be73a8b0548f93351984b116d42f6559311fdb6e757dcd174958d8b0028ac1fb

Analysis

max time kernel
11s
max time network
12s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
01-02-2022 04:10

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General

Target

be73a8b0548f93351984b116d42f6559311fdb6e757dcd174958d8b0028ac1fb.vbs
Size

1.0MB
MD5

7e8c741445cde9246b96c96a9cb89cd1
SHA1

93409daece5165c0916e4e45d4c62292f57b34db
SHA256

be73a8b0548f93351984b116d42f6559311fdb6e757dcd174958d8b0028ac1fb
SHA512

6d27fefa6c01fc07cd5d7ea2d69f9a061ac6438327dec2b1474316c0601ed3f7baeeb37b1fcfac0128274bec9d50f27e5006364006f419927de499cd159a411a

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.

Processes:

rundll32.exe

description pid pid_target process target process

Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4864 2320 rundll32.exe
Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

4300 rundll32.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 FindShellTrayWindow 1 IoCs

Processes:

WScript.exe

pid process

4056 WScript.exe

description	pid	pid_target	process	target process
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4864	2320	rundll32.exe

pid	process
4300	rundll32.exe

pid	process
4056	WScript.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4864 wrote to memory of 4300	4864	rundll32.exe	rundll32.exe
PID 4864 wrote to memory of 4300	4864	rundll32.exe	rundll32.exe
PID 4864 wrote to memory of 4300	4864	rundll32.exe	rundll32.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\be73a8b0548f93351984b116d42f6559311fdb6e757dcd174958d8b0028ac1fb.vbs"
1⤵
- Suspicious use of FindShellTrayWindow
PID:4056

C:\Windows\system32\rundll32.exe
rundll32 C:\Users\Admin\AppData\Local\Temp\VrSiekwRtfHPpfg.exe,DllRegisterServer
1⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:4864

C:\Windows\SysWOW64\rundll32.exe
rundll32 C:\Users\Admin\AppData\Local\Temp\VrSiekwRtfHPpfg.exe,DllRegisterServer
2⤵
- Loads dropped DLL
PID:4300

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\VrSiekwRtfHPpfg.exe
MD5
24f98dee17042e0bd3f723f7bbfa839f

SHA1
10123cbacb225b078c8e0a847da9e020bc0119e1

SHA256
8542bf1c3c7532f11fc39b4b6a20a08ef5bd0c8d42e3262028d4ffdbc5aa88f8

SHA512
0db0794e2547015695e40db1d419c944f1d955aa3f3ae3b673900f995b9a45126097f4a6a6029dbe7bfb87ed694bc024f720b05172332b1f41a8600a8bfd3b6f

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C:\Users\Admin\AppData\Local\Temp\VrSiekwRtfHPpfg.exe
MD5
f3eda7e9a937677a8c56a1f3c52fc817

SHA1
93de3e0ed5f1479071a900b0ee4719df7a60ded4

SHA256
4807c24d60a84b5b9dc39aa275d6512814b78a66b157a6214306dbc9fc3cff49

SHA512
1dd2270a56ce64f12a77c916698b9cbe3e49ac64f7377ee66ea7c3e07c9269c1e481ef11eb6ab1178372230d40256d8c3a72aae83f298c1b3d8a81340aa28810

Download Submit