b41cc5bbc8e836c57260ebcf3d61e2790ec4b6d2fd10c367d94751d4c36cb8cc

Analysis

max time kernel
149s
max time network
146s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
23/05/2026, 02:18

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General

Target
tmprb3k8u4s.js
Size 13.7MB
Sample260523-crlezsdw3x
SHA256 b41cc5bbc8e836c57260ebcf3d61e2790ec4b6d2fd10c367d94751d4c36cb8cc
MD5 92e6cb8641e076331bd36d69dd7a8533
SHA1 132ce2dfb397e170b89a987399ba1589d0ffe9e6
SHA512 60a10c7f04691240081056dac1e8052450e7c85638f4ed9b53021f778c14a13dfbf7730924e9e4500f68a7800e26540cbe9046c21c9b1c052e039c19eeb38fc9
SSDEEP 49152:YYRxr8uC0NjaCXoK5gYRxr8uC0NjaCXoK5f:m9g
TLSH
T1EDE6E15CD6B48CA309CA607259BE1902F57481DB8D183C2A7F9C097C8F9D92D16FE39E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

execution persistence

Malware Config

Signatures

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
440	powershell.exe
440	powershell.exe
440	powershell.exe
440	powershell.exe
440	powershell.exe
440	powershell.exe
440	powershell.exe
440	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	440	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 992 wrote to memory of 936	992	wscript.EXE	91
PID 936 wrote to memory of 440	936	cscript.exe	97

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\tmprb3k8u4s.js
1⤵
PID:3856

C:\Windows\system32\wscript.exe
wscript
1⤵
PID:4512

C:\Windows\system32\wscript.EXE
C:\Windows\system32\wscript.EXE OUTSOU~1.JS
1⤵
- Suspicious use of WriteProcessMemory
PID:992
- C:\Windows\System32\cscript.exe
  "C:\Windows\System32\cscript.exe" "OUTSOU~1.JS"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:936
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:440

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

__PSScriptPolicyTest_wsuafoao.wha.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wsuafoao.wha.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

OUTSOU~1.JS

Path C:\Users\Admin\AppData\Roaming\MergeWait\OUTSOU~1.JS
Size 41.1MB
SHA256 69a63855902f9387a5174b45528e1c456b8007392e7f514197d32fa5ddd299de
MD5 58b4a319ee39b25ce9eb5e5e8169c555
SHA1 b8a5e1ca4960ec47c8dd2cbba51652c456b86e9f
SHA512 2386d9611ca7676f29defd2a2ec4c7ac28efcecf9319155c1aacfd8cfce6084f4a16ee86fd36af185ad8b7f0ab7b0d41315cc8a49738bd6aed750cd2e0a96f8d
SSDEEP 12288:uQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQl:y
TLSH
T142975AE6A5FFD13144EF712093215EBA8B25CAC891C55315ABB1EB053CE8E1C4B378A6
MD5 SHA1 SHA512 SSDEEP TLSH