe
"C:\Users\Admin\AppData\Local\Tempwinlogon.exe"
3⤵
- Executes dropped EXE
PID:4528

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\coco.vbs
Filesize
262KB

MD5
c88b4225d112a00ca24064e0ef0eab73

SHA1
3e3fdaee20e6ab757e013f0ebfd4f2a0dbb267db

SHA256
0a35cdc2af8e2f4b971dc4482d9c3bca3c0de4295406dccd7c6743895769a504

SHA512
937617ac5ddd7d8bd971645c81b5667be178d5bb9700152072a9184dddff952327b36e329b1c257da1dc38f1e7c781ea501a14d8a5f0fe2b41a19656732a09ba

Download Submit
C:\Users\Admin\AppData\Local\Tempwinlogon.exe
Filesize
131KB

MD5
d094904acee9a06b8cc82def7ae31dbd

SHA1
855bc1ffd23a61fbbe9775de464c43bc532d2e69

SHA256
195657d28badaba67b1a0e0a9b32da62179454f2fad141f490c2b6808d326229

SHA512
a4b91d26f5db1e5859874f5f1c3f6f39c7cd5535b8a16b321072fb7f539af79cc1b31799ee679401e16fd8b9c0598c5890d389af609e19bf1fc04d624e06220e

Download Submit
C:\Users\Admin\AppData\Local\Tempwinlogon.exe
Filesize
131KB

MD5
d094904acee9a06b8cc82def7ae31dbd

SHA1
855bc1ffd23a61fbbe9775de464c43bc532d2e69

SHA256
195657d28badaba67b1a0e0a9b32da62179454f2fad141f490c2b6808d326229

SHA512
a4b91d26f5db1e5859874f5f1c3f6f39c7cd5535b8a16b321072fb7f539af79cc1b31799ee679401e16fd8b9c0598c5890d389af609e19bf1fc04d624e06220e

Download Submit
C:\Users\Admin\AppData\Roaming\pSsVMrdaGj.js
Filesize
10KB

MD5
36f35fb182d85f31f763a6fc1f7212f2

SHA1
515eb9846af5e43e1e51ce0f98e999d72923d3f5

SHA256
d0b9ea5f0d9e701886c94631e5027b62499e0a879ec308e7e4a6804be3a33ccd

SHA512
79d945ebd19a08c6ec8e864565f919e518689d4ea95391eb05bdd1c8207b0fbb6ca2758ce9d130cff849d6beb6cf2347d265b27f6cc4786d4e69952f9029f518

Download Submit
memory/4440-130-0x0000000000000000-mapping.dmp

Download
memory/4528-134-0x0000000000000000-mapping.dmp

Download
memory/4612-131-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads